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annotate liboctave/numeric/fCmplxLU.h @ 20809:ffc6cdcd02c5 stable

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Fix segfault when complex double matrix calls ZGETRF (bug #45577). * CMatrix.cc (finverse, determinant, rcond, fsolve): Calculate norm of matrix and if it is NaN, skip calling ZGETRF in LAPACK and set info to non-zero value to signal an error.
author Rik <rik@octave.org>
date Sat, 10 Oct 2015 16:46:00 -0700
parents 4197fc428c7d
children
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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 #if !defined (octave_fCmplxLU_h)
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24 #define octave_fCmplxLU_h 1
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25
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26 #include "base-lu.h"
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27 #include "dMatrix.h"
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28 #include "fCMatrix.h"
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29
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30 class
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31 OCTAVE_API
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32 FloatComplexLU : public base_lu <FloatComplexMatrix>
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33 {
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34 public:
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35
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36 FloatComplexLU (void)
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37 : base_lu <FloatComplexMatrix> () { }
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39 FloatComplexLU (const FloatComplexMatrix& a);
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40
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41 FloatComplexLU (const FloatComplexLU& a)
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42 : base_lu <FloatComplexMatrix> (a) { }
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43
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44 FloatComplexLU (const FloatComplexMatrix& l, const FloatComplexMatrix& u,
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45 const PermMatrix& p)
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46 : base_lu <FloatComplexMatrix> (l, u, p) { }
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47
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48 FloatComplexLU& operator = (const FloatComplexLU& a)
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49 {
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50 if (this != &a)
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51 base_lu <FloatComplexMatrix> :: operator = (a);
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52
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53 return *this;
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54 }
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55
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56 ~FloatComplexLU (void) { }
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57
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58 void update (const FloatComplexColumnVector& u,
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59 const FloatComplexColumnVector& v);
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61 void update (const FloatComplexMatrix& u, const FloatComplexMatrix& v);
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62
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63 void update_piv (const FloatComplexColumnVector& u,
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64 const FloatComplexColumnVector& v);
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65
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66 void update_piv (const FloatComplexMatrix& u, const FloatComplexMatrix& v);
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67 };
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68
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69 #endif