Mercurial > octave
annotate liboctave/util/lo-utils.h @ 23220:092078913d54
maint: Merge stable to default.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 22 Feb 2017 12:58:07 -0500 |
parents | ef4d915df748 3ac9f9ecfae5 |
children | 3f1bf237908b |
rev | line source |
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1967 | 1 /* |
2 | |
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3 Copyright (C) 1996-2017 John W. Eaton |
1967 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation; either version 3 of the License, or |
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10 (at your option) any later version. |
1967 | 11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
1967 | 16 |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
1967 | 20 |
21 */ | |
22 | |
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23 #if ! defined (octave_lo_utils_h) |
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24 #define octave_lo_utils_h 1 |
1967 | 25 |
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26 #include "octave-config.h" |
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27 |
2926 | 28 #include <cstdio> |
29 | |
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30 #include <iostream> |
2926 | 31 #include <string> |
32 | |
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33 #include "quit.h" |
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34 |
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35 #include "lo-cutils.h" |
4130 | 36 #include "oct-cmplx.h" |
37 | |
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38 // Generic any/all test functionality with arbitrary predicate. |
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39 |
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40 template <typename F, typename T, bool zero> |
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41 bool |
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42 any_all_test (F fcn, const T *m, octave_idx_type len) |
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43 { |
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44 octave_idx_type i; |
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45 |
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46 for (i = 0; i < len - 3; i += 4) |
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47 { |
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48 octave_quit (); |
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49 |
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50 if (fcn (m[i]) != zero |
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51 || fcn (m[i+1]) != zero |
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52 || fcn (m[i+2]) != zero |
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53 || fcn (m[i+3]) != zero) |
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54 return ! zero; |
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55 } |
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56 |
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57 octave_quit (); |
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58 |
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59 for (; i < len; i++) |
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60 if (fcn (m[i]) != zero) |
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61 return ! zero; |
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62 |
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63 return zero; |
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64 } |
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65 |
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66 extern OCTAVE_API bool xis_int_or_inf_or_nan (double x); |
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67 extern OCTAVE_API bool xis_one_or_zero (double x); |
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68 extern OCTAVE_API bool xis_zero (double x); |
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69 extern OCTAVE_API bool xtoo_large_for_float (double x); |
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70 |
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71 extern OCTAVE_API bool xtoo_large_for_float (const Complex& x); |
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72 |
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73 extern OCTAVE_API bool xis_int_or_inf_or_nan (float x); |
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74 extern OCTAVE_API bool xis_one_or_zero (float x); |
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75 extern OCTAVE_API bool xis_zero (float x); |
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76 extern OCTAVE_API bool xtoo_large_for_float (float x); |
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77 |
6108 | 78 extern OCTAVE_API char *strsave (const char *); |
2926 | 79 |
10180 | 80 extern OCTAVE_API void |
81 octave_putenv (const std::string&, const std::string&); | |
2926 | 82 |
6108 | 83 extern OCTAVE_API std::string octave_fgets (std::FILE *); |
84 extern OCTAVE_API std::string octave_fgetl (std::FILE *); | |
2926 | 85 |
6108 | 86 extern OCTAVE_API std::string octave_fgets (std::FILE *, bool& eof); |
87 extern OCTAVE_API std::string octave_fgetl (std::FILE *, bool& eof); | |
3970 | 88 |
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89 template <typename T> |
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90 T |
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91 octave_read_value (std::istream& is) |
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92 { |
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93 T retval; |
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94 is >> retval; |
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95 return retval; |
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96 } |
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97 |
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98 template <> OCTAVE_API double octave_read_value (std::istream& is); |
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99 template <> OCTAVE_API Complex octave_read_value (std::istream& is); |
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100 template <> OCTAVE_API float octave_read_value (std::istream& is); |
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101 template <> OCTAVE_API FloatComplex octave_read_value (std::istream& is); |
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102 |
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103 // The next four functions are provided for backward compatibility. |
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104 inline double |
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105 octave_read_double (std::istream& is) |
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106 { |
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107 return octave_read_value<double> (is); |
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108 } |
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109 |
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110 inline Complex |
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111 octave_read_complex (std::istream& is) |
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112 { |
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113 return octave_read_value<Complex> (is); |
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114 } |
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115 |
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116 inline float |
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117 octave_read_float (std::istream& is) |
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118 { |
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119 return octave_read_value<float> (is); |
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120 } |
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121 |
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122 inline FloatComplex |
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123 octave_read_float_complex (std::istream& is) |
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124 { |
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125 return octave_read_value<FloatComplex> (is); |
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126 } |
4130 | 127 |
10180 | 128 extern OCTAVE_API void |
129 octave_write_double (std::ostream& os, double dval); | |
130 | |
131 extern OCTAVE_API void | |
132 octave_write_complex (std::ostream& os, const Complex& cval); | |
4130 | 133 |
10180 | 134 extern OCTAVE_API void |
135 octave_write_float (std::ostream& os, float dval); | |
136 | |
137 extern OCTAVE_API void | |
138 octave_write_float_complex (std::ostream& os, const FloatComplex& cval); | |
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139 |
1967 | 140 #endif |