/usr/include/fflas-ffpack/fflas/fflas_freduce.h is in fflas-ffpack-common 2.2.2-5.
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// vim:sts=4:sw=4:ts=4:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
/* fflas/fflas_freduce.inl
* Copyright (C) 2014 FFLAS FFPACK group
*
* Written by 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_fflas_freduce_H
#define __FFLASFFPACK_fflas_freduce_H
#include "fflas-ffpack/fflas/fflas_simd.h"
#include "fflas-ffpack/field/field-traits.h"
#include "fflas-ffpack/utils/cast.h"
namespace FFLAS {
template<class T>
struct support_simd_mod : public std::false_type {} ;
#ifdef __FFLASFFPACK_HAVE_SSE4_1_INSTRUCTIONS
template<>
struct support_simd_mod<float> : public std::true_type {} ;
template<>
struct support_simd_mod<double> : public std::true_type {} ;
#ifdef SIMD_INT
template<>
struct support_simd_mod<int64_t> : public std::true_type {} ;
#endif // SIMD_INT
#endif // __FFLASFFPACK_HAVE_SSE4_1_INSTRUCTIONS
} // FFLAS
#include "fflas-ffpack/fflas/fflas_freduce.inl"
namespace FFLAS {
/***************************/
/* LEVEL 1 */
/***************************/
template<class Field>
void
freduce (const Field & F, const size_t m,
typename Field::ConstElement_ptr B, const size_t incY,
typename Field::Element_ptr A, const size_t incX)
{
return details::freduce (F,m,B,incY,A,incX,typename FieldTraits<Field>::category());
}
template<class Field>
void
freduce (const Field & F, const size_t m,
typename Field::Element_ptr A, const size_t incX)
{
return details::freduce (F,m,A,incX,typename FieldTraits<Field>::category());
}
template<class Field>
void
freduce_constoverride(const Field & F, const size_t m,
typename Field::ConstElement_ptr A, const size_t incX)
{
return freduce(F, m, FFPACK::fflas_const_cast<typename Field::Element_ptr>(A), incX);
}
// OOOPS
// CP: to be moved to a fflas_finit field, if ever needed
template<class Field, class ConstOtherElement_ptr>
void
finit (const Field& F, const size_t n,
ConstOtherElement_ptr Y, const size_t incY,
typename Field::Element_ptr X, const size_t incX)
{
typename Field::Element_ptr Xi = X ;
ConstOtherElement_ptr Yi = Y ;
if (incX == 1 && incY == 1)
for (; Yi < Y + n ; ++Xi, ++Yi)
F.init( *Xi , *Yi);
else
for (; Yi < Y+n*incY; Xi+=incX, Yi += incY )
F.init( *Xi , *Yi);
}
/***************************/
/* LEVEL 2 */
/***************************/
template<class Field>
void
freduce (const Field& F, const size_t m , const size_t n,
typename Field::Element_ptr A, const size_t lda)
{
if (n == lda)
freduce (F, n*m, A, 1);
else
for (size_t i = 0 ; i < m ; ++i)
freduce (F, n, A+i*lda, 1);
return;
}
template<class Field>
void
pfreduce (const Field& F, const size_t m , const size_t n,
typename Field::Element_ptr A, const size_t lda, const size_t numths)
{
SYNCH_GROUP(
FORBLOCK1D(iter, m, SPLITTER(numths),
size_t rowsize= iter.end()-iter.begin();
TASK(MODE(CONSTREFERENCE(F) READWRITE(A[iter.begin()*lda])),
freduce (F, rowsize, n, A+iter.begin()*lda, lda);
);
);
);
return;
}
template<class Field>
void
freduce (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)
{
for (size_t i = 0 ; i < m ; ++i) {
freduce(F,n,B+i*ldb,1,A+i*lda,1);
}
}
template<class Field>
void
freduce_constoverride(const Field & F, const size_t m, const size_t n,
typename Field::ConstElement_ptr A, const size_t lda)
{
return freduce(F, m, n,
FFPACK::fflas_const_cast<typename Field::Element_ptr>(A), lda);
}
// CP: to be moved to a fflas_finit field, if ever needed
template<class Field, class OtherElement_ptr>
void
finit (const Field& F, const size_t m , const size_t n,
const OtherElement_ptr B, const size_t ldb,
typename Field::Element_ptr A, const size_t lda)
{
if (n == lda && n == ldb)
finit (F, n*m, B, 1, A, 1);
else
for (size_t i = 0 ; i < m ; ++i)
finit (F, n, B + i*ldb, 1, A + i*lda, 1);
return;
}
} // end of namespace FFLAS
//#include "fflas_freduce_mp.inl" moved to fflas.h
#endif // __FFLASFFPACK_fflas_freduce_H
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