Mercurial > jwe > octave
view liboctave/numeric/CmplxAEPBAL.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> |
---|---|
date | Sat, 23 Jan 2016 13:52:03 -0800 |
parents | 4197fc428c7d |
children | f7121e111991 |
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/* Copyright (C) 1994-2015 John W. Eaton Copyright (C) 2008 Jaroslav Hajek This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <string> #include "CmplxAEPBAL.h" #include "dMatrix.h" #include "f77-fcn.h" extern "C" { F77_RET_T F77_FUNC (zgebal, ZGEBAL) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, Complex*, const octave_idx_type&, octave_idx_type&, octave_idx_type&, double*, octave_idx_type& F77_CHAR_ARG_LEN_DECL); F77_RET_T F77_FUNC (zgebak, ZGEBAK) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, const double*, const octave_idx_type&, Complex*, const octave_idx_type&, octave_idx_type& F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL); } ComplexAEPBALANCE::ComplexAEPBALANCE (const ComplexMatrix& a, bool noperm, bool noscal) : base_aepbal<ComplexMatrix, ColumnVector> () { octave_idx_type n = a.cols (); if (a.rows () != n) (*current_liboctave_error_handler) ("AEPBALANCE requires square matrix"); octave_idx_type info; scale = ColumnVector (n); double *pscale = scale.fortran_vec (); balanced_mat = a; Complex *p_balanced_mat = balanced_mat.fortran_vec (); job = noperm ? (noscal ? 'N' : 'S') : (noscal ? 'P' : 'B'); F77_XFCN (zgebal, ZGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1), n, p_balanced_mat, n, ilo, ihi, pscale, info F77_CHAR_ARG_LEN (1))); } ComplexMatrix ComplexAEPBALANCE::balancing_matrix (void) const { octave_idx_type n = balanced_mat.rows (); ComplexMatrix balancing_mat (n, n, 0.0); for (octave_idx_type i = 0; i < n; i++) balancing_mat.elem (i, i) = 1.0; Complex *p_balancing_mat = balancing_mat.fortran_vec (); const double *pscale = scale.fortran_vec (); octave_idx_type info; char side = 'R'; F77_XFCN (zgebak, ZGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1), F77_CONST_CHAR_ARG2 (&side, 1), n, ilo, ihi, pscale, n, p_balancing_mat, n, info F77_CHAR_ARG_LEN (1) F77_CHAR_ARG_LEN (1))); return balancing_mat; }