https://hal.archives-ouvertes.fr/hal-02128878
Tip revision: 4201397494d9af8b687117e8ff4d85a8944f5c5a authored by Software Heritage on 11 June 2019, 10:15:02 UTC
hal: Deposit 298 in collection hal
hal: Deposit 298 in collection hal
Tip revision: 4201397
fflas_fassign.inl
/* fflas/fflas_fassign.inl
* Copyright (C) 2007 Clement Pernet
*
* 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_fassign_INL
#define __FFLASFFPACK_fassign_INL
#include <string.h>
#include <givaro/modular.h>
#include <givaro/modular-balanced.h>
#include <givaro/zring.h>
#include "fflas-ffpack/utils/debug.h"
namespace FFLAS {
/***************************/
/* LEVEL 1 */
/***************************/
template<class Field>
inline void
fassign (const Field& F, const size_t N,
typename Field::ConstElement_ptr Y, const size_t incY,
typename Field::Element_ptr X, const size_t incX)
{
typename Field::Element_ptr Xi = X;
typename Field::ConstElement_ptr Yi=Y;
if (incX == 1 && incY == 1) {
for (; Xi < X+N; ++Xi, ++Yi)
F.assign(*Xi,*Yi);
}
else {
for (; Xi < X+N*incX; Xi+=incX, Yi+=incY )
F.assign(*Xi,*Yi);
}
return;
}
template<>
inline void
fassign (const Givaro::Modular<float>& F, const size_t N,
const float * Y, const size_t incY,
float * X, const size_t incX)
{
#if defined(__FFLASFFPACK_OPENBLAS_NUM_THREADS) and not defined (__FFLASFFPACK_OPENBLAS_NT_ALREADY_SET)
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
cblas_scopy((int)N,Y,(int)incY,X,(int)incX);
return;
}
template<>
inline void
fassign (const Givaro::ModularBalanced<float>& F, const size_t N,
const float * Y, const size_t incY,
float * X, const size_t incX)
{
#if defined(__FFLASFFPACK_OPENBLAS_NUM_THREADS) and not defined (__FFLASFFPACK_OPENBLAS_NT_ALREADY_SET)
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
cblas_scopy((int)N,Y,(int)incY,X,(int)incX);
return;
}
template<>
inline void
fassign (const Givaro::ZRing<float>& F, const size_t N,
const float * Y, const size_t incY,
float * X, const size_t incX)
{
#if defined(__FFLASFFPACK_OPENBLAS_NUM_THREADS) and not defined (__FFLASFFPACK_OPENBLAS_NT_ALREADY_SET)
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
cblas_scopy((int)N,Y,(int)incY,X,(int)incX);
return;
}
template<>
inline void
fassign (const Givaro::Modular<double>& F, const size_t N,
const double * Y, const size_t incY,
double * X, const size_t incX)
{
#if defined(__FFLASFFPACK_OPENBLAS_NUM_THREADS) and not defined (__FFLASFFPACK_OPENBLAS_NT_ALREADY_SET)
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
cblas_dcopy((int)N,Y,(int)incY,X,(int)incX);
return;
}
template<>
inline void
fassign (const Givaro::ModularBalanced<double>& F, const size_t N,
const double * Y, const size_t incY,
double * X, const size_t incX)
{
#if defined(__FFLASFFPACK_OPENBLAS_NUM_THREADS) and not defined (__FFLASFFPACK_OPENBLAS_NT_ALREADY_SET)
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
cblas_dcopy((int)N,Y,(int)incY,X,(int)incX);
return;
}
template<>
inline void
fassign (const Givaro::ZRing<double>& F, const size_t N,
const double * Y, const size_t incY ,
double * X, const size_t incX)
{
#if defined(__FFLASFFPACK_OPENBLAS_NUM_THREADS) and not defined (__FFLASFFPACK_OPENBLAS_NT_ALREADY_SET)
openblas_set_num_threads(__FFLASFFPACK_OPENBLAS_NUM_THREADS);
#endif
cblas_dcopy((int)N,Y,(int)incY,X,(int)incX);
return;
}
/***************************/
/* LEVEL 2 */
/***************************/
template<class Field>
void fassign (const Field& F, const size_t m, const size_t n,
typename Field::ConstElement_ptr B, const size_t ldb ,
typename Field::Element_ptr A, const size_t lda)
{
if (!m || !n) return;
FFLASFFPACK_check(n<=std::min(lda,ldb));
// if possible, copy one big block
if (lda == n && ldb == n) {
fassign(F,m*n,B,1,A,1);
return ;
}
// else, copy row after row
for (size_t i = 0 ; i < m ; ++i) {
fassign(F,n,B+i*ldb,1,A+i*lda,1);
}
return;
}
} // FFLAS
#endif // __FFLASFFPACK_fassign_INL
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s