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annotate liboctave/lo-utils.h @ 11185:5b48695f3c13

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Making 'axis equal' equivalent to 'daspect([1,1,1])'
author Konstantinos Poulios <logari81@googlemail.com>
date Wed, 03 Nov 2010 11:11:47 +0100
parents 9478b216752e
children 2554b4a0806e
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1 /*
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2
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3 Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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4 2007, 2008 John W. Eaton
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5
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
4cb6aaa0f2c7 [project @ 1996-02-17 02:54:24 by jwe]
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24 #if !defined (octave_liboctave_utils_h)
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25 #define octave_liboctave_utils_h 1
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26
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27 #include <cstdio>
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28
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29 #include <iostream>
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30 #include <string>
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31
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32 #include "oct-cmplx.h"
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33 #include "syswait.h"
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34
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35 extern OCTAVE_API octave_idx_type NINTbig (double x);
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36 extern OCTAVE_API octave_idx_type NINTbig (float x);
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37 extern OCTAVE_API int NINT (double x);
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38 extern OCTAVE_API int NINT (float x);
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39 extern OCTAVE_API double D_NINT (double x);
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40 extern OCTAVE_API float F_NINT (float x);
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41
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42 extern OCTAVE_API bool xis_int_or_inf_or_nan (double x);
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43 extern OCTAVE_API bool xis_one_or_zero (double x);
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44 extern OCTAVE_API bool xis_zero (double x);
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45 extern OCTAVE_API bool xtoo_large_for_float (double x);
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46
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47 extern OCTAVE_API bool xis_int_or_inf_or_nan (float x);
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48 extern OCTAVE_API bool xis_one_or_zero (float x);
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49 extern OCTAVE_API bool xis_zero (float x);
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50 extern OCTAVE_API bool xtoo_large_for_float (float x);
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51
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52 extern OCTAVE_API char *strsave (const char *);
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53
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54 extern OCTAVE_API void
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55 octave_putenv (const std::string&, const std::string&);
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56
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57 extern OCTAVE_API std::string octave_fgets (std::FILE *);
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58 extern OCTAVE_API std::string octave_fgetl (std::FILE *);
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60 extern OCTAVE_API std::string octave_fgets (std::FILE *, bool& eof);
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61 extern OCTAVE_API std::string octave_fgetl (std::FILE *, bool& eof);
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63 extern "C" OCTAVE_API void
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64 octave_qsort (void *base, size_t n, size_t size,
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65 int (*cmp) (const void *, const void *));
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66
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67 extern "C" OCTAVE_API int
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68 octave_strcasecmp (const char *s1, const char *s2);
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70 extern "C" OCTAVE_API int
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71 octave_strncasecmp (const char *s1, const char *s2, size_t n);
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73 template <typename T>
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74 T
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75 octave_read_value (std::istream& is)
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76 {
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77 T retval;
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78 is >> retval;
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79 return retval;
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80 }
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81
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82 template <> OCTAVE_API double octave_read_value (std::istream& is);
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83 template <> OCTAVE_API Complex octave_read_value (std::istream& is);
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84 template <> OCTAVE_API float octave_read_value (std::istream& is);
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85 template <> OCTAVE_API FloatComplex octave_read_value (std::istream& is);
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86
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87 // The next four functions are provided for backward compatibility.
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88 inline double
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89 octave_read_double (std::istream& is)
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90 {
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91 return octave_read_value<double> (is);
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92 }
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93
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94 inline Complex
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95 octave_read_complex (std::istream& is)
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96 {
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97 return octave_read_value<Complex> (is);
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98 }
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99
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100 inline float
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101 octave_read_float (std::istream& is)
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102 {
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103 return octave_read_value<float> (is);
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104 }
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105
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106 inline FloatComplex
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107 octave_read_float_complex (std::istream& is)
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108 {
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109 return octave_read_value<FloatComplex> (is);
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110 }
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112 extern OCTAVE_API void
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113 octave_write_double (std::ostream& os, double dval);
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114
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115 extern OCTAVE_API void
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116 octave_write_complex (std::ostream& os, const Complex& cval);
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118 extern OCTAVE_API void
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119 octave_write_float (std::ostream& os, float dval);
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120
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121 extern OCTAVE_API void
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122 octave_write_float_complex (std::ostream& os, const FloatComplex& cval);
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123
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124 #ifdef HAVE_LOADLIBRARY_API
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125 #define WIN32_LEAN_AND_MEAN
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126 #include <windows.h>
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127 extern "C" OCTAVE_API void *
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128 octave_w32_library_search (HINSTANCE handle, const char *name);
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129 #endif
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130
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131 extern "C" OCTAVE_API pid_t
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132 octave_waitpid (pid_t pid, int *status, int options);
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133
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134 #endif