Mercurial > hg > octave-terminal
changeset 3248:68259f410026
[project @ 1999-07-13 03:34:54 by jwe]
author | jwe |
---|---|
date | Tue, 13 Jul 1999 03:40:17 +0000 |
parents | 256f98d26275 |
children | 60866c521b92 |
files | liboctave/CMatrix.cc liboctave/CMatrix.h liboctave/ChangeLog liboctave/dMatrix.cc liboctave/dMatrix.h liboctave/lo-mappers.cc liboctave/lo-mappers.h liboctave/mx-defs.h src/DLD-FUNCTIONS/minmax.cc src/pr-output.cc src/sysdep.cc src/variables.cc |
diffstat | 12 files changed, 183 insertions(+), 169 deletions(-) [+] |
line wrap: on
line diff
--- a/liboctave/CMatrix.cc +++ b/liboctave/CMatrix.cc @@ -1928,14 +1928,29 @@ Matrix ComplexMatrix::map (d_c_Mapper f) const { - const Complex *d = data (); - - Matrix retval (rows (), columns ()); - - double *r = retval.fortran_vec (); - - for (int i = 0; i < length (); i++) - r[i] = f (d[i]); + int nr = rows (); + int nc = cols (); + + Matrix retval (nr, nc); + + for (int j = 0; j < nc; j++) + for (int i = 0; i < nr; i++) + retval(i,j) = f (elem(i,j)); + + return retval; +} + +boolMatrix +ComplexMatrix::map (b_c_Mapper f) const +{ + int nr = rows (); + int nc = cols (); + + boolMatrix retval (nr, nc); + + for (int j = 0; j < nc; j++) + for (int i = 0; i < nr; i++) + retval(i,j) = f (elem(i,j)); return retval; }
--- a/liboctave/CMatrix.h +++ b/liboctave/CMatrix.h @@ -207,6 +207,7 @@ ComplexMatrix map (c_c_Mapper f) const; Matrix map (d_c_Mapper f) const; + boolMatrix map (b_c_Mapper f) const; ComplexMatrix& apply (c_c_Mapper f);
--- a/liboctave/ChangeLog +++ b/liboctave/ChangeLog @@ -1,3 +1,12 @@ +Mon Jul 12 22:34:34 1999 John W. Eaton <jwe@bevo.che.wisc.edu> + + * mx-defs.h (b_d_Mapper, b_c_Mapper): New typedefs. + * dMatrix.cc (Matrix::map (b_d_Mapper)): New function. + * CMatrix.cc (ComplexMatrix::map (b_c_Mapper)): New function. + * lo-mappers.cc (xisinf, xisnan, xfinite): Return bool, not double. + + * lo-mappers.cc (xmin, xmax): New functions to correctly handle NaNs. + Mon May 10 07:45:11 1999 John W. Eaton <jwe@bevo.che.wisc.edu> * MArray-defs.h (DO_VV_OP2): Fix macro definition to use arg.
--- a/liboctave/dMatrix.cc +++ b/liboctave/dMatrix.cc @@ -1556,6 +1556,21 @@ return b.apply (f); } +boolMatrix +Matrix::map (b_d_Mapper f) const +{ + int nr = rows (); + int nc = cols (); + + boolMatrix retval (nr, nc); + + for (int j = 0; j < nc; j++) + for (int i = 0; i < nr; i++) + retval(i,j) = f (elem(i,j)); + + return retval; +} + Matrix& Matrix::apply (d_d_Mapper f) {
--- a/liboctave/dMatrix.h +++ b/liboctave/dMatrix.h @@ -180,6 +180,7 @@ // other operations Matrix map (d_d_Mapper f) const; + boolMatrix map (b_d_Mapper f) const; Matrix& apply (d_d_Mapper f);
--- a/liboctave/lo-mappers.cc +++ b/liboctave/lo-mappers.cc @@ -49,7 +49,7 @@ #define M_PI 3.14159265358979323846 #endif -// Double -> double mappers. +// double -> double mappers. double arg (double x) @@ -136,17 +136,19 @@ #endif } -double +// double -> bool mappers. + +bool xisnan (double x) { #if defined (HAVE_ISNAN) return isnan (x) != 0; #else - return 0; + return false; #endif } -double +bool xfinite (double x) { #if defined (HAVE_FINITE) @@ -154,11 +156,11 @@ #elif defined (HAVE_ISINF) && defined (HAVE_ISNAN) return (! isinf (x) && ! isnan (x)); #else - return 1; + return true; #endif } -double +bool xisinf (double x) { #if defined (HAVE_ISINF) @@ -166,35 +168,25 @@ #elif defined (HAVE_FINITE) && defined (HAVE_ISNAN) return (! (finite (x) || isnan (x))); #else - return 0; + return false; #endif } -// Complex -> double mappers. +// (double, double) -> double mappers. double -xisnan (const Complex& x) +xmin (double x, double y) { -#if defined (HAVE_ISNAN) - return (isnan (real (x)) || isnan (imag (x))); -#else - return 0; -#endif + return x < y ? x : (xisnan (x) ? x : y); } double -xfinite (const Complex& x) +xmax (double x, double y) { - return (xfinite (real (x)) && xfinite (imag (x))); + return x > y ? x : (xisnan (x) ? x : y); } -double -xisinf (const Complex& x) -{ - return (xisinf (real (x)) || xisinf (imag (x))); -} - -// Complex -> complex mappers. +// complex -> complex mappers. Complex acos (const Complex& x) @@ -286,6 +278,44 @@ return sinh (x) / cosh (x); } +// complex -> bool mappers. + +bool +xisnan (const Complex& x) +{ +#if defined (HAVE_ISNAN) + return (isnan (real (x)) || isnan (imag (x))); +#else + return false; +#endif +} + +bool +xfinite (const Complex& x) +{ + return (xfinite (real (x)) && xfinite (imag (x))); +} + +bool +xisinf (const Complex& x) +{ + return (xisinf (real (x)) || xisinf (imag (x))); +} + +// (complex, complex) -> complex mappers. + +Complex +xmin (const Complex& x, const Complex& y) +{ + return abs (x) < abs (y) ? x : (xisnan (x) ? x : y); +} + +Complex +xmax (const Complex& x, const Complex& y) +{ + return abs (x) > abs (y) ? x : (xisnan (x) ? x : y); +} + /* ;;; Local Variables: *** ;;; mode: C++ ***
--- a/liboctave/lo-mappers.h +++ b/liboctave/lo-mappers.h @@ -34,13 +34,13 @@ extern double signum (double x); extern double xerf (double x); extern double xerfc (double x); -extern double xisnan (double x); -extern double xfinite (double x); -extern double xisinf (double x); -extern double xisnan (const Complex& x); -extern double xfinite (const Complex& x); -extern double xisinf (const Complex& x); +extern bool xisnan (double x); +extern bool xfinite (double x); +extern bool xisinf (double x); + +extern double xmin (double x, double y); +extern double xmax (double x, double y); extern Complex acos (const Complex& x); extern Complex acosh (const Complex& x); @@ -57,6 +57,13 @@ extern Complex tan (const Complex& x); extern Complex tanh (const Complex& x); +extern bool xisnan (const Complex& x); +extern bool xfinite (const Complex& x); +extern bool xisinf (const Complex& x); + +extern Complex xmin (const Complex& x, const Complex& y); +extern Complex xmax (const Complex& x, const Complex& y); + #endif /*
--- a/liboctave/mx-defs.h +++ b/liboctave/mx-defs.h @@ -78,6 +78,9 @@ #ifndef MAPPER_FCN_TYPEDEFS #define MAPPER_FCN_TYPEDEFS 1 +typedef bool (*b_d_Mapper)(double); +typedef bool (*b_c_Mapper)(const Complex&); + typedef double (*d_d_Mapper)(double); typedef double (*d_c_Mapper)(const Complex&); typedef Complex (*c_c_Mapper)(const Complex&);
--- a/src/DLD-FUNCTIONS/minmax.cc +++ b/src/DLD-FUNCTIONS/minmax.cc @@ -27,20 +27,13 @@ #include <cmath> #include "lo-ieee.h" +#include "lo-mappers.h" #include "defun-dld.h" #include "error.h" #include "gripes.h" #include "oct-obj.h" -#ifndef MAX -#define MAX(a,b) ((a) > (b) ? (a) : (b)) -#endif - -#ifndef MIN -#define MIN(a,b) ((a) < (b) ? (a) : (b)) -#endif - // XXX FIXME XXX -- it would be nice to share code among the min/max // functions below. @@ -54,10 +47,7 @@ for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double m_elem = m (i, j); - result (i, j) = MIN (d, m_elem); - } + result (i, j) = xmin (d, m (i, j)); return result; } @@ -72,10 +62,7 @@ for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double m_elem = m (i, j); - result (i, j) = MIN (m_elem, d); - } + result (i, j) = xmin (m (i, j), d); return result; } @@ -88,19 +75,9 @@ ComplexMatrix result (nr, nc); - double abs_c = abs (c); - for (int j = 0; j < nc; j++) - { - for (int i = 0; i < nr; i++) - { - double abs_m_elem = abs (m (i, j)); - if (abs_c < abs_m_elem) - result (i, j) = c; - else - result (i, j) = m (i, j); - } - } + for (int i = 0; i < nr; i++) + result (i, j) = xmin (c, m (i, j)); return result; } @@ -113,17 +90,9 @@ ComplexMatrix result (nr, nc); - double abs_c = abs (c); - for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double abs_m_elem = abs (m (i, j)); - if (abs_m_elem < abs_c) - result (i, j) = m (i, j); - else - result (i, j) = c; - } + result (i, j) = xmin (m (i, j), c); return result; } @@ -143,11 +112,7 @@ for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double a_elem = a (i, j); - double b_elem = b (i, j); - result (i, j) = MIN (a_elem, b_elem); - } + result (i, j) = xmin (a (i, j), b (i, j)); return result; } @@ -178,26 +143,12 @@ if (columns_are_real_only) { for (int i = 0; i < nr; i++) - { - double a_elem = real (a (i, j)); - double b_elem = real (b (i, j)); - if (a_elem < b_elem) - result (i, j) = a_elem; - else - result (i, j) = b_elem; - } + result (i, j) = xmin (real (a (i, j)), real (b (i, j))); } else { for (int i = 0; i < nr; i++) - { - double abs_a_elem = abs (a (i, j)); - double abs_b_elem = abs (b (i, j)); - if (abs_a_elem < abs_b_elem) - result (i, j) = a (i, j); - else - result (i, j) = b (i, j); - } + result (i, j) = xmin (a (i, j), b (i, j)); } } @@ -214,10 +165,7 @@ for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double m_elem = m (i, j); - result (i, j) = MAX (d, m_elem); - } + result (i, j) = xmax (d, m (i, j)); return result; } @@ -232,10 +180,7 @@ for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double m_elem = m (i, j); - result (i, j) = MAX (m_elem, d); - } + result (i, j) = xmax (m (i, j), d); return result; } @@ -248,17 +193,9 @@ ComplexMatrix result (nr, nc); - double abs_c = abs (c); - for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double abs_m_elem = abs (m (i, j)); - if (abs_c > abs_m_elem) - result (i, j) = c; - else - result (i, j) = m (i, j); - } + result (i, j) = xmax (c, m (i, j)); return result; } @@ -271,17 +208,9 @@ ComplexMatrix result (nr, nc); - double abs_c = abs (c); - for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double abs_m_elem = abs (m (i, j)); - if (abs_m_elem > abs_c) - result (i, j) = m (i, j); - else - result (i, j) = c; - } + result (i, j) = xmax (m (i, j), c); return result; } @@ -301,11 +230,7 @@ for (int j = 0; j < nc; j++) for (int i = 0; i < nr; i++) - { - double a_elem = a (i, j); - double b_elem = b (i, j); - result (i, j) = MAX (a_elem, b_elem); - } + result (i, j) = xmax (a (i, j), b (i, j)); return result; } @@ -336,26 +261,12 @@ if (columns_are_real_only) { for (int i = 0; i < nr; i++) - { - double a_elem = real (a (i, j)); - double b_elem = real (b (i, j)); - if (a_elem > b_elem) - result (i, j) = a_elem; - else - result (i, j) = b_elem; - } + result (i, j) = xmax (real (a (i, j)), real (b (i, j))); } else { for (int i = 0; i < nr; i++) - { - double abs_a_elem = abs (a (i, j)); - double abs_b_elem = abs (b (i, j)); - if (abs_a_elem > abs_b_elem) - result (i, j) = a (i, j); - else - result (i, j) = b (i, j); - } + result (i, j) = xmax (a (i, j), b (i, j)); } }
--- a/src/pr-output.cc +++ b/src/pr-output.cc @@ -1154,15 +1154,23 @@ } } +static inline void +do_plus_format (ostream& os, double d) +{ + if (d == 0.0) + os << " "; + else if (d < 0.0) + os << "-"; + else + os << "+"; +} + void octave_print_internal (ostream& os, double d, bool pr_as_read_syntax) { if (plus_format) { - if (d == 0.0) - os << " "; - else - os << "+"; + do_plus_format (os, d); } else { @@ -1192,10 +1200,7 @@ if (j == 0) os << " "; - if (m (i, j) == 0.0) - os << " "; - else - os << "+"; + do_plus_format (os, m (i, j)); } if (i < nr - 1) @@ -1311,16 +1316,32 @@ } } +static inline void +do_plus_format (ostream& os, const Complex& c) +{ + double rp = c.real (); + double ip = c.imag (); + + if (rp == 0.0) + { + if (ip == 0.0) + os << " "; + else + os << "i"; + } + else if (ip == 0.0) + do_plus_format (os, rp); + else + os << "c"; +} + void octave_print_internal (ostream& os, const Complex& c, bool pr_as_read_syntax) { if (plus_format) { - if (c == 0.0) - os << " "; - else - os << "+"; + do_plus_format (os, c); } else { @@ -1350,10 +1371,7 @@ if (j == 0) os << " "; - if (cm (i, j) == 0.0) - os << " "; - else - os << "+"; + do_plus_format (os, cm (i, j)); } if (i < nr - 1)
--- a/src/sysdep.cc +++ b/src/sysdep.cc @@ -52,6 +52,10 @@ LOSE! LOSE! #endif +#if defined (HAVE_SYS_IOCTL_H) +#include <sys/ioctl.h> +#endif + #if defined (HAVE_FLOATINGPOINT_H) #include <floatingpoint.h> #endif
--- a/src/variables.cc +++ b/src/variables.cc @@ -801,27 +801,18 @@ return retval; } -// XXX FIXME XXX -- this should take a list of regular expressions -// naming the variables to look for. - static octave_value_list do_who (int argc, const string_vector& argv) { octave_value_list retval; bool show_builtins = false; - bool show_functions = (curr_sym_tab == top_level_sym_tab); - bool show_variables = true; + bool show_functions = false; + bool show_variables = false; bool show_verbose = false; string my_name = argv[0]; - if (argc > 1) - { - show_functions = false; - show_variables = false; - } - int i; for (i = 1; i < argc; i++) { @@ -846,6 +837,15 @@ break; } + // If no options were specified to select the type of symbol to + // display, then set defaults. + + if (! (show_builtins || show_functions || show_variables)) + { + show_functions = (curr_sym_tab == top_level_sym_tab); + show_variables = true; + } + int npats = argc - i; string_vector pats (npats); for (int j = 0; j < npats; j++)