Mercurial > octave
annotate liboctave/array/CColVector.cc @ 21129:228b65504557
maint: Eliminate useless statements after err_XXX.
* Cell.cc, data.cc, eig.cc, hess.cc, oct-hist.cc, oct-stream.cc, rand.cc,
audioread.cc, ov-base.cc, ov-class.cc, ov.cc, op-int.h, ops.h, CColVector.cc,
CDiagMatrix.cc, CMatrix.cc, CRowVector.cc, DiagArray2.cc, MDiagArray2.cc,
PermMatrix.cc, dMatrix.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc,
fCRowVector.cc, fMatrix.cc, idx-vector.cc, CmplxGEPBAL.cc, dbleGEPBAL.cc,
fCmplxGEPBAL.cc, floatGEPBAL.cc, Sparse-diag-op-defs.h, Sparse-op-defs.h,
Sparse-perm-op-defs.h, mx-inlines.cc, mx-op-defs.h:
maint: Eliminate useless statements after err_XXX.
| author | Rik <rik@octave.org> |
|---|---|
| date | Thu, 21 Jan 2016 12:54:17 -0800 |
| parents | 499b851fbfae |
| children | 7cac4e7458f2 |
| rev | line source |
|---|---|
| 1993 | 1 // ColumnVector manipulations. |
| 458 | 2 /* |
| 3 | |
|
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4 Copyright (C) 1994-2015 John W. Eaton |
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5 Copyright (C) 2010 VZLU Prague |
| 458 | 6 |
| 7 This file is part of Octave. | |
| 8 | |
| 9 Octave is free software; you can redistribute it and/or modify it | |
| 10 under the terms of the GNU General Public License as published by the | |
| 7016 | 11 Free Software Foundation; either version 3 of the License, or (at your |
| 12 option) any later version. | |
| 458 | 13 |
| 14 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 17 for more details. | |
| 18 | |
| 19 You should have received a copy of the GNU General Public License | |
| 7016 | 20 along with Octave; see the file COPYING. If not, see |
| 21 <http://www.gnu.org/licenses/>. | |
| 458 | 22 |
| 23 */ | |
| 24 | |
| 25 #ifdef HAVE_CONFIG_H | |
| 1192 | 26 #include <config.h> |
| 458 | 27 #endif |
| 28 | |
| 3503 | 29 #include <iostream> |
| 458 | 30 |
| 4669 | 31 #include "Array-util.h" |
| 1847 | 32 #include "f77-fcn.h" |
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33 #include "functor.h" |
| 1368 | 34 #include "lo-error.h" |
| 458 | 35 #include "mx-base.h" |
| 36 #include "mx-inlines.cc" | |
| 1650 | 37 #include "oct-cmplx.h" |
| 458 | 38 |
| 39 // Fortran functions we call. | |
| 40 | |
| 41 extern "C" | |
| 42 { | |
| 4552 | 43 F77_RET_T |
| 44 F77_FUNC (zgemv, ZGEMV) (F77_CONST_CHAR_ARG_DECL, | |
| 11518 | 45 const octave_idx_type&, const octave_idx_type&, |
| 46 const Complex&, const Complex*, | |
| 47 const octave_idx_type&, const Complex*, | |
| 48 const octave_idx_type&, const Complex&, | |
| 49 Complex*, const octave_idx_type& | |
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50 F77_CHAR_ARG_LEN_DECL); |
| 458 | 51 } |
| 52 | |
| 1360 | 53 // Complex Column Vector class |
| 458 | 54 |
| 55 ComplexColumnVector::ComplexColumnVector (const ColumnVector& a) | |
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56 : MArray<Complex> (a) |
| 458 | 57 { |
| 58 } | |
| 59 | |
| 2386 | 60 bool |
| 458 | 61 ComplexColumnVector::operator == (const ComplexColumnVector& a) const |
| 62 { | |
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63 octave_idx_type len = numel (); |
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64 if (len != a.numel ()) |
| 458 | 65 return 0; |
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66 return mx_inline_equal (len, data (), a.data ()); |
| 458 | 67 } |
| 68 | |
| 2386 | 69 bool |
| 458 | 70 ComplexColumnVector::operator != (const ComplexColumnVector& a) const |
| 71 { | |
| 72 return !(*this == a); | |
| 73 } | |
| 74 | |
| 75 // destructive insert/delete/reorder operations | |
| 76 | |
| 77 ComplexColumnVector& | |
| 5275 | 78 ComplexColumnVector::insert (const ColumnVector& a, octave_idx_type r) |
| 458 | 79 { |
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80 octave_idx_type a_len = a.numel (); |
| 4316 | 81 |
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82 if (r < 0 || r + a_len > numel ()) |
| 458 | 83 { |
| 84 (*current_liboctave_error_handler) ("range error for insert"); | |
| 85 return *this; | |
| 86 } | |
| 87 | |
| 4316 | 88 if (a_len > 0) |
| 89 { | |
| 90 make_unique (); | |
| 91 | |
| 5275 | 92 for (octave_idx_type i = 0; i < a_len; i++) |
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93 xelem (r+i) = a.elem (i); |
| 4316 | 94 } |
| 458 | 95 |
| 96 return *this; | |
| 97 } | |
| 98 | |
| 99 ComplexColumnVector& | |
| 5275 | 100 ComplexColumnVector::insert (const ComplexColumnVector& a, octave_idx_type r) |
| 458 | 101 { |
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102 octave_idx_type a_len = a.numel (); |
| 4316 | 103 |
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104 if (r < 0 || r + a_len > numel ()) |
| 458 | 105 { |
| 106 (*current_liboctave_error_handler) ("range error for insert"); | |
| 107 return *this; | |
| 108 } | |
| 109 | |
| 4316 | 110 if (a_len > 0) |
| 111 { | |
| 112 make_unique (); | |
| 113 | |
| 5275 | 114 for (octave_idx_type i = 0; i < a_len; i++) |
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115 xelem (r+i) = a.elem (i); |
| 4316 | 116 } |
| 458 | 117 |
| 118 return *this; | |
| 119 } | |
| 120 | |
| 121 ComplexColumnVector& | |
| 122 ComplexColumnVector::fill (double val) | |
| 123 { | |
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124 octave_idx_type len = numel (); |
| 4316 | 125 |
| 458 | 126 if (len > 0) |
| 4316 | 127 { |
| 128 make_unique (); | |
| 129 | |
| 5275 | 130 for (octave_idx_type i = 0; i < len; i++) |
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131 xelem (i) = val; |
| 4316 | 132 } |
| 133 | |
| 458 | 134 return *this; |
| 135 } | |
| 136 | |
| 137 ComplexColumnVector& | |
| 138 ComplexColumnVector::fill (const Complex& val) | |
| 139 { | |
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140 octave_idx_type len = numel (); |
| 4316 | 141 |
| 458 | 142 if (len > 0) |
| 4316 | 143 { |
| 144 make_unique (); | |
| 145 | |
| 5275 | 146 for (octave_idx_type i = 0; i < len; i++) |
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147 xelem (i) = val; |
| 4316 | 148 } |
| 149 | |
| 150 | |
| 458 | 151 return *this; |
| 152 } | |
| 153 | |
| 154 ComplexColumnVector& | |
| 5275 | 155 ComplexColumnVector::fill (double val, octave_idx_type r1, octave_idx_type r2) |
| 458 | 156 { |
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157 octave_idx_type len = numel (); |
| 4316 | 158 |
| 458 | 159 if (r1 < 0 || r2 < 0 || r1 >= len || r2 >= len) |
| 160 { | |
| 161 (*current_liboctave_error_handler) ("range error for fill"); | |
| 162 return *this; | |
| 163 } | |
| 164 | |
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165 if (r1 > r2) { std::swap (r1, r2); } |
| 458 | 166 |
| 4316 | 167 if (r2 >= r1) |
| 168 { | |
| 169 make_unique (); | |
| 170 | |
| 5275 | 171 for (octave_idx_type i = r1; i <= r2; i++) |
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172 xelem (i) = val; |
| 4316 | 173 } |
| 458 | 174 |
| 175 return *this; | |
| 176 } | |
| 177 | |
| 178 ComplexColumnVector& | |
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179 ComplexColumnVector::fill (const Complex& val, |
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180 octave_idx_type r1, octave_idx_type r2) |
| 458 | 181 { |
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182 octave_idx_type len = numel (); |
| 4316 | 183 |
| 458 | 184 if (r1 < 0 || r2 < 0 || r1 >= len || r2 >= len) |
| 185 { | |
| 186 (*current_liboctave_error_handler) ("range error for fill"); | |
| 187 return *this; | |
| 188 } | |
| 189 | |
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190 if (r1 > r2) { std::swap (r1, r2); } |
| 458 | 191 |
| 4316 | 192 if (r2 >= r1) |
| 193 { | |
| 194 make_unique (); | |
| 195 | |
| 5275 | 196 for (octave_idx_type i = r1; i <= r2; i++) |
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197 xelem (i) = val; |
| 4316 | 198 } |
| 458 | 199 |
| 200 return *this; | |
| 201 } | |
| 202 | |
| 203 ComplexColumnVector | |
| 204 ComplexColumnVector::stack (const ColumnVector& a) const | |
| 205 { | |
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206 octave_idx_type len = numel (); |
| 5275 | 207 octave_idx_type nr_insert = len; |
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208 ComplexColumnVector retval (len + a.numel ()); |
| 458 | 209 retval.insert (*this, 0); |
| 210 retval.insert (a, nr_insert); | |
| 211 return retval; | |
| 212 } | |
| 213 | |
| 214 ComplexColumnVector | |
| 215 ComplexColumnVector::stack (const ComplexColumnVector& a) const | |
| 216 { | |
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217 octave_idx_type len = numel (); |
| 5275 | 218 octave_idx_type nr_insert = len; |
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219 ComplexColumnVector retval (len + a.numel ()); |
| 458 | 220 retval.insert (*this, 0); |
| 221 retval.insert (a, nr_insert); | |
| 222 return retval; | |
| 223 } | |
| 224 | |
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225 ComplexRowVector |
| 458 | 226 ComplexColumnVector::hermitian (void) const |
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227 { |
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228 return MArray<Complex>::hermitian (std::conj); |
| 458 | 229 } |
| 230 | |
| 231 ComplexRowVector | |
| 232 ComplexColumnVector::transpose (void) const | |
| 233 { | |
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234 return MArray<Complex>::transpose (); |
| 458 | 235 } |
| 236 | |
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237 ColumnVector |
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238 ComplexColumnVector::abs (void) const |
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239 { |
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240 return do_mx_unary_map<double, Complex, std::abs> (*this); |
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241 } |
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242 |
| 458 | 243 ComplexColumnVector |
| 244 conj (const ComplexColumnVector& a) | |
| 245 { | |
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246 return do_mx_unary_map<Complex, Complex, std::conj<double> > (a); |
| 458 | 247 } |
| 248 | |
| 249 // resize is the destructive equivalent for this one | |
| 250 | |
| 251 ComplexColumnVector | |
| 5275 | 252 ComplexColumnVector::extract (octave_idx_type r1, octave_idx_type r2) const |
| 458 | 253 { |
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254 if (r1 > r2) { std::swap (r1, r2); } |
| 458 | 255 |
| 5275 | 256 octave_idx_type new_r = r2 - r1 + 1; |
| 458 | 257 |
| 258 ComplexColumnVector result (new_r); | |
| 259 | |
| 5275 | 260 for (octave_idx_type i = 0; i < new_r; i++) |
| 458 | 261 result.elem (i) = elem (r1+i); |
| 262 | |
| 263 return result; | |
| 264 } | |
| 265 | |
| 4316 | 266 ComplexColumnVector |
| 5275 | 267 ComplexColumnVector::extract_n (octave_idx_type r1, octave_idx_type n) const |
| 4316 | 268 { |
| 269 ComplexColumnVector result (n); | |
| 270 | |
| 5275 | 271 for (octave_idx_type i = 0; i < n; i++) |
| 4316 | 272 result.elem (i) = elem (r1+i); |
| 273 | |
| 274 return result; | |
| 275 } | |
| 276 | |
| 458 | 277 // column vector by column vector -> column vector operations |
| 278 | |
| 279 ComplexColumnVector& | |
| 280 ComplexColumnVector::operator += (const ColumnVector& a) | |
| 281 { | |
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282 octave_idx_type len = numel (); |
| 2386 | 283 |
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284 octave_idx_type a_len = a.numel (); |
| 2386 | 285 |
| 286 if (len != a_len) | |
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287 err_nonconformant ("operator +=", len, a_len); |
| 458 | 288 |
| 289 if (len == 0) | |
| 290 return *this; | |
| 291 | |
| 292 Complex *d = fortran_vec (); // Ensures only one reference to my privates! | |
| 293 | |
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294 mx_inline_add2 (len, d, a.data ()); |
| 458 | 295 return *this; |
| 296 } | |
| 297 | |
| 298 ComplexColumnVector& | |
| 299 ComplexColumnVector::operator -= (const ColumnVector& a) | |
| 300 { | |
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301 octave_idx_type len = numel (); |
| 2386 | 302 |
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303 octave_idx_type a_len = a.numel (); |
| 2386 | 304 |
| 305 if (len != a_len) | |
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306 err_nonconformant ("operator -=", len, a_len); |
| 458 | 307 |
| 308 if (len == 0) | |
| 309 return *this; | |
| 310 | |
| 311 Complex *d = fortran_vec (); // Ensures only one reference to my privates! | |
| 312 | |
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313 mx_inline_sub2 (len, d, a.data ()); |
| 458 | 314 return *this; |
| 315 } | |
| 316 | |
| 1205 | 317 // matrix by column vector -> column vector operations |
| 318 | |
| 319 ComplexColumnVector | |
| 320 operator * (const ComplexMatrix& m, const ColumnVector& a) | |
| 321 { | |
| 322 ComplexColumnVector tmp (a); | |
| 323 return m * tmp; | |
| 324 } | |
| 325 | |
| 326 ComplexColumnVector | |
| 327 operator * (const ComplexMatrix& m, const ComplexColumnVector& a) | |
| 328 { | |
| 1947 | 329 ComplexColumnVector retval; |
| 330 | |
| 5275 | 331 octave_idx_type nr = m.rows (); |
| 332 octave_idx_type nc = m.cols (); | |
| 1947 | 333 |
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334 octave_idx_type a_len = a.numel (); |
| 2386 | 335 |
| 336 if (nc != a_len) | |
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337 err_nonconformant ("operator *", nr, nc, a_len, 1); |
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338 |
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339 retval.clear (nr); |
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340 |
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341 if (nr != 0) |
| 458 | 342 { |
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343 if (nc == 0) |
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344 retval.fill (0.0); |
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345 else |
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346 { |
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347 Complex *y = retval.fortran_vec (); |
| 1947 | 348 |
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349 F77_XFCN (zgemv, ZGEMV, (F77_CONST_CHAR_ARG2 ("N", 1), |
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350 nr, nc, 1.0, m.data (), nr, |
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351 a.data (), 1, 0.0, y, 1 |
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352 F77_CHAR_ARG_LEN (1))); |
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353 } |
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354 } |
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355 |
| 458 | 356 |
| 1947 | 357 return retval; |
| 458 | 358 } |
| 359 | |
| 1205 | 360 // matrix by column vector -> column vector operations |
| 361 | |
| 362 ComplexColumnVector | |
| 363 operator * (const Matrix& m, const ComplexColumnVector& a) | |
| 364 { | |
| 365 ComplexMatrix tmp (m); | |
| 366 return tmp * a; | |
| 367 } | |
| 368 | |
| 369 // diagonal matrix by column vector -> column vector operations | |
| 370 | |
| 371 ComplexColumnVector | |
| 372 operator * (const DiagMatrix& m, const ComplexColumnVector& a) | |
| 373 { | |
| 5275 | 374 octave_idx_type nr = m.rows (); |
| 375 octave_idx_type nc = m.cols (); | |
| 2386 | 376 |
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377 octave_idx_type a_len = a.numel (); |
| 2386 | 378 |
| 1205 | 379 if (nc != a_len) |
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380 err_nonconformant ("operator *", nr, nc, a_len, 1); |
| 1205 | 381 |
| 382 if (nc == 0 || nr == 0) | |
| 383 return ComplexColumnVector (0); | |
| 384 | |
| 385 ComplexColumnVector result (nr); | |
| 386 | |
| 5275 | 387 for (octave_idx_type i = 0; i < a_len; i++) |
| 1205 | 388 result.elem (i) = a.elem (i) * m.elem (i, i); |
| 389 | |
| 5275 | 390 for (octave_idx_type i = a_len; i < nr; i++) |
| 1205 | 391 result.elem (i) = 0.0; |
| 392 | |
| 393 return result; | |
| 394 } | |
| 395 | |
| 396 ComplexColumnVector | |
| 397 operator * (const ComplexDiagMatrix& m, const ColumnVector& a) | |
| 398 { | |
| 5275 | 399 octave_idx_type nr = m.rows (); |
| 400 octave_idx_type nc = m.cols (); | |
| 2386 | 401 |
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402 octave_idx_type a_len = a.numel (); |
| 2386 | 403 |
| 1205 | 404 if (nc != a_len) |
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405 err_nonconformant ("operator *", nr, nc, a_len, 1); |
| 1205 | 406 |
| 407 if (nc == 0 || nr == 0) | |
| 408 return ComplexColumnVector (0); | |
| 409 | |
| 410 ComplexColumnVector result (nr); | |
| 411 | |
| 5275 | 412 for (octave_idx_type i = 0; i < a_len; i++) |
| 1205 | 413 result.elem (i) = a.elem (i) * m.elem (i, i); |
| 414 | |
| 5275 | 415 for (octave_idx_type i = a_len; i < nr; i++) |
| 1205 | 416 result.elem (i) = 0.0; |
| 417 | |
| 418 return result; | |
| 419 } | |
| 420 | |
| 421 ComplexColumnVector | |
| 422 operator * (const ComplexDiagMatrix& m, const ComplexColumnVector& a) | |
| 423 { | |
| 5275 | 424 octave_idx_type nr = m.rows (); |
| 425 octave_idx_type nc = m.cols (); | |
| 2386 | 426 |
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427 octave_idx_type a_len = a.numel (); |
| 2386 | 428 |
| 1205 | 429 if (nc != a_len) |
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430 err_nonconformant ("operator *", nr, nc, a_len, 1); |
| 1205 | 431 |
| 432 if (nc == 0 || nr == 0) | |
| 433 return ComplexColumnVector (0); | |
| 434 | |
| 435 ComplexColumnVector result (nr); | |
| 436 | |
| 5275 | 437 for (octave_idx_type i = 0; i < a_len; i++) |
| 1205 | 438 result.elem (i) = a.elem (i) * m.elem (i, i); |
| 439 | |
| 5275 | 440 for (octave_idx_type i = a_len; i < nr; i++) |
| 1205 | 441 result.elem (i) = 0.0; |
| 442 | |
| 443 return result; | |
| 444 } | |
| 445 | |
| 458 | 446 // other operations |
| 447 | |
| 448 Complex | |
| 449 ComplexColumnVector::min (void) const | |
| 450 { | |
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451 octave_idx_type len = numel (); |
| 458 | 452 if (len == 0) |
| 453 return 0.0; | |
| 454 | |
| 455 Complex res = elem (0); | |
| 5260 | 456 double absres = std::abs (res); |
| 458 | 457 |
| 5275 | 458 for (octave_idx_type i = 1; i < len; i++) |
| 5260 | 459 if (std::abs (elem (i)) < absres) |
| 458 | 460 { |
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461 res = elem (i); |
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462 absres = std::abs (res); |
| 458 | 463 } |
| 464 | |
| 465 return res; | |
| 466 } | |
| 467 | |
| 468 Complex | |
| 469 ComplexColumnVector::max (void) const | |
| 470 { | |
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471 octave_idx_type len = numel (); |
| 458 | 472 if (len == 0) |
| 473 return 0.0; | |
| 474 | |
| 475 Complex res = elem (0); | |
| 5260 | 476 double absres = std::abs (res); |
| 458 | 477 |
| 5275 | 478 for (octave_idx_type i = 1; i < len; i++) |
| 5260 | 479 if (std::abs (elem (i)) > absres) |
| 458 | 480 { |
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481 res = elem (i); |
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482 absres = std::abs (res); |
| 458 | 483 } |
| 484 | |
| 485 return res; | |
| 486 } | |
| 487 | |
| 488 // i/o | |
| 489 | |
| 3504 | 490 std::ostream& |
| 491 operator << (std::ostream& os, const ComplexColumnVector& a) | |
| 458 | 492 { |
| 493 // int field_width = os.precision () + 7; | |
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494 for (octave_idx_type i = 0; i < a.numel (); i++) |
| 458 | 495 os << /* setw (field_width) << */ a.elem (i) << "\n"; |
| 496 return os; | |
| 497 } | |
| 498 | |
| 3504 | 499 std::istream& |
| 500 operator >> (std::istream& is, ComplexColumnVector& a) | |
| 458 | 501 { |
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502 octave_idx_type len = a.numel (); |
| 458 | 503 |
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504 if (len > 0) |
| 458 | 505 { |
| 506 double tmp; | |
| 5275 | 507 for (octave_idx_type i = 0; i < len; i++) |
| 458 | 508 { |
| 509 is >> tmp; | |
| 510 if (is) | |
| 511 a.elem (i) = tmp; | |
| 512 else | |
| 513 break; | |
| 514 } | |
| 515 } | |
| 532 | 516 return is; |
| 458 | 517 } |