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increase audio buffer size * audiodevinfo.cc (BUFFER_SIZE): Increase from 512 to 8192. Use static const unsigned int instead of macro.
author John W. Eaton <jwe@octave.org>
date Thu, 08 Jan 2015 13:40:35 -0500
parents e433efa383e4
children 0e1f5a750d00
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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d63878346099 maint: Update copyright notices for release.
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1 ## Copyright (C) 2005-2013 Søren Hauberg
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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 {Command} {} doc @var{function_name}
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21 ## Display documentation for the function @var{function_name}
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22 ## directly from an online version of
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23 ## the printed manual, using the GNU Info browser. If invoked without
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24 ## any arguments, the manual is shown from the beginning.
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25 ##
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26 ## For example, the command @kbd{doc rand} starts the GNU Info browser
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27 ## at the @code{rand} node in the online version of the manual.
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28 ##
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29 ## Once the GNU Info browser is running, help for using it is available
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30 ## using the command @kbd{C-h}.
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31 ## @seealso{help}
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32 ## @end deftypefn
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33
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34 ## Author: Soren Hauberg <soren@hauberg.org>
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35 ## Adapted-by: jwe
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36
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37 function retval = doc (fname)
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38
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39 if (nargin == 0 || nargin == 1)
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40
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41 ftype = 0;
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42
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43 if (nargin == 1)
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44 ## Get the directory where the function lives.
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45 ## FIXME: Maybe we should have a better way of doing this?
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46
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47 if (ischar (fname))
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48 ftype = exist (fname);
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49 else
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50 error ("doc: expecting argument to be a character string");
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51 endif
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52 else
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53 fname = "";
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54 endif
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55
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56 ## if GUI is running, let it display the function
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57 if isguirunning ()
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58 __octave_link_show_doc__ (fname);
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59 else
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60
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61 if (ftype == 2 || ftype == 3)
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62 ffile = which (fname);
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63 else
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64 ffile = "";
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65 endif
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66
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67 if (isempty (ffile))
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68 info_dir = octave_config_info ("infodir");
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69 else
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70 info_dir = fileparts (ffile);
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71 endif
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72
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73 ## Determine if a file called doc.info exist in the same
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74 ## directory as the function.
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75
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76 info_file_name = fullfile (info_dir, "doc.info");
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77
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78 [stat_info, err] = stat (info_file_name);
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79
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80 if (err < 0)
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81 info_file_name = info_file ();
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82
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83 if (! exist (info_file_name, "file")
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84 && ! exist ([info_file_name ".gz"], "file")
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85 && ! exist ([info_file_name ".bz2"], "file"))
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86 __gripe_missing_component__ ("doc", "info-file");
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87 endif
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88 endif
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89
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90 ## FIXME: Don't change the order of the arguments below because
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91 ## the info-emacs-info script currently expects --directory DIR as
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92 ## the third and fourth arguments. Someone should fix that.
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93
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94 cmd = sprintf ("\"%s\" --file \"%s\" --directory \"%s\"",
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95 info_program (), info_file_name, info_dir);
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96
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97 have_fname = ! isempty (fname);
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98
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99 if (have_fname)
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100 status = system (sprintf ("%s --index-search \"%s\"", cmd, fname));
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101 endif
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102
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103
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104 if (! (have_fname && status == 0))
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105 status = system (cmd);
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106 if (status == 127)
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107 warning ("unable to find info program '%s'", info_program ());
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108 endif
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109 endif
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110
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111 if (nargout > 0)
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112 retval = status;
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113 endif
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114
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115 endif
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116 else
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117 print_usage ();
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118 endif
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119
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120 endfunction
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121
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122
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123 %!test
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124 %! ifile = info_file ();
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125 %! if (exist (ifile) != 2 && exist (sprintf ("%s.gz", ifile)) != 2)
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126 %! error ("Info file %s or %s.gz does not exist!", ifile, ifile);
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127 %! endif
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128