Mercurial > hg > octave-nkf
annotate src/ov-complex.cc @ 14861:f7afecdd87ef
maint: Use Octave coding conventions for cuddling parentheses in src/ directory
* bitfcns.cc, comment-list.cc, data.cc, defun.cc, error.cc, gl-render.cc,
graphics.cc, graphics.in.h, load-path.cc, load-path.h, load-save.cc,
ls-hdf5.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-ascii.cc, mappers.cc, mex.cc,
oct-map.cc, oct-obj.cc, ov-base-int.cc, ov-base-mat.h, ov-base-sparse.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-cell.cc, ov-class.cc, ov-complex.cc,
ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-mat.cc,
ov-flt-re-mat.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc,
ov-struct.cc, ov-usr-fcn.cc, ov.cc, pr-output.cc, procstream.h, sighandlers.cc,
sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, symtab.cc, syscalls.cc, sysdep.cc,
txt-eng-ft.cc, variables.cc, zfstream.cc, zfstream.h: Use Octave coding
conventions for cuddling parentheses.
author | Rik <octave@nomad.inbox5.com> |
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date | Sat, 14 Jul 2012 06:22:56 -0700 |
parents | 13cc11418393 |
children |
rev | line source |
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2376 | 1 /* |
2 | |
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3 Copyright (C) 1996-2012 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 | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
2376 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
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 | |
23 #ifdef HAVE_CONFIG_H | |
24 #include <config.h> | |
25 #endif | |
26 | |
3503 | 27 #include <iostream> |
2901 | 28 |
2376 | 29 #include "lo-ieee.h" |
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30 #include "lo-specfun.h" |
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31 #include "lo-mappers.h" |
2376 | 32 |
33 #include "oct-obj.h" | |
4944 | 34 #include "oct-stream.h" |
2410 | 35 #include "ops.h" |
2376 | 36 #include "ov-complex.h" |
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37 #include "ov-flt-complex.h" |
3223 | 38 #include "ov-base.h" |
39 #include "ov-base-scalar.h" | |
40 #include "ov-base-scalar.cc" | |
2423 | 41 #include "ov-cx-mat.h" |
2410 | 42 #include "ov-scalar.h" |
2376 | 43 #include "gripes.h" |
44 #include "pr-output.h" | |
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45 #include "ops.h" |
2376 | 46 |
4687 | 47 #include "ls-oct-ascii.h" |
48 #include "ls-hdf5.h" | |
49 | |
3223 | 50 template class octave_base_scalar<Complex>; |
51 | |
3219 | 52 DEFINE_OCTAVE_ALLOCATOR (octave_complex); |
2376 | 53 |
4612 | 54 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_complex, |
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55 "complex scalar", "double"); |
2376 | 56 |
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57 static octave_base_value * |
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58 default_numeric_demotion_function (const octave_base_value& a) |
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59 { |
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60 CAST_CONV_ARG (const octave_complex&); |
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61 |
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62 return new octave_float_complex (v.float_complex_value ()); |
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63 } |
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64 |
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65 octave_base_value::type_conv_info |
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66 octave_complex::numeric_demotion_function (void) const |
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67 { |
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68 return octave_base_value::type_conv_info (default_numeric_demotion_function, |
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69 octave_float_complex::static_type_id ()); |
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70 } |
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71 |
5759 | 72 octave_base_value * |
2410 | 73 octave_complex::try_narrowing_conversion (void) |
74 { | |
5759 | 75 octave_base_value *retval = 0; |
2410 | 76 |
5450 | 77 double im = std::imag (scalar); |
78 | |
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79 if (im == 0.0) |
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80 retval = new octave_scalar (std::real (scalar)); |
2410 | 81 |
82 return retval; | |
83 } | |
84 | |
2376 | 85 octave_value |
5885 | 86 octave_complex::do_index_op (const octave_value_list& idx, bool resize_ok) |
2376 | 87 { |
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88 // FIXME -- this doesn't solve the problem of |
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89 // |
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90 // a = i; a([1,1], [1,1], [1,1]) |
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91 // |
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92 // and similar constructions. Hmm... |
2376 | 93 |
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94 // FIXME -- using this constructor avoids narrowing the |
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95 // 1x1 matrix back to a scalar value. Need a better solution |
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96 // to this problem. |
2376 | 97 |
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98 octave_value tmp (new octave_complex_matrix (complex_matrix_value ())); |
2423 | 99 |
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100 return tmp.do_index_op (idx, resize_ok); |
2376 | 101 } |
102 | |
103 double | |
104 octave_complex::double_value (bool force_conversion) const | |
105 { | |
4102 | 106 double retval = lo_ieee_nan_value (); |
2376 | 107 |
5781 | 108 if (! force_conversion) |
109 gripe_implicit_conversion ("Octave:imag-to-real", | |
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110 "complex scalar", "real scalar"); |
2376 | 111 |
4451 | 112 retval = std::real (scalar); |
2376 | 113 |
114 return retval; | |
115 } | |
116 | |
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117 float |
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118 octave_complex::float_value (bool force_conversion) const |
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119 { |
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120 float retval = lo_ieee_float_nan_value (); |
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121 |
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122 if (! force_conversion) |
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123 gripe_implicit_conversion ("Octave:imag-to-real", |
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124 "complex scalar", "real scalar"); |
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125 |
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126 retval = std::real (scalar); |
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127 |
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128 return retval; |
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129 } |
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130 |
2376 | 131 Matrix |
132 octave_complex::matrix_value (bool force_conversion) const | |
133 { | |
134 Matrix retval; | |
135 | |
5781 | 136 if (! force_conversion) |
137 gripe_implicit_conversion ("Octave:imag-to-real", | |
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138 "complex scalar", "real matrix"); |
2376 | 139 |
4451 | 140 retval = Matrix (1, 1, std::real (scalar)); |
2376 | 141 |
142 return retval; | |
143 } | |
144 | |
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145 FloatMatrix |
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146 octave_complex::float_matrix_value (bool force_conversion) const |
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147 { |
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148 FloatMatrix retval; |
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149 |
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150 if (! force_conversion) |
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151 gripe_implicit_conversion ("Octave:imag-to-real", |
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152 "complex scalar", "real matrix"); |
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153 |
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154 retval = FloatMatrix (1, 1, std::real (scalar)); |
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155 |
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156 return retval; |
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157 } |
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158 |
4569 | 159 NDArray |
160 octave_complex::array_value (bool force_conversion) const | |
161 { | |
162 NDArray retval; | |
163 | |
5781 | 164 if (! force_conversion) |
165 gripe_implicit_conversion ("Octave:imag-to-real", | |
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166 "complex scalar", "real matrix"); |
4569 | 167 |
168 retval = NDArray (dim_vector (1, 1), std::real (scalar)); | |
169 | |
170 return retval; | |
171 } | |
172 | |
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173 FloatNDArray |
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174 octave_complex::float_array_value (bool force_conversion) const |
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175 { |
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176 FloatNDArray retval; |
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177 |
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178 if (! force_conversion) |
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179 gripe_implicit_conversion ("Octave:imag-to-real", |
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180 "complex scalar", "real matrix"); |
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181 |
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182 retval = FloatNDArray (dim_vector (1, 1), std::real (scalar)); |
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183 |
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184 return retval; |
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185 } |
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186 |
2376 | 187 Complex |
188 octave_complex::complex_value (bool) const | |
189 { | |
190 return scalar; | |
191 } | |
192 | |
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193 FloatComplex |
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194 octave_complex::float_complex_value (bool) const |
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195 { |
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196 return static_cast<FloatComplex> (scalar); |
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197 } |
2376 | 198 |
199 ComplexMatrix | |
200 octave_complex::complex_matrix_value (bool) const | |
201 { | |
202 return ComplexMatrix (1, 1, scalar); | |
203 } | |
204 | |
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205 FloatComplexMatrix |
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206 octave_complex::float_complex_matrix_value (bool) const |
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207 { |
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208 return FloatComplexMatrix (1, 1, static_cast<FloatComplex> (scalar)); |
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209 } |
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210 |
4569 | 211 ComplexNDArray |
4664 | 212 octave_complex::complex_array_value (bool /* force_conversion */) const |
4569 | 213 { |
214 return ComplexNDArray (dim_vector (1, 1), scalar); | |
215 } | |
216 | |
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217 FloatComplexNDArray |
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218 octave_complex::float_complex_array_value (bool /* force_conversion */) const |
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219 { |
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220 return FloatComplexNDArray (dim_vector (1, 1), static_cast<FloatComplex> (scalar)); |
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221 } |
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222 |
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223 octave_value |
5731 | 224 octave_complex::resize (const dim_vector& dv, bool fill) const |
225 { | |
226 if (fill) | |
227 { | |
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228 ComplexNDArray retval (dv, Complex (0)); |
5731 | 229 |
230 if (dv.numel ()) | |
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231 retval(0) = scalar; |
5731 | 232 |
233 return retval; | |
234 } | |
235 else | |
236 { | |
237 ComplexNDArray retval (dv); | |
238 | |
239 if (dv.numel ()) | |
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240 retval(0) = scalar; |
5731 | 241 |
242 return retval; | |
243 } | |
244 } | |
245 | |
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246 octave_value |
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247 octave_complex::diag (octave_idx_type m, octave_idx_type n) const |
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248 { |
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249 return ComplexDiagMatrix (Array<Complex> (dim_vector (1, 1), scalar), m, n); |
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250 } |
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251 |
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252 bool |
6974 | 253 octave_complex::save_ascii (std::ostream& os) |
4687 | 254 { |
255 Complex c = complex_value (); | |
256 | |
5958 | 257 octave_write_complex (os, c); |
4687 | 258 |
5958 | 259 os << "\n"; |
4687 | 260 |
261 return true; | |
262 } | |
263 | |
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264 bool |
4687 | 265 octave_complex::load_ascii (std::istream& is) |
266 { | |
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267 scalar = octave_read_value<Complex> (is); |
4687 | 268 |
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269 if (!is) |
4687 | 270 { |
271 error ("load: failed to load complex scalar constant"); | |
272 return false; | |
273 } | |
274 | |
275 return true; | |
276 } | |
277 | |
278 | |
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279 bool |
4687 | 280 octave_complex::save_binary (std::ostream& os, bool& /* save_as_floats */) |
281 { | |
5760 | 282 char tmp = static_cast<char> (LS_DOUBLE); |
283 os.write (reinterpret_cast<char *> (&tmp), 1); | |
4687 | 284 Complex ctmp = complex_value (); |
5760 | 285 os.write (reinterpret_cast<char *> (&ctmp), 16); |
4687 | 286 |
287 return true; | |
288 } | |
289 | |
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290 bool |
4687 | 291 octave_complex::load_binary (std::istream& is, bool swap, |
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292 oct_mach_info::float_format fmt) |
4687 | 293 { |
294 char tmp; | |
5760 | 295 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
4687 | 296 return false; |
297 | |
298 Complex ctmp; | |
5760 | 299 read_doubles (is, reinterpret_cast<double *> (&ctmp), |
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300 static_cast<save_type> (tmp), 2, swap, fmt); |
4687 | 301 if (error_state || ! is) |
302 return false; | |
303 | |
304 scalar = ctmp; | |
305 return true; | |
306 } | |
307 | |
308 #if defined (HAVE_HDF5) | |
4944 | 309 |
4687 | 310 bool |
311 octave_complex::save_hdf5 (hid_t loc_id, const char *name, | |
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312 bool /* save_as_floats */) |
4687 | 313 { |
314 hsize_t dimens[3]; | |
315 hid_t space_hid = -1, type_hid = -1, data_hid = -1; | |
316 bool retval = true; | |
317 | |
4815 | 318 space_hid = H5Screate_simple (0, dimens, 0); |
4837 | 319 if (space_hid < 0) |
320 return false; | |
4687 | 321 |
322 type_hid = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); | |
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323 if (type_hid < 0) |
4687 | 324 { |
325 H5Sclose (space_hid); | |
326 return false; | |
327 } | |
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328 #if HAVE_HDF5_18 |
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329 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, |
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330 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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331 #else |
4687 | 332 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, H5P_DEFAULT); |
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333 #endif |
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334 if (data_hid < 0) |
4687 | 335 { |
336 H5Sclose (space_hid); | |
337 H5Tclose (type_hid); | |
338 return false; | |
339 } | |
340 | |
341 Complex tmp = complex_value (); | |
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342 retval = H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
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343 &tmp) >= 0; |
4687 | 344 |
345 H5Dclose (data_hid); | |
346 H5Tclose (type_hid); | |
347 H5Sclose (space_hid); | |
4837 | 348 |
4687 | 349 return retval; |
350 } | |
351 | |
352 bool | |
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353 octave_complex::load_hdf5 (hid_t loc_id, const char *name) |
4687 | 354 { |
355 bool retval = false; | |
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356 #if HAVE_HDF5_18 |
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357 hid_t data_hid = H5Dopen (loc_id, name, H5P_DEFAULT); |
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358 #else |
4687 | 359 hid_t data_hid = H5Dopen (loc_id, name); |
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360 #endif |
4687 | 361 hid_t type_hid = H5Dget_type (data_hid); |
362 | |
363 hid_t complex_type = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); | |
364 | |
365 if (! hdf5_types_compatible (type_hid, complex_type)) | |
366 { | |
4837 | 367 H5Tclose (complex_type); |
4687 | 368 H5Dclose (data_hid); |
369 return false; | |
370 } | |
371 | |
372 hid_t space_id = H5Dget_space (data_hid); | |
373 hsize_t rank = H5Sget_simple_extent_ndims (space_id); | |
374 | |
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375 if (rank != 0) |
4687 | 376 { |
4837 | 377 H5Tclose (complex_type); |
4687 | 378 H5Sclose (space_id); |
379 H5Dclose (data_hid); | |
380 return false; | |
381 } | |
382 | |
383 // complex scalar: | |
384 Complex ctmp; | |
385 if (H5Dread (data_hid, complex_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, | |
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386 &ctmp) >= 0) |
4687 | 387 { |
388 retval = true; | |
389 scalar = ctmp; | |
390 } | |
391 | |
4837 | 392 H5Tclose (complex_type); |
4687 | 393 H5Sclose (space_id); |
394 H5Dclose (data_hid); | |
4837 | 395 |
4687 | 396 return retval; |
397 } | |
4944 | 398 |
4687 | 399 #endif |
400 | |
5900 | 401 mxArray * |
402 octave_complex::as_mxArray (void) const | |
403 { | |
404 mxArray *retval = new mxArray (mxDOUBLE_CLASS, 1, 1, mxCOMPLEX); | |
405 | |
406 double *pr = static_cast<double *> (retval->get_data ()); | |
407 double *pi = static_cast<double *> (retval->get_imag_data ()); | |
408 | |
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409 pr[0] = std::real (scalar); |
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410 pi[0] = std::imag (scalar); |
5900 | 411 |
412 return retval; | |
413 } | |
414 | |
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415 octave_value |
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416 octave_complex::map (unary_mapper_t umap) const |
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417 { |
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418 switch (umap) |
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419 { |
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420 #define SCALAR_MAPPER(UMAP, FCN) \ |
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421 case umap_ ## UMAP: \ |
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422 return octave_value (FCN (scalar)) |
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423 |
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424 SCALAR_MAPPER (abs, std::abs); |
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425 SCALAR_MAPPER (acos, ::acos); |
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426 SCALAR_MAPPER (acosh, ::acosh); |
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427 SCALAR_MAPPER (angle, std::arg); |
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428 SCALAR_MAPPER (arg, std::arg); |
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429 SCALAR_MAPPER (asin, ::asin); |
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430 SCALAR_MAPPER (asinh, ::asinh); |
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431 SCALAR_MAPPER (atan, ::atan); |
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432 SCALAR_MAPPER (atanh, ::atanh); |
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433 SCALAR_MAPPER (ceil, ::ceil); |
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434 SCALAR_MAPPER (conj, std::conj); |
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435 SCALAR_MAPPER (cos, std::cos); |
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436 SCALAR_MAPPER (cosh, std::cosh); |
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437 SCALAR_MAPPER (exp, std::exp); |
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438 SCALAR_MAPPER (expm1, ::expm1); |
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439 SCALAR_MAPPER (fix, ::fix); |
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440 SCALAR_MAPPER (floor, ::floor); |
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441 SCALAR_MAPPER (imag, std::imag); |
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442 SCALAR_MAPPER (log, std::log); |
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443 SCALAR_MAPPER (log2, xlog2); |
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444 SCALAR_MAPPER (log10, std::log10); |
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445 SCALAR_MAPPER (log1p, ::log1p); |
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446 SCALAR_MAPPER (real, std::real); |
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447 SCALAR_MAPPER (round, xround); |
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448 SCALAR_MAPPER (roundb, xroundb); |
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449 SCALAR_MAPPER (signum, ::signum); |
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450 SCALAR_MAPPER (sin, std::sin); |
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451 SCALAR_MAPPER (sinh, std::sinh); |
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452 SCALAR_MAPPER (sqrt, std::sqrt); |
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453 SCALAR_MAPPER (tan, std::tan); |
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454 SCALAR_MAPPER (tanh, std::tanh); |
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455 SCALAR_MAPPER (finite, xfinite); |
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456 SCALAR_MAPPER (isinf, xisinf); |
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457 SCALAR_MAPPER (isna, octave_is_NA); |
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458 SCALAR_MAPPER (isnan, xisnan); |
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459 |
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460 default: |
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461 return octave_base_value::map (umap); |
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462 } |
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463 } |