/usr/include/fflas-ffpack/ffpack/ffpack_fgesv.inl is in fflas-ffpack-common 2.2.2-5.
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// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
/*
* Copyright (C) 2014 FFLAS-FFACK group
*
* Written by Clement Pernet <Clement.Pernet@imag.fr>
* Brice Boyer (briceboyer) <boyer.brice@gmail.com>
*
*
* ========LICENCE========
* This file is part of the library FFLAS-FFPACK.
*
* FFLAS-FFPACK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*.
*/
#ifndef __FFLASFFPACK_ffpack_fgesv_INL
#define __FFLASFFPACK_ffpack_fgesv_INL
namespace FFPACK {
template <class Field>
size_t
fgesv (const Field& F,
const FFLAS::FFLAS_SIDE Side,
const size_t M, const size_t N,
typename Field::Element_ptr A, const size_t lda,
typename Field::Element_ptr B, const size_t ldb,
int * info)
{
size_t Na;
if (Side == FFLAS::FflasLeft)
Na = M;
else
Na = N;
size_t* P = FFLAS::fflas_new<size_t>(Na);
size_t* Q = FFLAS::fflas_new<size_t>(Na);
size_t R = LUdivine (F, FFLAS::FflasNonUnit, FFLAS::FflasNoTrans, Na, Na, A, lda, P, Q);
fgetrs (F, Side, M, N, R, A, lda, P, Q, B, ldb, info);
FFLAS::fflas_delete( P);
FFLAS::fflas_delete( Q);
return R;
}
template <class Field>
size_t
fgesv (const Field& F,
const FFLAS::FFLAS_SIDE Side,
const size_t M, const size_t N, const size_t NRHS,
typename Field::Element_ptr A, const size_t lda,
typename Field::Element_ptr X, const size_t ldx,
typename Field::ConstElement_ptr B, const size_t ldb,
int * info)
{
size_t* P = FFLAS::fflas_new<size_t>(N);
size_t* Q = FFLAS::fflas_new<size_t>(M);
size_t R = LUdivine (F, FFLAS::FflasNonUnit, FFLAS::FflasNoTrans, M, N, A, lda, P, Q);
fgetrs (F, Side, M, N, NRHS, R, A, lda, P, Q, X, ldx, B, ldb, info);
FFLAS::fflas_delete( P);
FFLAS::fflas_delete( Q);
return R;
}
} //FFPACK
#endif // __FFLASFFPACK_ffpack_fgesv_INL
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