Mercurial > hg > octave-thorsten
diff liboctave/fCDiagMatrix.h @ 7789:82be108cc558
First attempt at single precision tyeps
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corrections to qrupdate single precision routines
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prefer demotion to single over promotion to double
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Add single precision support to log2 function
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Trivial PROJECT file update
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Cache optimized hermitian/transpose methods
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Add tests for tranpose/hermitian and ChangeLog entry for new transpose code
author | David Bateman <dbateman@free.fr> |
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date | Sun, 27 Apr 2008 22:34:17 +0200 (2008-04-27) |
parents | |
children | 8b1a2555c4e2 |
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new file mode 100644 --- /dev/null +++ b/liboctave/fCDiagMatrix.h @@ -0,0 +1,148 @@ +/* + +Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, 2007 + John W. Eaton + +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/>. + +*/ + +#if !defined (octave_FloatComplexDiagMatrix_h) +#define octave_FloatComplexDiagMatrix_h 1 + +#include "MDiagArray2.h" + +#include "fRowVector.h" +#include "fCRowVector.h" +#include "fColVector.h" +#include "fCColVector.h" + +#include "mx-defs.h" + +class +FloatComplexDiagMatrix : public MDiagArray2<FloatComplex> +{ +public: + + FloatComplexDiagMatrix (void) : MDiagArray2<FloatComplex> () { } + + FloatComplexDiagMatrix (octave_idx_type r, octave_idx_type c) : MDiagArray2<FloatComplex> (r, c) { } + + FloatComplexDiagMatrix (octave_idx_type r, octave_idx_type c, const FloatComplex& val) + : MDiagArray2<FloatComplex> (r, c, val) { } + + explicit FloatComplexDiagMatrix (const FloatRowVector& a) + : MDiagArray2<FloatComplex> (FloatComplexRowVector (a)) { } + + explicit FloatComplexDiagMatrix (const FloatComplexRowVector& a) + : MDiagArray2<FloatComplex> (a) { } + + explicit FloatComplexDiagMatrix (const FloatColumnVector& a) + : MDiagArray2<FloatComplex> (FloatComplexColumnVector (a)) { } + + explicit FloatComplexDiagMatrix (const FloatComplexColumnVector& a) + : MDiagArray2<FloatComplex> (a) { } + + explicit FloatComplexDiagMatrix (const FloatDiagMatrix& a); + + FloatComplexDiagMatrix (const MDiagArray2<FloatComplex>& a) + : MDiagArray2<FloatComplex> (a) { } + + FloatComplexDiagMatrix (const FloatComplexDiagMatrix& a) + : MDiagArray2<FloatComplex> (a) { } + + FloatComplexDiagMatrix& operator = (const FloatComplexDiagMatrix& a) + { + MDiagArray2<FloatComplex>::operator = (a); + return *this; + } + + bool operator == (const FloatComplexDiagMatrix& a) const; + bool operator != (const FloatComplexDiagMatrix& a) const; + + FloatComplexDiagMatrix& fill (float val); + FloatComplexDiagMatrix& fill (const FloatComplex& val); + FloatComplexDiagMatrix& fill (float val, octave_idx_type beg, octave_idx_type end); + FloatComplexDiagMatrix& fill (const FloatComplex& val, octave_idx_type beg, octave_idx_type end); + FloatComplexDiagMatrix& fill (const FloatColumnVector& a); + FloatComplexDiagMatrix& fill (const FloatComplexColumnVector& a); + FloatComplexDiagMatrix& fill (const FloatRowVector& a); + FloatComplexDiagMatrix& fill (const FloatComplexRowVector& a); + FloatComplexDiagMatrix& fill (const FloatColumnVector& a, octave_idx_type beg); + FloatComplexDiagMatrix& fill (const FloatComplexColumnVector& a, octave_idx_type beg); + FloatComplexDiagMatrix& fill (const FloatRowVector& a, octave_idx_type beg); + FloatComplexDiagMatrix& fill (const FloatComplexRowVector& a, octave_idx_type beg); + + FloatComplexDiagMatrix hermitian (void) const { return MDiagArray2<FloatComplex>::hermitian (std::conj); } + FloatComplexDiagMatrix transpose (void) const { return MDiagArray2<FloatComplex>::transpose(); } + + friend FloatComplexDiagMatrix conj (const FloatComplexDiagMatrix& a); + + // resize is the destructive analog for this one + + FloatComplexMatrix extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const; + + // extract row or column i + + FloatComplexRowVector row (octave_idx_type i) const; + FloatComplexRowVector row (char *s) const; + + FloatComplexColumnVector column (octave_idx_type i) const; + FloatComplexColumnVector column (char *s) const; + + FloatComplexDiagMatrix inverse (int& info) const; + FloatComplexDiagMatrix inverse (void) const; + + // diagonal matrix by diagonal matrix -> diagonal matrix operations + + FloatComplexDiagMatrix& operator += (const FloatDiagMatrix& a); + FloatComplexDiagMatrix& operator -= (const FloatDiagMatrix& a); + + // other operations + + FloatComplexColumnVector diag (octave_idx_type k = 0) const; + + // i/o + + friend std::ostream& operator << (std::ostream& os, const FloatComplexDiagMatrix& a); + +private: + + FloatComplexDiagMatrix (FloatComplex *d, octave_idx_type nr, octave_idx_type nc) + : MDiagArray2<FloatComplex> (d, nr, nc) { } +}; + +// diagonal matrix by diagonal matrix -> diagonal matrix operations + +FloatComplexDiagMatrix +operator * (const FloatComplexDiagMatrix& a, const FloatComplexDiagMatrix& b); + +FloatComplexDiagMatrix +operator * (const FloatComplexDiagMatrix& a, const FloatDiagMatrix& b); + +FloatComplexDiagMatrix +operator * (const FloatDiagMatrix& a, const FloatComplexDiagMatrix& b); + +MDIAGARRAY2_FORWARD_DEFS (MDiagArray2, FloatComplexDiagMatrix, FloatComplex) + +#endif + +/* +;;; Local Variables: *** +;;; mode: C++ *** +;;; End: *** +*/