Mercurial > octave
annotate liboctave/array/CColVector.cc @ 21202:f7121e111991
maint: indent #ifdef blocks in liboctave and src directories.
* Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, CSparse.h, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc,
PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc,
boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc,
dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc,
dSparse.cc, dSparse.h, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc,
fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc,
int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc,
blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc,
quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc,
CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc,
DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc,
dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc,
dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc,
fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc,
fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc,
floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc,
floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc,
oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc,
oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, mx-defs.h, dir-ops.cc,
file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc,
oct-group.cc, oct-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc,
lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.h,
lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-refcount.h, oct-rl-edit.c,
oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc,
sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc,
url-transfer.cc, display-available.h, main-cli.cc, main-gui.cc, main.in.cc,
mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h:
indent #ifdef blocks in liboctave and src directories.
| author | Rik <rik@octave.org> |
|---|---|
| date | Sat, 06 Feb 2016 06:40:13 -0800 |
| parents | 7cac4e7458f2 |
| children | 40de9f8f23a6 |
| 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 | |
|
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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 ()) |
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83 (*current_liboctave_error_handler) ("range error for insert"); |
| 458 | 84 |
| 4316 | 85 if (a_len > 0) |
| 86 { | |
| 87 make_unique (); | |
| 88 | |
| 5275 | 89 for (octave_idx_type i = 0; i < a_len; i++) |
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90 xelem (r+i) = a.elem (i); |
| 4316 | 91 } |
| 458 | 92 |
| 93 return *this; | |
| 94 } | |
| 95 | |
| 96 ComplexColumnVector& | |
| 5275 | 97 ComplexColumnVector::insert (const ComplexColumnVector& a, octave_idx_type r) |
| 458 | 98 { |
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99 octave_idx_type a_len = a.numel (); |
| 4316 | 100 |
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101 if (r < 0 || r + a_len > numel ()) |
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102 (*current_liboctave_error_handler) ("range error for insert"); |
| 458 | 103 |
| 4316 | 104 if (a_len > 0) |
| 105 { | |
| 106 make_unique (); | |
| 107 | |
| 5275 | 108 for (octave_idx_type i = 0; i < a_len; i++) |
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109 xelem (r+i) = a.elem (i); |
| 4316 | 110 } |
| 458 | 111 |
| 112 return *this; | |
| 113 } | |
| 114 | |
| 115 ComplexColumnVector& | |
| 116 ComplexColumnVector::fill (double val) | |
| 117 { | |
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118 octave_idx_type len = numel (); |
| 4316 | 119 |
| 458 | 120 if (len > 0) |
| 4316 | 121 { |
| 122 make_unique (); | |
| 123 | |
| 5275 | 124 for (octave_idx_type i = 0; i < len; i++) |
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125 xelem (i) = val; |
| 4316 | 126 } |
| 127 | |
| 458 | 128 return *this; |
| 129 } | |
| 130 | |
| 131 ComplexColumnVector& | |
| 132 ComplexColumnVector::fill (const Complex& val) | |
| 133 { | |
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134 octave_idx_type len = numel (); |
| 4316 | 135 |
| 458 | 136 if (len > 0) |
| 4316 | 137 { |
| 138 make_unique (); | |
| 139 | |
| 5275 | 140 for (octave_idx_type i = 0; i < len; i++) |
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141 xelem (i) = val; |
| 4316 | 142 } |
| 143 | |
| 144 | |
| 458 | 145 return *this; |
| 146 } | |
| 147 | |
| 148 ComplexColumnVector& | |
| 5275 | 149 ComplexColumnVector::fill (double val, octave_idx_type r1, octave_idx_type r2) |
| 458 | 150 { |
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151 octave_idx_type len = numel (); |
| 4316 | 152 |
| 458 | 153 if (r1 < 0 || r2 < 0 || r1 >= len || r2 >= len) |
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154 (*current_liboctave_error_handler) ("range error for fill"); |
| 458 | 155 |
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156 if (r1 > r2) { std::swap (r1, r2); } |
| 458 | 157 |
| 4316 | 158 if (r2 >= r1) |
| 159 { | |
| 160 make_unique (); | |
| 161 | |
| 5275 | 162 for (octave_idx_type i = r1; i <= r2; i++) |
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163 xelem (i) = val; |
| 4316 | 164 } |
| 458 | 165 |
| 166 return *this; | |
| 167 } | |
| 168 | |
| 169 ComplexColumnVector& | |
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170 ComplexColumnVector::fill (const Complex& val, |
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171 octave_idx_type r1, octave_idx_type r2) |
| 458 | 172 { |
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173 octave_idx_type len = numel (); |
| 4316 | 174 |
| 458 | 175 if (r1 < 0 || r2 < 0 || r1 >= len || r2 >= len) |
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176 (*current_liboctave_error_handler) ("range error for fill"); |
| 458 | 177 |
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178 if (r1 > r2) { std::swap (r1, r2); } |
| 458 | 179 |
| 4316 | 180 if (r2 >= r1) |
| 181 { | |
| 182 make_unique (); | |
| 183 | |
| 5275 | 184 for (octave_idx_type i = r1; i <= r2; i++) |
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185 xelem (i) = val; |
| 4316 | 186 } |
| 458 | 187 |
| 188 return *this; | |
| 189 } | |
| 190 | |
| 191 ComplexColumnVector | |
| 192 ComplexColumnVector::stack (const ColumnVector& a) const | |
| 193 { | |
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194 octave_idx_type len = numel (); |
| 5275 | 195 octave_idx_type nr_insert = len; |
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196 ComplexColumnVector retval (len + a.numel ()); |
| 458 | 197 retval.insert (*this, 0); |
| 198 retval.insert (a, nr_insert); | |
| 199 return retval; | |
| 200 } | |
| 201 | |
| 202 ComplexColumnVector | |
| 203 ComplexColumnVector::stack (const ComplexColumnVector& a) const | |
| 204 { | |
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205 octave_idx_type len = numel (); |
| 5275 | 206 octave_idx_type nr_insert = len; |
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207 ComplexColumnVector retval (len + a.numel ()); |
| 458 | 208 retval.insert (*this, 0); |
| 209 retval.insert (a, nr_insert); | |
| 210 return retval; | |
| 211 } | |
| 212 | |
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213 ComplexRowVector |
| 458 | 214 ComplexColumnVector::hermitian (void) const |
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215 { |
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216 return MArray<Complex>::hermitian (std::conj); |
| 458 | 217 } |
| 218 | |
| 219 ComplexRowVector | |
| 220 ComplexColumnVector::transpose (void) const | |
| 221 { | |
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222 return MArray<Complex>::transpose (); |
| 458 | 223 } |
| 224 | |
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225 ColumnVector |
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226 ComplexColumnVector::abs (void) const |
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227 { |
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228 return do_mx_unary_map<double, Complex, std::abs> (*this); |
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229 } |
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230 |
| 458 | 231 ComplexColumnVector |
| 232 conj (const ComplexColumnVector& a) | |
| 233 { | |
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234 return do_mx_unary_map<Complex, Complex, std::conj<double> > (a); |
| 458 | 235 } |
| 236 | |
| 237 // resize is the destructive equivalent for this one | |
| 238 | |
| 239 ComplexColumnVector | |
| 5275 | 240 ComplexColumnVector::extract (octave_idx_type r1, octave_idx_type r2) const |
| 458 | 241 { |
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242 if (r1 > r2) { std::swap (r1, r2); } |
| 458 | 243 |
| 5275 | 244 octave_idx_type new_r = r2 - r1 + 1; |
| 458 | 245 |
| 246 ComplexColumnVector result (new_r); | |
| 247 | |
| 5275 | 248 for (octave_idx_type i = 0; i < new_r; i++) |
| 458 | 249 result.elem (i) = elem (r1+i); |
| 250 | |
| 251 return result; | |
| 252 } | |
| 253 | |
| 4316 | 254 ComplexColumnVector |
| 5275 | 255 ComplexColumnVector::extract_n (octave_idx_type r1, octave_idx_type n) const |
| 4316 | 256 { |
| 257 ComplexColumnVector result (n); | |
| 258 | |
| 5275 | 259 for (octave_idx_type i = 0; i < n; i++) |
| 4316 | 260 result.elem (i) = elem (r1+i); |
| 261 | |
| 262 return result; | |
| 263 } | |
| 264 | |
| 458 | 265 // column vector by column vector -> column vector operations |
| 266 | |
| 267 ComplexColumnVector& | |
| 268 ComplexColumnVector::operator += (const ColumnVector& a) | |
| 269 { | |
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270 octave_idx_type len = numel (); |
| 2386 | 271 |
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272 octave_idx_type a_len = a.numel (); |
| 2386 | 273 |
| 274 if (len != a_len) | |
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275 err_nonconformant ("operator +=", len, a_len); |
| 458 | 276 |
| 277 if (len == 0) | |
| 278 return *this; | |
| 279 | |
| 280 Complex *d = fortran_vec (); // Ensures only one reference to my privates! | |
| 281 | |
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282 mx_inline_add2 (len, d, a.data ()); |
| 458 | 283 return *this; |
| 284 } | |
| 285 | |
| 286 ComplexColumnVector& | |
| 287 ComplexColumnVector::operator -= (const ColumnVector& a) | |
| 288 { | |
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289 octave_idx_type len = numel (); |
| 2386 | 290 |
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291 octave_idx_type a_len = a.numel (); |
| 2386 | 292 |
| 293 if (len != a_len) | |
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294 err_nonconformant ("operator -=", len, a_len); |
| 458 | 295 |
| 296 if (len == 0) | |
| 297 return *this; | |
| 298 | |
| 299 Complex *d = fortran_vec (); // Ensures only one reference to my privates! | |
| 300 | |
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301 mx_inline_sub2 (len, d, a.data ()); |
| 458 | 302 return *this; |
| 303 } | |
| 304 | |
| 1205 | 305 // matrix by column vector -> column vector operations |
| 306 | |
| 307 ComplexColumnVector | |
| 308 operator * (const ComplexMatrix& m, const ColumnVector& a) | |
| 309 { | |
| 310 ComplexColumnVector tmp (a); | |
| 311 return m * tmp; | |
| 312 } | |
| 313 | |
| 314 ComplexColumnVector | |
| 315 operator * (const ComplexMatrix& m, const ComplexColumnVector& a) | |
| 316 { | |
| 1947 | 317 ComplexColumnVector retval; |
| 318 | |
| 5275 | 319 octave_idx_type nr = m.rows (); |
| 320 octave_idx_type nc = m.cols (); | |
| 1947 | 321 |
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322 octave_idx_type a_len = a.numel (); |
| 2386 | 323 |
| 324 if (nc != a_len) | |
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325 err_nonconformant ("operator *", nr, nc, a_len, 1); |
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326 |
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327 retval.clear (nr); |
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328 |
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329 if (nr != 0) |
| 458 | 330 { |
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331 if (nc == 0) |
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332 retval.fill (0.0); |
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333 else |
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334 { |
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335 Complex *y = retval.fortran_vec (); |
| 1947 | 336 |
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337 F77_XFCN (zgemv, ZGEMV, (F77_CONST_CHAR_ARG2 ("N", 1), |
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338 nr, nc, 1.0, m.data (), nr, |
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339 a.data (), 1, 0.0, y, 1 |
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340 F77_CHAR_ARG_LEN (1))); |
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341 } |
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342 } |
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343 |
| 458 | 344 |
| 1947 | 345 return retval; |
| 458 | 346 } |
| 347 | |
| 1205 | 348 // matrix by column vector -> column vector operations |
| 349 | |
| 350 ComplexColumnVector | |
| 351 operator * (const Matrix& m, const ComplexColumnVector& a) | |
| 352 { | |
| 353 ComplexMatrix tmp (m); | |
| 354 return tmp * a; | |
| 355 } | |
| 356 | |
| 357 // diagonal matrix by column vector -> column vector operations | |
| 358 | |
| 359 ComplexColumnVector | |
| 360 operator * (const DiagMatrix& m, const ComplexColumnVector& a) | |
| 361 { | |
| 5275 | 362 octave_idx_type nr = m.rows (); |
| 363 octave_idx_type nc = m.cols (); | |
| 2386 | 364 |
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365 octave_idx_type a_len = a.numel (); |
| 2386 | 366 |
| 1205 | 367 if (nc != a_len) |
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368 err_nonconformant ("operator *", nr, nc, a_len, 1); |
| 1205 | 369 |
| 370 if (nc == 0 || nr == 0) | |
| 371 return ComplexColumnVector (0); | |
| 372 | |
| 373 ComplexColumnVector result (nr); | |
| 374 | |
| 5275 | 375 for (octave_idx_type i = 0; i < a_len; i++) |
| 1205 | 376 result.elem (i) = a.elem (i) * m.elem (i, i); |
| 377 | |
| 5275 | 378 for (octave_idx_type i = a_len; i < nr; i++) |
| 1205 | 379 result.elem (i) = 0.0; |
| 380 | |
| 381 return result; | |
| 382 } | |
| 383 | |
| 384 ComplexColumnVector | |
| 385 operator * (const ComplexDiagMatrix& m, const ColumnVector& a) | |
| 386 { | |
| 5275 | 387 octave_idx_type nr = m.rows (); |
| 388 octave_idx_type nc = m.cols (); | |
| 2386 | 389 |
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390 octave_idx_type a_len = a.numel (); |
| 2386 | 391 |
| 1205 | 392 if (nc != a_len) |
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393 err_nonconformant ("operator *", nr, nc, a_len, 1); |
| 1205 | 394 |
| 395 if (nc == 0 || nr == 0) | |
| 396 return ComplexColumnVector (0); | |
| 397 | |
| 398 ComplexColumnVector result (nr); | |
| 399 | |
| 5275 | 400 for (octave_idx_type i = 0; i < a_len; i++) |
| 1205 | 401 result.elem (i) = a.elem (i) * m.elem (i, i); |
| 402 | |
| 5275 | 403 for (octave_idx_type i = a_len; i < nr; i++) |
| 1205 | 404 result.elem (i) = 0.0; |
| 405 | |
| 406 return result; | |
| 407 } | |
| 408 | |
| 409 ComplexColumnVector | |
| 410 operator * (const ComplexDiagMatrix& m, const ComplexColumnVector& a) | |
| 411 { | |
| 5275 | 412 octave_idx_type nr = m.rows (); |
| 413 octave_idx_type nc = m.cols (); | |
| 2386 | 414 |
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415 octave_idx_type a_len = a.numel (); |
| 2386 | 416 |
| 1205 | 417 if (nc != a_len) |
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418 err_nonconformant ("operator *", nr, nc, a_len, 1); |
| 1205 | 419 |
| 420 if (nc == 0 || nr == 0) | |
| 421 return ComplexColumnVector (0); | |
| 422 | |
| 423 ComplexColumnVector result (nr); | |
| 424 | |
| 5275 | 425 for (octave_idx_type i = 0; i < a_len; i++) |
| 1205 | 426 result.elem (i) = a.elem (i) * m.elem (i, i); |
| 427 | |
| 5275 | 428 for (octave_idx_type i = a_len; i < nr; i++) |
| 1205 | 429 result.elem (i) = 0.0; |
| 430 | |
| 431 return result; | |
| 432 } | |
| 433 | |
| 458 | 434 // other operations |
| 435 | |
| 436 Complex | |
| 437 ComplexColumnVector::min (void) const | |
| 438 { | |
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439 octave_idx_type len = numel (); |
| 458 | 440 if (len == 0) |
| 441 return 0.0; | |
| 442 | |
| 443 Complex res = elem (0); | |
| 5260 | 444 double absres = std::abs (res); |
| 458 | 445 |
| 5275 | 446 for (octave_idx_type i = 1; i < len; i++) |
| 5260 | 447 if (std::abs (elem (i)) < absres) |
| 458 | 448 { |
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449 res = elem (i); |
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450 absres = std::abs (res); |
| 458 | 451 } |
| 452 | |
| 453 return res; | |
| 454 } | |
| 455 | |
| 456 Complex | |
| 457 ComplexColumnVector::max (void) const | |
| 458 { | |
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459 octave_idx_type len = numel (); |
| 458 | 460 if (len == 0) |
| 461 return 0.0; | |
| 462 | |
| 463 Complex res = elem (0); | |
| 5260 | 464 double absres = std::abs (res); |
| 458 | 465 |
| 5275 | 466 for (octave_idx_type i = 1; i < len; i++) |
| 5260 | 467 if (std::abs (elem (i)) > absres) |
| 458 | 468 { |
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469 res = elem (i); |
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470 absres = std::abs (res); |
| 458 | 471 } |
| 472 | |
| 473 return res; | |
| 474 } | |
| 475 | |
| 476 // i/o | |
| 477 | |
| 3504 | 478 std::ostream& |
| 479 operator << (std::ostream& os, const ComplexColumnVector& a) | |
| 458 | 480 { |
| 481 // int field_width = os.precision () + 7; | |
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482 for (octave_idx_type i = 0; i < a.numel (); i++) |
| 458 | 483 os << /* setw (field_width) << */ a.elem (i) << "\n"; |
| 484 return os; | |
| 485 } | |
| 486 | |
| 3504 | 487 std::istream& |
| 488 operator >> (std::istream& is, ComplexColumnVector& a) | |
| 458 | 489 { |
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490 octave_idx_type len = a.numel (); |
| 458 | 491 |
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492 if (len > 0) |
| 458 | 493 { |
| 494 double tmp; | |
| 5275 | 495 for (octave_idx_type i = 0; i < len; i++) |
| 458 | 496 { |
| 497 is >> tmp; | |
| 498 if (is) | |
| 499 a.elem (i) = tmp; | |
| 500 else | |
| 501 break; | |
| 502 } | |
| 503 } | |
| 532 | 504 return is; |
| 458 | 505 } |