Mercurial > hg > octave-max
changeset 12689:53c0ed961de8
maint: Periodic merge of stable to default.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Wed, 25 May 2011 15:52:00 -0700 |
| parents | 6d4c18565de1 (diff) 5dedac50fef9 (current diff) |
| children | c0d102ad9bba d30d5adafdb1 |
| files | test/test_parser.m |
| diffstat | 120 files changed, 1905 insertions(+), 1268 deletions(-) [+] |
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--- a/NEWS +++ b/NEWS @@ -7,7 +7,8 @@ iscolumn issrow - + zscore + ** Deprecated functions. The following functions were deprecated in Octave 3.2 and have been @@ -29,8 +30,12 @@ be removed from Octave 3.10 (or whatever version is the second major release after 3.6): + __error_text__ + error_text is_duplicate_entry - + studentize + sylvester_matrix + Summary of important user-visible changes for version 3.4: ---------------------------------------------------------
--- a/OLD-ChangeLogs/ChangeLog +++ b/OLD-ChangeLogs/ChangeLog @@ -2,6 +2,10 @@ * NEWS: Add colstyle to list of new functions for 3.4 +2011-04-08 Rik <octave@nomad.inbox5.com> + + * NEWS: Deprecate studentize(), add new function zscore(). + 2011-04-04 Rik <octave@nomad.inbox5.com> * NEWS: Add perror, strerror to list of functions deprecated in 3.4
--- a/OLD-ChangeLogs/doc-ChangeLog +++ b/OLD-ChangeLogs/doc-ChangeLog @@ -1,3 +1,7 @@ +2011-04-16 Ben Abbott <bpabbott@mac.com> + + * interpreter/plot.txi: Clarify that inheritance of default property + values only applies to the named object type. 2011-04-14 Rik <octave@nomad.inbox5.com> * interpreter/plot.txi: Add colstyle function to documentation. @@ -16,6 +20,11 @@ * interpreter/func.txi: Add discussion of isargout to Ignoring Arguments section of documentation. +2011-04-08 Rik <octave@nomad.inbox5.com> + + * interpreter/stats.txi: Deprecate studentize(), replace with + zscore(). + 2011-04-07 Rik <octave@nomad.inbox5.com> * interpreter/Makefile.am: Add spellcheck target to documentation @@ -42,7 +51,7 @@ 2011-04-04 Rik <octave@nomad.inbox5.com> - * interpreter/doccheck/aspell-octave.en.pws, interpreter/nonlin.txi, + * interpreter/doccheck/aspell-octave.en.pws, interpreter/nonlin.txi, interpreter/tips.txi: Spellcheck documentation for 3.4.1 release. 2011-04-04 Rik <octave@nomad.inbox5.com>
--- a/OLD-ChangeLogs/liboctave-ChangeLog +++ b/OLD-ChangeLogs/liboctave-ChangeLog @@ -1,3 +1,7 @@ +2011-04-12 Rik <octave@nomad.inbox5.com> + + * LSODE.cc: Add semicolon to error messages to prevent run-together text. + 2011-04-01 Jordi Gutiérrez Hermoso <jordigh@gmail.com> * MatrixType (MatrixType::operator =): Plug memory leak due to
--- a/OLD-ChangeLogs/scripts-ChangeLog +++ b/OLD-ChangeLogs/scripts-ChangeLog @@ -1,8 +1,47 @@ +2011-04-18 Paul Boven <p.boven@xs4all.nl> + + * image/image.m: Fixed naming of variables in texinfo + +2011-04-17 Patrick Häcker <magicmuscleman> + + * strings/mat2str.m: Limit the number of digits to one less than + available for double. + +2011-04-15 Kai Habel <kai.habel@gmx.de> + + * general/interp1.m, polynomial/mkpp.m, polynomial/pchip.m, + polynomial/ppder.m, polynomial/ppint.m, polynomial/ppjumps.m, + polynomial/ppval.m, polynomial/spline.m, polynomial/unmkpp.m: + Make functions more compatible with respect to handling of + picewise polynoms (pp). Rename pp-struct elements. + Handle nD-arguments correctly. Tests added. + (bugs #32040, #32045) + 2011-04-13 David Bateman <dbateman@free.fr> * plot/colstyle.m : New function. * plot/module.mk plot_FCN_FILES) : Add it here. +2011-04-13 Rik <octave@nomad.inbox5.com> + + * help/__makeinfo__.m: Simplify function by using regular expressions. + Eliminate third input argument see_also function. + +2011-04-13 Rik <octave@nomad.inbox5.com> + + * general/isdir.m, general/isequal.m, general/isequalwithequalnans.m, + general/isscalar.m, general/issquare.m, general/isvector.m: Refactor + code to put input validation first. + + * general/iscolumn.m, general/isrow.m : Remove useless initialization + of output variable. + + * general/isa.m: Add additional tests for various classes. + +2011-04-13 Rik <octave@nomad.inbox5.com> + + * ChangeLog: Remove results of bad merge in ChangeLog. + 2011-04-12 Ben Abbott <bpabbott@mac.com> * miscellaneous/getappdata.m: If no property name is provided, return @@ -20,10 +59,21 @@ 2011-04-08 Rik <octave@nomad.inbox5.com> + * deprecated/module.mk, statistics/base/center.m, + statistics/base/module.mk: Deprecate studentize(), replace with + zscore(). + +2011-04-08 Rik <octave@nomad.inbox5.com> + * linear-algebra/cond.m, linear-algebra/expm.m, linear-algebra/logm.m, linear-algebra/null.m, linear-algebra/orth.m, linear-algebra/rank.m, linear-algebra/rref.m: Improve docstrings. +2011-04-08 Rik <octave@nomad.inbox5.com> + + * statistics/base/mode.m, statistics/base/quantile.m: Return output + of same class as input. + 2011-04-06 Rik <octave@nomad.inbox5.com> * miscellaneous/pack.m: Improve docstring.
--- a/OLD-ChangeLogs/src-ChangeLog +++ b/OLD-ChangeLogs/src-ChangeLog @@ -1,10 +1,15 @@ +2011-04-19 Kai Habel <kai.habel@gmx.de> + + * src/DLD-FUNCTIONS/__init_fltk__.cc(plot_window::plot_window): + Instantiate canvas before uimenu. + 2011-04-13 Rik <octave@nomad.inbox5.com> * help.cc: Add spaces after commas in @seealso blocks. 2011-04-12 Rik <octave@nomad.inbox5.com> - * load-path.cc (restoredefaultpath): Correct use of it's -> its in + * load-path.cc (restoredefaultpath): Correct use of it's -> its in documentation. 2011-04-10 John Eaton <jwe@octave.org> @@ -90,7 +95,7 @@ * DLD-FUNCTIONS/inv.cc (inv, inverse), DLD-FUNCTIONS/tril.cc (tril), data.cc (cumsum, szie), file-io.cc (fgets), ov-typeinfo.cc (typeinfo), - ov-usr-fcn.cc (nargout), utils.cc (make_absolute_filename), + ov-usr-fcn.cc (nargout), utils.cc (make_absolute_filename), variables.cc (who): Improve docstrings 2011-03-25 John W. Eaton <jwe@octave.org>
--- a/OLD-ChangeLogs/test-ChangeLog +++ b/OLD-ChangeLogs/test-ChangeLog @@ -1,3 +1,9 @@ +2011-04-11 Rik <octave@nomad.inbox5.com> + + * fntests.m: Remove deprecated and private functions from list of + functions requiring tests. Count functions with %!demo blocks as + having tests. + 2011-04-03 Rik <octave@nomad.inbox5.com> * test_diag_perm.m: Reverse previous changeset. Return 3-input form
--- a/doc/faq/OctaveFAQ.texi +++ b/doc/faq/OctaveFAQ.texi @@ -63,7 +63,7 @@ * Getting Octave:: * Installation:: * Common problems:: -* How do I ...?:: +* Using Octave:: * @sc{Matlab} compatibility:: * Index:: @end menu @@ -780,15 +780,16 @@ @end itemize @end itemize -@node How do I ...? -@chapter How do I ...? +@node Using Octave +@chapter Using Octave @menu * How do I set the number of displayed decimals?:: +* How does Octave solve linear systems?:: @end menu @cindex Tips and tricks -@cindex How do I @dots{} ? +@cindex Using Octave @node How do I set the number of displayed decimals? @section How do I set the number of displayed decimals? @@ -804,6 +805,18 @@ @end group @end example +@node How does Octave solve linear systems? +@section How does Octave solve linear systems? + +@cindex backslash operator + +In addition to consulting Octave's source for the precise details, the +Octave manual contains a complete high-level description of the +algorithm that Octave uses to decide how to solve a particular linear +system, e.g. how the backslash operator @code{A\x} will be interpreted. +Sections ``Techniques Used for Linear Algebra'' and ``Linear Algebra on +Sparse Matrices'' from the manual describe this procedure. + @node @sc{Matlab} compatibility @chapter Porting programs from @sc{Matlab} to Octave
--- a/doc/interpreter/doccheck/mk_undocumented_list +++ b/doc/interpreter/doccheck/mk_undocumented_list @@ -82,7 +82,6 @@ comma debug dbnext -error_text exit F_DUPFD F_GETFD
--- a/doc/interpreter/expr.txi +++ b/doc/interpreter/expr.txi @@ -1239,51 +1239,62 @@ any such mistake. When operators of equal precedence are used together, the leftmost -operator groups first, except for the assignment and exponentiation -operators, which group in the opposite order. Thus, the expression -@code{a - b + c} groups as @code{(a - b) + c}, but the expression -@code{a = b = c} groups as @code{a = (b = c)}. +operator groups first, except for the assignment operators, which group +in the opposite order. Thus, the expression @code{a - b + c} groups as +@code{(a - b) + c}, but the expression @code{a = b = c} groups as +@code{a = (b = c)}. The precedence of prefix unary operators is important when another operator follows the operand. For example, @code{-x^2} means @code{-(x^2)}, because @samp{-} has lower precedence than @samp{^}. -Here is a table of the operators in Octave, in order of increasing -precedence. +Here is a table of the operators in Octave, in order of decreasing +precedence. Unless noted, all operators group left to right. @table @code -@item statement separators -@samp{;}, @samp{,}. +@item function call and array indexing, cell array indexing, and structure element indexing +@samp{()} @samp{@{@}} @samp{.} + +@item postfix increment, and postfix decrement +@samp{++} @samp{--} + +These operators group right to left. + +@item transpose and exponentiation +@samp{'} @samp{.'} @samp{^} @samp{**} @samp{.^} @samp{.**} -@item assignment -@samp{=}, @samp{+=}, @samp{-=}, @samp{*=},@samp{/=}. This operator -groups right to left. +@item unary plus, unary minus, prefix increment, prefix decrement, and logical "not" +@samp{+} @samp{-} @samp{++} @samp{--} @samp{~} @samp{!} + +@item multiply and divide +@samp{*} @samp{/} @samp{\} @samp{.\} @samp{.*} @samp{./} -@item logical "or" and "and" -@samp{||}, @samp{&&}. +@item add, subtract +@samp{+} @samp{-} -@item element-wise "or" and "and" -@samp{|}, @samp{&}. +@item colon +@samp{:} @item relational -@samp{<}, @samp{<=}, @samp{==}, @samp{>=}, @samp{>}, @samp{!=}, -@samp{~=}. +@samp{<} @samp{<=} @samp{==} @samp{>=} @samp{>} @samp{!=} +@samp{~=} -@item colon -@samp{:}. +@item element-wise "and" +@samp{&} -@item add, subtract -@samp{+}, @samp{-}. +@item element-wise "or" +@samp{|} -@item multiply, divide -@samp{*}, @samp{/}, @samp{\}, @samp{.\}, @samp{.*}, @samp{./}. +@item logical "and" +@samp{&&} -@item transpose -@samp{'}, @samp{.'} +@item logical "or" +@samp{||} -@item unary plus, minus, increment, decrement, and ``not'' -@samp{+}, @samp{-}, @samp{++}, @samp{--}, @samp{!}, @samp{~}. +@item assignment +@samp{=} @samp{+=} @samp{-=} @samp{*=} @samp{/=} @samp{\=} +@samp{^=} @samp{.*=} @samp{./=} @samp{.\=} @samp{.^=} @samp{|=} +@samp{&=} -@item exponentiation -@samp{^}, @samp{**}, @samp{.^}, @samp{.**}. +These operators group right to left. @end table
--- a/doc/interpreter/matrix.txi +++ b/doc/interpreter/matrix.txi @@ -254,8 +254,6 @@ @DOCSTRING(rosser) -@DOCSTRING(sylvester_matrix) - @DOCSTRING(toeplitz) @DOCSTRING(vander)
--- a/doc/interpreter/plot.txi +++ b/doc/interpreter/plot.txi @@ -2390,7 +2390,11 @@ may override the factory defaults. Although default values may be set for any object, they are set in -parent objects and apply to child objects. For example, +parent objects and apply to child objects, of the specified object type. +For example, seeting the default @code{color} property of @code{line} +objects to "green", for the @code{root} object, will result in all +@code{line} objects inheriting the @code{color} "green" as the default +value. @example set (0, "defaultlinecolor", "green");
--- a/doc/interpreter/stats.txi +++ b/doc/interpreter/stats.txi @@ -114,7 +114,7 @@ @DOCSTRING(center) -@DOCSTRING(studentize) +@DOCSTRING(zscore) @DOCSTRING(histc)
--- a/liboctave/LSODE.cc +++ b/liboctave/LSODE.cc @@ -292,7 +292,7 @@ case -2: // excess accuracy requested (tolerances too small). case -3: // invalid input detected (see printed message). case -4: // repeated error test failures (check all inputs). - case -5: // repeated convergence failures (perhaps bad jacobian + case -5: // repeated convergence failures (perhaps bad Jacobian // supplied or wrong choice of mf or tolerances). case -6: // error weight became zero during problem. (solution // component i vanished, and atol or atol(i) = 0.) @@ -349,13 +349,13 @@ case -4: retval = std::string ("repeated error test failures (t = ") - + t_curr + "check all inputs)"; + + t_curr + "; check all inputs)"; break; case -5: retval = std::string ("repeated convergence failures (t = ") + t_curr - + "perhaps bad jacobian supplied or wrong choice of integration method or tolerances)"; + + "; perhaps bad Jacobian supplied or wrong choice of integration method or tolerances)"; break; case -6:
new file mode 100644 --- /dev/null +++ b/scripts/deprecated/__error_text__.m @@ -0,0 +1,36 @@ +## Copyright (C) 2011 John W. Eaton +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## <http://www.gnu.org/licenses/>. + +## -*- texinfo -*- +## @deftypefn {Built-in Function} {[@var{msg}, @var{msgid}] =} __error_text__ (@var{msg}, @var{msgid}) +## This function has been deprecated. Use @code{lasterr} instead. +## @seealso{lasterr} +## @end deftypefn + +function [msg, msgid] = __error_text__ (varargin) + + persistent warned = false; + if (! warned) + warned = true; + warning ("Octave:deprecated-function", + "__error_text__ is obsolete and will be removed from a future version of Octave, please use lasterr instead"); + endif + + [msg, msgid] = lasterr (varargin{:}); + +endfunction
new file mode 100644 --- /dev/null +++ b/scripts/deprecated/error_text.m @@ -0,0 +1,36 @@ +## Copyright (C) 2011 John W. Eaton +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## <http://www.gnu.org/licenses/>. + +## -*- texinfo -*- +## @deftypefn {Built-in Function} {[@var{msg}, @var{msgid}] =} error_text (@var{msg}, @var{msgid}) +## This function has been deprecated. Use @code{lasterr} instead. +## @seealso{lasterr} +## @end deftypefn + +function [msg, msgid] = error_text (varargin) + + persistent warned = false; + if (! warned) + warned = true; + warning ("Octave:deprecated-function", + "error_text is obsolete and will be removed from a future version of Octave, please use lasterr instead"); + endif + + [msg, msgid] = lasterr (varargin{:}); + +endfunction
--- a/scripts/deprecated/module.mk +++ b/scripts/deprecated/module.mk @@ -23,6 +23,8 @@ deprecated/sphcat.m \ deprecated/spvcat.m \ deprecated/strerror.m \ + deprecated/studentize.m \ + deprecated/sylvester_matrix.m \ deprecated/values.m \ deprecated/weibcdf.m \ deprecated/weibinv.m \
rename from scripts/statistics/base/studentize.m rename to scripts/deprecated/studentize.m --- a/scripts/statistics/base/studentize.m +++ b/scripts/deprecated/studentize.m @@ -32,6 +32,12 @@ ## Description: Subtract mean and divide by standard deviation function t = studentize (x, dim) + persistent warned = false; + if (! warned) + warned = true; + warning ("Octave:deprecated-function", + "studentize is obsolete and will be removed from a future version of Octave; please use zscore instead"); + endif if (nargin != 1 && nargin != 2) print_usage ();
rename from scripts/special-matrix/sylvester_matrix.m rename to scripts/deprecated/sylvester_matrix.m --- a/scripts/special-matrix/sylvester_matrix.m +++ b/scripts/deprecated/sylvester_matrix.m @@ -33,6 +33,13 @@ function retval = sylvester_matrix (k) + persistent warned = false; + if (! warned) + warned = true; + warning ("Octave:deprecated-function", + "sylvester_matrix is obsolete and will be removed from a future version of Octave; please use hadamard(2^k) instead"); + endif + if (nargin != 1) print_usage (); endif
--- a/scripts/elfun/module.mk +++ b/scripts/elfun/module.mk @@ -20,7 +20,6 @@ elfun/csc.m \ elfun/cscd.m \ elfun/csch.m \ - elfun/lcm.m \ elfun/sec.m \ elfun/secd.m \ elfun/sech.m \
--- a/scripts/general/dblquad.m +++ b/scripts/general/dblquad.m @@ -37,22 +37,23 @@ ## ## The optional argument @var{quadf} specifies which underlying integrator ## function to use. Any choice but @code{quad} is available and the default -## is @code{quadgk}. +## is @code{quadcc}. ## ## Additional arguments, are passed directly to @var{f}. To use the default -## value for @var{tol} or @var{quadf} one may pass an empty matrix ([]). +## value for @var{tol} or @var{quadf} one may pass ':' or an empty matrix ([]). ## @seealso{triplequad, quad, quadv, quadl, quadgk, quadcc, trapz} ## @end deftypefn -function q = dblquad(f, xa, xb, ya, yb, tol, quadf, varargin) +function q = dblquad (f, xa, xb, ya, yb, tol = 1e-6, quadf = @quadcc, varargin) + if (nargin < 5) print_usage (); endif - if (nargin < 6 || isempty (tol)) + if (isempty (tol)) tol = 1e-6; endif - if (nargin < 7 || isempty (quadf)) - quadf = @quadgk; + if (isempty (quadf)) + quadf = @quadcc; endif inner = @__dblquad_inner__; @@ -72,10 +73,10 @@ endfor endfunction -%% Nasty integrand to show quadgk off +%% Nasty integrand to show quadcc off %!assert (dblquad (@(x,y) 1 ./ (x+y), 0, 1, 0, 1), 2*log(2), 1e-6) -%!assert (dblquad (@(x,y) exp(-x.^2 - y.^2) , -1, 1, -1, 1, [], @quadgk), pi * erf(1).^2, 1e-6) -%!assert (dblquad (@(x,y) exp(-x.^2 - y.^2) , -1, 1, -1, 1, [], @quadl), pi * erf(1).^2, 1e-6) -%!assert (dblquad (@(x,y) exp(-x.^2 - y.^2) , -1, 1, -1, 1, [], @quadv), pi * erf(1).^2, 1e-6) +%!assert (dblquad (@(x,y) exp(-x.^2 - y.^2) , -1, 1, -1, 1, 1e-6, @quadgk), pi * erf(1).^2, 1e-6) +%!assert (dblquad (@(x,y) exp(-x.^2 - y.^2) , -1, 1, -1, 1, 1e-6, @quadl), pi * erf(1).^2, 1e-6) +%!assert (dblquad (@(x,y) exp(-x.^2 - y.^2) , -1, 1, -1, 1, 1e-6, @quadv), pi * erf(1).^2, 1e-6)
--- a/scripts/general/flipdim.m +++ b/scripts/general/flipdim.m @@ -45,7 +45,7 @@ nd = ndims (x); if (nargin == 1) ## Find the first non-singleton dimension. - [~, dim] = min (size (x) != 1); + (dim = find (sz > 1, 1)) || (dim = 1); elseif (! (isscalar (dim) && isindex (dim))) error ("flipdim: DIM must be a positive integer"); endif
--- a/scripts/general/int2str.m +++ b/scripts/general/int2str.m @@ -55,10 +55,7 @@ nd = ndims (n); nc = columns (n); if (nc > 1) - idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); idx(2) = 1; ifmt = get_fmt (n(idx{:}), 0); idx(2) = 2:sz(2);
--- a/scripts/general/interp1.m +++ b/scripts/general/interp1.m @@ -43,7 +43,7 @@ ## Piecewise cubic Hermite interpolating polynomial ## ## @item 'cubic' -## Cubic interpolation from four nearest neighbors +## Cubic interpolation (same as @code{pchip}) ## ## @item 'spline' ## Cubic spline interpolation---smooth first and second derivatives @@ -112,7 +112,7 @@ method = "linear"; extrap = NA; xi = []; - pp = false; + ispp = false; firstnumeric = true; if (nargin > 2) @@ -123,7 +123,7 @@ if (strcmp ("extrap", arg)) extrap = "extrap"; elseif (strcmp ("pp", arg)) - pp = true; + ispp = true; else method = arg; endif @@ -138,7 +138,7 @@ endfor endif - if (isempty (xi) && firstnumeric && ! pp) + if (isempty (xi) && firstnumeric && ! ispp) xi = y; y = x; x = 1:numel(y); @@ -150,9 +150,8 @@ szx = size (xi); if (isvector (y)) y = y(:); - elseif (isvector (xi)) - szx = length (xi); endif + szy = size (y); y = y(:,:); [ny, nc] = size (y); @@ -191,147 +190,85 @@ switch (method) case "nearest" - if (pp) - yi = mkpp ([x(1); (x(1:nx-1)+x(2:nx))/2; x(nx)], y, szy(2:end)); + pp = mkpp ([x(1); (x(1:nx-1)+x(2:nx))/2; x(nx)], shiftdim (y, 1), szy(2:end)); + pp.orient = "first"; + + if (ispp) + yi = pp; else - idx = lookup (0.5*(x(1:nx-1)+x(2:nx)), xi) + 1; - yi = y(idx,:); + yi = ppval (pp, reshape (xi, szx)); endif case "*nearest" - if (pp) - yi = mkpp ([x(1); x(1)+[0.5:(nx-1)]'*dx; x(nx)], y, szy(2:end)); + pp = mkpp ([x(1), x(1)+[0.5:(nx-1)]*dx, x(nx)], shiftdim (y, 1), szy(2:end)); + pp.orient = "first"; + if (ispp) + yi = pp; else - idx = max (1, min (ny, floor((xi-x(1))/dx+1.5))); - yi = y(idx,:); + yi = ppval(pp, reshape (xi, szx)); endif case "linear" dy = diff (y); - dx = diff (x); - if (pp) - coefs = [dy./dx, y(1:nx-1)]; - xx = x; - if (have_jumps) - ## Omit zero-size intervals. - coefs(jumps) = []; - xx(jumps) = []; - endif - yi = mkpp (xx, coefs, szy(2:end)); + dx = diff (x); + dx = repmat (dx, [1 size(dy)(2:end)]); + coefs = [(dy./dx).'(:), y(1:nx-1, :).'(:)]; + xx = x; + + if (have_jumps) + ## Omit zero-size intervals. + coefs(jumps, :) = []; + xx(jumps) = []; + endif + + pp = mkpp (xx, coefs, szy(2:end)); + pp.orient = "first"; + + if (ispp) + yi = pp; else - ## find the interval containing the test point - idx = lookup (x, xi, "lr"); - ## use the endpoints of the interval to define a line - s = (xi - x(idx))./dx(idx); - yi = bsxfun (@times, s, dy(idx,:)) + y(idx,:); - if (have_jumps) - ## Fix the corner cases of discontinuities at boundaries. - ## Internal discontinuities already handled correctly. - if (jumps (1)) - mask = xi < x(1); - yi(mask,:) = y(1*ones (1, sum (mask)),:); - endif - if (jumps(nx-1)) - mask = xi >= x(nx); - yi(mask,:) = y(nx*ones (1, sum (mask)),:); - endif - endif + yi = ppval(pp, reshape (xi, szx)); endif + case "*linear" dy = diff (y); - if (pp) - yi = mkpp (x(1) + [0:ny-1]*dx, [dy./dx, y(1:end-1)], szy(2:end)); + coefs = [(dy/dx).'(:), y(1:nx-1, :).'(:)]; + pp = mkpp (x, coefs, szy(2:end)); + pp.orient = "first"; + + if (ispp) + yi = pp; else - ## find the interval containing the test point - t = (xi - x(1))/dx + 1; - idx = max (1, min (ny - 1, floor (t))); + yi = ppval(pp, reshape (xi, szx)); + endif - ## use the endpoints of the interval to define a line - s = t - idx; - yi = bsxfun (@times, s, dy(idx,:)) + y(idx,:); - endif - case {"pchip", "*pchip"} + case {"pchip", "*pchip", "cubic", "*cubic"} if (nx == 2 || starmethod) x = linspace (x(1), x(nx), ny); endif - ## Note that pchip's arguments are transposed relative to interp1 - if (pp) - yi = pchip (x.', y.'); - yi.d = szy(2:end); - else - yi = pchip (x.', y.', xi.').'; - endif - - case {"cubic", "*cubic"} - if (nx < 4 || ny < 4) - error ("interp1: table too short"); - endif - - ## FIXME Is there a better way to treat pp return and *cubic - if (starmethod && ! pp) - ## From: Miloje Makivic - ## http://www.npac.syr.edu/projects/nasa/MILOJE/final/node36.html - t = (xi - x(1))/dx + 1; - idx = max (min (floor (t), ny-2), 2); - t = t - idx; - t2 = t.*t; - tp = 1 - 0.5*t; - a = (1 - t2).*tp; - b = (t2 + t).*tp; - c = (t2 - t).*tp/3; - d = (t2 - 1).*t/6; - J = ones (1, nc); - - yi = a(:,J) .* y(idx,:) + b(:,J) .* y(idx+1,:) ... - + c(:,J) .* y(idx-1,:) + d(:,J) .* y(idx+2,:); + + if (ispp) + y = shiftdim (reshape (y, szy), 1); + yi = pchip (x, y); else - if (starmethod) - x = linspace (x(1), x(nx), ny).'; - nx = ny; - endif - - idx = lookup (x(2:nx-1), xi, "lr"); - - ## Construct cubic equations for each interval using divided - ## differences (computation of c and d don't use divided differences - ## but instead solve 2 equations for 2 unknowns). Perhaps - ## reformulating this as a lagrange polynomial would be more efficient. - i = 1:nx-3; - J = ones (1, nc); - dx = diff (x); - dx2 = x(i+1).^2 - x(i).^2; - dx3 = x(i+1).^3 - x(i).^3; - a = diff (y, 3)./dx(i,J).^3/6; - b = (diff (y(1:nx-1,:), 2)./dx(i,J).^2 - 6*a.*x(i+1,J))/2; - c = (diff (y(1:nx-2,:), 1) - a.*dx3(:,J) - b.*dx2(:,J))./dx(i,J); - d = y(i,:) - ((a.*x(i,J) + b).*x(i,J) + c).*x(i,J); - - if (pp) - xs = [x(1);x(3:nx-2)]; - yi = mkpp ([x(1);x(3:nx-2);x(nx)], - [a(:), (b(:) + 3.*xs(:,J).*a(:)), ... - (c(:) + 2.*xs(:,J).*b(:) + 3.*xs(:,J)(:).^2.*a(:)), ... - (d(:) + xs(:,J).*c(:) + xs(:,J).^2.*b(:) + ... - xs(:,J).^3.*a(:))], szy(2:end)); - else - yi = ((a(idx,:).*xi(:,J) + b(idx,:)).*xi(:,J) ... - + c(idx,:)).*xi(:,J) + d(idx,:); - endif + y = shiftdim (y, 1); + yi = pchip (x, y, reshape (xi, szx)); endif case {"spline", "*spline"} if (nx == 2 || starmethod) x = linspace(x(1), x(nx), ny); endif - ## Note that spline's arguments are transposed relative to interp1 - if (pp) - yi = spline (x.', y.'); - yi.d = szy(2:end); + + if (ispp) + y = shiftdim (reshape (y, szy), 1); + yi = spline (x, y); else - yi = spline (x.', y.', xi.').'; + y = shiftdim (y, 1); + yi = spline (x, y, reshape (xi, szx)); endif otherwise error ("interp1: invalid method '%s'", method); endswitch - if (! pp) + if (! ispp) if (! ischar (extrap)) ## determine which values are out of range and set them to extrap, ## unless extrap == "extrap". @@ -339,10 +276,24 @@ maxx = max (x(1), x(nx)); outliers = xi < minx | ! (xi <= maxx); # this catches even NaNs - yi(outliers, :) = extrap; + if (size_equal (outliers, yi)) + yi(outliers) = extrap; + yi = reshape (yi, szx); + elseif (!isvector (yi)) + if (strcmp (method, "pchip") || strcmp (method, "*pchip") + ||strcmp (method, "cubic") || strcmp (method, "*cubic") + ||strcmp (method, "spline") || strcmp (method, "*spline")) + yi(:, outliers) = extrap; + yi = shiftdim(yi, 1); + else + yi(outliers, :) = extrap; + endif + else + yi(outliers.') = extrap; + endif endif - - yi = reshape (yi, [szx, szy(2:end)]); + else + yi.orient = "first"; endif endfunction @@ -394,6 +345,7 @@ %! %-------------------------------------------------------- %! % confirm that interpolated function matches the original +##FIXME: add test for n-d arguments here ## For each type of interpolated test, confirm that the interpolated ## value at the knots match the values at the knots. Points away @@ -595,7 +547,6 @@ %!assert (interp1(1:2,1:2,1.4,"nearest"),1); %!error interp1(1,1,1, "linear"); %!assert (interp1(1:2,1:2,1.4,"linear"),1.4); -%!error interp1(1:3,1:3,1, "cubic"); %!assert (interp1(1:4,1:4,1.4,"cubic"),1.4); %!assert (interp1(1:2,1:2,1.1, "spline"), 1.1); %!assert (interp1(1:3,1:3,1.4,"spline"),1.4); @@ -604,7 +555,6 @@ %!assert (interp1(1:2:4,1:2:4,1.4,"*nearest"),1); %!error interp1(1,1,1, "*linear"); %!assert (interp1(1:2:4,1:2:4,[0,1,1.4,3,4],"*linear"),[NA,1,1.4,3,NA]); -%!error interp1(1:3,1:3,1, "*cubic"); %!assert (interp1(1:2:8,1:2:8,1.4,"*cubic"),1.4); %!assert (interp1(1:2,1:2,1.3, "*spline"), 1.3); %!assert (interp1(1:2:6,1:2:6,1.4,"*spline"),1.4); @@ -612,5 +562,5 @@ %!assert (interp1([3,2,1],[3,2,2],2.5),2.5) %!assert (interp1 ([1,2,2,3,4],[0,1,4,2,1],[-1,1.5,2,2.5,3.5], "linear", "extrap"), [-2,0.5,4,3,1.5]) -%!assert (interp1 ([4,4,3,2,0],[0,1,4,2,1],[1.5,4,4.5], "linear"), [0,1,NA]) +%!assert (interp1 ([4,4,3,2,0],[0,1,4,2,1],[1.5,4,4.5], "linear"), [1.75,1,NA]) %!assert (interp1 (0:4, 2.5), 1.5)
--- a/scripts/general/interpft.m +++ b/scripts/general/interpft.m @@ -76,10 +76,8 @@ k = floor (m / 2); sz = size (x); sz(1) = n * inc - m; - idx = cell (nd, 1); - for i = 2:nd - idx{i} = 1:sz(i); - endfor + + idx = repmat ({':'}, nd, 1); idx{1} = 1:k; z = cat (1, y(idx{:}), zeros (sz)); idx{1} = k+1:m;
--- a/scripts/general/isa.m +++ b/scripts/general/isa.m @@ -75,3 +75,22 @@ %!assert (isa (uint16 (13), "numeric"), true) %!assert (isa (uint32 (13), "numeric"), true) %!assert (isa (uint64 (13), "numeric"), true) + +%!assert (isa (double (13), "double")); +%!assert (isa (single (13), "single")); +%!assert (isa (int8 (13), "int8")); +%!assert (isa (int16 (13), "int16")); +%!assert (isa (int32 (13), "int32")); +%!assert (isa (int64 (13), "int64")); +%!assert (isa (uint8 (13), "uint8")); +%!assert (isa (uint16 (13), "uint16")); +%!assert (isa (uint32 (13), "uint32")); +%!assert (isa (uint64 (13), "uint64")); +%!assert (isa ("string", "char")); +%!assert (isa (true, "logical")); +%!assert (isa (false, "logical")); +%!assert (isa ({1, 2}, "cell")); +%!test +%! a.b = 1; +%! assert (isa (a, "struct")); +
--- a/scripts/general/iscolumn.m +++ b/scripts/general/iscolumn.m @@ -26,8 +26,6 @@ function retval = iscolumn (x) - retval = false; - if (nargin != 1) print_usage (); endif
--- a/scripts/general/isdir.m +++ b/scripts/general/isdir.m @@ -23,10 +23,11 @@ ## @end deftypefn function retval = isdir (f) - if (nargin == 1) - ## Exist returns an integer but isdir should return a logical. - retval = (exist (f, "dir") == 7); - else + if (nargin != 1) print_usage ("isdir"); endif + + ## Exist returns an integer but isdir should return a logical. + retval = (exist (f, "dir") == 7); + endfunction
--- a/scripts/general/isequal.m +++ b/scripts/general/isequal.m @@ -24,12 +24,12 @@ function retval = isequal (x1, varargin) - if (nargin > 1) - retval = __isequal__ (false, x1, varargin{:}); - else + if (nargin < 2) print_usage (); endif + retval = __isequal__ (false, x1, varargin{:}); + endfunction ## test size and shape
--- a/scripts/general/isequalwithequalnans.m +++ b/scripts/general/isequalwithequalnans.m @@ -25,12 +25,12 @@ function retval = isequalwithequalnans (x1, varargin) - if (nargin > 1) - retval = __isequal__ (true, x1, varargin{:}); - else + if (nargin < 2) print_usage (); endif + retval = __isequal__ (true, x1, varargin{:}); + endfunction ## test for equality
--- a/scripts/general/isrow.m +++ b/scripts/general/isrow.m @@ -26,8 +26,6 @@ function retval = isrow (x) - retval = false; - if (nargin != 1) print_usage (); endif
--- a/scripts/general/isscalar.m +++ b/scripts/general/isscalar.m @@ -26,12 +26,12 @@ function retval = isscalar (x) - if (nargin == 1) - retval = numel (x) == 1; - else + if (nargin != 1) print_usage (); endif + retval = numel (x) == 1; + endfunction %!assert(isscalar (1));
--- a/scripts/general/issquare.m +++ b/scripts/general/issquare.m @@ -28,42 +28,35 @@ function retval = issquare (x) - if (nargin == 1) - if (ndims (x) == 2) - [r, c] = size (x); - retval = r == c; - else - retval = false; - endif + if (nargin != 1) + print_usage (); + endif + + if (ndims (x) == 2) + [r, c] = size (x); + retval = r == c; else - print_usage (); + retval = false; endif endfunction +%!assert(issquare ([])); %!assert(issquare (1)); - %!assert(!(issquare ([1, 2]))); - -%!assert(issquare ([])); - %!assert(issquare ([1, 2; 3, 4])); - -%!test -%! assert(issquare ("t")); - +%!assert(!(issquare ([1, 2; 3, 4; 5, 6]))); +%!assert(!(issquare (ones (3,3,3)))); +%!assert(issquare ("t")); %!assert(!(issquare ("test"))); - -%!test -%! assert(issquare (["test"; "ing"; "1"; "2"])); - +%!assert(issquare (["test"; "ing"; "1"; "2"])); %!test %! s.a = 1; %! assert(issquare (s)); - -%!assert(!(issquare ([1, 2; 3, 4; 5, 6]))); +%!assert(issquare ({1, 2; 3, 4})); +%!assert(sparse (([1, 2; 3, 4]))); +%% Test input validation %!error issquare (); - %!error issquare ([1, 2; 3, 4], 2);
--- a/scripts/general/isvector.m +++ b/scripts/general/isvector.m @@ -28,15 +28,13 @@ function retval = isvector (x) - retval = 0; - - if (nargin == 1) - sz = size (x); - retval = (ndims (x) == 2 && (sz(1) == 1 || sz(2) == 1)); - else + if (nargin != 1) print_usage (); endif + sz = size (x); + retval = (ndims (x) == 2 && (sz(1) == 1 || sz(2) == 1)); + endfunction %!assert(isvector (1));
--- a/scripts/general/num2str.m +++ b/scripts/general/num2str.m @@ -111,10 +111,7 @@ nd = ndims (x); perm = fix ([1:0.5:nc+0.5]); perm(2:2:2*nc) = perm(2:2:2*nc) + nc; - idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); idx{2} = perm; x = horzcat (real (x), imag (x)); x = x(idx{:});
--- a/scripts/general/postpad.m +++ b/scripts/general/postpad.m @@ -53,11 +53,8 @@ nd = ndims (x); sz = size (x); if (nargin < 4) - ## Find the first non-singleton dimension - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + ## Find the first non-singleton dimension. + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -76,10 +73,7 @@ d = sz (dim); if (d >= l) - idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); idx{dim} = 1:l; y = x(idx{:}); else
--- a/scripts/general/prepad.m +++ b/scripts/general/prepad.m @@ -53,11 +53,8 @@ nd = ndims (x); sz = size (x); if (nargin < 4) - ## Find the first non-singleton dimension - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + ## Find the first non-singleton dimension. + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -76,10 +73,7 @@ d = sz (dim); if (d >= l) - idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); idx{dim} = d-l+1:d; y = x(idx{:}); else
--- a/scripts/general/shift.m +++ b/scripts/general/shift.m @@ -51,10 +51,7 @@ endif else ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); endif if (numel (x) < 1) @@ -63,10 +60,7 @@ d = sz (dim); - idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); if (b >= 0) b = rem (b, d); idx{dim} = [d-b+1:d, 1:d-b];
--- a/scripts/general/triplequad.m +++ b/scripts/general/triplequad.m @@ -37,22 +37,25 @@ ## ## The optional argument @var{quadf} specifies which underlying integrator ## function to use. Any choice but @code{quad} is available and the default -## is @code{quadgk}. +## is @code{quadcc}. ## ## Additional arguments, are passed directly to @var{f}. To use the default -## value for @var{tol} or @var{quadf} one may pass an empty matrix ([]). +## value for @var{tol} or @var{quadf} one may pass ':' or an empty matrix ([]). ## @seealso{dblquad, quad, quadv, quadl, quadgk, quadcc, trapz} ## @end deftypefn -function q = triplequad(f, xa, xb, ya, yb, za, zb, tol, quadf, varargin) +function q = triplequad (f, xa, xb, ya, yb, za, zb, tol = 1e-6, quadf = @quadcc, varargin) + if (nargin < 7) print_usage (); endif - if (nargin < 8 || isempty (tol)) + + ## Allow use of empty matrix ([]) to indicate default + if (isempty (tol)) tol = 1e-6; endif - if (nargin < 9 || isempty (quadf)) - quadf = @quadgk; + if (isempty (quadf)) + quadf = @quadcc; endif inner = @__triplequad_inner__; @@ -61,7 +64,8 @@ varargin = {}; endif - q = dblquad(@(y, z) inner (y, z, f, xa, xb, tol, quadf, varargin{:}),ya, yb, za, zb, tol); + q = dblquad (@(y, z) inner (y, z, f, xa, xb, tol, quadf, varargin{:}), ya, yb, za, zb, tol); + endfunction function q = __triplequad_inner__ (y, z, f, xa, xb, tol, quadf, varargin) @@ -71,8 +75,11 @@ endfor endfunction -%% These tests are too expensive to run normally. Disable them -% !#assert (triplequad (@(x,y,z) exp(-x.^2 - y.^2 - z.^2) , -1, 1, -1, 1, -1, 1, [], @quadgk), pi ^ (3/2) * erf(1).^3, 1e-6) -% !#assert (triplequad (@(x,y,z) exp(-x.^2 - y.^2 - z.^2) , -1, 1, -1, 1, -1, 1, [], @quadl), pi ^ (3/2) * erf(1).^3, 1e-6) -% !#assert (triplequad (@(x,y,z) exp(-x.^2 - y.^2 - z.^2) , -1, 1, -1, 1, -1, 1, [], @quadv), pi ^ (3/2) * erf(1).^3, 1e-6) + +%!assert (triplequad (@(x,y,z) exp(-x.^2 - y.^2 - z.^2) , -1, 1, -1, 1, -1, 1, [], @quadcc), pi ^ (3/2) * erf(1).^3, 1e-6) +%% These tests are too expensive to run normally (~30 sec each). Disable them +#%!assert (triplequad (@(x,y,z) exp(-x.^2 - y.^2 - z.^2) , -1, 1, -1, 1, -1, 1, [], @quadgk), pi ^ (3/2) * erf(1).^3, 1e-6) +#%!#assert (triplequad (@(x,y,z) exp(-x.^2 - y.^2 - z.^2) , -1, 1, -1, 1, -1, 1, [], @quadl), pi ^ (3/2) * erf(1).^3, 1e-6) +#%!#assert (triplequad (@(x,y,z) exp(-x.^2 - y.^2 - z.^2) , -1, 1, -1, 1, -1, 1, [], @quadv), pi ^ (3/2) * erf(1).^3, 1e-6) +
--- a/scripts/help/__makeinfo__.m +++ b/scripts/help/__makeinfo__.m @@ -17,8 +17,8 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Function File} {[@var{retval}, @var{status}] =} __makeinfo__ (@var{text}, @var{output_type}) -## @deftypefnx {Function File} {[@var{retval}, @var{status}] =} __makeinfo__ (@var{text}, @var{output_type}, @var{see_also}) +## @deftypefn {Function File} {[@var{retval}, @var{status}] =} __makeinfo__ (@var{text}) +## @deftypefnx {Function File} {[@var{retval}, @var{status}] =} __makeinfo__ (@var{text}, @var{output_type}) ## Undocumented internal function. ## @end deftypefn @@ -33,13 +33,6 @@ ## @t{"plain text"}. If @var{output_type} is @t{"texinfo"}, the @t{@@seealso} ## macro is expanded, but otherwise the text is unaltered. ## -## If the optional argument @var{see_also} is present, it is used to expand the -## Octave specific @t{@@seealso} macro. This argument must be a function handle, -## that accepts a cell array of strings as input argument (each elements of the -## array corresponds to the arguments to the @t{@@seealso} macro), and return -## the expanded string. If this argument is not given, the @t{@@seealso} macro -## will be expanded to the text -## ## @example ## See also: arg1, arg2@, ... ## @end example @@ -60,7 +53,7 @@ function [retval, status] = __makeinfo__ (text, output_type = "plain text", see_also = []) ## Check input - if (nargin == 0) + if (nargin < 1 || nargin > 2) print_usage (); endif @@ -72,72 +65,18 @@ error ("__makeinfo__: second input argument must be a string"); endif - ## Define the function which expands @seealso macro - if (isempty (see_also)) - if (strcmpi (output_type, "plain text")) - see_also = @simple_see_also; - else - see_also = @simple_see_also_with_refs; - endif - endif - - if (!isa (see_also, "function_handle")) - error ("__makeinfo__: third input argument must be the empty matrix, or a function handle"); - endif - ## It seems like makeinfo sometimes gets angry if the first character ## on a line is a space, so we remove these. text = strrep (text, "\n ", "\n"); ## Handle @seealso macro - SEE_ALSO = "@seealso"; - starts = strfind (text, SEE_ALSO); - for start = fliplr (starts) - if (start == 1 || (text (start-1) != "@")) - bracket_start = find (text (start:end) == "{", 1); - stop = find (text (start:end) == "}", 1); - if (!isempty (stop) && !isempty (bracket_start)) - stop += start - 1; - bracket_start += start - 1; - else - bracket_start = start + length (SEE_ALSO); - stop = find (text (start:end) == "\n", 1); - if (isempty (stop)) - stop = length (text); - else - stop += start - 1; - endif - endif - see_also_args = text (bracket_start+1:(stop-1)); - see_also_args = strtrim (strsplit (see_also_args, ",")); - expanded = see_also (see_also_args); - text = strcat (text (1:start-1), expanded, text (stop+1:end)); - endif - endfor - + if (strcmpi (output_type, "plain text")) + text = regexprep (text, '@seealso *\{([^}]*)\}', "\nSee also: $1.\n\n"); + else + text = regexprep (text, '@seealso *\{([^}]*)\}', "\nSee also: @ref{$1}.\n\n"); + endif ## Handle @nospell macro - NOSPELL = "@nospell"; - starts = strfind (text, NOSPELL); - for start = fliplr (starts) - if (start == 1 || (text (start-1) != "@")) - bracket_start = find (text (start:end) == "{", 1); - stop = find (text (start:end) == "}", 1); - if (!isempty (stop) && !isempty (bracket_start)) - stop += start - 1; - bracket_start += start - 1; - else - bracket_start = start + length (NOSPELL); - stop = find (text (start:end) == "\n", 1); - if (isempty (stop)) - stop = length (text); - else - stop += start - 1; - endif - endif - text(stop) = []; - text(start:bracket_start) = []; - endif - endfor + text = regexprep (text, '@nospell *\{([^}]*)\}', "$1"); if (strcmpi (output_type, "texinfo")) status = 0; @@ -180,12 +119,3 @@ end_unwind_protect endfunction -function expanded = simple_see_also (args) - expanded = strcat ("\nSee also:", sprintf (" %s,", args {:})); - expanded = strcat (expanded (1:end-1), "\n\n"); -endfunction - -function expanded = simple_see_also_with_refs (args) - expanded = strcat ("\nSee also:", sprintf (" @ref{%s},", args {:})); - expanded = strcat (expanded (1:end-1), "\n\n"); -endfunction
--- a/scripts/image/image.m +++ b/scripts/image/image.m @@ -19,9 +19,9 @@ ## -*- texinfo -*- ## @deftypefn {Function File} {} image (@var{img}) ## @deftypefnx {Function File} {} image (@var{x}, @var{y}, @var{img}) -## Display a matrix as a color image. The elements of @var{x} are indices +## Display a matrix as a color image. The elements of @var{img} are indices ## into the current colormap, and the colormap will be scaled so that the -## extremes of @var{x} are mapped to the extremes of the colormap. +## extremes of @var{img} are mapped to the extremes of the colormap. ## ## The axis values corresponding to the matrix elements are specified in ## @var{x} and @var{y}. If you're not using gnuplot 4.2 or later, these
--- a/scripts/miscellaneous/ls.m +++ b/scripts/miscellaneous/ls.m @@ -63,7 +63,7 @@ retval = strvcat (regexp (output, '\S+', 'match'){:}); endif else - error ("ls: command exited abnormally with status %d", status); + error ("ls: command exited abnormally with status %d\n", status); endif else
--- a/scripts/miscellaneous/unimplemented.m +++ b/scripts/miscellaneous/unimplemented.m @@ -334,13 +334,11 @@ "reducepatch", "reducevolume", "resample", - "reset", "rgbplot", "rmpref", "root", "rotate", "rotate3d", - "rsf2csf", "selectmoveresize", "sendmail", "serial",
--- a/scripts/plot/plotyy.m +++ b/scripts/plot/plotyy.m @@ -78,7 +78,7 @@ ca = get (f, "currentaxes"); if (isempty (ca)) ax = []; - elseif (strcmp (get (ca, "tag"), "plotyy")); + elseif (strcmp (get (ca, "tag"), "plotyy")) ax = get (ca, "__plotyy_axes__"); else ax = ca; @@ -113,8 +113,6 @@ endif end_unwind_protect - set (ax, "activepositionproperty", "position"); - if (nargout > 0) Ax = ax; H1 = h1; @@ -162,10 +160,24 @@ colors = get (ax(1), "colororder"); set (ax(2), "colororder", [colors(2:end,:); colors(1,:)]); + if (strcmp (get (ax(1), "autopos_tag"), "subplot")) + set (ax(2), "autopos_tag", "subplot"); + else + set (ax, "activepositionproperty", "position"); + endif + h2 = feval (fun2, x2, y2); set (ax(2), "yaxislocation", "right"); set (ax(2), "ycolor", getcolor (h2(1))); - set (ax(2), "position", get (ax(1), "position")); + + + if (strcmp (get(ax(1), "activepositionproperty"), "position")) + set (ax(2), "position", get (ax(1), "position")); + else + set (ax(2), "outerposition", get (ax(1), "outerposition")); + set (ax(2), "looseinset", get (ax(1), "looseinset")); + endif + set (ax(2), "xlim", xlim); set (ax(2), "color", "none"); set (ax(2), "box", "off"); @@ -184,6 +196,10 @@ addlistener (ax(1), "position", {@update_position, ax(2)}); addlistener (ax(2), "position", {@update_position, ax(1)}); + addlistener (ax(1), "outerposition", {@update_position, ax(2)}); + addlistener (ax(2), "outerposition", {@update_position, ax(1)}); + addlistener (ax(1), "looseinset", {@update_position, ax(2)}); + addlistener (ax(2), "looseinset", {@update_position, ax(1)}); addlistener (ax(1), "view", {@update_position, ax(2)}); addlistener (ax(2), "view", {@update_position, ax(1)}); addlistener (ax(1), "plotboxaspectratio", {@update_position, ax(2)}); @@ -257,17 +273,27 @@ if (! recursion) unwind_protect recursion = true; - position = get (h, "position"); view = get (h, "view"); - plotboxaspectratio = get (h, "plotboxaspectratio"); - plotboxaspectratiomode = get (h, "plotboxaspectratiomode"); - oldposition = get (ax2, "position"); oldview = get (ax2, "view"); + plotboxaspectratio = get (h, "plotboxaspectratio"); oldplotboxaspectratio = get (ax2, "plotboxaspectratio"); + plotboxaspectratiomode = get (h, "plotboxaspectratiomode"); oldplotboxaspectratiomode = get (ax2, "plotboxaspectratiomode"); - if (! (isequal (position, oldposition) && isequal (view, oldview))) - set (ax2, "position", position, "view", view); + + if (strcmp (get(h, "activepositionproperty"), "position")) + position = get (h, "position"); + oldposition = get (ax2, "position"); + if (! (isequal (position, oldposition) && isequal (view, oldview))) + set (ax2, "position", position, "view", view); + endif + else + outerposition = get (h, "outerposition"); + oldouterposition = get (ax2, "outerposition"); + if (! (isequal (outerposition, oldouterposition) && isequal (view, oldview))) + set (ax2, "outerposition", outerposition, "view", view); + endif endif + if (! (isequal (plotboxaspectratio, oldplotboxaspectratio) && isequal (plotboxaspectratiomode, oldplotboxaspectratiomode))) set (ax2, "plotboxaspectratio", plotboxaspectratio);
--- a/scripts/plot/subplot.m +++ b/scripts/plot/subplot.m @@ -124,7 +124,22 @@ units = "normalized"; set (0, "defaultaxesunits", units); set (cf, "units", "pixels"); - pos = subplot_position (rows, cols, index, "position"); + + ## FIXME: At the moment we force gnuplot to use the aligned mode + ## which will set "activepositionproperty" to "position". + ## Τhis can yield to text overlap between labels and titles + ## see bug #31610 + if (strcmp (get (cf, "__graphics_toolkit__"), "gnuplot")) + align_axes = true; + endif + + if (align_axes) + pos = subplot_position (rows, cols, index, "position"); + elseif (strcmp (get (cf, "__graphics_toolkit__"), "gnuplot")) + pos = subplot_position (rows, cols, index, "outerpositiontight"); + else + pos = subplot_position (rows, cols, index, "outerposition"); + endif set (cf, "nextplot", "add"); @@ -144,7 +159,11 @@ || strcmp (get (child, "tag"), "colorbar")) continue; endif - objpos = get (child, "position"); + if (align_axes) + objpos = get (child, "position"); + else + objpos = get (child, "outerposition"); + endif if (all (objpos == pos) && ! replace_axes) ## If the new axes are in exactly the same position as an ## existing axes object, use the existing axes. @@ -170,14 +189,13 @@ if (found) set (cf, "currentaxes", tmp); + elseif (align_axes) + tmp = axes ("box", "off", "position", pos); + elseif (strcmp (get (cf, "__graphics_toolkit__"), "gnuplot")) + tmp = axes ("box", "off", "outerposition", pos); else - outpos = subplot_position (rows, cols, index, "outerposition"); - tmp = axes ("looseinset", [0 0 0 0], "box", "off", - "outerposition", outpos, "position", pos); - endif - - if (align_axes || strcmp (get (cf, "__graphics_toolkit__"), "gnuplot")) - set (tmp, "activepositionproperty", "position"); + tmp = axes ("looseinset", [0 0 0 0], "box", "off", "outerposition", pos, + "autopos_tag", "subplot"); endif unwind_protect_cleanup @@ -193,67 +211,55 @@ function pos = subplot_position (rows, cols, index, position_property) - defaultaxesposition = get (0, "defaultaxesposition"); - defaultaxesouterposition = get (0, "defaultaxesouterposition"); - if (rows == 1 && cols == 1) ## Trivial result for subplot (1,1,1) if (strcmpi (position_property, "position")) - pos = defaultaxesposition; + pos = get (0, "defaultaxesposition"); else - pos = defaultaxesouterposition; + pos = get (0, "defaultaxesouterposition"); endif return endif - ## The outer margins surrounding all subplot "positions" are independent of - ## the number of rows and/or columns - margins.left = defaultaxesposition(1); - margins.bottom = defaultaxesposition(2); - margins.right = 1.0 - margins.left - defaultaxesposition(3); - margins.top = 1.0 - margins.bottom - defaultaxesposition(4); - - ## Fit from Matlab experiments - pc = 1 ./ [0.1860, (margins.left + margins.right - 1)]; - margins.column = 1 ./ polyval (pc , cols); - pr = 1 ./ [0.2282, (margins.top + margins.bottom - 1)]; - margins.row = 1 ./ polyval (pr , rows); - - ## Calculate the width/height of the subplot axes "position". - ## This is also consistent with Matlab - width = 1 - margins.left - margins.right - (cols-1)*margins.column; - width = width / cols; - height = 1 - margins.top - margins.bottom - (rows-1)*margins.row; - height = height / rows; + if (strcmp (position_property, "outerposition") + || strcmp (position_property, "outerpositiontight")) + margins.left = 0.05; + margins.bottom = 0.05; + margins.right = 0.05; + margins.top = 0.05; + if (strcmp (position_property, "outerpositiontight")) + margins.column = 0.; + margins.row = 0.; + else + margins.column = 0.04 / cols; + margins.row = 0.04 / rows; + endif + width = 1 - margins.left - margins.right - (cols-1)*margins.column; + width = width / cols; + height = 1 - margins.top - margins.bottom - (rows-1)*margins.row; + height = height / rows; + else + defaultaxesposition = get (0, "defaultaxesposition"); - if (strcmp (position_property, "outerposition") ) - ## Calculate the inset of the position relative to the outerposition - ## The outerpositions are assumed to be tiled. Matlab's implementation - ## has outerposition overlap. - if (rows > 1) - ## Title on top and xlabel & xticks on bottom - inset.top = margins.row * (1/3); - inset.bottom = margins.row * (2/3); - ## Matlab behavior is approximately ... - % inset.bottom = margins.row; - else - inset.bottom = margins.bottom; - inset.top = margins.top; - endif - if (cols > 1) - ## ylabel & yticks on left and some overhang for xticks on right - x = 0.1; - inset.right = x * margins.column; - inset.left = (1 - x) * margins.column; - else - inset.left = margins.left; - inset.right = margins.right; - endif - ## Apply the inset to the geometries for the "position" property. - margins.column = margins.column - inset.right - inset.left; - margins.row = margins.row - inset.top - inset.bottom; - width = width + inset.right + inset.left; - height = height + inset.top + inset.bottom; + ## The outer margins surrounding all subplot "positions" are independent + ## of the number of rows and/or columns + margins.left = defaultaxesposition(1); + margins.bottom = defaultaxesposition(2); + margins.right = 1.0 - margins.left - defaultaxesposition(3); + margins.top = 1.0 - margins.bottom - defaultaxesposition(4); + + ## Fit from Matlab experiments + pc = 1 ./ [0.1860, (margins.left + margins.right - 1)]; + margins.column = 1 ./ polyval (pc , cols); + pr = 1 ./ [0.2282, (margins.top + margins.bottom - 1)]; + margins.row = 1 ./ polyval (pr , rows); + + ## Calculate the width/height of the subplot axes "position". + ## This is also consistent with Matlab + width = 1 - margins.left - margins.right - (cols-1)*margins.column; + width = width / cols; + height = 1 - margins.top - margins.bottom - (rows-1)*margins.row; + height = height / rows; endif ## Index offsets from the lower left subplot @@ -265,12 +271,6 @@ x0 = xi .* (width + margins.column) + margins.left; y0 = yi .* (height + margins.row) + margins.bottom; - if (strcmp (position_property, "outerposition") ) - ## Shift from position(1:2) to outerposition(1:2) - x0 = x0 - inset.left; - y0 = y0 - inset.bottom; - endif - if (numel(x0) > 1) ## subplot (row, col, m:n) x1 = max (x0(:)) + width;
--- a/scripts/polynomial/mkpp.m +++ b/scripts/polynomial/mkpp.m @@ -17,50 +17,66 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Function File} {@var{pp} =} mkpp (@var{x}, @var{p}) -## @deftypefnx {Function File} {@var{pp} =} mkpp (@var{x}, @var{p}, @var{d}) +## @deftypefn {Function File} {@var{pp} =} mkpp (@var{breaks}, @var{coefs}) +## @deftypefnx {Function File} {@var{pp} =} mkpp (@var{breaks}, @var{coefs}, @var{d}) +## +## Construct a piece-wise polynomial (pp) structure from sample points +## @var{breaks} and coefficients @var{coefs}. @var{breaks} must be a vector of +## strictly increasing values. The number of intervals is given by +## @code{@var{ni} = length (@var{breaks}) - 1}. +## When @var{m} is the polynomial order @var{coefs} must be of +## size: @var{ni} x @var{m} + 1. ## -## Construct a piecewise polynomial structure from sample points -## @var{x} and coefficients @var{p}. The i-th row of @var{p}, -## @code{@var{p} (@var{i},:)}, contains the coefficients for the polynomial -## over the @var{i}-th interval, ordered from highest to -## lowest. There must be one row for each interval in @var{x}, so -## @code{rows (@var{p}) == length (@var{x}) - 1}. +## The i-th row of @var{coefs}, +## @code{@var{coefs} (@var{i},:)}, contains the coefficients for the polynomial +## over the @var{i}-th interval, ordered from highest (@var{m}) to +## lowest (@var{0}). ## -## @var{p} may also be a multi-dimensional array, specifying a vector-valued -## or array-valued polynomial. The shape is determined by @var{d}. If @var{d} -## is -## not given, the default is @code{size (p)(1:end-2)}. If @var{d} is given, the -## leading dimensions of @var{p} are reshaped to conform to @var{d}. +## @var{coefs} may also be a multi-dimensional array, specifying a vector-valued +## or array-valued polynomial. In that case the polynomial order is defined +## by the length of the last dimension of @var{coefs}. +## The size of first dimension(s) are given by the scalar or +## vector @var{d}. If @var{d} is not given it is set to @code{1}. +## In any case @var{coefs} is reshaped to a 2d matrix of +## size @code{[@var{ni}*prod(@var{d} @var{m})] } ## ## @seealso{unmkpp, ppval, spline} ## @end deftypefn function pp = mkpp (x, P, d) + + # check number of arguments if (nargin < 2 || nargin > 3) print_usage (); endif - pp.x = x(:); - n = length (x) - 1; - if (n < 1) + + # check x + if (length (x) < 2) error ("mkpp: at least one interval is needed"); endif - nd = ndims (P); - k = size (P, nd); - if (nargin < 3) - if (nd == 2) - d = 1; - else - d = prod (size (P)(1:nd-1)); - endif + + if (!isvector (x)) + error ("mkpp: x must be a vector"); endif - pp.d = d; - pp.P = P = reshape (P, prod (d), [], k); - pp.orient = 0; + + len = length (x) - 1; + dP = length (size (P)); - if (size (P, 2) != n) - error ("mkpp: num intervals in X doesn't match num polynomials in P"); - endif + pp = struct ("form", "pp", + "breaks", x(:).', + "coefs", [], + "pieces", len, + "order", prod (size (P)) / len, + "dim", 1); + + if (nargin == 3) + pp.dim = d; + pp.order /= prod (d); + endif + + dim_vec = [pp.pieces * prod(pp.dim), pp.order]; + pp.coefs = reshape (P, dim_vec); + endfunction %!demo # linear interpolation @@ -72,3 +88,25 @@ %! xi=linspace(0,pi,50); %! plot(x,t,"x",xi,ppval(pp,xi)); %! legend("control","interp"); + +%!shared b,c,pp +%! b = 1:3; c = 1:24; pp=mkpp(b,c); +%!assert (pp.pieces,2); +%!assert (pp.order,12); +%!assert (pp.dim,1); +%!assert (size(pp.coefs),[2,12]); +%! pp=mkpp(b,c,2); +%!assert (pp.pieces,2); +%!assert (pp.order,6); +%!assert (pp.dim,2); +%!assert (size(pp.coefs),[4,6]); +%! pp=mkpp(b,c,3); +%!assert (pp.pieces,2); +%!assert (pp.order,4); +%!assert (pp.dim,3); +%!assert (size(pp.coefs),[6,4]); +%! pp=mkpp(b,c,[2,3]); +%!assert (pp.pieces,2); +%!assert (pp.order,2); +%!assert (pp.dim,[2,3]); +%!assert (size(pp.coefs),[12,2]);
--- a/scripts/polynomial/pchip.m +++ b/scripts/polynomial/pchip.m @@ -27,8 +27,8 @@ ## ## The variable @var{x} must be a strictly monotonic vector (either ## increasing or decreasing). While @var{y} can be either a vector or -## array. In the case where @var{y} is a vector, it must have a length -## of @var{n}. If @var{y} is an array, then the size of @var{y} must +## an array. In the case where @var{y} is a vector, it must have the +## length @var{n}. If @var{y} is an array, then the size of @var{y} must ## have the form ## @tex ## $$[s_1, s_2, \cdots, s_k, n]$$ @@ -73,15 +73,22 @@ print_usage (); endif + ## make row vector x = x(:).'; n = length (x); ## Check the size and shape of y if (isvector (y)) - y = y(:).'; + y = y(:).'; ##row vector szy = size (y); + if !(size_equal (x, y)) + error ("pchip: length of X and Y must match") + endif else szy = size (y); + if (n != szy(end)) + error ("pchip: length of X and last dimension of Y must match") + endif y = reshape (y, [prod(szy(1:end-1)), szy(end)]); endif @@ -94,16 +101,12 @@ error("pchip: X must be strictly monotonic"); endif - if (columns (y) != n) - error("pchip: size of X and Y must match"); - endif - - f1 = y(:,1:n-1); + f1 = y(:, 1:n-1); ## Compute derivatives. d = __pchip_deriv__ (x, y, 2); - d1 = d(:,1:n-1); - d2 = d(:,2:n); + d1 = d(:, 1:n-1); + d2 = d(:, 2:n); ## This is taken from SLATEC. h = diag (h); @@ -114,14 +117,12 @@ c3 = del1 + del2; c2 = -c3 - del1; c3 = c3 / h; - coeffs = cat (3, c3, c2, d1, f1); - pp = mkpp (x, coeffs, szy(1:end-1)); - if (nargin == 2) - ret = pp; - else - ret = ppval (pp, xi); + ret = mkpp (x, coeffs, szy(1:end-1)); + + if (nargin == 3) + ret = ppval (ret, xi); endif endfunction @@ -138,7 +139,7 @@ %! %------------------------------------------------------------------- %! % confirm that pchip agreed better to discontinuous data than spline -%!shared x,y +%!shared x,y,y2,pp,yi1,yi2,yi3 %! x = 0:8; %! y = [1, 1, 1, 1, 0.5, 0, 0, 0, 0]; %!assert (pchip(x,y,x), y); @@ -148,3 +149,23 @@ %!assert (isempty(pchip(x',y',[]))); %!assert (isempty(pchip(x,y,[]))); %!assert (pchip(x,[y;y],x), [pchip(x,y,x);pchip(x,y,x)]) +%!assert (pchip(x,[y;y],x'), [pchip(x,y,x);pchip(x,y,x)]) +%!assert (pchip(x',[y;y],x), [pchip(x,y,x);pchip(x,y,x)]) +%!assert (pchip(x',[y;y],x'), [pchip(x,y,x);pchip(x,y,x)]) +%!test +%! x=(0:8)*pi/4;y=[sin(x);cos(x)]; +%! y2(:,:,1)=y;y2(:,:,2)=y+1;y2(:,:,3)=y-1; +%! pp=pchip(x,shiftdim(y2,2)); +%! yi1=ppval(pp,(1:4)*pi/4); +%! yi2=ppval(pp,repmat((1:4)*pi/4,[5,1])); +%! yi3=ppval(pp,[pi/2,pi]); +%!assert(size(pp.coefs),[48,4]); +%!assert(pp.pieces,8); +%!assert(pp.order,4); +%!assert(pp.dim,[3,2]); +%!assert(ppval(pp,pi),[0,-1;1,0;-1,-2],1e-14); +%!assert(yi3(:,:,2),ppval(pp,pi),1e-14); +%!assert(yi3(:,:,1),[1,0;2,1;0,-1],1e-14); +%!assert(squeeze(yi1(1,2,:)),[1/sqrt(2); 0; -1/sqrt(2);-1],1e-14); +%!assert(size(yi2),[3,2,5,4]); +%!assert(squeeze(yi2(1,2,3,:)),[1/sqrt(2); 0; -1/sqrt(2);-1],1e-14); \ No newline at end of file
--- a/scripts/polynomial/ppder.m +++ b/scripts/polynomial/ppder.m @@ -17,28 +17,54 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Function File} {@var{ppd} =} ppder (@var{pp}) -## Compute the piecewise derivative of the piecewise polynomial struct @var{pp}. +## @deftypefn {Function File} {ppd =} ppder (pp, m) +## Computes the piecewise @var{m}-th derivative of a piecewise polynomial +## struct @var{pp}. If @var{m} is omitted the first derivate is +## calculated. ## @seealso{mkpp, ppval, ppint} ## @end deftypefn -function ppd = ppder (pp) - if (nargin != 1) +function ppd = ppder (pp, m) + + if ((nargin < 1) || (nargin > 2)) print_usage (); + elseif (nargin == 1) + m = 1; endif - if (! isstruct (pp)) + + if !(isstruct (pp) && strcmp (pp.form, "pp")) error ("ppder: PP must be a structure"); endif [x, p, n, k, d] = unmkpp (pp); - p = reshape (p, [], k); - if (k <= 1) - pd = zeros (rows (p), 1); - k = 1; + + if (k - m <= 0) + x = [x(1) x(end)]; + pd = zeros (prod (d), 1); else - k -= 1; - pd = p(:,1:k) * diag (k:-1:1); + f = k : -1 : 1; + ff = bincoeff (f, m + 1) .* factorial (m + 1) ./ f; + k -= m; + pd = p(:,1:k) * diag (ff(1:k)); endif + ppd = mkpp (x, pd, d); endfunction +%!shared x,y,pp,ppd +%! x=0:8;y=[x.^2;x.^3+1];pp=spline(x,y); +%! ppd=ppder(pp); +%!assert(ppval(ppd,x),[2*x;3*x.^2],1e-14) +%!assert(ppd.order,3) +%! ppd=ppder(pp,2); +%!assert(ppval(ppd,x),[2*ones(size(x));6*x],1e-14) +%!assert(ppd.order,2) +%! ppd=ppder(pp,3); +%!assert(ppd.order,1) +%!assert(ppd.pieces,8) +%!assert(size(ppd.coefs),[16,1]) +%! ppd=ppder(pp,4); +%!assert(ppd.order,1) +%!assert(ppd.pieces,1) +%!assert(size(ppd.coefs),[2,1]) +%!assert(ppval(ppd,x),zeros(size(y)),1e-14)
--- a/scripts/polynomial/ppint.m +++ b/scripts/polynomial/ppint.m @@ -28,7 +28,7 @@ if (nargin < 1 || nargin > 2) print_usage (); endif - if (! isstruct (pp)) + if (! isstruct (pp) && strcmp (pp.form, "pp")) error ("ppint: PP must be a structure"); endif @@ -39,17 +39,20 @@ pi = p / diag (k:-1:1); k += 1; if (nargin == 1) - pi(:,k) = 0; + pi(:, k) = 0; else - pi(:,k) = repmat (c(:), n, 1); + pi(:, k) = repmat (c(:), n, 1); endif ppi = mkpp (x, pi, d); - ## Adjust constants so the the result is continuous. - - jumps = reshape (ppjumps (ppi), prod (d), n-1); - ppi.P(:,2:n,k) -= cumsum (jumps, 2); - + tmp = -cumsum (ppjumps (ppi), length (d) + 1); + ppi.coefs(prod(d)+1:end, k) = tmp(:); + endfunction +%!shared x,y,pp,ppi +%! x=0:8;y=[ones(size(x));x+1];pp=spline(x,y); +%! ppi=ppint(pp); +%!assert(ppval(ppi,x),[x;0.5*x.^2+x],1e-14) +%!assert(ppi.order,5)
--- a/scripts/polynomial/ppjumps.m +++ b/scripts/polynomial/ppjumps.m @@ -28,29 +28,31 @@ if (nargin != 1) print_usage (); endif - if (! isstruct (pp)) + + if (! isstruct (pp) && strcmp (pp.form, "pp")) error ("ppjumps: PP must be a structure"); endif ## Extract info. - x = pp.x; - P = pp.P; - d = pp.d; - [nd, n, k] = size (P); + [x, P, n, k, d] = unmkpp(pp); + nd = length (d) + 1; ## Offsets. - dx = diff (x(1:n)).'; - dx = dx(ones (1, nd), :); # spread (do nothing in 1D) + dx = diff(x(1:n)); + dx = repmat (dx, [prod(d), 1]); + dx = reshape (dx, [d, n-1]); + dx = shiftdim (dx, nd - 1); - ## Use Horner scheme to get limits from the left. - llim = P(:,1:n-1,1); - for i = 2:k; + ## Use Horner scheme. + if (k>1) + llim = shiftdim (reshape (P(1:(n-1) * prod(d), 1), [d, n-1]), nd - 1); + endif + + for i = 2 : k; llim .*= dx; - llim += P(:,1:n-1,i); + llim += shiftdim (reshape (P(1:(n-1) * prod (d), i), [d, n-1]), nd - 1); endfor - - rlim = P(:,2:n,k); # limits from the right - jumps = reshape (rlim - llim, [d, n-1]); - + + rlim = shiftdim (ppval (pp, x(2:end-1)), nd - 1); + jumps = shiftdim (rlim - llim, 1); endfunction -
--- a/scripts/polynomial/ppval.m +++ b/scripts/polynomial/ppval.m @@ -18,16 +18,18 @@ ## -*- texinfo -*- ## @deftypefn {Function File} {@var{yi} =} ppval (@var{pp}, @var{xi}) -## Evaluate piecewise polynomial @var{pp} at the points @var{xi}. -## If @var{pp} is scalar-valued, the result is an array of the same shape as -## @var{xi}. -## Otherwise, the size of the result is @code{[pp.d, length(@var{xi})]} if -## @var{xi} is a vector, or @code{[pp.d, size(@var{xi})]} if it is a -## multi-dimensional array. If pp.orient is 1, the dimensions are permuted as +## Evaluate piece-wise polynomial structure @var{pp} at the points @var{xi}. +## If @var{pp} describes a scalar polynomial function, the result is an +## array of the same shape as @var{xi}. +## Otherwise, the size of the result is @code{[pp.dim, length(@var{xi})]} if +## @var{xi} is a vector, or @code{[pp.dim, size(@var{xi})]} if it is a +## multi-dimensional array. +## +##, the dimensions are permuted as ## in interp1, to ## @code{[pp.d, length(@var{xi})]} and @code{[pp.d, size(@var{xi})]} ## respectively. -## @seealso{mkpp, unmkpp, spline} +## @seealso{mkpp, unmkpp, spline, pchip, interp1} ## @end deftypefn function yi = ppval (pp, xi) @@ -35,48 +37,85 @@ if (nargin != 2) print_usage (); endif - if (! isstruct (pp)) - error ("ppval: PP must be a structure"); + if (! isstruct (pp) && strcmp (pp.form, "pp")) + error ("ppval: expects a pp-form structure"); endif ## Extract info. - x = pp.x; - P = pp.P; - d = pp.d; - k = size (P, 3); - nd = size (P, 1); - - ## Determine resulting shape. - if (d == 1) # scalar case - yisz = size (xi); - elseif (isvector (xi)) # this is special - yisz = [d, length(xi)]; - else # general - yisz = [d, size(xi)]; + [x, P, n, k, d] = unmkpp (pp); + + ## dimension checks + sxi = size (xi); + if (isvector (xi)) + xi = xi(:).'; endif + + nd = length (d); ## Determine intervals. - xi = xi(:); xn = numel (xi); - idx = lookup (x, xi, "lr"); + P = reshape (P, [d, n * k]); + P = shiftdim (P, nd); + P = reshape (P, [n, k, d]); + Pidx = P(idx(:), :);#2d matrix size x: coefs*prod(d) y: prod(sxi) + + if (isvector(xi)) + Pidx = reshape (Pidx, [xn, k, d]); + Pidx = shiftdim (Pidx, 1); + dimvec = [d, xn]; + else + Pidx = reshape (Pidx, [sxi, k, d]); + Pidx = shiftdim (Pidx, length (sxi)); + dimvec = [d, sxi]; + end + ndv = length (dimvec); + ## Offsets. - dx = (xi - x(idx)).'; - dx = dx(ones (1, nd), :); # spread (do nothing in 1D) + dx = (xi - x(idx)); + dx = repmat (dx, [prod(d), 1]); + dx = reshape (dx, dimvec); + dx = shiftdim (dx, ndv - 1); ## Use Horner scheme. - yi = P(:,idx,1); - for i = 2:k; + yi = Pidx; + if (k > 1) + yi = shiftdim (reshape (Pidx(1,:), dimvec), ndv - 1); + endif + + for i = 2 : k; yi .*= dx; - yi += P(:,idx,i); + yi += shiftdim (reshape (Pidx(i,:), dimvec), ndv - 1); endfor - + ## Adjust shape. - yi = reshape (yi, yisz); - if (d != 1 && pp.orient == 1) - ## Switch dimensions to match interp1 order. - yi = shiftdim (yi, length (d)); + if ((numel (xi) > 1) || (length (d) == 1)) + yi = reshape (shiftdim (yi, 1), dimvec); endif + if (isvector (xi) && (d == 1)) + yi = reshape (yi, sxi); + elseif (isfield (pp, "orient") && strcmp (pp.orient, "first")) + yi = shiftdim(yi, nd); + endif + + ## + #if (d == 1) + # yi = reshape (yi, sxi); + #endif + endfunction + +%!shared b,c,pp,pp2,xi,abserr +%! b = 1:3; c = ones(2); pp=mkpp(b,c);abserr = 1e-14;pp2=mkpp(b,[c;c],2); +%! xi = [1.1 1.3 1.9 2.1]; +%!assert (ppval(pp,1.1), 1.1, abserr); +%!assert (ppval(pp,2.1), 1.1, abserr); +%!assert (ppval(pp,xi), [1.1 1.3 1.9 1.1], abserr); +%!assert (ppval(pp,xi.'), [1.1 1.3 1.9 1.1].', abserr); +%!assert (ppval(pp2,1.1), [1.1;1.1], abserr); +%!assert (ppval(pp2,2.1), [1.1;1.1], abserr); +%!assert (ppval(pp2,xi), [1.1 1.3 1.9 1.1;1.1 1.3 1.9 1.1], abserr); +%!assert (ppval(pp2,xi'), [1.1 1.3 1.9 1.1;1.1 1.3 1.9 1.1], abserr); +%!assert (size(ppval(pp2,[xi;xi])), [2 2 4]);
--- a/scripts/polynomial/spline.m +++ b/scripts/polynomial/spline.m @@ -83,15 +83,15 @@ ## Check the size and shape of y ndy = ndims (y); szy = size (y); - if (ndy == 2 && (szy(1) == 1 || szy(2) == 1)) - if (szy(1) == 1) + if (ndy == 2 && (szy(1) == n || szy(2) == n)) + if (szy(2) == n) a = y.'; else a = y; szy = fliplr (szy); endif else - a = reshape (y, [prod(szy(1:end-1)), szy(end)]).'; + a = shiftdim (reshape (y, [prod(szy(1:end-1)), szy(end)]), 1); endif for k = (1:columns (a))(any (isnan (a))) @@ -120,9 +120,9 @@ if (n == 2) d = (dfs + dfe) / (x(2) - x(1)) ^ 2 + ... - 2 * (a(1,:) - a(2,:)) / (x(2) - x(1)) ^ 3; + 2 * (a(1,:) - a(2,:)) / (x(2) - x(1)) ^ 3; c = (-2 * dfs - dfe) / (x(2) - x(1)) - ... - 3 * (a(1,:) - a(2,:)) / (x(2) - x(1)) ^ 2; + 3 * (a(1,:) - a(2,:)) / (x(2) - x(1)) ^ 2; b = dfs; a = a(1,:); @@ -132,7 +132,7 @@ a = a(1:n-1,:); else if (n == 3) - dg = 1.5 * h(1) - 0.5 * h(2); + dg = 1.5 * h(1) - 0.5 * h(2); c(2:n-1,:) = 1/dg(1); else dg = 2 * (h(1:n-2) .+ h(2:n-1)); @@ -153,9 +153,9 @@ endif c(1,:) = (3 / h(1) * (a(2,:) - a(1,:)) - 3 * dfs - - c(2,:) * h(1)) / (2 * h(1)); + - c(2,:) * h(1)) / (2 * h(1)); c(n,:) = - (3 / h(n-1) * (a(n,:) - a(n-1,:)) - 3 * dfe - + c(n-1,:) * h(n-1)) / (2 * h(n-1)); + + c(n-1,:) * h(n-1)) / (2 * h(n-1)); b(1:n-1,:) = diff (a) ./ h(1:n-1, idx) ... - h(1:n-1,idx) / 3 .* (c(2:n,:) + 2 * c(1:n-1,:)); d = diff (c) ./ (3 * h(1:n-1, idx)); @@ -229,15 +229,14 @@ - h(1:n-1, idx) / 3 .* (c(2:n,:) + 2 * c(1:n-1,:)); d = diff (c) ./ (3 * h(1:n-1, idx)); - d = d(1:n-1,:); - c = c(1:n-1,:); - b = b(1:n-1,:); - a = a(1:n-1,:); + d = d(1:n-1,:);d = d.'(:); + c = c(1:n-1,:);c = c.'(:); + b = b(1:n-1,:);b = b.'(:); + a = a(1:n-1,:);a = a.'(:); endif endif - coeffs = cat (3, d.', c.', b.', a.'); - ret = mkpp (x, coeffs, szy(1:end-1)); + ret = mkpp (x, cat (2, d, c, b, a), szy(1:end-1)); if (nargin == 3) ret = ppval (ret, xi); @@ -263,6 +262,9 @@ %!assert (isempty(spline(x',y',[]))); %!assert (isempty(spline(x,y,[]))); %!assert (spline(x,[y;y],x), [spline(x,y,x);spline(x,y,x)],abserr) +%!assert (spline(x,[y;y],x'), [spline(x,y,x);spline(x,y,x)],abserr) +%!assert (spline(x',[y;y],x), [spline(x,y,x);spline(x,y,x)],abserr) +%!assert (spline(x',[y;y],x'), [spline(x,y,x);spline(x,y,x)],abserr) %! y = cos(x) + i*sin(x); %!assert (spline(x,y,x), y, abserr) %!assert (real(spline(x,y,x)), real(y), abserr);
--- a/scripts/polynomial/unmkpp.m +++ b/scripts/polynomial/unmkpp.m @@ -50,15 +50,13 @@ if (nargin == 0) print_usage (); endif - if (! isstruct (pp)) + if (! (isstruct (pp) && strcmp (pp.form, "pp"))) error ("unmkpp: expecting piecewise polynomial structure"); endif - x = pp.x; - P = pp.P; - n = size (P, 2); - k = size (P, 3); - d = pp.d; - if (d == 1) - P = reshape (P, n, k); - endif + x = pp.breaks; + P = pp.coefs; + n = pp.pieces; + k = pp.order; + d = pp.dim; + endfunction
--- a/scripts/signal/fftshift.m +++ b/scripts/signal/fftshift.m @@ -58,9 +58,7 @@ sz = size (x); sz2 = ceil (sz(dim) / 2); idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); idx{dim} = [sz2+1:sz(dim), 1:sz2]; retval = x(idx{:}); else
--- a/scripts/signal/ifftshift.m +++ b/scripts/signal/ifftshift.m @@ -45,10 +45,7 @@ nd = ndims (x); sz = size (x); sz2 = floor (sz(dim) / 2); - idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); idx{dim} = [sz2+1:sz(dim), 1:sz2]; retval = x(idx{:}); else
--- a/scripts/signal/unwrap.m +++ b/scripts/signal/unwrap.m @@ -55,11 +55,8 @@ error ("unwrap: DIM must be an integer and a valid dimension"); endif else - ## Find the first non-singleton dimension - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + ## Find the first non-singleton dimension. + (dim = find (sz > 1, 1)) || (dim = 1); endif rng = 2*pi; @@ -74,10 +71,7 @@ ## Take first order difference to see so that wraps will show up ## as large values, and the sign will show direction. - idx = cell (); - for i = 1:nd - idx{i} = 1:sz(i); - endfor + idx = repmat ({':'}, nd, 1); idx{dim} = [1,1:m-1]; d = x(idx{:}) - x;
--- a/scripts/sparse/module.mk +++ b/scripts/sparse/module.mk @@ -5,6 +5,7 @@ sparse/cgs.m \ sparse/colperm.m \ sparse/etreeplot.m \ + sparse/gmres.m \ sparse/gplot.m \ sparse/nonzeros.m \ sparse/pcg.m \
--- a/scripts/sparse/nonzeros.m +++ b/scripts/sparse/nonzeros.m @@ -27,12 +27,13 @@ print_usage (); endif - [i, j, t] = find (s); + [~, ~, t] = find (s); t = t(:); endfunction + %!assert(nonzeros([1,2;3,0]),[1;3;2]) %!assert(nonzeros([1,2,3,0]),[1;2;3]) %!assert(nonzeros(sparse([1,2;3,0])),[1;3;2])
--- a/scripts/sparse/svds.m +++ b/scripts/sparse/svds.m @@ -150,6 +150,8 @@ ## Scale everything by the 1-norm to make things more stable. b = A / max_a; b_opts = opts; + ## Call to eigs is always a symmetric matrix by construction + b_opts.issym = true; b_opts.tol = opts.tol / max_a; b_sigma = sigma; if (!ischar (b_sigma))
--- a/scripts/specfun/module.mk +++ b/scripts/specfun/module.mk @@ -7,6 +7,7 @@ specfun/factor.m \ specfun/factorial.m \ specfun/isprime.m \ + specfun/lcm.m \ specfun/legendre.m \ specfun/nchoosek.m \ specfun/nthroot.m \
--- a/scripts/specfun/nthroot.m +++ b/scripts/specfun/nthroot.m @@ -35,8 +35,9 @@ ## @end group ## @end example ## -## @var{n} must be a scalar. If @var{n} is not an even integer and @var{X} has -## negative entries, an error is produced. +## @var{x} must have all real entries. @var{n} must be a scalar. +## If @var{n} is an even integer and @var{X} has negative entries, an +## error is produced. ## @seealso{realsqrt, sqrt, cbrt} ## @end deftypefn @@ -46,7 +47,11 @@ print_usage (); endif - if (! isscalar (n)) + if (any (iscomplex (x(:)))) + error ("nthroot: X must not contain complex values"); + endif + + if (! isscalar (n) || n == 0) error ("nthroot: N must be a nonzero scalar"); endif @@ -58,7 +63,7 @@ y = 1 ./ nthroot (x, -n); else ## Compute using power. - if (n == round (n) && mod (n, 2) == 1) + if (n == fix (n) && mod (n, 2) == 1) y = abs (x) .^ (1/n) .* sign (x); elseif (any (x(:) < 0)) error ("nthroot: if X contains negative values, N must be an odd integer"); @@ -66,7 +71,7 @@ y = x .^ (1/n); endif - if (finite (n) && n > 0 && n == round (n)) + if (finite (n) && n > 0 && n == fix (n)) ## Correction. y = ((n-1)*y + x ./ (y.^(n-1))) / n; y = merge (finite (y), y, x); @@ -76,8 +81,18 @@ endfunction -%!assert(nthroot(-32,5), -2); -%!assert(nthroot(81,4), 3); -%!assert(nthroot(Inf,4), Inf); -%!assert(nthroot(-Inf,7), -Inf); -%!assert(nthroot(-Inf,-7), 0); +%!assert (nthroot(-32,5), -2); +%!assert (nthroot(81,4), 3); +%!assert (nthroot(Inf,4), Inf); +%!assert (nthroot(-Inf,7), -Inf); +%!assert (nthroot(-Inf,-7), 0); + +%% Test input validation +%!error (nthroot ()) +%!error (nthroot (1)) +%!error (nthroot (1,2,3)) +%!error (nthroot (1+j,2)) +%!error (nthroot (1,[1 2])) +%!error (nthroot (1,0)) +%!error (nthroot (-1,2)) +
--- a/scripts/special-matrix/module.mk +++ b/scripts/special-matrix/module.mk @@ -8,7 +8,6 @@ special-matrix/magic.m \ special-matrix/pascal.m \ special-matrix/rosser.m \ - special-matrix/sylvester_matrix.m \ special-matrix/toeplitz.m \ special-matrix/vander.m \ special-matrix/wilkinson.m
--- a/scripts/startup/module.mk +++ b/scripts/startup/module.mk @@ -3,24 +3,22 @@ startup_FCN_FILES = \ startup/__finish__.m +LOCAL_STARTUP_FILE_SRC = startup/local-rcfile + SYSTEM_STARTUP_FILE_SRC = startup/main-rcfile SYSTEM_INPUTRC_FILE_SRC = startup/inputrc -LOCAL_STARTUP_FILE_SRC = startup/local-rcfile - STARTUP_FILE_SRC = \ + $(LOCAL_STARTUP_FILE_SRC) \ $(SYSTEM_STARTUP_FILE_SRC) \ - $(SYSTEM_INPUTRC_FILE_SRC) \ - $(LOCAL_STARTUP_FILE_SRC) + $(SYSTEM_INPUTRC_FILE_SRC) FCN_FILES += \ - $(startup_FCN_FILES) \ - $(SYSTEM_STARTUP_FILE_SRC) \ - $(LOCAL_STARTUP_FILE_SRC) + $(startup_FCN_FILES) EXTRA_DIST += \ - $(SYSTEM_INPUTRC_FILE_SRC) + $(STARTUP_FILE_SRC) PKG_ADD_FILES += startup/PKG_ADD
--- a/scripts/statistics/base/center.m +++ b/scripts/statistics/base/center.m @@ -23,7 +23,7 @@ ## If @var{x} is a vector, subtract its mean. ## If @var{x} is a matrix, do the above for each column. ## If the optional argument @var{dim} is given, operate along this dimension. -## @seealso{studentize} +## @seealso{zscore} ## @end deftypefn ## Author: KH <Kurt.Hornik@wu-wien.ac.at> @@ -35,7 +35,7 @@ print_usage (); endif - if (!isnumeric (x)) + if (! (isnumeric (x) || islogical (x))) error ("center: X must be a numeric vector or matrix"); endif @@ -47,10 +47,7 @@ sz = size (x); if (nargin != 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -58,25 +55,28 @@ endif endif - n = size (x, dim); + n = sz(dim); if (n == 0) retval = x; else - retval = bsxfun (@minus, x, sum (x, dim) / n); + retval = bsxfun (@minus, x, mean (x, dim)); endif endfunction %!assert(center ([1,2,3]), [-1,0,1]) +%!assert(center (single([1,2,3])), single([-1,0,1])) %!assert(center (int8 ([1,2,3])), [-1,0,1]) +%!assert(center (logical ([1, 0, 0, 1])), [0.5, -0.5, -0.5, 0.5]) %!assert(center (ones (3,2,0,2)), zeros (3,2,0,2)) +%!assert(center (ones (3,2,0,2, 'single')), zeros (3,2,0,2, 'single')) %!assert(center (magic (3)), [3,-4,1;-2,0,2;-1,4,-3]) +%!assert(center ([1 2 3; 6 5 4], 2), [-1 0 1; 1 0 -1]) %% Test input validation %!error center () %!error center (1, 2, 3) -%!error center ([true true]) %!error center (1, ones(2,2)) %!error center (1, 1.5) %!error center (1, 0)
--- a/scripts/statistics/base/cor.m +++ b/scripts/statistics/base/cor.m @@ -35,6 +35,7 @@ endfunction + %!test %! x = rand (10, 2); %! assert (cor (x), corrcoef (x), 5*eps);
--- a/scripts/statistics/base/corrcoef.m +++ b/scripts/statistics/base/corrcoef.m @@ -52,16 +52,15 @@ print_usage (); endif - if (! (isnumeric (x) && isnumeric (y))) - error ("corrcoef: X and Y must be numeric matrices or vectors"); - endif + ## Input validation is done by cov.m. Don't repeat tests here - if (ndims (x) != 2 || ndims (y) != 2) - error ("corrcoef: X and Y must be 2-D matrices or vectors"); - endif - + ## Special case, scalar is always 100% correlated with itself if (isscalar (x)) - retval = 1; + if (isa (x, 'single')) + retval = single (1); + else + retval = 1; + endif return; endif @@ -79,20 +78,35 @@ endfunction + %!test %! x = rand (10); %! cc1 = corrcoef (x); %! cc2 = corrcoef (x, x); -%! assert((size (cc1) == [10, 10] && size (cc2) == [10, 10] -%! && abs (cc1 - cc2) < sqrt (eps))); +%! assert (size (cc1) == [10, 10] && size (cc2) == [10, 10]); +%! assert (cc1, cc2, sqrt (eps)); + +%!test +%! x = [1:3]'; +%! y = [3:-1:1]'; +%! assert (corrcoef (x,y), -1, 5*eps) +%! assert (corrcoef (x,flipud (y)), 1, 5*eps) +%! assert (corrcoef ([x, y]), [1 -1; -1 1], 5*eps) -%!assert(corrcoef (5), 1); +%!test +%! x = single ([1:3]'); +%! y = single ([3:-1:1]'); +%! assert (corrcoef (x,y), single (-1), 5*eps) +%! assert (corrcoef (x,flipud (y)), single (1), 5*eps) +%! assert (corrcoef ([x, y]), single ([1 -1; -1 1]), 5*eps) + +%!assert (corrcoef (5), 1); +%!assert (corrcoef (single(5)), single(1)); %% Test input validation %!error corrcoef (); %!error corrcoef (1, 2, 3); -%!error corrcoef ([true, true]); -%!error corrcoef ([1, 2], [true, true]); +%!error corrcoef ([1; 2], ["A", "B"]); %!error corrcoef (ones (2,2,2)); %!error corrcoef (ones (2,2), ones (2,2,2));
--- a/scripts/statistics/base/cov.m +++ b/scripts/statistics/base/cov.m @@ -67,7 +67,8 @@ print_usage (); endif - if (! (isnumeric (x) && isnumeric (y))) + if ( ! (isnumeric (x) || islogical (x)) + || ! (isnumeric (y) || islogical (y))) error ("cov: X and Y must be numeric matrices or vectors"); endif @@ -75,7 +76,7 @@ error ("cov: X and Y must be 2-D matrices or vectors"); endif - if (nargin == 2 && isscalar(y)) + if (nargin == 2 && isscalar (y)) opt = y; endif @@ -83,22 +84,27 @@ error ("cov: normalization OPT must be 0 or 1"); endif + ## Special case, scalar has zero covariance if (isscalar (x)) - c = 0; + if (isa (x, 'single')) + c = single (0); + else + c = 0; + endif return; endif - if (rows (x) == 1) - x = x'; + if (isrow (x)) + x = x.'; endif n = rows (x); - if (nargin == 1 || isscalar(y)) + if (nargin == 1 || isscalar (y)) x = center (x, 1); c = conj (x' * x / (n - 1 + opt)); else - if (rows (y) == 1) - y = y'; + if (isrow (y)) + y = y.'; endif if (rows (y) != n) error ("cov: X and Y must have the same number of observations"); @@ -110,17 +116,36 @@ endfunction + %!test %! x = rand (10); %! cx1 = cov (x); %! cx2 = cov (x, x); -%! assert(size (cx1) == [10, 10] && size (cx2) == [10, 10] && norm(cx1-cx2) < 1e1*eps); +%! assert(size (cx1) == [10, 10] && size (cx2) == [10, 10]); +%! assert(cx1, cx2, 1e1*eps); + +%!test +%! x = [1:3]'; +%! y = [3:-1:1]'; +%! assert (cov (x,y), -1, 5*eps) +%! assert (cov (x,flipud (y)), 1, 5*eps) +%! assert (cov ([x, y]), [1 -1; -1 1], 5*eps) + +%!test +%! x = single ([1:3]'); +%! y = single ([3:-1:1]'); +%! assert (cov (x,y), single (-1), 5*eps) +%! assert (cov (x,flipud (y)), single (1), 5*eps) +%! assert (cov ([x, y]), single ([1 -1; -1 1]), 5*eps) %!test %! x = [1:5]; %! c = cov (x); -%! assert(isscalar (c)); -%! assert(c, 2.5); +%! assert (isscalar (c)); +%! assert (c, 2.5); + +%!assert(cov (5), 0); +%!assert(cov (single(5)), single(0)); %!test %! x = [1:5]; @@ -129,13 +154,10 @@ %! c = cov (x, 1); %! assert(c, 2); -%!assert(cov (5), 0); - %% Test input validation %!error cov (); %!error cov (1, 2, 3, 4); -%!error cov ([true, true]); -%!error cov ([1, 2], [true, true]); +%!error cov ([1; 2], ["A", "B"]); %!error cov (ones (2,2,2)); %!error cov (ones (2,2), ones (2,2,2)); %!error cov (1, 3);
--- a/scripts/statistics/base/gls.m +++ b/scripts/statistics/base/gls.m @@ -82,10 +82,21 @@ if (rx != ry) error ("gls: number of rows of X and Y must be equal"); endif - if (!issquare(o) || ro != ry*cy) + if (!issquare (o) || ro != ry*cy) error ("gls: matrix O must be square matrix with rows = rows (Y) * cols (Y)"); endif + if (isinteger (x)) + x = double (x); + endif + if (isinteger (y)) + y = double (y); + endif + if (isinteger (o)) + o = double (o); + endif + + ## Start of algorithm o = o^(-1/2); z = kron (eye (cy), x); z = o * z; @@ -116,7 +127,7 @@ %! y = 3*x + 2; %! x = [x, ones(5,1)]; %! o = diag (ones (5,1)); -%! assert (gls (y,x,o), [3; 2], 50*eps) +%! assert (gls (y,x,o), [3; 2], 50*eps); %% Test input validation %!error gls ()
--- a/scripts/statistics/base/histc.m +++ b/scripts/statistics/base/histc.m @@ -61,7 +61,7 @@ error ("histc: EDGES must be real-valued, not complex"); else ## Make sure 'edges' is sorted - edges = edges (:); + edges = edges(:); if (!issorted (edges) || edges(1) > edges(end)) warning ("histc: edge values not sorted on input"); edges = sort (edges); @@ -72,10 +72,7 @@ sz = size (x); if (nargin < 3) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -103,25 +100,25 @@ ## Prepare indices idx1 = cell (1, dim-1); for k = 1:length (idx1) - idx1 {k} = 1:sz(k); + idx1{k} = 1:sz(k); endfor idx2 = cell (length (sz) - dim); for k = 1:length (idx2) - idx2 {k} = 1:sz(k+dim); + idx2{k} = 1:sz(k+dim); endfor ## Compute the histograms for k = 1:num_edges-1 b = (edges (k) <= x & x < edges (k+1)); - n (idx1 {:}, k, idx2 {:}) = sum (b, dim); + n(idx1{:}, k, idx2{:}) = sum (b, dim); if (nargout > 1) - idx (b) = k; + idx(b) = k; endif endfor b = (x == edges (end)); - n (idx1 {:}, num_edges, idx2 {:}) = sum (b, dim); + n(idx1{:}, num_edges, idx2{:}) = sum (b, dim); if (nargout > 1) - idx (b) = num_edges; + idx(b) = num_edges; endif else @@ -160,6 +157,7 @@ endfunction + %!test %! x = linspace (0, 10, 1001); %! n = histc (x, 0:10);
--- a/scripts/statistics/base/iqr.m +++ b/scripts/statistics/base/iqr.m @@ -39,7 +39,7 @@ print_usage (); endif - if (!(ismatrix (x) && isnumeric (x)) || isscalar(x)) + if (! (isnumeric (x) || islogical (x))) error ("iqr: X must be a numeric vector or matrix"); endif @@ -48,10 +48,7 @@ nel = numel (x); if (nargin != 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -60,27 +57,33 @@ endif ## This code is a bit heavy, but is needed until empirical_inv - ## takes other than vector arguments. - c = sz(dim); + ## can take a matrix, rather than just a vector argument. + n = sz(dim); sz(dim) = 1; - y = zeros (sz); + if (isa (x, 'single')) + y = zeros (sz, 'single'); + else + y = zeros (sz); + endif stride = prod (sz(1:dim-1)); - for i = 1 : nel / c; + for i = 1 : nel / n; offset = i; offset2 = 0; while (offset > stride) offset -= stride; offset2++; endwhile - offset += offset2 * stride * c; - rng = [0 : c-1] * stride + offset; + offset += offset2 * stride * n; + rng = [0 : n-1] * stride + offset; - y (i) = empirical_inv (3/4, x(rng)) - empirical_inv (1/4, x(rng)); + y(i) = diff (empirical_inv ([1/4, 3/4], x(rng))); endfor endfunction + %!assert (iqr (1:101), 50); +%!assert (iqr (single(1:101)), single(50)); %%!test %%! x = [1:100]; @@ -90,5 +93,6 @@ %!error iqr (); %!error iqr (1, 2, 3); %!error iqr (1); -%!error iqr ([true, true]); +%!error iqr (['A'; 'B']); %!error iqr (1:10, 3); +
--- a/scripts/statistics/base/kendall.m +++ b/scripts/statistics/base/kendall.m @@ -74,7 +74,8 @@ print_usage (); endif - if (! (isnumeric (x) && isnumeric (y))) + if ( ! (isnumeric (x) || islogical (x)) + || ! (isnumeric (y) || islogical (y))) error ("kendall: X and Y must be numeric matrices or vectors"); endif @@ -82,14 +83,14 @@ error ("kendall: X and Y must be 2-D matrices or vectors"); endif - if (rows (x) == 1) - x = x'; + if (isrow (x)) + x = x.'; endif [n, c] = size (x); if (nargin == 2) - if (rows (y) == 1) - y = y'; + if (isrow (y)) + y = y.'; endif if (rows (y) != n) error ("kendall: X and Y must have the same number of observations"); @@ -98,22 +99,36 @@ endif endif + if (isa (x, 'single') || isa (y, 'single')) + cls = 'single'; + else + cls = 'double'; + endif r = ranks (x); - m = sign (kron (r, ones (n, 1)) - kron (ones (n, 1), r)); + m = sign (kron (r, ones (n, 1, cls)) - kron (ones (n, 1, cls), r)); tau = corrcoef (m); if (nargin == 2) - tau = tau (1 : c, (c + 1) : columns (x)); + tau = tau(1 : c, (c + 1) : columns (x)); endif endfunction +%!test +%! x = [1:2:10]; +%! y = [100:10:149]; +%! assert (kendall (x,y), 1, 5*eps); +%! assert (kendall (x,fliplr (y)), -1, 5*eps); + +%!assert (kendall (logical(1)), 1); +%!assert (kendall (single(1)), single(1)); + %% Test input validation %!error kendall (); %!error kendall (1, 2, 3); -%!error kendall ([true, true]); -%!error kendall (ones(1,2), [true, true]); +%!error kendall (['A'; 'B']); +%!error kendall (ones(2,1), ['A'; 'B']); %!error kendall (ones (2,2,2)); %!error kendall (ones (2,2), ones (2,2,2)); %!error kendall (ones (2,2), ones (3,2));
--- a/scripts/statistics/base/kurtosis.m +++ b/scripts/statistics/base/kurtosis.m @@ -54,7 +54,7 @@ print_usage (); endif - if (!isnumeric (x)) + if (! (isnumeric (x) || islogical (x))) error ("kurtosis: X must be a numeric vector or matrix"); endif @@ -62,10 +62,7 @@ sz = size (x); if (nargin != 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -73,16 +70,14 @@ endif endif - c = sz(dim); + n = sz(dim); sz(dim) = 1; - idx = ones (1, nd); - idx(dim) = c; - x = x - repmat (mean (x, dim), idx); + x = center (x, dim); # center also promotes integer to double for next line retval = zeros (sz, class (x)); s = std (x, [], dim); + idx = find (s > 0); x = sum (x.^4, dim); - ind = find (s > 0); - retval(ind) = x(ind) ./ (c * s(ind) .^ 4) - 3; + retval(idx) = x(idx) ./ (n * s(idx) .^ 4) - 3; endfunction @@ -90,12 +85,14 @@ %!test %! x = [-1; 0; 0; 0; 1]; %! y = [x, 2*x]; -%! assert(all (abs (kurtosis (y) - [-1.4, -1.4]) < sqrt (eps))); +%! assert (kurtosis (y), [-1.4, -1.4], sqrt (eps)); + +%!assert (kurtosis (single(1)), single(0)); %% Test input validation %!error kurtosis () %!error kurtosis (1, 2, 3) -%!error kurtosis (true(1,2)) +%!error kurtosis (['A'; 'B']) %!error kurtosis (1, ones(2,2)) %!error kurtosis (1, 1.5) %!error kurtosis (1, 0)
--- a/scripts/statistics/base/logit.m +++ b/scripts/statistics/base/logit.m @@ -47,6 +47,7 @@ endfunction + %!test %! p = [0.01:0.01:0.99]; %! assert(logit (p), log (p ./ (1-p)), 25*eps)
--- a/scripts/statistics/base/mahalanobis.m +++ b/scripts/statistics/base/mahalanobis.m @@ -34,7 +34,8 @@ print_usage (); endif - if (! (isnumeric (x) && isnumeric (y))) + if ( ! (isnumeric (x) || islogical (x)) + || ! (isnumeric (y) || islogical (y))) error ("mahalanobis: X and Y must be numeric matrices or vectors"); endif @@ -49,11 +50,16 @@ error ("mahalanobis: X and Y must have the same number of columns"); endif + if (isinteger (x)) + x = double (x); + endif + xm = mean (x); ym = mean (y); - x = x - ones (xr, 1) * xm; - y = y - ones (yr, 1) * ym; + ## Center data by subtracting means + x = bsxfun (@minus, x, xm); + y = bsxfun (@minus, y, ym); w = (x' * x + y' * y) / (xr + yr - 2); @@ -63,11 +69,12 @@ endfunction + %% Test input validation %!error mahalanobis (); %!error mahalanobis (1, 2, 3); -%!error mahalanobis ([true], [true]); -%!error mahalanobis ([1, 2], [true, true]); +%!error mahalanobis ('A', 'B'); +%!error mahalanobis ([1, 2], ['A', 'B']); %!error mahalanobis (ones (2,2,2)); %!error mahalanobis (ones (2,2), ones (2,2,2)); %!error mahalanobis (ones (2,2), ones (2,3));
--- a/scripts/statistics/base/mean.m +++ b/scripts/statistics/base/mean.m @@ -69,15 +69,15 @@ error ("mean: X must be a numeric vector or matrix"); endif - need_dim = 0; + need_dim = false; if (nargin == 1) opt = "a"; - need_dim = 1; + need_dim = true; elseif (nargin == 2) if (ischar (opt1)) opt = opt1; - need_dim = 1; + need_dim = true; else dim = opt1; opt = "a"; @@ -100,22 +100,15 @@ sz = size (x); if (need_dim) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; + (dim = find (sz > 1, 1)) || (dim = 1); + else + if (!(isscalar (dim) && dim == fix (dim)) + || !(1 <= dim && dim <= nd)) + error ("mean: DIM must be an integer and a valid dimension"); endif endif - if (!(isscalar (dim) && dim == fix (dim)) - || !(1 <= dim && dim <= nd)) - error ("mean: DIM must be an integer and a valid dimension"); - endif - - if (dim > nd) - n = 1; - else - n = sz(dim); - endif + n = sz(dim); if (strcmp (opt, "a")) y = sum (x, dim) / n; @@ -129,6 +122,7 @@ endfunction + %!test %! x = -10:10; %! y = x'; @@ -137,9 +131,12 @@ %! assert(mean (y) == 0); %! assert(mean (z) == [0, 10]); +%!assert(mean (magic(3), 1), [5, 5, 5]); +%!assert(mean (magic(3), 2), [5; 5; 5]); %!assert(mean ([2 8], 'g'), 4); %!assert(mean ([4 4 2], 'h'), 3); %!assert(mean (logical ([1 0 1 1])), 0.75); +%!assert(mean (single ([1 0 1 1])), single (0.75)); %% Test input validation %!error mean ();
--- a/scripts/statistics/base/meansq.m +++ b/scripts/statistics/base/meansq.m @@ -52,7 +52,7 @@ print_usage (); endif - if (!isnumeric (x)) + if (! (isnumeric (x) || islogical (x))) error ("mean: X must be a numeric vector or matrix"); endif @@ -60,29 +60,28 @@ sz = size (x); if (nargin < 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; + (dim = find (sz > 1, 1)) || (dim = 1); + else + if (!(isscalar (dim) && dim == fix (dim)) + || !(1 <= dim && dim <= nd)) + error ("mean: DIM must be an integer and a valid dimension"); endif endif - if (!(isscalar (dim) && dim == fix (dim)) - || !(1 <= dim && dim <= nd)) - error ("mean: DIM must be an integer and a valid dimension"); - endif - - y = sumsq (x, dim) / size (x, dim); + y = sumsq (x, dim) / sz(dim); endfunction -%!assert(meansq (1:5), 11) -%!assert(meansq (magic (4)), [94.5, 92.5, 92.5, 94.5]) +%!assert(meansq (1:5), 11); +%!assert(meansq (single(1:5)), single(11)); +%!assert(meansq (magic (4)), [94.5, 92.5, 92.5, 94.5]); +%!assert(meansq (magic (4), 2), [109.5; 77.5; 77.5; 109.5]); %% Test input validation %!error meansq () %!error meansq (1, 2, 3) -%!error kurtosis ([true true]) +%!error meansq (['A'; 'B']); %!error meansq (1, ones(2,2)) %!error meansq (1, 1.5) %!error meansq (1, 0)
--- a/scripts/statistics/base/median.m +++ b/scripts/statistics/base/median.m @@ -55,18 +55,19 @@ print_usage (); endif - if (!isnumeric (x)) + if (! (isnumeric (x) || islogical (x))) error ("median: X must be a numeric vector or matrix"); endif + if (isempty (x)) + error ("median: X cannot be an empty matrix"); + endif + nd = ndims (x); sz = size (x); - if (nargin != 2) + if (nargin < 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -74,22 +75,19 @@ endif endif - if (numel (x) > 0) - n = size (x, dim); - k = floor ((n+1) / 2); - if (mod (n, 2) == 1) - retval = nth_element (x, k, dim); - else - retval = mean (nth_element (x, k:k+1, dim), dim); - endif - ## Inject NaNs where needed, to be consistent with Matlab. - retval(any (isnan (x), dim)) = NaN; + n = sz(dim); + k = floor ((n+1) / 2); + if (mod (n, 2) == 1) + retval = nth_element (x, k, dim); else - error ("median: invalid matrix argument"); + retval = mean (nth_element (x, k:k+1, dim), dim); endif + ## Inject NaNs where needed, to be consistent with Matlab. + retval(any (isnan (x), dim)) = NaN; endfunction + %!test %! x = [1, 2, 3, 4, 5, 6]; %! x2 = x'; @@ -101,13 +99,14 @@ %! assert(median ([x2, 2*x2]) == [3.5, 7]); %! assert(median ([y2, 3*y2]) == [4, 12]); +%!assert(median (single([1,2,3])), single(2)); %!assert(median ([1,2,NaN;4,5,6;NaN,8,9]), [NaN, 5, NaN]); %% Test input validation %!error median (); %!error median (1, 2, 3); %!error median ({1:5}); -%!error median (true(1,5)); +%!error median (['A'; 'B']); %!error median (1, ones(2,2)); %!error median (1, 1.5); %!error median (1, 0);
--- a/scripts/statistics/base/mode.m +++ b/scripts/statistics/base/mode.m @@ -39,18 +39,15 @@ print_usage (); endif - if (!isnumeric(x)) + if (! (isnumeric (x) || islogical (x))) error ("mode: X must be a numeric vector or matrix"); endif nd = ndims (x); sz = size (x); - if (nargin != 2) + if (nargin < 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == round (dim)) || !(1 <= dim && dim <= nd)) @@ -78,11 +75,11 @@ t = cat (dim, true (sz2), diff (xs, 1, dim) != 0); if (dim != 1) - t2 (permute (t != 0, perm)) = diff ([find(permute (t, perm))(:); prod(sz)+1]); + t2(permute (t != 0, perm)) = diff ([find(permute (t, perm))(:); prod(sz)+1]); f = max (ipermute (t2, perm), [], dim); xs = permute (xs, perm); else - t2 (t) = diff ([find(t)(:); prod(sz)+1]); + t2(t) = diff ([find(t)(:); prod(sz)+1]); f = max (t2, [], dim); endif @@ -90,14 +87,15 @@ if (issparse (x)) m = sparse (sz2(1), sz2(2)); else - m = zeros (sz2); + m = zeros (sz2, class (x)); endif for i = 1 : prod (sz2) - c{i} = xs (t2 (:, i) == f(i), i); - m (i) = c{i}(1); + c{i} = xs(t2(:, i) == f(i), i); + m(i) = c{i}(1); endfor endfunction + %!test %! [m, f, c] = mode (toeplitz (1:5)); %! assert (m, [1,2,2,2,1]); @@ -116,13 +114,15 @@ %! assert (f, sparse (f2)); %! assert (c, cellfun (@(x) sparse (0), c2, 'uniformoutput', false)); -%!assert(mode([2,3,1,2,3,4],1),[2,3,1,2,3,4]) -%!assert(mode([2,3,1,2,3,4],2),2) -%!assert(mode([2,3,1,2,3,4]),2) +%!assert(mode ([2,3,1,2,3,4],1),[2,3,1,2,3,4]); +%!assert(mode ([2,3,1,2,3,4],2),2); +%!assert(mode ([2,3,1,2,3,4]),2); +%!assert(mode (single([2,3,1,2,3,4])), single(2)); +%!assert(mode (int8([2,3,1,2,3,4])), int8(2)); -%!assert(mode([2;3;1;2;3;4],1),2) -%!assert(mode([2;3;1;2;3;4],2),[2;3;1;2;3;4]) -%!assert(mode([2;3;1;2;3;4]),2) +%!assert(mode ([2;3;1;2;3;4],1),2); +%!assert(mode ([2;3;1;2;3;4],2),[2;3;1;2;3;4]); +%!assert(mode ([2;3;1;2;3;4]),2); %!shared x %! x(:,:,1) = toeplitz (1:3); @@ -157,7 +157,7 @@ %!error mode () %!error mode (1, 2, 3) %!error mode ({1 2 3}) -%!error mode (true(1,3)) +%!error mode (['A'; 'B']) %!error mode (1, ones(2,2)) %!error mode (1, 1.5) %!error mode (1, 0)
--- a/scripts/statistics/base/module.mk +++ b/scripts/statistics/base/module.mk @@ -33,9 +33,9 @@ statistics/base/spearman.m \ statistics/base/statistics.m \ statistics/base/std.m \ - statistics/base/studentize.m \ statistics/base/table.m \ - statistics/base/var.m + statistics/base/var.m \ + statistics/base/zscore.m FCN_FILES += $(statistics_base_FCN_FILES)
--- a/scripts/statistics/base/moment.m +++ b/scripts/statistics/base/moment.m @@ -110,27 +110,27 @@ function m = moment (x, p, opt1, opt2) - if ((nargin < 2) || (nargin > 4)) + if (nargin < 2 || nargin > 4) print_usage (); endif - if (!isnumeric(x) || isempty(x) ) + if (!(isnumeric (x) || islogical (x)) || isempty (x)) error ("moment: X must be a non-empty numeric matrix or vector"); endif - if (!(isnumeric(p) && isscalar(p))) + if (! (isnumeric (p) && isscalar (p))) error ("moment: P must be a numeric scalar"); endif - need_dim = 0; + need_dim = false; if (nargin == 2) type = ""; - need_dim = 1; + need_dim = true; elseif (nargin == 3) if (ischar (opt1)) type = opt1; - need_dim = 1; + need_dim = true; else dim = opt1; type = ""; @@ -151,10 +151,7 @@ sz = size (x); if (need_dim) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -164,10 +161,8 @@ n = sz(dim); - if any (type == "c") - rng = ones (1, length (sz)); - rng(dim) = sz(dim); - x = x - repmat (sum (x, dim), rng) / n; + if (any (type == "c")) + x = center (x, dim); endif if any (type == "a") x = abs (x); @@ -178,11 +173,21 @@ endfunction +%!test +%! x = rand (10); +%! assert (moment (x,1), mean (x), 1e1*eps); +%! assert (moment (x,2), meansq (x), 1e1*eps); +%! assert (moment (x,1,2), mean (x,2), 1e1*eps); +%! assert (moment (x,1,'c'), mean (center (x)), 1e1*eps); +%! assert (moment (x,1,'a'), mean (abs (x)), 1e1*eps); + +%!assert (moment (single([1 2 3]),1), single(2)); + %% Test input validation %!error moment () %!error moment (1) %!error moment (1, 2, 3, 4, 5) -%!error moment ([true true], 2) +%!error moment (['A'; 'B'], 2) %!error moment (ones(2,0,3), 2) %!error moment (1, true) %!error moment (1, ones(2,2))
--- a/scripts/statistics/base/ols.m +++ b/scripts/statistics/base/ols.m @@ -100,6 +100,14 @@ error ("ols: number of rows of X and Y must be equal"); endif + if (isinteger (x)) + x = double (x); + endif + if (isinteger (y)) + y = double (y); + endif + + ## Start of algorithm z = x' * x; rnk = rank (z); @@ -118,6 +126,7 @@ endfunction + %!test %! x = [1:5]'; %! y = 3*x + 2;
--- a/scripts/statistics/base/ppplot.m +++ b/scripts/statistics/base/ppplot.m @@ -77,6 +77,7 @@ endfunction + %% Test input validation %!error ppplot (); %!error ppplot (ones(2,2));
--- a/scripts/statistics/base/prctile.m +++ b/scripts/statistics/base/prctile.m @@ -40,52 +40,48 @@ ## Author: Ben Abbott <bpabbott@mac.com> ## Description: Matlab style prctile function. -function q = prctile (x, p, dim) +function q = prctile (x, p = [], dim) if (nargin < 1 || nargin > 3) print_usage (); endif - if (!isnumeric(x)) + if (! (isnumeric (x) || islogical (x))) error ("prctile: X must be a numeric vector or matrix"); endif - if (!isnumeric(p)) - error ("prctile: P must be a numeric vector"); + + if (isempty (p)) + p = [0, 25, 50, 75, 100]; endif - if (nargin == 1) - p = [0, 25, 50, 75, 100]; + if (! (isnumeric (p) && isvector (p))) + error ("prctile: P must be a numeric vector"); endif nd = ndims (x); if (nargin == 2) if (nd == 2) - ## If a matrix or vector, use the 1st dimension. + ## If a matrix or vector, always use 1st dimension. dim = 1; else ## If an N-d array, find the first non-singleton dimension. - dim = find (size(v) > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); endif else - if (!(isscalar (dim) && dim == fix (dim)) || - !(1 <= dim && dim <= nd)) + if (!(isscalar (dim) && dim == fix (dim)) + || !(1 <= dim && dim <= nd)) error ("prctile: DIM must be an integer and a valid dimension"); endif endif ## Convert from percent to decimal. - p = p / 100; + p /= 100; - ## The 5th method is compatible with Matlab. - method = 5; - - q = quantile (x, p, dim, method); + q = quantile (x, p, dim); endfunction + %!test %! pct = 50; %! q = prctile (1:4, pct, 1); @@ -171,8 +167,9 @@ %% Test input validation %!error prctile () %!error prctile (1, 2, 3, 4) -%!error prctile ([true, false], 10) +%!error prctile (['A'; 'B'], 10) %!error prctile (1:10, [true, false]) +%!error prctile (1:10, ones (2,2)) %!error prctile (1, 1, 1.5) %!error prctile (1, 1, 0) %!error prctile (1, 1, 3)
--- a/scripts/statistics/base/probit.m +++ b/scripts/statistics/base/probit.m @@ -27,10 +27,18 @@ function y = probit (p) - if (nargin == 1) - y = stdnormal_inv (p); - else + + if (nargin != 1) print_usage (); endif + y = stdnormal_inv (p); + endfunction + +%!assert(probit([-1, 0, 0.5, 1, 2]), [NaN, -Inf, 0, Inf, NaN]); + +%% Test input validation +%!error probit () +%!error probit (1, 2) +
--- a/scripts/statistics/base/quantile.m +++ b/scripts/statistics/base/quantile.m @@ -103,18 +103,26 @@ ## Author: Ben Abbott <bpabbott@mac.com> ## Description: Matlab style quantile function of a discrete/continuous distribution -function q = quantile (x, p, dim = 1, method = 5) +function q = quantile (x, p = [], dim = 1, method = 5) if (nargin < 1 || nargin > 4) print_usage (); endif - if (nargin < 2) + if (! (isnumeric (x) || islogical (x))) + error ("quantile: X must be a numeric vector or matrix"); + endif + + if (isempty (p)) p = [0.00 0.25, 0.50, 0.75, 1.00]; endif - if (!(isscalar (dim) && dim == fix (dim)) || - !(1 <= dim && dim <= ndims (x))) + if (! (isnumeric (p) && isvector (p))) + error ("quantile: P must be a numeric vector"); + endif + + if (!(isscalar (dim) && dim == fix (dim)) + || !(1 <= dim && dim <= ndims (x))) error ("quantile: DIM must be an integer and a valid dimension"); endif @@ -143,6 +151,7 @@ endfunction + %!test %! p = 0.5; %! x = sort (rand (11)); @@ -282,9 +291,14 @@ %% Test input validation %!error quantile () %!error quantile (1, 2, 3, 4, 5) +%!error quantile (['A'; 'B'], 10) +%!error quantile (1:10, [true, false]) +%!error quantile (1:10, ones (2,2)) %!error quantile (1, 1, 1.5) %!error quantile (1, 1, 0) %!error quantile (1, 1, 3) +%!error quantile ((1:5)', 0.5, 1, 0) +%!error quantile ((1:5)', 0.5, 1, 10) ## For the cumulative probability values in @var{p}, compute the ## quantiles, @var{q} (the inverse of the cdf), for the sample, @var{x}. @@ -304,37 +318,35 @@ print_usage (); endif - if (!isnumeric (x)) - error ("quantile: X must be a numeric vector or matrix"); + if (isinteger (x) || islogical (x)) + x = double (x); endif - ## Save length and set shape of quantiles. - n = numel (p); + ## set shape of quantiles to column vector. p = p(:); ## Save length and set shape of samples. ## FIXME: does sort guarantee that NaN's come at the end? x = sort (x); m = sum (! isnan (x)); - mx = size (x, 1); - nx = size (x, 2); + [xr, xc] = size (x); ## Initialize output values. - inv = Inf*(-(p < 0) + (p > 1)); - inv = repmat (inv, 1, nx); + inv = Inf (class (x)) * (-(p < 0) + (p > 1)); + inv = repmat (inv, 1, xc); ## Do the work. - if (any(k = find((p >= 0) & (p <= 1)))) + if (any (k = find ((p >= 0) & (p <= 1)))) n = length (k); - p = p (k); - ## Special case. - if (mx == 1) + p = p(k); + ## Special case of 1 row. + if (xr == 1) inv(k,:) = repmat (x, n, 1); - return + return; endif ## The column-distribution indices. - pcd = kron (ones (n, 1), mx*(0:nx-1)); + pcd = kron (ones (n, 1), xr*(0:xc-1)); mm = kron (ones (n, 1), m); switch (method) case {1, 2, 3} @@ -375,7 +387,7 @@ p = kron (p, m-1) + 1; case 8 - ## Median unbiased . + ## Median unbiased. p = kron (p, m+1/3) + 1/3; case 9 @@ -387,7 +399,7 @@ endswitch ## Duplicate single values. - imm1 = mm == 1; + imm1 = (mm == 1); x(2,imm1) = x(1,imm1); ## Interval indices.
--- a/scripts/statistics/base/range.m +++ b/scripts/statistics/base/range.m @@ -37,20 +37,24 @@ function y = range (x, dim) + if (nargin < 1 || nargin > 2) + print_usage (); + endif + if (nargin == 1) y = max (x) - min (x); - elseif (nargin == 2) + else y = max (x, [], dim) - min (x, [], dim); - else - print_usage (); endif endfunction -%!assert(range (1:10), 9) -%!assert(range (magic (3)), [5, 8, 5]) -%!assert(range (magic (3), 2), [7; 4; 7]) -%!assert(range (2), 0) + +%!assert(range (1:10), 9); +%!assert(range (single(1:10)), single(9)); +%!assert(range (magic (3)), [5, 8, 5]); +%!assert(range (magic (3), 2), [7; 4; 7]); +%!assert(range (2), 0); %% Test input validation %!error range ()
--- a/scripts/statistics/base/ranks.m +++ b/scripts/statistics/base/ranks.m @@ -37,7 +37,7 @@ print_usage (); endif - if (!isnumeric(x)) + if (! (isnumeric (x) || islogical (x))) error ("ranks: X must be a numeric vector or matrix"); endif @@ -45,10 +45,7 @@ sz = size (x); if (nargin != 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -89,18 +86,18 @@ endfunction -%!assert(ranks (1:2:10), 1:5) -%!assert(ranks (10:-2:1), 5:-1:1) -%!assert(ranks ([2, 1, 2, 4]), [2.5, 1, 2.5, 4]) -%!assert(ranks (ones(1, 5)), 3*ones(1, 5)) -%!assert(ranks (1e6*ones(1, 5)), 3*ones(1, 5)) -%!assert(ranks (rand (1, 5), 1), ones(1, 5)) +%!assert(ranks (1:2:10), 1:5); +%!assert(ranks (10:-2:1), 5:-1:1); +%!assert(ranks ([2, 1, 2, 4]), [2.5, 1, 2.5, 4]); +%!assert(ranks (ones(1, 5)), 3*ones(1, 5)); +%!assert(ranks (1e6*ones(1, 5)), 3*ones(1, 5)); +%!assert(ranks (rand (1, 5), 1), ones(1, 5)); %% Test input validation %!error ranks () %!error ranks (1, 2, 3) %!error ranks ({1, 2}) -%!error ranks (true(2,1)) +%!error ranks (['A'; 'B']) %!error ranks (1, 1.5) %!error ranks (1, 0) %!error ranks (1, 3)
--- a/scripts/statistics/base/run_count.m +++ b/scripts/statistics/base/run_count.m @@ -36,7 +36,7 @@ print_usage (); endif - if (!isnumeric(x)) + if (! (isnumeric (x) || islogical (x))) error ("run_count: X must be a numeric vector or matrix"); endif @@ -48,10 +48,7 @@ sz = size (x); if (nargin != 3) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) @@ -59,6 +56,7 @@ endif endif + ## Algorithm works on rows. Permute array if necessary, ipermute back at end if (dim != 1) perm = [1 : nd]; perm(1) = dim; @@ -76,7 +74,7 @@ infvec = Inf ([1, sz(2 : end)]); ind = find (diff ([infvec; x; -infvec]) < 0); - tmp(ind(2:end) - 1) = diff(ind); + tmp(ind(2:end) - 1) = diff (ind); tmp = tmp(idx{:}); sz(1) = n; @@ -86,7 +84,7 @@ retval(idx{:}) = sum (tmp == k); endfor idx{1} = n; - retval (idx{:}) = sum (tmp >= n); + retval(idx{:}) = sum (tmp >= n); if (dim != 1) retval = ipermute (retval, perm); @@ -105,7 +103,7 @@ %!error run_count (1) %!error run_count (1, 2, 3, 4) %!error run_count ({1, 2}, 3) -%!error run_count (true(3), 3) +%!error run_count (['A'; 'A'; 'B'], 3) %!error run_count (1:5, ones(2,2)) %!error run_count (1:5, 1.5) %!error run_count (1:5, -2)
--- a/scripts/statistics/base/runlength.m +++ b/scripts/statistics/base/runlength.m @@ -30,11 +30,12 @@ ## @end deftypefn function [count, value] = runlength (x) + if (nargin != 1) print_usage (); endif - if (!isnumeric (x) || !isvector (x)) + if (!(isnumeric (x) || islogical (x)) || !isvector (x)) error ("runlength: X must be a numeric vector"); endif @@ -47,8 +48,10 @@ if (nargout == 2) value = x(idx); endif + endfunction + %!assert (runlength([2 2 0 4 4 4 0 1 1 1 1]), [2 1 3 1 4]); %!assert (runlength([2 2 0 4 4 4 0 1 1 1 1]'), [2 1 3 1 4]); %!test @@ -59,5 +62,5 @@ %% Test input validation %!error runlength () %!error runlength (1, 2) -%!error runlength (true(1,2)) +%!error runlength (['A'; 'B']) %!error runlength (ones(2,2))
--- a/scripts/statistics/base/skewness.m +++ b/scripts/statistics/base/skewness.m @@ -51,7 +51,7 @@ print_usage (); endif - if (!isnumeric(x)) + if (! (isnumeric (x) || islogical (x))) error ("skewness: X must be a numeric vector or matrix"); endif @@ -59,10 +59,7 @@ sz = size (x); if (nargin != 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == round (dim)) || !(1 <= dim && dim <= nd)) @@ -70,19 +67,18 @@ endif endif - c = sz(dim); - idx = ones (1, nd); - idx(dim) = c; - x = x - repmat (mean (x, dim), idx); + n = sz(dim); sz(dim) = 1; + x = center (x, dim); # center also promotes integer to double for next line retval = zeros (sz, class (x)); s = std (x, [], dim); - ind = find (s > 0); + idx = find (s > 0); x = sum (x .^ 3, dim); - retval(ind) = x(ind) ./ (c * s(ind) .^ 3); + retval(idx) = x(idx) ./ (n * s(idx) .^ 3); endfunction + %!assert(skewness ([-1,0,1]), 0); %!assert(skewness ([-2,0,1]) < 0); %!assert(skewness ([-1,0,2]) > 0); @@ -92,10 +88,12 @@ %! y = [x, 2*x]; %! assert(all (abs (skewness (y) - [0.75, 0.75]) < sqrt (eps))); +%!assert (skewness (single(1)), single(0)); + %% Test input validation %!error skewness () %!error skewness (1, 2, 3) -%!error skewness ([true true]) +%!error skewness (['A'; 'B']) %!error skewness (1, ones(2,2)) %!error skewness (1, 1.5) %!error skewness (1, 0)
--- a/scripts/statistics/base/spearman.m +++ b/scripts/statistics/base/spearman.m @@ -39,11 +39,12 @@ function rho = spearman (x, y = []) - if ((nargin < 1) || (nargin > 2)) + if (nargin < 1 || nargin > 2) print_usage (); endif - if (! (isnumeric (x) && isnumeric (y))) + if ( ! (isnumeric (x) || islogical (x)) + || ! (isnumeric (y) || islogical (y))) error ("spearman: X and Y must be numeric matrices or vectors"); endif @@ -51,30 +52,43 @@ error ("spearman: X and Y must be 2-D matrices or vectors"); endif - if (rows (x) == 1) - x = x'; + if (isrow (x)) + x = x.'; endif - n = rows (x); if (nargin == 1) rho = corrcoef (ranks (x)); else - if (rows (y) == 1) - y = y'; + if (isrow (y)) + y = y.'; endif - if (rows (y) != n) + if (rows (x) != rows (y)) error ("spearman: X and Y must have the same number of observations"); endif rho = corrcoef (ranks (x), ranks (y)); endif + ## Restore class cleared by ranks + if (isa (x, 'single') || isa (y, 'single')) + rho = single (rho); + endif + endfunction + +%!test +%! x = 1:10; +%! y = exp (x); +%! assert (spearman (x,y), 1, 5*eps); +%! assert (spearman (x,-y), -1, 5*eps); + +%!assert(spearman ([1 2 3], [-1 1 -2]), -0.5, 5*eps) + %% Test input validation %!error spearman (); %!error spearman (1, 2, 3); -%!error spearman ([true, true]); -%!error spearman (ones(1,2), [true, true]); +%!error spearman (['A'; 'B']); +%!error spearman (ones(1,2), {1, 2}); %!error spearman (ones (2,2,2)); %!error spearman (ones (2,2), ones (2,2,2)); %!error spearman (ones (2,2), ones (3,2));
--- a/scripts/statistics/base/statistics.m +++ b/scripts/statistics/base/statistics.m @@ -38,7 +38,7 @@ print_usage (); endif - if (!isnumeric(x)) + if (! (isnumeric (x) || islogical (x))) error ("statistics: X must be a numeric vector or matrix"); endif @@ -46,10 +46,7 @@ sz = size (x); if (nargin != 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == round (dim)) || !(1 <= dim && dim <= nd)) @@ -68,16 +65,22 @@ endfunction + %!test -%! x = rand(7,5); +%! x = rand (7,5); %! s = statistics (x); -%! m = median (x); -%! assert (m, s(3,:), eps); +%! assert (min (x), s(1,:), eps); +%! assert (median (x), s(3,:), eps); +%! assert (max (x), s(5,:), eps); +%! assert (mean (x), s(6,:), eps); +%! assert (std (x), s(7,:), eps); +%! assert (skewness (x), s(8,:), eps); +%! assert (kurtosis (x), s(9,:), eps); %% Test input validation %!error statistics () %!error statistics (1, 2, 3) -%!error statistics ([true true]) +%!error statistics (['A'; 'B']) %!error statistics (1, ones(2,2)) %!error statistics (1, 1.5) %!error statistics (1, 0)
--- a/scripts/statistics/base/std.m +++ b/scripts/statistics/base/std.m @@ -67,7 +67,7 @@ print_usage (); endif - if (! (isnumeric (x))) + if (! (isnumeric (x) || islogical (x))) error ("std: X must be a numeric vector or matrix"); endif @@ -78,18 +78,25 @@ error ("std: normalization OPT must be 0 or 1"); endif + nd = ndims (x); sz = size (x); if (nargin < 3) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; + (dim = find (sz > 1, 1)) || (dim = 1); + else + if (!(isscalar (dim) && dim == fix (dim)) + || !(1 <= dim && dim <= nd)) + error ("std: DIM must be an integer and a valid dimension"); endif endif - n = size (x, dim); + n = sz(dim); if (n == 1) - retval = zeros (sz); + if (isa (x, 'single')) + retval = zeros (sz, 'single'); + else + retval = zeros (sz); + endif elseif (numel (x) > 0) retval = sqrt (sumsq (center (x, dim), dim) / (n - 1 + opt)); else @@ -102,14 +109,20 @@ %!test %! x = ones (10, 2); %! y = [1, 3]; -%! assert(std (x) == [0, 0] && abs (std (y) - sqrt (2)) < sqrt (eps)); -%! assert (std (x, 0, 3), zeros (10, 2)) -%! assert (std (ones (3, 1, 2), 0, 2), zeros (3, 1, 2)) +%! assert(std (x) == [0, 0]); +%! assert(std (y), sqrt (2), sqrt (eps)); +%! assert(std (x, 0, 2), zeros (10, 1)); + +%!assert(std (ones (3, 1, 2), 0, 2), zeros (3, 1, 2)); +%!assert(std ([1 2], 0), sqrt(2)/2, 5*eps); +%!assert(std ([1 2], 1), 0.5, 5*eps); +%!assert(std(1), 0); +%!assert(std(single(1)), single(0)); %% Test input validation %!error std (); %!error std (1, 2, 3, 4); -%!error std (true(1,2)) +%!error std (['A'; 'B']) %!error std (1, -1); %!error std ([], 1);
--- a/scripts/statistics/base/table.m +++ b/scripts/statistics/base/table.m @@ -60,6 +60,7 @@ endfunction + %% Test input validation %!error table () %!error table (1, 2, 3)
--- a/scripts/statistics/base/var.m +++ b/scripts/statistics/base/var.m @@ -64,7 +64,7 @@ print_usage (); endif - if (!isnumeric (x)) + if (! (isnumeric (x) || islogical (x))) error ("var: X must be a numeric vector or matrix"); endif @@ -75,16 +75,25 @@ error ("var: normalization OPT must be 0 or 1"); endif + nd = ndims (x); + sz = size (x); if (nargin < 3) - dim = find (size (x) > 1, 1); - if (isempty (dim)) - dim = 1; + ## Find the first non-singleton dimension. + (dim = find (sz > 1, 1)) || (dim = 1); + else + if (!(isscalar (dim) && dim == fix (dim)) + || !(1 <= dim && dim <= nd)) + error ("var: DIM must be an integer and a valid dimension"); endif endif - n = size (x, dim); + n = sz(dim); if (n == 1) - retval = zeros (size (x), class (x)); + if (isa (x, 'single')) + retval = zeros (sz, 'single'); + else + retval = zeros (sz); + endif elseif (numel (x) > 0) retval = sumsq (center (x, dim), dim) / (n - 1 + opt); else @@ -93,15 +102,17 @@ endfunction -%!assert (var (13), 0) -%!assert (var ([1,2,3]), 1) -%!assert (var ([1,2,3], 1), 2/3, eps) -%!assert (var ([1,2,3], [], 1), [0,0,0]) + +%!assert(var (13), 0); +%!assert(var (single(13)), single(0)); +%!assert(var ([1,2,3]), 1); +%!assert(var ([1,2,3], 1), 2/3, eps); +%!assert(var ([1,2,3], [], 1), [0,0,0]); %% Test input validation %!error var () %!error var (1,2,3,4) -%!error var (true(1,2)) +%!error var (['A'; 'B']) %!error var (1, -1); %!error var ([],1)
copy from scripts/statistics/base/studentize.m copy to scripts/statistics/base/zscore.m --- a/scripts/statistics/base/studentize.m +++ b/scripts/statistics/base/zscore.m @@ -17,8 +17,8 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Function File} {} studentize (@var{x}) -## @deftypefnx {Function File} {} studentize (@var{x}, @var{dim}) +## @deftypefn {Function File} {} zscore (@var{x}) +## @deftypefnx {Function File} {} zscore (@var{x}, @var{dim}) ## If @var{x} is a vector, subtract its mean and divide by its standard ## deviation. ## @@ -31,58 +31,54 @@ ## Author: KH <Kurt.Hornik@wu-wien.ac.at> ## Description: Subtract mean and divide by standard deviation -function t = studentize (x, dim) +function z = zscore (x, dim) if (nargin != 1 && nargin != 2) print_usage (); endif - if (! isnumeric(x)) - error ("studentize: X must be a numeric vector or matrix"); - endif - - if (isinteger (x)) - x = double (x); + if (! (isnumeric (x) || islogical (x))) + error ("zscore: X must be a numeric vector or matrix"); endif nd = ndims (x); sz = size (x); if (nargin != 2) ## Find the first non-singleton dimension. - dim = find (sz > 1, 1); - if (isempty (dim)) - dim = 1; - endif + (dim = find (sz > 1, 1)) || (dim = 1); else if (!(isscalar (dim) && dim == fix (dim)) || !(1 <= dim && dim <= nd)) - error ("studentize: DIM must be an integer and a valid dimension"); + error ("zscore: DIM must be an integer and a valid dimension"); endif endif - c = sz(dim); - if (c == 0) - t = x; + n = sz(dim); + if (n == 0) + z = x; else - idx = ones (1, nd); - idx(dim) = c; - t = x - repmat (mean (x, dim), idx); - t = t ./ repmat (max (cat (dim, std(t, [], dim), ! any (t, dim)), [], dim), idx); + x = center (x, dim); # center also promotes integer to double for next line + z = zeros (sz, class (x)); + s = std (x, [], dim); + s(s==0) = 1; + z = bsxfun (@rdivide, x, s); endif endfunction -%!assert(studentize ([1,2,3]), [-1,0,1]) -%!assert(studentize (int8 ([1,2,3])), [-1,0,1]) -#%!assert(studentize (ones (3,2,0,2)), zeros (3,2,0,2)) -%!assert(studentize ([2,0,-2;0,2,0;-2,-2,2]), [1,0,-1;0,1,0;-1,-1,1]) + +%!assert(zscore ([1,2,3]), [-1,0,1]) +%!assert(zscore (single([1,2,3])), single([-1,0,1])) +%!assert(zscore (int8([1,2,3])), [-1,0,1]) +%!assert(zscore (ones (3,2,2,2)), zeros (3,2,2,2)) +%!assert(zscore ([2,0,-2;0,2,0;-2,-2,2]), [1,0,-1;0,1,0;-1,-1,1]) %% Test input validation -%!error studentize () -%!error studentize (1, 2, 3) -%!error studentize ([true true]) -%!error studentize (1, ones(2,2)) -%!error studentize (1, 1.5) -%!error studentize (1, 0) -%!error studentize (1, 3) +%!error zscore () +%!error zscore (1, 2, 3) +%!error zscore (['A'; 'B']) +%!error zscore (1, ones(2,2)) +%!error zscore (1, 1.5) +%!error zscore (1, 0) +%!error zscore (1, 3)
--- a/scripts/statistics/distributions/logistic_inv.m +++ b/scripts/statistics/distributions/logistic_inv.m @@ -31,7 +31,11 @@ print_usage (); endif - inv = zeros (size (x)); + if (isa (x, 'single')) + inv = zeros (size (x), 'single'); + else + inv = zeros (size (x)); + endif k = find ((x < 0) | (x > 1) | isnan (x)); if (any (k))
--- a/scripts/strings/mat2str.m +++ b/scripts/strings/mat2str.m @@ -28,7 +28,7 @@ ## scalar then both real and imaginary parts of the matrix are printed ## to the same precision. Otherwise @code{@var{n} (1)} defines the ## precision of the real part and @code{@var{n} (2)} defines the -## precision of the imaginary part. The default for @var{n} is 17. +## precision of the imaginary part. The default for @var{n} is 15. ## ## If the argument 'class' is given, then the class of @var{x} is ## included in the string in such a way that the eval will result in the @@ -56,13 +56,13 @@ if (nargin < 2 || isempty (n)) ## Default precision - n = 17; + n = 15; endif if (nargin < 3) if (ischar (n)) cls = n; - n = 17; + n = 15; else cls = ""; endif @@ -137,3 +137,4 @@ %!assert (mat2str (true), "true"); %!assert (mat2str (false), "false"); %!assert (mat2str (logical (eye (2))), "[true,false;false,true]"); +%!assert (mat2str (0.7), "0.7")
--- a/scripts/testfun/demo.m +++ b/scripts/testfun/demo.m @@ -17,35 +17,39 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Command} {} demo @var{name} @var{n} +## @deftypefn {Command} {} demo @var{name} +## @deftypefnx {Command} {} demo @var{name} @var{n} +## @deftypefnx {Function File} {} demo ('@var{name}') ## @deftypefnx {Function File} {} demo ('@var{name}', @var{n}) ## -## Runs any examples associated with the function '@var{name}'. +## Run example code block @var{n} associated with the function @var{name}. +## If @var{n} is not specified, all examples are run. +## ## Examples are stored in the script file, or in a file with the same -## name but no extension somewhere on your path. To keep them separate -## from the usual script code, all lines are prefixed by @code{%!}. Each -## example is introduced by the keyword 'demo' flush left to the prefix, -## with no intervening spaces. The remainder of the example can contain -## arbitrary Octave code. For example: +## name but no extension located on Octave's load path. To keep examples +## separate from regular script code, all lines are prefixed by @code{%!}. Each +## example must also be introduced by the keyword 'demo' flush left to the +## prefix with no intervening spaces. The remainder of the example can +## contain arbitrary Octave code. For example: ## ## @example ## @group -## %!demo -## %! t=0:0.01:2*pi; x = sin(t); -## %! plot(t,x) -## %! %------------------------------------------------- -## %! % the figure window shows one cycle of a sine wave +## %!demo +## %! t=0:0.01:2*pi; x = sin(t); +## %! plot (t,x) +## %! %------------------------------------------------- +## %! % the figure window shows one cycle of a sine wave ## @end group ## @end example ## ## Note that the code is displayed before it is executed, so a simple -## comment at the end suffices. It is generally not necessary to use -## disp or printf within the demo. +## comment at the end suffices for labeling what is being shown. It is +## generally not necessary to use @code{disp} or @code{printf} within the demo. ## ## Demos are run in a function environment with no access to external -## variables. This means that all demos in your function must use -## separate initialization code. Alternatively, you can combine your -## demos into one huge demo, with the code: +## variables. This means that every demo must have separate initialization +## code. Alternatively, all demos can be combined into a single large demo +## with the code ## ## @example ## %! input("Press <enter> to continue: ","s"); @@ -53,11 +57,13 @@ ## ## @noindent ## between the sections, but this is discouraged. Other techniques -## include using multiple plots by saying figure between each, or -## using subplot to put multiple plots in the same window. +## to avoid multiple initialization blocks include using multiple plots +## with a new @code{figure} command between each plot, or using @code{subplot} +## to put multiple plots in the same window. ## -## Also, since demo evaluates inside a function context, you cannot -## define new functions inside a demo. Instead you will have to +## Also, because demo evaluates within a function context, you cannot +## define new functions inside a demo. If you must have function blocks, +## rather than just anonymous functions or inline functions, you will have to ## use @code{eval(example('function',n))} to see them. Because eval only ## evaluates one line, or one statement if the statement crosses ## multiple lines, you must wrap your demo in "if 1 <demo stuff> endif" @@ -73,6 +79,7 @@ ## %! endif ## @end group ## @end example +## ## @seealso{test, example} ## @end deftypefn @@ -88,20 +95,19 @@ if (nargin < 2) n = 0; - elseif (strcmp ("char", class (n))) + elseif (ischar (n)) n = str2double (n); endif [code, idx] = test (name, "grabdemo"); - if (length (idx) == 0) - warning ("demo not available for %s", name); + if (isempty (idx)) + warning ("no demo available for %s", name); return; elseif (n >= length (idx)) warning ("only %d demos available for %s", length (idx) - 1, name); return; endif - if (n > 0) doidx = n; else @@ -123,7 +129,7 @@ __demo__; catch ## Let the programmer know which demo failed. - printf ("%s example %d: failed\n%s\n", name, doidx(i), __error_text__); + printf ("%s example %d: failed\n%s\n", name, doidx(i), lasterr ()); end_try_catch clear __demo__; endfor @@ -132,6 +138,6 @@ %!demo %! t=0:0.01:2*pi; x = sin(t); -%! plot(t,x) +%! plot (t,x) %! %------------------------------------------------- %! % the figure window shows one cycle of a sine wave
--- a/scripts/testfun/example.m +++ b/scripts/testfun/example.m @@ -17,16 +17,18 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Command} {} example @var{name} @var{n} +## @deftypefn {Command} {} example @var{name} +## @deftypefnx {Command} {} example @var{name} @var{n} +## @deftypefnx {Function File} {} example ('@var{name}') ## @deftypefnx {Function File} {} example ('@var{name}', @var{n}) -## @deftypefnx {Function File} {[@var{x}, @var{idx}] =} example ('@var{name}', @var{n}) +## @deftypefnx {Function File} {[@var{s}, @var{idx}] =} example (@dots{}) ## -## Display the code for example @var{n} associated with the function -## '@var{name}', but do not run it. If @var{n} is not given, all examples +## Display the code for example @var{n} associated with the function +## '@var{name}', but do not run it. If @var{n} is not specified, all examples ## are displayed. ## -## Called with output arguments, the examples are returned in the form of -## a string @var{x}, with @var{idx} indicating the ending position of the +## When called with output arguments, the examples are returned in the form of +## a string @var{s}, with @var{idx} indicating the ending position of the ## various examples. ## ## See @code{demo} for a complete explanation. @@ -41,7 +43,7 @@ if (nargin < 2) n = 0; - elseif (strcmp ("char", class (n))) + elseif (ischar (n)) n = str2double (n); endif @@ -65,15 +67,16 @@ else doidx = 1:length(idx)-1; endif - if (length (idx) == 0) - warning ("example not available for %s", name); + if (isempty (idx)) + warning ("no example available for %s", name); + return; elseif (n >= length(idx)) warning ("only %d examples available for %s", length(idx)-1, name); - doidx = []; + return; endif for i = 1:length (doidx) - block = code (idx(doidx(i)):idx(doidx(i)+1)-1); + block = code(idx(doidx(i)):idx(doidx(i)+1)-1); printf ("%s example %d:%s\n\n", name, doidx(i), block); endfor endif @@ -82,17 +85,18 @@ %!## warning: don't modify the demos without modifying the tests! %!demo -%! example('example'); +%! example ('example'); %!demo -%! t=0:0.01:2*pi; x=sin(t); -%! plot(t,x) +%! t=0:0.01:2*pi; x = sin(t); +%! plot (t,x) -%!assert (example('example',1), "\n example('example');"); +%!assert (example('example',1), "\n example ('example');"); %!test -%! [code, idx] = example('example'); +%! [code, idx] = example ('example'); %! assert (code, ... -%! "\n example('example');\n t=0:0.01:2*pi; x=sin(t);\n plot(t,x)") -%! assert (idx, [1, 22, 59]); +%! "\n example ('example');\n t=0:0.01:2*pi; x = sin(t);\n plot (t,x)") +%! assert (idx, [1, 23, 63]); +%% Test input validation %!error example; -%!error example('example',3,5) +%!error example('example', 3, 5)
--- a/scripts/testfun/rundemos.m +++ b/scripts/testfun/rundemos.m @@ -35,6 +35,7 @@ if (is_absolute_filename (directory)) dirs = {directory}; else + directory = regexprep (directory, ['\',filesep(),'$'], ""); fullname = find_dir_in_path (directory); if (! isempty (fullname)) dirs = {fullname};
--- a/scripts/testfun/runtests.m +++ b/scripts/testfun/runtests.m @@ -35,6 +35,7 @@ if (is_absolute_filename (directory)) dirs = {directory}; else + directory = regexprep (directory, ['\',filesep(),'$'], ""); fullname = find_dir_in_path (directory); if (! isempty (fullname)) dirs = {fullname};
--- a/scripts/testfun/test.m +++ b/scripts/testfun/test.m @@ -132,7 +132,7 @@ __rundemo = 0; __verbose = 0; __demo_code = ""; - __demo_idx = 1; + __demo_idx = []; elseif (strcmp (__flag, "explain")) fprintf (__fid, "# %s new test file\n", __signal_file); fprintf (__fid, "# %s no tests in file\n", __signal_empty); @@ -286,7 +286,7 @@ input ("Press <enter> to continue: ", "s"); catch __success = 0; - __msg = sprintf ("%sdemo failed\n%s", __signal_fail, __error_text__); + __msg = sprintf ("%sdemo failed\n%s", __signal_fail, lasterr ()); end_try_catch clear __test__; @@ -359,7 +359,7 @@ catch __success = 0; __msg = sprintf ("%stest failed: syntax error\n%s", - __signal_fail, __error_text__); + __signal_fail, lasterr ()); end_try_catch endif __code = ""; @@ -389,7 +389,7 @@ catch __success = 0; __msg = sprintf ("%stest failed: syntax error\n%s", - __signal_fail, __error_text__); + __signal_fail, lasterr ()); end_try_catch if (__success) @@ -488,13 +488,13 @@ eval (sprintf ("%s__test__(%s);", __shared_r, __shared)); catch if (strcmp (__type, "xtest")) - __msg = sprintf ("%sknown failure\n%s", __signal_fail, __error_text__); + __msg = sprintf ("%sknown failure\n%s", __signal_fail, lasterr ()); __xfail++; else - __msg = sprintf ("%stest failed\n%s", __signal_fail, __error_text__); + __msg = sprintf ("%stest failed\n%s", __signal_fail, lasterr ()); __success = 0; endif - if (isempty (__error_text__)) + if (isempty (lasterr ())) error ("empty error text, probably Ctrl-C --- aborting"); endif end_try_catch
--- a/src/DLD-FUNCTIONS/__init_fltk__.cc +++ b/src/DLD-FUNCTIONS/__init_fltk__.cc @@ -648,13 +648,13 @@ begin (); { + canvas = new + OpenGL_fltk (0, 0, ww , hh - status_h, number ()); + uimenu = new fltk_uimenu(0, 0, ww, menu_h); uimenu->hide (); - canvas = new - OpenGL_fltk (0, 0, ww , hh - status_h, number ()); - bottom = new Fl_Box (0, hh - status_h,
--- a/src/DLD-FUNCTIONS/eigs.cc +++ b/src/DLD-FUNCTIONS/eigs.cc @@ -323,6 +323,7 @@ bool a_is_complex = false; bool b_is_complex = false; bool symmetric = false; + bool sym_tested = false; bool cholB = false; bool a_is_sparse = false; ColumnVector permB; @@ -399,7 +400,8 @@ else acm = (args(0).complex_matrix_value()); a_is_complex = true; - symmetric = false; // ARAPACK doesn't special case complex symmetric + symmetric = false; // ARPACK doesn't special case complex symmetric + sym_tested = true; } else { @@ -407,19 +409,17 @@ { asmm = (args(0).sparse_matrix_value()); a_is_sparse = true; - symmetric = asmm.is_symmetric(); } else { amm = (args(0).matrix_value()); - symmetric = amm.is_symmetric(); } } } // Note hold off reading B till later to avoid issues of double - // copies of the matrix if B is full/real while A is complex.. + // copies of the matrix if B is full/real while A is complex. if (!error_state && nargin > 1 + arg_offset && !(args(1 + arg_offset).is_real_scalar ())) { @@ -481,10 +481,13 @@ { octave_value tmp; - // issym is ignored if A is not a function + // issym is ignored for complex matrix inputs tmp = map.getfield ("issym"); - if (tmp.is_defined () && have_a_fun) - symmetric = tmp.double_value () != 0.; + if (tmp.is_defined () && !sym_tested) + { + symmetric = tmp.double_value () != 0.; + sym_tested = true; + } // isreal is ignored if A is not a function tmp = map.getfield ("isreal"); @@ -543,6 +546,15 @@ return retval; } + // Test undeclared (no issym) matrix inputs for symmetry + if (!sym_tested && !have_a_fun) + { + if (a_is_sparse) + symmetric = asmm.is_symmetric(); + else + symmetric = amm.is_symmetric(); + } + if (have_b) { if (a_is_complex || b_is_complex)
--- a/src/DLD-FUNCTIONS/quadcc.cc +++ b/src/DLD-FUNCTIONS/quadcc.cc @@ -50,8 +50,7 @@ int depth, rdepth, ndiv; } cquad_ival; -/* Some constants and matrices that we'll need. - */ +/* Some constants and matrices that we'll need. */ static const double xi[33] = { -1., -0.99518472667219688624, -0.98078528040323044912, @@ -1473,9 +1472,7 @@ } - -/* The actual integration routine. - */ +/* The actual integration routine. */ DEFUN_DLD (quadcc, args, nargout, "-*- texinfo -*-\n\ @@ -1545,6 +1542,7 @@ @seealso{quad, quadv, quadl, quadgk, trapz, dblquad, triplequad}\n\ @end deftypefn") { + octave_value_list retval; /* Some constants that we will need. */ static const int n[4] = { 4, 8, 16, 32 }; @@ -1563,11 +1561,11 @@ double a, b, tol, iivals[cquad_heapsize], *sing; /* Variables needed for transforming the integrand. */ - int wrap = 0; + bool wrap = false; double xw; /* Stuff we will need to call the integrand. */ - octave_value_list fargs, retval; + octave_value_list fargs, fvals; /* Actual variables (as opposed to constants above). */ double m, h, ml, hl, mr, hr, temp; @@ -1580,48 +1578,49 @@ /* Parse the input arguments. */ - if (nargin < 1) + if (nargin < 3) { - error - ("quadcc: first argument (integrand) of type function handle required"); - return octave_value_list (); + print_usage (); + return retval; } + + if (args(0).is_function_handle () || args(0).is_inline_function ()) + fcn = args(0).function_value (); else { - if (args (0).is_function_handle () || args (0).is_inline_function ()) - fcn = args (0).function_value (); - else - { - error ("quadcc: first argument (integrand) must be a function handle or an inline function"); - return octave_value_list(); - } + std::string fcn_name = unique_symbol_name ("__quadcc_fcn_"); + std::string fname = "function y = "; + fname.append (fcn_name); + fname.append ("(x) y = "); + fcn = extract_function (args(0), "quadcc", fcn_name, fname, + "; endfunction"); } - if (nargin < 2 || !args (1).is_real_scalar ()) + if (!args(1).is_real_scalar ()) { - error ("quadcc: second argument (left interval edge) must be a single real scalar"); - return octave_value_list (); + error ("quadcc: lower limit of integration (A) must be a single real scalar"); + return retval; } else - a = args (1).double_value (); + a = args(1).double_value (); - if (nargin < 3 || !args (2).is_real_scalar ()) + if (!args(2).is_real_scalar ()) { - error ("quadcc: third argument (right interval edge) must be a single real scalar"); - return octave_value_list (); + error ("quadcc: upper limit of integration (B) must be a single real scalar"); + return retval; } else - b = args (2).double_value (); + b = args(2).double_value (); - if (nargin < 4) + if (nargin < 4 || args(3).is_empty ()) tol = 1.0e-6; - else if (!args (3).is_real_scalar ()) + else if (!args(3).is_real_scalar () || args(3).double_value () <= 0) { - error ("quadcc: fourth argument (tolerance) must be a single real scalar"); - return octave_value_list (); + error ("quadcc: tolerance (TOL) must be a single real scalar > 0"); + return retval; } else - tol = args (3).double_value (); + tol = args(3).double_value (); if (nargin < 5) { @@ -1629,20 +1628,21 @@ iivals[0] = a; iivals[1] = b; } - else if (!(args (4).is_real_scalar () || args (4).is_real_matrix ())) + else if (!(args(4).is_real_scalar () || args(4).is_real_matrix ())) { - error ("quadcc: fifth argument (singularities) must be a vector of real values"); - return octave_value_list (); + error ("quadcc: list of singularities (SING) must be a vector of real values"); + return retval; } else { - nivals = 1 + args (4).length (); - if ( nivals > cquad_heapsize ) { - error ("quadcc: maximum number of singular points is limited to %i", - cquad_heapsize-1); - return octave_value_list(); + nivals = 1 + args(4).length (); + if (nivals > cquad_heapsize) + { + error ("quadcc: maximum number of singular points is limited to %i", + cquad_heapsize-1); + return retval; } - sing = args (4).array_value ().fortran_vec (); + sing = args(4).array_value ().fortran_vec (); iivals[0] = a; for (i = 0; i < nivals - 2; i++) iivals[i + 1] = sing[i]; @@ -1652,7 +1652,7 @@ /* If a or b are +/-Inf, transform the integral. */ if (xisinf (a) || xisinf (b)) { - wrap = 1; + wrap = true; for (i = 0; i <= nivals; i++) if (xisinf (iivals[i])) iivals[i] = copysign (1.0, iivals[i]); @@ -1688,19 +1688,18 @@ for (i = 0; i <= n[3]; i++) ex (i) = m + xi[i] * h; } - fargs (0) = ex; - retval = feval (fcn, fargs, 1); - if (retval.length () != 1 || !retval (0).is_real_matrix ()) + fargs(0) = ex; + fvals = feval (fcn, fargs, 1); + if (fvals.length () != 1 || !fvals(0).is_real_matrix ()) { - error - ("quadcc: integrand must return a single, real-valued vector"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector"); + return retval; } - Matrix effex = retval (0).matrix_value (); + Matrix effex = fvals(0).matrix_value (); if (effex.length () != ex.length ()) { - error ("quadcc: integrand must return a single, real-valued vector of the same size as the input"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector of the same size as the input"); + return retval; } for (i = 0; i <= n[3]; i++) { @@ -1809,18 +1808,18 @@ for (i = 0; i < n[d] / 2; i++) ex (i) = m + xi[(2 * i + 1) * skip[d]] * h; } - fargs (0) = ex; - retval = feval (fcn, fargs, 1); - if (retval.length () != 1 || !retval (0).is_real_matrix ()) + fargs(0) = ex; + fvals = feval (fcn, fargs, 1); + if (fvals.length () != 1 || !fvals(0).is_real_matrix ()) { - error ("quadcc: integrand must return a single, real-valued vector"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector"); + return retval; } - Matrix effex = retval (0).matrix_value (); + Matrix effex = fvals(0).matrix_value (); if (effex.length () != ex.length ()) { - error ("quadcc: integrand must return a single, real-valued vector of the same size as the input"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector of the same size as the input"); + return retval; } neval += effex.length (); for (i = 0; i < n[d] / 2; i++) @@ -1957,18 +1956,18 @@ for (i = 0; i < n[0] - 1; i++) ex (i) = ml + xi[(i + 1) * skip[0]] * hl; } - fargs (0) = ex; - retval = feval (fcn, fargs, 1); - if (retval.length () != 1 || !retval (0).is_real_matrix ()) + fargs(0) = ex; + fvals = feval (fcn, fargs, 1); + if (fvals.length () != 1 || !fvals(0).is_real_matrix ()) { - error ("quadcc: integrand must return a single, real-valued vector"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector"); + return retval; } - Matrix effex = retval (0).matrix_value (); + Matrix effex = fvals(0).matrix_value (); if (effex.length () != ex.length ()) { - error ("quadcc: integrand must return a single, real-valued vector of the same size as the input"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector of the same size as the input"); + return retval; } neval += effex.length (); for (i = 0; i < n[0] - 1; i++) @@ -2053,18 +2052,18 @@ for (i = 0; i < n[0] - 1; i++) ex (i) = mr + xi[(i + 1) * skip[0]] * hr; } - fargs (0) = ex; - retval = feval (fcn, fargs, 1); - if (retval.length () != 1 || !retval (0).is_real_matrix ()) + fargs(0) = ex; + fvals = feval (fcn, fargs, 1); + if (fvals.length () != 1 || !fvals(0).is_real_matrix ()) { - error ("quadcc: integrand must return a single, real-valued vector"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector"); + return retval; } - Matrix effex = retval (0).matrix_value (); + Matrix effex = fvals(0).matrix_value (); if (effex.length () != ex.length ()) { - error ("quadcc: integrand must return a single, real-valued vector of the same size as the input"); - return octave_value_list (); + error ("quadcc: integrand F must return a single, real-valued vector of the same size as the input"); + return retval; } neval += effex.length (); for (i = 0; i < n[0] - 1; i++) @@ -2234,11 +2233,39 @@ } */ /* Clean up and present the results. */ - retval (0) = igral; + if (nargout > 2) + retval(2) = neval; if (nargout > 1) - retval (1) = err; - if (nargout > 2) - retval (2) = neval; + retval(1) = err; + retval(0) = igral; /* All is well that ends well. */ return retval; } + + +/* + +%!assert (quadcc(@sin,-pi,pi), 0, 1e-6) +%!assert (quadcc(inline('sin'),-pi,pi), 0, 1e-6) +%!assert (quadcc('sin',-pi,pi), 0, 1e-6) + +%!assert (quadcc(@sin,-pi,0), -2, 1e-6) +%!assert (quadcc(@sin,0,pi), 2, 1e-6) +%!assert (quadcc(@(x) 1./sqrt(x), 0, 1), 2, 1e-6) +%!assert (quadcc(@(x) 1./(sqrt(x).*(x+1)), 0, Inf), pi, 1e-6) + +%!assert (quadcc (@(x) exp(-x .^ 2), -Inf, Inf), sqrt(pi), 1e-6) +%!assert (quadcc (@(x) exp(-x .^ 2), -Inf, 0), sqrt(pi)/2, 1e-6) + +%% Test input validation +%!error (quadcc ()) +%!error (quadcc (@sin)) +%!error (quadcc (@sin, 0)) +%!error (quadcc (@sin, ones(2), pi)) +%!error (quadcc (@sin, -i, pi)) +%!error (quadcc (@sin, 0, ones(2))) +%!error (quadcc (@sin, 0, i)) +%!error (quadcc (@sin, 0, pi, 0)) +%!error (quadcc (@sin, 0, pi, 1e-6, [ i ])) + +*/
--- a/src/Makefile.am +++ b/src/Makefile.am @@ -736,7 +736,7 @@ ## We require Bison. #parse.cc : parse.y -# @echo "expect 14 shift/reduce conflicts" +# @echo "expect 16 shift/reduce conflicts" # $(YACC) $(YFLAGS) --output=$@ --defines=y.tab.h $< #lex.cc : lex.l
--- a/src/error.cc +++ b/src/error.cc @@ -1681,10 +1681,6 @@ return retval; } -// For backward compatibility. -DEFALIAS (error_text, lasterr); -DEFALIAS (__error_text__, lasterr); - DEFUN (lastwarn, args, nargout, "-*- texinfo -*-\n\ @deftypefn {Built-in Function} {[@var{msg}, @var{msgid}] =} lastwarn (@var{msg}, @var{msgid})\n\
--- a/src/gl-render.cc +++ b/src/gl-render.cc @@ -665,7 +665,7 @@ double p1, double p1N, double p2, double p2N, double dx, double dy, double dz, - int xyz, bool doubleside) + int xyz, bool mirror) { glBegin (GL_LINES); @@ -679,7 +679,7 @@ { glVertex3d (val, p1, p2); glVertex3d (val, p1+dy, p2+dz); - if (doubleside) + if (mirror) { glVertex3d (val, p1N, p2N); glVertex3d (val, p1N-dy, p2N-dz); @@ -689,7 +689,7 @@ { glVertex3d (p1, val, p2); glVertex3d (p1+dx, val, p2+dz); - if (doubleside) + if (mirror) { glVertex3d (p1N, val, p2N); glVertex3d (p1N-dx, val, p2N-dz); @@ -699,7 +699,7 @@ { glVertex3d (p1, p2, val); glVertex3d (p1+dx, p2+dy, val); - if (doubleside) + if (mirror) { glVertex3d (p1N, p2N, val); glVertex3d (p1N-dx, p2N-dy, val); @@ -966,7 +966,7 @@ string_vector xticklabels = props.get_xticklabel ().all_strings (); int wmax = 0, hmax = 0; bool tick_along_z = nearhoriz || xisinf (fy); - bool box = props.is_box (); + bool mirror = props.is_box () && xstate != AXE_ANY_DIR; set_color (props.get_xcolor_rgb ()); @@ -982,14 +982,14 @@ render_tickmarks (xticks, x_min, x_max, ypTick, ypTick, zpTick, zpTickN, 0., 0., signum(zpTick-zpTickN)*fz*xticklen, - 0, (box && xstate != AXE_ANY_DIR)); + 0, mirror); } else { render_tickmarks (xticks, x_min, x_max, ypTick, ypTickN, zpTick, zpTick, 0., signum(ypTick-ypTickN)*fy*xticklen, - 0., 0, (box && xstate != AXE_ANY_DIR)); + 0., 0, mirror); } // tick texts @@ -1021,12 +1021,12 @@ render_tickmarks (xmticks, x_min, x_max, ypTick, ypTick, zpTick, zpTickN, 0., 0., signum(zpTick-zpTickN)*fz*xticklen/2, - 0, (box && xstate != AXE_ANY_DIR)); + 0, mirror); else render_tickmarks (xmticks, x_min, x_max, ypTick, ypTickN, zpTick, zpTick, 0., signum(ypTick-ypTickN)*fy*xticklen/2, - 0., 0, (box && xstate != AXE_ANY_DIR)); + 0., 0, mirror); } gh_manager::get_object (props.get_xlabel ()).set ("visible", "on"); @@ -1073,7 +1073,8 @@ string_vector yticklabels = props.get_yticklabel ().all_strings (); int wmax = 0, hmax = 0; bool tick_along_z = nearhoriz || xisinf (fx); - bool box = props.is_box (); + bool mirror = props.is_box () && ystate != AXE_ANY_DIR + && (props.get_tag () != "plotyy"); set_color (props.get_ycolor_rgb ()); @@ -1088,12 +1089,12 @@ render_tickmarks (yticks, y_min, y_max, xpTick, xpTick, zpTick, zpTickN, 0., 0., signum(zpTick-zpTickN)*fz*yticklen, - 1, (box && ystate != AXE_ANY_DIR)); + 1, mirror); else render_tickmarks (yticks, y_min, y_max, xpTick, xpTickN, zpTick, zpTick, signum(xPlaneN-xPlane)*fx*yticklen, - 0., 0., 1, (box && ystate != AXE_ANY_DIR)); + 0., 0., 1, mirror); // tick texts if (yticklabels.numel () > 0) @@ -1125,12 +1126,12 @@ render_tickmarks (ymticks, y_min, y_max, xpTick, xpTick, zpTick, zpTickN, 0., 0., signum(zpTick-zpTickN)*fz*yticklen/2, - 1, (box && ystate != AXE_ANY_DIR)); + 1, mirror); else render_tickmarks (ymticks, y_min, y_max, xpTick, xpTickN, zpTick, zpTick, signum(xpTick-xpTickN)*fx*yticklen/2, - 0., 0., 1, (box && ystate != AXE_ANY_DIR)); + 0., 0., 1, mirror); } gh_manager::get_object (props.get_ylabel ()).set ("visible", "on"); @@ -1169,7 +1170,7 @@ Matrix zmticks = xform.zscale (props.get_zmtick ().matrix_value ()); string_vector zticklabels = props.get_zticklabel ().all_strings (); int wmax = 0, hmax = 0; - bool box = props.is_box (); + bool mirror = props.is_box () && zstate != AXE_ANY_DIR; set_color (props.get_zcolor_rgb ()); @@ -1185,7 +1186,7 @@ render_tickmarks (zticks, z_min, z_max, xPlaneN, xPlane, yPlane, yPlane, signum(xPlaneN-xPlane)*fx*zticklen, - 0., 0., 2, (box && zstate != AXE_ANY_DIR)); + 0., 0., 2, mirror); else render_tickmarks (zticks, z_min, z_max, xPlaneN, xPlaneN, yPlane, yPlane, 0., @@ -1198,7 +1199,7 @@ render_tickmarks (zticks, z_min, z_max, xPlaneN, xPlane, yPlaneN, yPlane, 0., signum(yPlaneN-yPlane)*fy*zticklen, - 0., 2, (box && zstate != AXE_ANY_DIR)); + 0., 2, mirror); else render_tickmarks (zticks, z_min, z_max, xPlane, xPlane, yPlaneN, yPlane, @@ -1250,7 +1251,7 @@ render_tickmarks (zmticks, z_min, z_max, xPlaneN, xPlane, yPlane, yPlane, signum(xPlaneN-xPlane)*fx*zticklen/2, - 0., 0., 2, (box && zstate != AXE_ANY_DIR)); + 0., 0., 2, mirror); else render_tickmarks (zmticks, z_min, z_max, xPlaneN, xPlaneN, yPlane, yPlane, 0., @@ -1263,7 +1264,7 @@ render_tickmarks (zmticks, z_min, z_max, xPlane, xPlane, yPlaneN, yPlane, 0., signum(yPlaneN-yPlane)*fy*zticklen/2, - 0., 2, (box && zstate != AXE_ANY_DIR)); + 0., 2, mirror); else render_tickmarks (zmticks, z_min, z_max, xPlane, xPlane, yPlaneN, yPlaneN,
--- a/src/graphics.cc +++ b/src/graphics.cc @@ -3263,13 +3263,119 @@ void axes::properties::sync_positions (void) { + Matrix ref_linset = looseinset.get ().matrix_value (); + if (autopos_tag_is ("subplot")) + { + graphics_object parent_obj = gh_manager::get_object (get_parent ()); + if (parent_obj.isa ("figure")) + { + // FIXME: temporarily changed units should be protected + // from interrupts + std::string fig_units = parent_obj.get ("units").string_value (); + parent_obj.set ("units", "pixels"); + + Matrix ref_outbox = outerposition.get ().matrix_value (); + ref_outbox(2) += ref_outbox(0); + ref_outbox(3) += ref_outbox(1); + + // Find those subplots that are left, right, bottom and top aligned + // with the current subplot + Matrix kids = parent_obj.get_properties ().get_children (); + std::vector<octave_value> aligned; + std::vector<bool> l_aligned, b_aligned, r_aligned, t_aligned; + for (octave_idx_type i = 0; i < kids.numel (); i++) + { + graphics_object go = gh_manager::get_object (kids(i)); + if (go.isa ("axes")) + { + axes::properties& props = + dynamic_cast<axes::properties&> (go.get_properties ()); + if (props.autopos_tag_is("subplot")) + { + Matrix outpos = go.get ("outerposition").matrix_value (); + bool l_align=(std::abs (outpos(0)-ref_outbox(0)) < 1e-15); + bool b_align=(std::abs (outpos(1)-ref_outbox(1)) < 1e-15); + bool r_align=(std::abs (outpos(0)+outpos(2)-ref_outbox(2)) < 1e-15); + bool t_align=(std::abs (outpos(1)+outpos(3)-ref_outbox(3)) < 1e-15); + if (l_align || b_align || r_align || t_align) + { + aligned.push_back(kids(i)); + l_aligned.push_back(l_align); + b_aligned.push_back(b_align); + r_aligned.push_back(r_align); + t_aligned.push_back(t_align); + // FIXME: the temporarily deleted tags should be + // protected from interrupts + props.set_autopos_tag ("none"); + } + } + } + } + // Determine a minimum box which aligns the subplots + Matrix ref_box(1, 4, 0.); + ref_box(2) = 1.; + ref_box(3) = 1.; + for (size_t i = 0; i < aligned.size (); i++) + { + graphics_object go = gh_manager::get_object (aligned[i]); + axes::properties& props = + dynamic_cast<axes::properties&> (go.get_properties ()); + Matrix linset = props.get_looseinset ().matrix_value (); + if (l_aligned[i]) + linset(0) = std::min (0., linset(0)-0.01); + if (b_aligned[i]) + linset(1) = std::min (0., linset(1)-0.01); + if (r_aligned[i]) + linset(2) = std::min (0., linset(2)-0.01); + if (t_aligned[i]) + linset(3) = std::min (0., linset(3)-0.01); + props.set_looseinset (linset); + Matrix pos = props.get_position ().matrix_value (); + if (l_aligned[i]) + ref_box(0) = std::max (ref_box(0), pos(0)); + if (b_aligned[i]) + ref_box(1) = std::max (ref_box(1), pos(1)); + if (r_aligned[i]) + ref_box(2) = std::min (ref_box(2), pos(0)+pos(2)); + if (t_aligned[i]) + ref_box(3) = std::min (ref_box(3), pos(1)+pos(3)); + } + // Set common looseinset values for all aligned subplots and + // revert their tag values + for (size_t i = 0; i < aligned.size (); i++) + { + graphics_object go = gh_manager::get_object (aligned[i]); + axes::properties& props = + dynamic_cast<axes::properties&> (go.get_properties ()); + Matrix outpos = props.get_outerposition ().matrix_value (); + Matrix linset = props.get_looseinset ().matrix_value (); + if (l_aligned[i]) + linset(0) = (ref_box(0)-outpos(0))/outpos(2); + if (b_aligned[i]) + linset(1) = (ref_box(1)-outpos(1))/outpos(3); + if (r_aligned[i]) + linset(2) = (outpos(0)+outpos(2)-ref_box(2))/outpos(2); + if (t_aligned[i]) + linset(3) = (outpos(1)+outpos(3)-ref_box(3))/outpos(3); + props.set_looseinset (linset); + props.set_autopos_tag ("subplot"); + } + parent_obj.set ("units", fig_units); + } + } + else + sync_positions (ref_linset); +} + +void +axes::properties::sync_positions (const Matrix& linset) +{ Matrix pos = position.get ().matrix_value (); Matrix outpos = outerposition.get ().matrix_value (); - Matrix lins = looseinset.get ().matrix_value (); - double lratio = lins(0); - double bratio = lins(1); - double wratio = 1-lins(0)-lins(2); - double hratio = 1-lins(1)-lins(3); + double lratio = linset(0); + double bratio = linset(1); + double wratio = 1-linset(0)-linset(2); + double hratio = 1-linset(1)-linset(3); if (activepositionproperty.is ("outerposition")) { pos = outpos; @@ -6909,6 +7015,12 @@ if (nargin == 1 || nargin == 2) { + if (args(0).is_empty()) + { + retval = Matrix (); + return retval; + } + ColumnVector hcv (args(0).vector_value ()); if (! error_state)
--- a/src/graphics.h.in +++ b/src/graphics.h.in @@ -3318,6 +3318,8 @@ row_vector_property zmtick h , Matrix () // hidden properties for inset array_property looseinset hu , Matrix (1, 4, 0.0) + // hidden properties for alignment of subplots + radio_property autopos_tag h , "{none}|subplot" END_PROPERTIES protected: @@ -3411,7 +3413,9 @@ calc_ticklabels (ztick, zticklabel, zscale.is ("log")); } + void sync_positions (const Matrix& linset); void sync_positions (void); + void update_outerposition (void) { set_activepositionproperty ("outerposition");
--- a/src/lex.ll +++ b/src/lex.ll @@ -164,13 +164,13 @@ } \ while (0) -#define BIN_OP_RETURN(tok, convert, bos) \ +#define BIN_OP_RETURN_INTERNAL(tok, convert, bos, qit) \ do \ { \ yylval.tok_val = new token (input_line_number, current_input_column); \ token_stack.push (yylval.tok_val); \ current_input_column += yyleng; \ - lexer_flags.quote_is_transpose = false; \ + lexer_flags.quote_is_transpose = qit; \ lexer_flags.convert_spaces_to_comma = convert; \ lexer_flags.looking_for_object_index = false; \ lexer_flags.at_beginning_of_statement = bos; \ @@ -178,6 +178,21 @@ } \ while (0) +#define XBIN_OP_RETURN_INTERNAL(tok, convert, bos, qit) \ + do \ + { \ + gripe_matlab_incompatible_operator (yytext); \ + BIN_OP_RETURN_INTERNAL (tok, convert, bos, qit); \ + } \ + while (0) + +#define BIN_OP_RETURN(tok, convert, bos) \ + do \ + { \ + BIN_OP_RETURN_INTERNAL (tok, convert, bos, false); \ + } \ + while (0) + #define XBIN_OP_RETURN(tok, convert, bos) \ do \ { \ @@ -896,8 +911,8 @@ ".^" { LEXER_DEBUG (".^"); BIN_OP_RETURN (EPOW, false, false); } ".**" { LEXER_DEBUG (".**"); XBIN_OP_RETURN (EPOW, false, false); } ".'" { LEXER_DEBUG (".'"); do_comma_insert_check (); BIN_OP_RETURN (TRANSPOSE, true, false); } -"++" { LEXER_DEBUG ("++"); do_comma_insert_check (); XBIN_OP_RETURN (PLUS_PLUS, true, false); } -"--" { LEXER_DEBUG ("--"); do_comma_insert_check (); XBIN_OP_RETURN (MINUS_MINUS, true, false); } +"++" { LEXER_DEBUG ("++"); do_comma_insert_check (); XBIN_OP_RETURN_INTERNAL (PLUS_PLUS, true, false, true); } +"--" { LEXER_DEBUG ("--"); do_comma_insert_check (); XBIN_OP_RETURN_INTERNAL (MINUS_MINUS, true, false, true); } "<=" { LEXER_DEBUG ("<="); BIN_OP_RETURN (EXPR_LE, false, false); } "==" { LEXER_DEBUG ("=="); BIN_OP_RETURN (EXPR_EQ, false, false); } "~=" { LEXER_DEBUG ("~="); BIN_OP_RETURN (EXPR_NE, false, false); }
--- a/src/oct-parse.yy +++ b/src/oct-parse.yy @@ -471,7 +471,7 @@ %type <tree_matrix_type> matrix_rows matrix_rows1 %type <tree_cell_type> cell_rows cell_rows1 %type <tree_expression_type> matrix cell -%type <tree_expression_type> primary_expr postfix_expr prefix_expr binary_expr +%type <tree_expression_type> primary_expr oper_expr %type <tree_expression_type> simple_expr colon_expr assign_expr expression %type <tree_identifier_type> identifier fcn_name magic_tilde %type <tree_identifier_type> superclass_identifier meta_identifier @@ -514,7 +514,6 @@ %type <dummy_type> class_body // Precedence and associativity. -%left ';' ',' '\n' %right '=' ADD_EQ SUB_EQ MUL_EQ DIV_EQ LEFTDIV_EQ POW_EQ EMUL_EQ EDIV_EQ ELEFTDIV_EQ EPOW_EQ OR_EQ AND_EQ LSHIFT_EQ RSHIFT_EQ %left EXPR_OR_OR %left EXPR_AND_AND @@ -525,8 +524,9 @@ %left ':' %left '-' '+' EPLUS EMINUS %left '*' '/' LEFTDIV EMUL EDIV ELEFTDIV -%left UNARY PLUS_PLUS MINUS_MINUS EXPR_NOT +%right UNARY EXPR_NOT %left POW EPOW QUOTE TRANSPOSE +%right PLUS_PLUS MINUS_MINUS %left '(' '.' '{' // Where to start. @@ -796,69 +796,61 @@ { lexer_flags.looking_at_indirect_ref = true; } ; -postfix_expr : primary_expr +oper_expr : primary_expr { $$ = $1; } - | postfix_expr '(' ')' + | oper_expr PLUS_PLUS + { $$ = make_postfix_op (PLUS_PLUS, $1, $2); } + | oper_expr MINUS_MINUS + { $$ = make_postfix_op (MINUS_MINUS, $1, $2); } + | oper_expr '(' ')' { $$ = make_index_expression ($1, 0, '('); } - | postfix_expr '(' arg_list ')' + | oper_expr '(' arg_list ')' { $$ = make_index_expression ($1, $3, '('); } - | postfix_expr '{' '}' + | oper_expr '{' '}' { $$ = make_index_expression ($1, 0, '{'); } - | postfix_expr '{' arg_list '}' + | oper_expr '{' arg_list '}' { $$ = make_index_expression ($1, $3, '{'); } - | postfix_expr PLUS_PLUS - { $$ = make_postfix_op (PLUS_PLUS, $1, $2); } - | postfix_expr MINUS_MINUS - { $$ = make_postfix_op (MINUS_MINUS, $1, $2); } - | postfix_expr QUOTE + | oper_expr QUOTE { $$ = make_postfix_op (QUOTE, $1, $2); } - | postfix_expr TRANSPOSE + | oper_expr TRANSPOSE { $$ = make_postfix_op (TRANSPOSE, $1, $2); } - | postfix_expr indirect_ref_op STRUCT_ELT + | oper_expr indirect_ref_op STRUCT_ELT { $$ = make_indirect_ref ($1, $3->text ()); } - | postfix_expr indirect_ref_op '(' expression ')' + | oper_expr indirect_ref_op '(' expression ')' { $$ = make_indirect_ref ($1, $4); } - ; - -prefix_expr : postfix_expr - { $$ = $1; } - | binary_expr - { $$ = $1; } - | PLUS_PLUS prefix_expr %prec UNARY + | PLUS_PLUS oper_expr %prec UNARY { $$ = make_prefix_op (PLUS_PLUS, $2, $1); } - | MINUS_MINUS prefix_expr %prec UNARY + | MINUS_MINUS oper_expr %prec UNARY { $$ = make_prefix_op (MINUS_MINUS, $2, $1); } - | EXPR_NOT prefix_expr %prec UNARY + | EXPR_NOT oper_expr %prec UNARY { $$ = make_prefix_op (EXPR_NOT, $2, $1); } - | '+' prefix_expr %prec UNARY + | '+' oper_expr %prec UNARY { $$ = make_prefix_op ('+', $2, $1); } - | '-' prefix_expr %prec UNARY + | '-' oper_expr %prec UNARY { $$ = make_prefix_op ('-', $2, $1); } - ; - -binary_expr : prefix_expr POW prefix_expr + | oper_expr POW oper_expr { $$ = make_binary_op (POW, $1, $2, $3); } - | prefix_expr EPOW prefix_expr + | oper_expr EPOW oper_expr { $$ = make_binary_op (EPOW, $1, $2, $3); } - | prefix_expr '+' prefix_expr + | oper_expr '+' oper_expr { $$ = make_binary_op ('+', $1, $2, $3); } - | prefix_expr '-' prefix_expr + | oper_expr '-' oper_expr { $$ = make_binary_op ('-', $1, $2, $3); } - | prefix_expr '*' prefix_expr + | oper_expr '*' oper_expr { $$ = make_binary_op ('*', $1, $2, $3); } - | prefix_expr '/' prefix_expr + | oper_expr '/' oper_expr { $$ = make_binary_op ('/', $1, $2, $3); } - | prefix_expr EPLUS prefix_expr + | oper_expr EPLUS oper_expr { $$ = make_binary_op ('+', $1, $2, $3); } - | prefix_expr EMINUS prefix_expr + | oper_expr EMINUS oper_expr { $$ = make_binary_op ('-', $1, $2, $3); } - | prefix_expr EMUL prefix_expr + | oper_expr EMUL oper_expr { $$ = make_binary_op (EMUL, $1, $2, $3); } - | prefix_expr EDIV prefix_expr + | oper_expr EDIV oper_expr { $$ = make_binary_op (EDIV, $1, $2, $3); } - | prefix_expr LEFTDIV prefix_expr + | oper_expr LEFTDIV oper_expr { $$ = make_binary_op (LEFTDIV, $1, $2, $3); } - | prefix_expr ELEFTDIV prefix_expr + | oper_expr ELEFTDIV oper_expr { $$ = make_binary_op (ELEFTDIV, $1, $2, $3); } ; @@ -866,9 +858,9 @@ { $$ = finish_colon_expression ($1); } ; -colon_expr1 : prefix_expr +colon_expr1 : oper_expr { $$ = new tree_colon_expression ($1); } - | colon_expr1 ':' prefix_expr + | colon_expr1 ':' oper_expr { if (! ($$ = $1->append ($3))) ABORT_PARSE; @@ -3348,11 +3340,10 @@ break; case '\n': - current_input_column = 0; + current_input_column = 1; break; default: - current_input_column--; reader.ungetc (c); goto done; }
--- a/src/variables.cc +++ b/src/variables.cc @@ -1043,11 +1043,12 @@ const std::string& expr_str = std::string (), const octave_value& expr_val = octave_value ()) : name (expr_str.empty () ? sr.name () : expr_str), + varval (expr_val.is_undefined () ? sr.varval () : expr_val), is_automatic (sr.is_automatic ()), + is_complex (varval.is_complex_type ()), is_formal (sr.is_formal ()), is_global (sr.is_global ()), - is_persistent (sr.is_persistent ()), - varval (expr_val.is_undefined () ? sr.varval () : expr_val) + is_persistent (sr.is_persistent ()) { } void display_line (std::ostream& os, @@ -1117,13 +1118,14 @@ { case 'a': { - char tmp[5]; + char tmp[6]; tmp[0] = (is_automatic ? 'a' : ' '); - tmp[1] = (is_formal ? 'f' : ' '); - tmp[2] = (is_global ? 'g' : ' '); - tmp[3] = (is_persistent ? 'p' : ' '); - tmp[4] = 0; + tmp[1] = (is_complex ? 'c' : ' '); + tmp[2] = (is_formal ? 'f' : ' '); + tmp[3] = (is_global ? 'g' : ' '); + tmp[4] = (is_persistent ? 'p' : ' '); + tmp[5] = 0; os << tmp; } @@ -1172,11 +1174,12 @@ } std::string name; + octave_value varval; bool is_automatic; + bool is_complex; bool is_formal; bool is_global; bool is_persistent; - octave_value varval; }; public: @@ -1333,6 +1336,9 @@ for (size_t i = 0; i < param_string.length (); i++) param_length(i) = param_names(i) . length (); + // The attribute column needs size 5. + param_length(pos_a) = 5; + // Calculating necessary spacing for name column, // bytes column, elements column and class column @@ -1798,6 +1804,9 @@ Automatic variable. An automatic variable is one created by the\n\ interpreter, for example @code{argn}.\n\ \n\ +@item @code{c}\n\ +Variable of complex type.\n\ +\n\ @item @code{f}\n\ Formal parameter (function argument).\n\ \n\
--- a/test/fntests.m +++ b/test/fntests.m @@ -97,6 +97,17 @@ endif endfunction +function retval = has_demos (f) + fid = fopen (f); + if (fid >= 0) + str = fread (fid, "*char")'; + fclose (fid); + retval = ! isempty (regexp (str, '^%!demo', "lineanchors")); + else + error ("fopen failed: %s", f); + endif +endfunction + function [dp, dn, dxf, dsk] = run_test_dir (fid, d); global files_with_tests; global files_with_no_tests; @@ -113,6 +124,8 @@ [p, n, xf, sk] = test (nm(1:(end-2)), "quiet", fid); print_pass_fail (n, p); files_with_tests(end+1) = ffnm; + elseif (has_demos (ffnm)) + files_with_tests(end+1) = ffnm; else files_with_no_tests(end+1) = ffnm; endif @@ -164,6 +177,8 @@ dxf += xf; dsk += sk; files_with_tests(end+1) = f; + elseif (has_demos (f)) + files_with_tests(end+1) = f; elseif (has_functions (f)) ## To reduce the list length, only mark .cc files that contain ## DEFUN definitions. @@ -192,20 +207,15 @@ endfunction function n = num_elts_matching_pattern (lst, pat) - n = 0; - for i = 1:length (lst) - if (! isempty (regexp (lst{i}, pat, "once"))) - n++; - endif - endfor + n = sum (cellfun (@(x) !isempty (x), regexp (lst, pat, 'once'))); endfunction function report_files_with_no_tests (with, without, typ) - pat = cstrcat ("\\", typ, "$"); + pat = cstrcat ('\', typ, "$"); n_with = num_elts_matching_pattern (with, pat); n_without = num_elts_matching_pattern (without, pat); n_tot = n_with + n_without; - printf ("\n%d (of %d) %s files have no tests.\n", n_without, n_tot, typ); + printf ("\n%d (of %d) %s files have no tests or demos.\n", n_without, n_tot, typ); endfunction pso = page_screen_output (); @@ -258,6 +268,12 @@ puts ("because the needed libraries were not present when Octave was built.\n"); endif + ## Weed out deprecated and private functions + weed_idx = cellfun (@isempty, regexp (files_with_tests, '\bdeprecated\b|\bprivate\b', 'once')); + files_with_tests = files_with_tests(weed_idx); + weed_idx = cellfun (@isempty, regexp (files_with_no_tests, '\bdeprecated\b|\bprivate\b', 'once')); + files_with_no_tests = files_with_no_tests(weed_idx); + report_files_with_no_tests (files_with_tests, files_with_no_tests, ".m"); report_files_with_no_tests (files_with_tests, files_with_no_tests, ".cc");
--- a/test/test_parser.m +++ b/test/test_parser.m @@ -28,142 +28,222 @@ %!assert ({1 2,{3,4}}, {1,2,{3,4}}) %!assert ({1,2,{3 4}}, {1,2,{3,4}}) -%# Tests for operator precedence as documented in section 8.8 of manual -%# There are 11 levels of precedence from "exponentiation" (highest) down to -%# "statement operators" (lowest). -%# -%# Level 11 (exponentiation) overrides all others +## Tests for operator precedence as documented in section 8.8 of manual +## There are 13 levels of precedence from "parentheses and indexing" (highest) +## down to "statement operators" (lowest). +## +## Level 13 (parentheses and indexing) +## Overrides all other levels +%!test +%! a.b = 1; +%! assert (a. b++, 1) +%! assert (a.b, 2) +%! clear a; +%! a.b = [0 1]; +%! b = 2; +%! assert (a.b', [0;1]) +%! assert (!a .b, logical ([1 0])) +%! assert (3*a .b, [0 3]) +%! assert (a. b-1, [-1 0]) +%! assert (a. b:3, 0:3) +%! assert (a. b>0.5, logical ([0 1])) +%! assert (a. b&0, logical ([0 0])) +%! assert (a. b|0, logical ([0 1])) +%! a.b = [1 2]; +%! assert (a. b&&0, false) +%! assert (a. b||0, true) +%! a.b += a. b*2; +%! assert (a.b, [3 6]) +## Level 12 (postfix increment and decrement) %!test -%! assert (-2^2, -4) -%! assert (!0^0, false); -# FIXME: This test is failing. Transpose mistakenly has higher priority. -%!# assert ([2 3].^2', [4; 9]) -%! assert (2*3^2, 18) -%! assert (2+3^2, 11) -%! assert ([1:10](1:2^2), [1 2 3 4]) -%! assert (3 > 2^2, false) -%! assert (1 & 0^0, true) -%! assert (1 && 0^0, true) +%! a = [3 5]; +%! assert (2.^a ++, [8 32]) +%! assert (a, [4 6]) +%! assert (a--', [4; 6]) +%! assert (a, [3 5]) +%! a = 0; +%! assert (!a --, true) +%! assert (-a ++, 1) +%! assert (3*a ++, 0) +%! assert (a++-2, -1) +%! assert (1:a ++, 1:2) +%! assert (4>a++, true) +%! a = [0 -1]; +%! assert ([1 1] & a++, logical ([0 1])) +%! assert ([0 0] | a++, logical ([1 0])) +%! a = 0; +%! assert (1 && a ++, false) +%! assert (0 || a --, true) +%! a = 5; b = 2; +%! b +=a ++; +%! assert (b, 7) + +## Level 11 (transpose and exponentiation) +%!test +%! assert (-2 ^2, -4) +%! assert (!0 ^0, false) +%! assert (2*3 ^2, 18) +%! assert (2+3 ^2, 11) +%! assert ([1:10](1:2 ^2), [1 2 3 4]) +%! assert (3>2 ^2, false) +%! assert (1&0 ^0, true) +%! assert (0|0 ^0, true) +%! assert (1&&0 ^0, true) +%! assert (0||0 ^0, true) %! a = 3; -%! a *= 0^0; +%! a *= 0 ^0; %! assert (a, 3) -%# Level 10 (unary plus, increment, not) +## Level 10 (unary plus/minus, prefix increment/decrement, not) %!test -# FIXME: No test for increment and transpose that I can think of. %! a = 2; -%! assert (++a*3, 9) -%! assert (a++-2, 1) -%! assert (a, 4) -%! assert ([1:10](1:++a), [1:5]) -%! assert (5 == a++, true) -%! assert (7 == ++a, true) +%! assert (++ a*3, 9) +%! assert (-- a-2, 0) +%! assert (a, 2) +%! assert (! a-2, -2) +%! assert ([1:10](++ a:5), 3:5) +%! a = [1 0]; +%! assert (! a>=[1 0], [false true]) %! a = 0; -%! assert (1 & a++, false) -%! assert (a, 1) -%! assert (1 && --a, false) +%! assert (++ a&1, true) +%! assert (-- a|0, false) +%! assert (-- a&&1, true) +%! assert (++ a||0, false) %! a = 3; -%! a *= a++; -%! assert (a, 12) -%# Level 9 (transpose) +%! a *= ++a; +%! assert (a, 16) +## Level 9 (multiply, divide) %!test -%! assert ([1 2]*[3 4]', 11) -%! assert ([1 2]'+[3 4]', [4; 6]) -%! assert (1:5', 1:5) -%! assert ([1; 2] == [1 2]', [true; true]) -%! assert ([1; 0] & [1 0]', [true; false]) -# FIXME: No test for transpose and short-circuit operator that I can think of. -%! a = [1 2]; -%! a *= [3 4]'; -%! assert (a, 11) -%# Level 8 (multiply, divide) -%!test -%! assert (3 + 4 * 5, 23) -%! assert (3 + 4 * 5, 23) -%! assert (5*1:6, [5 6]) -%! assert (3 > 1 * 5, false) -%! assert (1 & 1 * 0, false) -%! assert (1 && 1 * 0, false) +%! assert (3+4 * 5, 23) +%! assert (5 * 1:6, [5 6]) +%! assert (3>1 * 5, false) +%! assert (1&1 * 0, false) +%! assert (1|1 * 0, true) +%! assert (1&&1 * 0, false) +%! assert (1||1 * 0, true) %! a = 3; %! a /= a * 2; %! assert (a, 0.5) -%# Level 7 (add, subtract) +## Level 8 (add, subtract) %!test %! assert ([2 + 1:6], 3:6) -%! assert (3 > 1 + 5, false) -%! assert (1 & 1 - 1, false) -%! assert (1 && 1 - 1, false) +%! assert (3>1 + 5, false) +%! assert (1&1 - 1, false) +%! assert (0|1 - 2, true) +%! assert (1&&1 - 1, false) +%! assert (0||1 - 2, true) %! a = 3; %! a *= 1 + 1; %! assert (a, 6) -%# Level 6 (colon) +## Level 7 (colon) %!test -%! assert (5:-1: 3 > 4, [true false false]) -%! assert (1: 3 & 1, [true true true]) -%! assert (-1: 3 && 1, false) +%! assert (5:-1: 3>4, [true false false]) +%! assert (1: 3&1, [true true true]) +%! assert (1: 3|0, [true true true]) +%! assert (-1: 3&&1, false) +%! assert (-1: 3||0, false) %! a = [1:3]; %! a += 3 : 5; %! assert (a, [4 6 8]) -%# Level 5 (relational) +## Level 6 (relational) %!test -%! assert (0 == -1 & 0, false) -%! assert (0 == -1 && 0, false) +%! assert (0 == -1&0, false) +%! assert (1 == -1|0, false) +%! assert (0 == -1&&0, false) +%! assert (1 == -1||0, false) %! a = 2; %! a *= 3 > 1; %! assert (a, 2) -%# Level 4 (element-wise and, or) +## Level 5 (element-wise and) %!test -%! assert (0 & 1 || 1, true) -%! assert (0 == -1 && 0, false) +%! assert (0 & 1|1, true) +%! assert ([0 1] & 1&&1, false) +%! assert (0 & 1||1, true) %! a = 2; %! a *= 3 & 1; %! assert (a, 2) -%# Level 3 (logical and, or) +## Level 4 (element-wise or) %!test +%! assert ([0 1] | 1&&0, false) +%! assert ([0 1] | 1||0, true) +%! a = 2; +%! a *= 0 | 1; +%! assert (a, 2) +## Level 3 (logical and) +%!test +%! assert (0 && 1||1, true) %! a = 2; %! a *= 3 && 1; %! assert (a, 2) +## Level 2 (logical or) +%!test +%! a = 2; +%! a *= 0 || 1; +%! assert (a, 2) -%# Tests for operator precedence within each level where ordering should -%# be left to right except for exponents and assignments. -%# Level 11 (exponentiation) +## Tests for operator precedence within each level where ordering should +## be left to right except for postfix and assignment operators. + +## Level 13 (parentheses and indexing) %!test -%# FIXME : Exponentiation seems to work left to right, despite the -%# documentation and ordinary mathematical rules of precedence. -%!# assert (2^3**2, 512) -%# Level 10 (unary plus, increment, not) +%! a.b1 = 2; +%! assert (a.(strcat('b','1'))++, 2) +%! assert (a.b1, 3) +%! b = {1 2 3 4 5}; +%! assert (b{(a. b1 + 1)}, 4) +%! b = 1:5; +%! assert (b(a. b1 + 1), 4) +%! assert ([2 3].^2', [4; 9]) +## Level 12 (postfix increment and decrement) +## No tests possible since a++-- is not valid +## Level 11 (transpose and exponentiation) +## Note: Exponentiation works left to right for compatibility with Matlab. +%! assert (2^3**2, 64) +%! assert ([2 3].^2.', [4;9]) +%! assert ([2 3].'.^2, [4;9]) +%! assert (3*4i'.', 0 - 12i) +%! assert (3*4i.'.', 0 + 12i) +## Level 10 (unary plus/minus, prefix increment/decrement, not) %!test %! assert (+-+1, -1) -%! a = 0; -%# FIXME : Should we test for this corner case at all? -%# (unary minus)(auto-decrement operator) -%!# assert (---a, 1); %! a = -1; %! assert (!++a, true) %! assert (a, 0) %! assert (-~a, -1) -%! assert (!~a++, false) -%! assert (a, 1) -%# Level 9 (transpose) +%! assert (!~--a, true) +%! assert (a, -1) +## Level 9 (multiply, divide) %!test -%! assert (3*4i'.', 0 - 12i) -%! assert (3*4i.'.', 0 + 12i) -%# Level 8 (multiply, divide) +%! assert (3 * 4 / 5, 2.4) +%! assert (3 ./ 4 .* 5, 3.75) +%! assert (2 * 4 \ 6, 0.75) +%! assert (2 .\ 4 .* 6, 12) +## Level 8 (add, subtract) %!test -%!assert (3 * 4 / 5, 2.4) -%!assert (3 ./ 4 .* 5, 3.75) -%# Level 7 (add, subtract) -%!test -%!assert (-3 - 4 + 1 + 3 * 2, 0) -%# Level 5 (relational) +%! assert (-3 - 4 + 1 + 3 * 2, 0) +## Level 7 (colon) +## No tests possible because colon operator can't be combined with second colon operator +## Level 6 (relational) %!test %! assert (0 < 1 <= 0.5 == 0 >= 0.5 > 0, true) %! assert (1 < 1 == 0 != 0, true) %! assert (1 < 1 == 0 ~= 0, true) -%# Level 4 (element-wise and, or) +## Level 5 (element-wise and) +## No tests possible. Only one operator (&) at this precedence level and operation is associative. +## Level 4 (element-wise or) +## No tests possible. Only one operator (|) at this precedence level and operation is associative. +## Level 3 (logical and) %!test -%! assert ([ 1 0] & [0 1] | [1 0], [true false]) -%# Level 2 (assignment) +%! a = 1; +%! assert (1 && 0 && ++a, false) +%! assert (a, 1) +## Level 2 (logical or) +%!test +%! a = 1; +%! assert (0 || 1 || ++a, true) +%! assert (a, 1) +## Level 1 (assignment) %!test %! a = 2; b = 5; c = 7; %! assert (a += b *= c += 1, 42) %! assert (b == 40 && c == 8) +