Mercurial > octave
view liboctave/numeric/sparse-qr.h @ 21177:a10f60e13243
style fixes in liboctave/numeric directory
* base-qr.h, randgamma.h, randmtzig.h, randpoisson.h, sparse-chol.cc,
sparse-chol.h, sparse-dmsolve.cc, sparse-lu.cc, sparse-lu.h,
sparse-qr.cc, sparse-qr.h, oct-sparse.h: Style fixes.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 02 Feb 2016 16:53:01 -0500 |
parents | 791dcb32b657 |
children | 7f35125714b4 |
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/* Copyright (C) 2016 John W. Eaton Copyright (C) 2005-2015 David Bateman 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_sparse_qr_h) #define octave_sparse_qr_h 1 #include "dMatrix.h" #include "CMatrix.h" #include "dSparse.h" #include "CSparse.h" #include "oct-sparse.h" // If the sparse matrix classes become templated on the element type // (i.e., sparse_matrix<double>), then it might be best to make the // template parameter of this class also be the element type instead // of the matrix type. template <typename SPARSE_T> class sparse_qr { public: sparse_qr (void); sparse_qr (const SPARSE_T& a, int order = 0); sparse_qr (const sparse_qr& a); ~sparse_qr (void); sparse_qr& operator = (const sparse_qr& a); bool ok (void) const; SPARSE_T V (void) const; ColumnVector Pinv (void) const; ColumnVector P (void) const; SPARSE_T R (bool econ = false) const; typename SPARSE_T::dense_matrix_type C (const typename SPARSE_T::dense_matrix_type& b) const; typename SPARSE_T::dense_matrix_type Q (void) const; template <typename RHS_T, typename RET_T> static RET_T solve (const SPARSE_T& a, const RHS_T& b, octave_idx_type& info); private: class sparse_qr_rep; sparse_qr_rep *rep; template <typename RHS_T, typename RET_T> RET_T tall_solve (const RHS_T& b, octave_idx_type& info) const; template <typename RHS_T, typename RET_T> RET_T wide_solve (const RHS_T& b, octave_idx_type& info) const; }; // Provide qrsolve for backward compatibility. extern Matrix qrsolve (const SparseMatrix& a, const MArray<double>& b, octave_idx_type& info); extern SparseMatrix qrsolve (const SparseMatrix& a, const SparseMatrix& b, octave_idx_type& info); extern ComplexMatrix qrsolve (const SparseMatrix& a, const MArray<Complex>& b, octave_idx_type& info); extern SparseComplexMatrix qrsolve (const SparseMatrix& a, const SparseComplexMatrix& b, octave_idx_type& info); extern ComplexMatrix qrsolve (const SparseComplexMatrix& a, const MArray<double>& 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 MArray<Complex>& b, octave_idx_type& info); extern SparseComplexMatrix qrsolve (const SparseComplexMatrix& a, const SparseComplexMatrix& b, octave_idx_type& info); typedef sparse_qr<SparseMatrix> SparseQR; typedef sparse_qr<SparseComplexMatrix> SparseComplexQR; #endif