Mercurial > hg > octave-nkf
view liboctave/SparseCmplxQR.h @ 5967:d542d9197839 ss-2-9-8
[project @ 2006-08-24 21:24:53 by jwe]
author | jwe |
---|---|
date | Thu, 24 Aug 2006 21:27:41 +0000 |
parents | eb90c83b4f91 |
children | 143b556ce725 |
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/* Copyright (C) 2005 David Bateman 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 2, 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 this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #if !defined (sparse_cmplx_QR_h) #define sparse_cmplx_QR_h 1 #include <iostream> #include "dMatrix.h" #include "CMatrix.h" #include "dSparse.h" #include "CSparse.h" #include "oct-sparse.h" #ifdef IDX_TYPE_LONG #define CXSPARSE_ZNAME(name) cs_cl ## name #else #define CXSPARSE_ZNAME(name) cs_ci ## name #endif class SparseComplexQR { protected: class SparseComplexQR_rep { public: SparseComplexQR_rep (const SparseComplexMatrix& a, int order); ~SparseComplexQR_rep (void); #ifdef HAVE_CXSPARSE bool ok (void) const { return (N && S); } #else bool ok (void) const { return false; } #endif SparseComplexMatrix V (void) const; ColumnVector Pinv (void) const; ColumnVector P (void) const; SparseComplexMatrix R (const bool econ) const; ComplexMatrix C (const ComplexMatrix &b) const; int count; octave_idx_type nrows; #ifdef HAVE_CXSPARSE CXSPARSE_ZNAME (s) *S; CXSPARSE_ZNAME (n) *N; #endif }; private: SparseComplexQR_rep *rep; public: SparseComplexQR (void) : rep (new SparseComplexQR_rep (SparseComplexMatrix(), 0)) { } SparseComplexQR (const SparseComplexMatrix& a, int order = 0) : rep (new SparseComplexQR_rep (a, order)) { } SparseComplexQR (const SparseComplexQR& a) : rep (a.rep) { rep->count++; } ~SparseComplexQR (void) { if (--rep->count <= 0) delete rep; } SparseComplexQR& operator = (const SparseComplexQR& a) { if (this != &a) { if (--rep->count <= 0) delete rep; rep = a.rep; rep->count++; } return *this; } bool ok (void) const { return rep->ok(); } SparseComplexMatrix V (void) const { return rep->V(); } ColumnVector Pinv (void) const { return rep->P(); } ColumnVector P (void) const { return rep->P(); } SparseComplexMatrix R (const bool econ = false) const { return rep->R(econ); } ComplexMatrix C (const ComplexMatrix &b) const { return rep->C(b); } friend ComplexMatrix qrsolve (const SparseComplexMatrix &a, const Matrix &b, octave_idx_type &info); friend SparseComplexMatrix qrsolve (const SparseComplexMatrix &a, const SparseMatrix &b, octave_idx_type &info); friend ComplexMatrix qrsolve (const SparseComplexMatrix &a, const ComplexMatrix &b, octave_idx_type &info); friend SparseComplexMatrix qrsolve (const SparseComplexMatrix &a, const SparseComplexMatrix &b, octave_idx_type &info); protected: #ifdef HAVE_CXSPARSE CXSPARSE_ZNAME (s) * S (void) { return rep->S; } CXSPARSE_ZNAME (n) * N (void) { return rep->N; } #endif }; // Publish externally used friend functions. extern ComplexMatrix qrsolve (const SparseComplexMatrix &a, const Matrix &b, octave_idx_type &info); extern SparseComplexMatrix qrsolve (const SparseComplexMatrix &a, const SparseMatrix &b, octave_idx_type &info); extern ComplexMatrix qrsolve (const SparseComplexMatrix &a, const ComplexMatrix &b, octave_idx_type &info); extern SparseComplexMatrix qrsolve (const SparseComplexMatrix &a, const SparseComplexMatrix &b, octave_idx_type &info); #endif /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */