Mercurial > jwe > octave
annotate liboctave/numeric/CmplxGEPBAL.cc @ 21136:7cac4e7458f2
maint: clean up code around calls to current_liboctave_error_handler.
Remove statements after call to handler that are no longer reachable.
Place input validation first and immediately call handler if necessary.
Change if/error_handler/else to if/error_handler and re-indent code.
* Array-util.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MArray.cc,
PermMatrix.cc, Sparse.cc, Sparse.h, chMatrix.cc, chNDArray.cc, dColVector.cc,
dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc,
fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc,
fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc,
idx-vector.cc, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc,
CmplxLU.cc, CmplxQR.cc, CmplxSCHUR.cc, CmplxSVD.cc, DASPK.cc, EIG.cc, LSODE.cc,
Quad.cc, SparseCmplxCHOL.cc, SparseCmplxLU.cc, SparseCmplxQR.cc, SparseQR.cc,
SparsedbleCHOL.cc, SparsedbleLU.cc, base-lu.cc, bsxfun-defs.cc, dbleAEPBAL.cc,
dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc, dbleSCHUR.cc,
dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc, fCmplxCHOL.cc, fCmplxLU.cc,
fCmplxQR.cc, fCmplxSCHUR.cc, fEIG.cc, floatAEPBAL.cc, floatCHOL.cc,
floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc, floatSCHUR.cc,
floatSVD.cc, lo-specfun.cc, oct-fftw.cc, oct-rand.cc, oct-spparms.cc,
sparse-base-chol.cc, sparse-dmsolve.cc, file-ops.cc, lo-sysdep.cc,
mach-info.cc, oct-env.cc, oct-syscalls.cc, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, lo-ieee.cc, lo-regexp.cc, oct-base64.cc, oct-shlib.cc,
pathsearch.cc, singleton-cleanup.cc, sparse-util.cc, unwind-prot.cc:
Remove statements after call to handler that are no longer reachable.
Place input validation first and immediately call handler if necessary.
Change if/error_handler/else to if/error_handler and re-indent code.
author | Rik <rik@octave.org> |
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date | Sat, 23 Jan 2016 13:52:03 -0800 |
parents | 228b65504557 |
children | f7121e111991 |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 1994-2015 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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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 the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include <string> |
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28 #include <vector> |
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29 |
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30 #include "CmplxGEPBAL.h" |
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31 #include "Array-util.h" |
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32 #include "f77-fcn.h" |
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33 #include "oct-locbuf.h" |
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34 |
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35 extern "C" |
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36 { |
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37 F77_RET_T |
11495 | 38 F77_FUNC (zggbal, ZGGBAL) (F77_CONST_CHAR_ARG_DECL, |
39 const octave_idx_type& N, Complex* A, | |
40 const octave_idx_type& LDA, Complex* B, | |
41 const octave_idx_type& LDB, | |
42 octave_idx_type& ILO, octave_idx_type& IHI, | |
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43 double* LSCALE, double* RSCALE, |
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44 double* WORK, octave_idx_type& INFO |
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45 F77_CHAR_ARG_LEN_DECL); |
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46 |
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47 F77_RET_T |
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48 F77_FUNC (dggbak, DGGBAK) (F77_CONST_CHAR_ARG_DECL, |
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49 F77_CONST_CHAR_ARG_DECL, |
11495 | 50 const octave_idx_type& N, |
51 const octave_idx_type& ILO, | |
52 const octave_idx_type& IHI, | |
53 const double* LSCALE, const double* RSCALE, | |
54 octave_idx_type& M, double* V, | |
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55 const octave_idx_type& LDV, octave_idx_type& INFO |
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56 F77_CHAR_ARG_LEN_DECL |
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57 F77_CHAR_ARG_LEN_DECL); |
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58 |
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59 } |
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60 |
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61 octave_idx_type |
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62 ComplexGEPBALANCE::init (const ComplexMatrix& a, const ComplexMatrix& b, |
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63 const std::string& balance_job) |
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64 { |
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65 octave_idx_type n = a.cols (); |
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66 |
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67 if (a.rows () != n) |
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68 (*current_liboctave_error_handler) |
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69 ("ComplexGEPBALANCE requires square matrix"); |
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70 |
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71 if (a.dims () != b.dims ()) |
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72 err_nonconformant ("ComplexGEPBALANCE", n, n, b.rows(), b.cols()); |
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73 |
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74 octave_idx_type info; |
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75 octave_idx_type ilo; |
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76 octave_idx_type ihi; |
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77 |
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78 OCTAVE_LOCAL_BUFFER (double, plscale, n); |
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79 OCTAVE_LOCAL_BUFFER (double, prscale, n); |
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80 OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n); |
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81 |
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82 balanced_mat = a; |
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83 Complex *p_balanced_mat = balanced_mat.fortran_vec (); |
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84 balanced_mat2 = b; |
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85 Complex *p_balanced_mat2 = balanced_mat2.fortran_vec (); |
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86 |
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87 char job = balance_job[0]; |
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88 |
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89 F77_XFCN (zggbal, ZGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1), |
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90 n, p_balanced_mat, n, p_balanced_mat2, |
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91 n, ilo, ihi, plscale, prscale, pwork, info |
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92 F77_CHAR_ARG_LEN (1))); |
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93 |
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94 balancing_mat = Matrix (n, n, 0.0); |
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95 balancing_mat2 = Matrix (n, n, 0.0); |
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96 for (octave_idx_type i = 0; i < n; i++) |
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97 { |
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98 octave_quit (); |
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99 balancing_mat.elem (i ,i) = 1.0; |
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100 balancing_mat2.elem (i ,i) = 1.0; |
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101 } |
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102 |
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103 double *p_balancing_mat = balancing_mat.fortran_vec (); |
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104 double *p_balancing_mat2 = balancing_mat2.fortran_vec (); |
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105 |
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106 // first left |
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107 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1), |
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108 F77_CONST_CHAR_ARG2 ("L", 1), |
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109 n, ilo, ihi, plscale, prscale, |
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110 n, p_balancing_mat, n, info |
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111 F77_CHAR_ARG_LEN (1) |
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112 F77_CHAR_ARG_LEN (1))); |
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113 |
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114 // then right |
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115 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1), |
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116 F77_CONST_CHAR_ARG2 ("R", 1), |
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117 n, ilo, ihi, plscale, prscale, |
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118 n, p_balancing_mat2, n, info |
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119 F77_CHAR_ARG_LEN (1) |
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120 F77_CHAR_ARG_LEN (1))); |
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John W. Eaton <jwe@octave.org>
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121 |
39c1026191e9
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John W. Eaton <jwe@octave.org>
parents:
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122 return info; |
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John W. Eaton <jwe@octave.org>
parents:
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123 } |