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Refactor configure.ac to make it more understandable. Use common syntax for messages in config.h Correct typos, refer to libraries in all caps, use two spaces after period. Follow Autoconf guidelines and place general tests before specific tests. * configure.ac, m4/acinclude.m4: Use common syntax for messages in config.h Correct typos, refer to libraries in all caps, use two spaces after period. Follow Autoconf guidelines and place general tests before specific tests.
author Rik <rik@octave.org>
date Tue, 31 Jul 2012 10:28:51 -0700
parents 460a3c6d8bf1
children 4f5c70792bd6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ## Copyright (C) 1993-2012 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} loglog (@var{y})
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21 ## @deftypefnx {Function File} {} loglog (@var{x}, @var{y})
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22 ## @deftypefnx {Function File} {} loglog (@var{x}, @var{y}, @var{property}, @var{value}, @dots{})
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23 ## @deftypefnx {Function File} {} loglog (@var{x}, @var{y}, @var{fmt})
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24 ## @deftypefnx {Function File} {} loglog (@var{h}, @dots{})
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25 ## @deftypefnx {Function File} {@var{h} =} loglog (@dots{})
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26 ## Produce a two-dimensional plot using log scales for both axes. See
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27 ## the documentation of @code{plot} for a description of the arguments
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28 ## that @code{loglog} will accept.
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29 ##
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30 ## The optional return value @var{h} is a graphics handle to the created plot.
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31 ## @seealso{plot, semilogx, semilogy}
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32 ## @end deftypefn
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34 ## Author: jwe
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35
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36 function retval = loglog (varargin)
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37
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38 [h, varargin, nargs] = __plt_get_axis_arg__ ("loglog", varargin{:});
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39
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40 if (nargs < 1)
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41 print_usage ();
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42 endif
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43
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44 oldh = gca ();
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45 unwind_protect
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46 axes (h);
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47 newplot ();
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48
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49 set (h, "xscale", "log", "yscale", "log");
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50 if (any( strcmp (get (gca, "nextplot"), {"new", "replace"})))
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51 set (h, "xminortick", "on", "yminortick", "on");
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52 endif
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53
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54 tmp = __plt__ ("loglog", h, varargin{:});
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56 if (nargout > 0)
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57 retval = tmp;
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58 endif
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59 unwind_protect_cleanup
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60 axes (oldh);
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61 end_unwind_protect
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63 endfunction
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66 %!demo
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67 %! clf;
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68 %! t = 1:0.01:10;
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69 %! x = sort ((t .* (1 + rand (size (t)))) .^ 2);
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70 %! y = (t .* (1 + rand (size (t)))) .^ 2;
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71 %! loglog (x, y);
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73 %!demo
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74 %! clf;
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75 %! a = logspace (-5, 1, 10);
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76 %! b =-logspace (-5, 1, 10);
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77 %!
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78 %! subplot (1,2,1);
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79 %! loglog (a, b);
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80 %! xlabel ('loglog (a, b)');
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81 %!
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82 %! subplot (1,2,2);
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83 %! loglog (a, abs (b));
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84 %! set (gca, 'ydir', 'reverse');
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85 %! xlabel ('loglog (a, abs (b))');
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86
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87 %!test
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88 %! hf = figure ("visible", "off");
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89 %! unwind_protect
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90 %! a = logspace (-5, 1, 10);
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91 %! b = logspace (-5, 1, 10);
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92 %! loglog (a, b);
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93 %! assert (get (gca, "yscale"), "log");
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94 %! assert (get (gca, "xscale"), "log");
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95 %! unwind_protect_cleanup
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96 %! close (hf);
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97 %! end_unwind_protect
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98
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99 %!test
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100 %! hf = figure ("visible", "off");
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101 %! unwind_protect
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102 %! a = logspace (-5, 1, 10);
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103 %! b =-logspace (-5, 1, 10);
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104 %! loglog (a, b);
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105 %! axis tight;
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106 %! assert (all (get (gca, "ytick") < 0));
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107 %! unwind_protect_cleanup
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108 %! close (hf);
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109 %! end_unwind_protect
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110