Mercurial > octave
annotate libinterp/octave-value/ov-scalar.cc @ 23564:7049da1648c0
Deprecate octave::math::finite in favor of octave::math::isfinite.
New name matches is clearer about what function does as it matches both
Octave's m-file language and C++11.
* lo-mappers.h (isfinite): Declare new function isfinite for double, float, and
std::complex types. Use OCTAVE_DEPRECATED macro for declarations of finite
function. Replace uses of octave::math::finite with octave::math::isfinite.
* lo-mappers.cc (isfinite): Implement new function isfinite for double and float
types.
* lo-mappers.cc (finite): Delete function finite for double and float types.
* gl-render.cc, graphics.cc, graphics.in.h, ls-mat5.cc, pr-output.cc,
quadcc.cc, ov-complex.cc, ov-cx-sparse.cc, ov-float.cc, ov-flt-complex.cc,
ov-re-sparse.cc, ov-scalar.cc, CNDArray.cc, Range.h, dNDArray.cc, fCNDArray.cc,
fNDArray.cc, lo-specfun.cc, oct-rand.cc, mx-inlines.cc, lo-utils.cc:
Replace uses of octave::math::finite with octave::math::isfinite.
author | Rik <rik@octave.org> |
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date | Thu, 08 Jun 2017 15:56:46 -0700 |
parents | 092078913d54 |
children | 6ed4d6e306ba |
rev | line source |
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2376 | 1 /* |
2 | |
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3 Copyright (C) 1996-2017 John W. Eaton |
2376 | 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. |
2376 | 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. |
2376 | 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/>. | |
2376 | 20 |
21 */ | |
22 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
2376 | 25 #endif |
26 | |
3503 | 27 #include <iostream> |
2901 | 28 |
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29 #include "oct-inttypes.h" |
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30 |
4944 | 31 #include "data-conv.h" |
32 #include "mach-info.h" | |
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33 #include "lo-specfun.h" |
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34 #include "lo-mappers.h" |
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2376 | 36 #include "defun.h" |
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37 #include "errwarn.h" |
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38 #include "mxarray.h" |
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39 #include "ovl.h" |
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40 #include "oct-hdf5.h" |
4944 | 41 #include "oct-stream.h" |
2376 | 42 #include "ov-scalar.h" |
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43 #include "ov-float.h" |
3223 | 44 #include "ov-base.h" |
45 #include "ov-base-scalar.h" | |
46 #include "ov-base-scalar.cc" | |
2423 | 47 #include "ov-re-mat.h" |
2376 | 48 #include "ov-typeinfo.h" |
49 #include "pr-output.h" | |
50 #include "xdiv.h" | |
51 #include "xpow.h" | |
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52 #include "ops.h" |
2376 | 53 |
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54 #include "ls-oct-text.h" |
4687 | 55 #include "ls-hdf5.h" |
56 | |
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57 // Prevent implicit instantiations on some systems (Windows, others?) |
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58 // that can lead to duplicate definitions of static data members. |
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59 |
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60 extern template class OCTINTERP_API octave_base_scalar<float>; |
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61 |
3223 | 62 template class octave_base_scalar<double>; |
63 | |
4612 | 64 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_scalar, "scalar", "double"); |
2376 | 65 |
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66 static octave_base_value * |
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67 default_numeric_demotion_function (const octave_base_value& a) |
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68 { |
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69 const octave_scalar& v = dynamic_cast<const octave_scalar&> (a); |
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70 |
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71 return new octave_float_scalar (v.float_value ()); |
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72 } |
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73 |
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74 octave_base_value::type_conv_info |
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75 octave_scalar::numeric_demotion_function (void) const |
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76 { |
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77 return octave_base_value::type_conv_info |
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78 (default_numeric_demotion_function, |
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79 octave_float_scalar::static_type_id ()); |
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80 } |
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81 |
2376 | 82 octave_value |
5885 | 83 octave_scalar::do_index_op (const octave_value_list& idx, bool resize_ok) |
2376 | 84 { |
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85 // FIXME: this doesn't solve the problem of |
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86 // |
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87 // a = 1; a([1,1], [1,1], [1,1]) |
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88 // |
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89 // and similar constructions. Hmm... |
2376 | 90 |
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91 // FIXME: using this constructor avoids narrowing the |
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92 // 1x1 matrix back to a scalar value. Need a better solution |
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93 // to this problem. |
2376 | 94 |
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95 octave_value tmp (new octave_matrix (matrix_value ())); |
2423 | 96 |
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97 return tmp.do_index_op (idx, resize_ok); |
2376 | 98 } |
99 | |
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100 octave_value |
5731 | 101 octave_scalar::resize (const dim_vector& dv, bool fill) const |
102 { | |
103 if (fill) | |
104 { | |
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105 NDArray retval (dv, 0); |
5731 | 106 |
107 if (dv.numel ()) | |
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108 retval(0) = scalar; |
5731 | 109 |
110 return retval; | |
111 } | |
112 else | |
113 { | |
114 NDArray retval (dv); | |
115 | |
116 if (dv.numel ()) | |
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117 retval(0) = scalar; |
5731 | 118 |
119 return retval; | |
120 } | |
121 } | |
122 | |
2376 | 123 octave_value |
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124 octave_scalar::as_double (void) const |
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125 { |
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126 return scalar; |
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127 } |
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128 |
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129 octave_value |
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130 octave_scalar::as_single (void) const |
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131 { |
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132 return static_cast<float> (scalar); |
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133 } |
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134 |
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135 octave_value |
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136 octave_scalar::as_int8 (void) const |
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137 { |
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138 return octave_int8 (scalar); |
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139 } |
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140 |
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141 octave_value |
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142 octave_scalar::as_int16 (void) const |
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143 { |
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144 return octave_int16 (scalar); |
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145 } |
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146 |
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147 octave_value |
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148 octave_scalar::as_int32 (void) const |
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149 { |
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150 return octave_int32 (scalar); |
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151 } |
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152 |
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153 octave_value |
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154 octave_scalar::as_int64 (void) const |
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155 { |
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156 return octave_int64 (scalar); |
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157 } |
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158 |
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159 octave_value |
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160 octave_scalar::as_uint8 (void) const |
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161 { |
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162 return octave_uint8 (scalar); |
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163 } |
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164 |
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165 octave_value |
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166 octave_scalar::as_uint16 (void) const |
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167 { |
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168 return octave_uint16 (scalar); |
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169 } |
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170 |
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171 octave_value |
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172 octave_scalar::as_uint32 (void) const |
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173 { |
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174 return octave_uint32 (scalar); |
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175 } |
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176 |
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177 octave_value |
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178 octave_scalar::as_uint64 (void) const |
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179 { |
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180 return octave_uint64 (scalar); |
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181 } |
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182 |
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183 octave_value |
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184 octave_scalar::diag (octave_idx_type m, octave_idx_type n) const |
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185 { |
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186 return DiagMatrix (Array<double> (dim_vector (1, 1), scalar), m, n); |
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187 } |
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188 |
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189 octave_value |
5279 | 190 octave_scalar::convert_to_str_internal (bool, bool, char type) const |
2376 | 191 { |
192 octave_value retval; | |
193 | |
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194 if (octave::math::isnan (scalar)) |
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195 octave::err_nan_to_character_conversion (); |
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196 |
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197 int ival = octave::math::nint (scalar); |
4100 | 198 |
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199 if (ival < 0 || ival > std::numeric_limits<unsigned char>::max ()) |
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200 { |
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201 // FIXME: is there something better we could do? |
4100 | 202 |
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203 ival = 0; |
4100 | 204 |
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205 ::warning ("range error for conversion to character value"); |
2376 | 206 } |
207 | |
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208 retval = octave_value (std::string (1, static_cast<char> (ival)), type); |
2376 | 209 |
210 return retval; | |
211 } | |
212 | |
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213 bool |
6974 | 214 octave_scalar::save_ascii (std::ostream& os) |
4687 | 215 { |
216 double d = double_value (); | |
217 | |
5958 | 218 octave_write_double (os, d); |
219 | |
220 os << "\n"; | |
4687 | 221 |
222 return true; | |
223 } | |
224 | |
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225 bool |
4687 | 226 octave_scalar::load_ascii (std::istream& is) |
227 { | |
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228 scalar = octave_read_value<double> (is); |
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229 |
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230 if (! is) |
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231 error ("load: failed to load scalar constant"); |
4687 | 232 |
233 return true; | |
234 } | |
235 | |
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236 bool |
4687 | 237 octave_scalar::save_binary (std::ostream& os, bool& /* save_as_floats */) |
238 { | |
5760 | 239 char tmp = LS_DOUBLE; |
240 os.write (reinterpret_cast<char *> (&tmp), 1); | |
4687 | 241 double dtmp = double_value (); |
5760 | 242 os.write (reinterpret_cast<char *> (&dtmp), 8); |
4687 | 243 |
244 return true; | |
245 } | |
246 | |
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247 bool |
4687 | 248 octave_scalar::load_binary (std::istream& is, bool swap, |
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249 octave::mach_info::float_format fmt) |
4687 | 250 { |
251 char tmp; | |
5760 | 252 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
4687 | 253 return false; |
254 | |
255 double dtmp; | |
5760 | 256 read_doubles (is, &dtmp, static_cast<save_type> (tmp), 1, swap, fmt); |
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257 |
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258 if (! is) |
4687 | 259 return false; |
260 | |
261 scalar = dtmp; | |
262 return true; | |
263 } | |
264 | |
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265 bool |
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266 octave_scalar::save_hdf5 (octave_hdf5_id loc_id, const char *name, |
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267 bool /* save_as_floats */) |
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268 { |
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269 bool retval = false; |
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270 |
4687 | 271 #if defined (HAVE_HDF5) |
4944 | 272 |
4687 | 273 hsize_t dimens[3]; |
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274 hid_t space_hid, data_hid; |
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275 space_hid = data_hid = -1; |
4687 | 276 |
4815 | 277 space_hid = H5Screate_simple (0, dimens, 0); |
4687 | 278 if (space_hid < 0) return false; |
279 | |
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280 #if defined (HAVE_HDF5_18) |
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281 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, |
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282 octave_H5P_DEFAULT, octave_H5P_DEFAULT, octave_H5P_DEFAULT); |
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283 #else |
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284 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_DOUBLE, space_hid, |
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285 octave_H5P_DEFAULT); |
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286 #endif |
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287 if (data_hid < 0) |
4687 | 288 { |
289 H5Sclose (space_hid); | |
290 return false; | |
291 } | |
292 | |
293 double tmp = double_value (); | |
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294 retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, octave_H5S_ALL, octave_H5S_ALL, |
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295 octave_H5P_DEFAULT, &tmp) >= 0; |
4687 | 296 |
297 H5Dclose (data_hid); | |
298 H5Sclose (space_hid); | |
4837 | 299 |
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300 #else |
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301 octave_unused_parameter (loc_id); |
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302 octave_unused_parameter (name); |
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303 |
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304 warn_save ("hdf5"); |
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305 #endif |
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306 |
4687 | 307 return retval; |
308 } | |
309 | |
310 bool | |
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311 octave_scalar::load_hdf5 (octave_hdf5_id loc_id, const char *name) |
4687 | 312 { |
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313 #if defined (HAVE_HDF5) |
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314 |
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315 #if defined (HAVE_HDF5_18) |
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316 hid_t data_hid = H5Dopen (loc_id, name, octave_H5P_DEFAULT); |
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317 #else |
4687 | 318 hid_t data_hid = H5Dopen (loc_id, name); |
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319 #endif |
4687 | 320 hid_t space_id = H5Dget_space (data_hid); |
321 | |
322 hsize_t rank = H5Sget_simple_extent_ndims (space_id); | |
323 | |
324 if (rank != 0) | |
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325 { |
4687 | 326 H5Dclose (data_hid); |
327 return false; | |
328 } | |
329 | |
330 double dtmp; | |
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331 if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, octave_H5S_ALL, octave_H5S_ALL, |
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332 octave_H5P_DEFAULT, &dtmp) < 0) |
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333 { |
4687 | 334 H5Dclose (data_hid); |
335 return false; | |
336 } | |
337 | |
338 scalar = dtmp; | |
4837 | 339 |
4687 | 340 H5Dclose (data_hid); |
4837 | 341 |
4687 | 342 return true; |
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343 |
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344 #else |
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345 octave_unused_parameter (loc_id); |
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346 octave_unused_parameter (name); |
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347 |
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348 warn_load ("hdf5"); |
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349 |
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350 return false; |
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351 #endif |
4687 | 352 } |
4944 | 353 |
5900 | 354 mxArray * |
355 octave_scalar::as_mxArray (void) const | |
356 { | |
357 mxArray *retval = new mxArray (mxDOUBLE_CLASS, 1, 1, mxREAL); | |
358 | |
359 double *pr = static_cast<double *> (retval->get_data ()); | |
360 | |
361 pr[0] = scalar; | |
362 | |
363 return retval; | |
364 } | |
365 | |
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366 octave_value |
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367 octave_scalar::map (unary_mapper_t umap) const |
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368 { |
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369 switch (umap) |
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370 { |
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371 case umap_imag: |
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372 return 0.0; |
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373 |
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374 case umap_real: |
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375 case umap_conj: |
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376 return scalar; |
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377 |
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378 #define SCALAR_MAPPER(UMAP, FCN) \ |
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379 case umap_ ## UMAP: \ |
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380 return octave_value (FCN (scalar)) |
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381 |
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382 SCALAR_MAPPER (abs, ::fabs); |
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383 SCALAR_MAPPER (acos, octave::math::rc_acos); |
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384 SCALAR_MAPPER (acosh, octave::math::rc_acosh); |
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385 SCALAR_MAPPER (angle, octave::math::arg); |
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386 SCALAR_MAPPER (arg,octave::math ::arg); |
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387 SCALAR_MAPPER (asin, octave::math::rc_asin); |
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388 SCALAR_MAPPER (asinh, octave::math::asinh); |
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389 SCALAR_MAPPER (atan, ::atan); |
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390 SCALAR_MAPPER (atanh, octave::math::rc_atanh); |
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391 SCALAR_MAPPER (erf, octave::math::erf); |
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392 SCALAR_MAPPER (erfinv, octave::math::erfinv); |
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393 SCALAR_MAPPER (erfcinv, octave::math::erfcinv); |
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394 SCALAR_MAPPER (erfc, octave::math::erfc); |
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395 SCALAR_MAPPER (erfcx, octave::math::erfcx); |
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396 SCALAR_MAPPER (erfi, octave::math::erfi); |
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397 SCALAR_MAPPER (dawson, octave::math::dawson); |
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398 SCALAR_MAPPER (gamma, octave::math::gamma); |
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399 SCALAR_MAPPER (lgamma, octave::math::rc_lgamma); |
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400 SCALAR_MAPPER (cbrt, octave::math::cbrt); |
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401 SCALAR_MAPPER (ceil, ::ceil); |
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402 SCALAR_MAPPER (cos, ::cos); |
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403 SCALAR_MAPPER (cosh, ::cosh); |
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404 SCALAR_MAPPER (exp, ::exp); |
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405 SCALAR_MAPPER (expm1, octave::math::expm1); |
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406 SCALAR_MAPPER (fix, octave::math::fix); |
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407 SCALAR_MAPPER (floor, std::floor); |
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408 SCALAR_MAPPER (log, octave::math::rc_log); |
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409 SCALAR_MAPPER (log2, octave::math::rc_log2); |
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410 SCALAR_MAPPER (log10, octave::math::rc_log10); |
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411 SCALAR_MAPPER (log1p, octave::math::rc_log1p); |
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412 SCALAR_MAPPER (round, octave::math::round); |
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413 SCALAR_MAPPER (roundb, octave::math::roundb); |
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414 SCALAR_MAPPER (signum, octave::math::signum); |
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415 SCALAR_MAPPER (sin, ::sin); |
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416 SCALAR_MAPPER (sinh, ::sinh); |
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417 SCALAR_MAPPER (sqrt, octave::math::rc_sqrt); |
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418 SCALAR_MAPPER (tan, ::tan); |
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419 SCALAR_MAPPER (tanh, ::tanh); |
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420 SCALAR_MAPPER (isfinite, octave::math::isfinite); |
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421 SCALAR_MAPPER (isinf, octave::math::isinf); |
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422 SCALAR_MAPPER (isna, octave::math::is_NA); |
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423 SCALAR_MAPPER (isnan, octave::math::isnan); |
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424 SCALAR_MAPPER (xsignbit, octave::math::signbit); |
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425 |
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426 // Special cases for Matlab compatibility. |
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427 case umap_xtolower: |
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428 case umap_xtoupper: |
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429 return scalar; |
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430 |
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431 case umap_xisalnum: |
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432 case umap_xisalpha: |
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433 case umap_xisascii: |
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434 case umap_xiscntrl: |
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435 case umap_xisdigit: |
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436 case umap_xisgraph: |
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437 case umap_xislower: |
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438 case umap_xisprint: |
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439 case umap_xispunct: |
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440 case umap_xisspace: |
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441 case umap_xisupper: |
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442 case umap_xisxdigit: |
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443 case umap_xtoascii: |
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444 { |
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445 octave_value str_conv = convert_to_str (true, true); |
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446 return str_conv.map (umap); |
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447 } |
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448 |
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449 default: |
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450 return octave_base_value::map (umap); |
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451 } |
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452 } |
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453 |
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454 bool |
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455 octave_scalar::fast_elem_insert_self (void *where, builtin_type_t btyp) const |
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456 { |
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457 |
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458 // Support inline real->complex conversion. |
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459 if (btyp == btyp_double) |
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460 { |
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461 *(reinterpret_cast<double *>(where)) = scalar; |
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462 return true; |
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463 } |
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464 else if (btyp == btyp_complex) |
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465 { |
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466 *(reinterpret_cast<Complex *>(where)) = scalar; |
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467 return true; |
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468 } |
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469 else |
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470 return false; |
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471 } |