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/*
* Copyright (c) 2012, Michael Lehn
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1) Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2) Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3) Neither the name of the FLENS development group nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLENS_BLAS_CLOSURES_LEVEL3_MM_TCC
#define FLENS_BLAS_CLOSURES_LEVEL3_MM_TCC 1
#include <flens/auxiliary/auxiliary.h>
#include <flens/blas/closures/closures.h>
#include <flens/blas/level1/level1.h>
#include <flens/blas/level2/level2.h>
#include <flens/blas/level3/level3.h>
#include <flens/typedefs.h>
#ifdef FLENS_DEBUG_CLOSURES
# include <flens/blas/blaslogon.h>
#else
# include <flens/blas/blaslogoff.h>
#endif
namespace flens { namespace blas {
//== GeneralMatrix - GeneralMatrix products ====================================
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose, Transpose, const ALPHA &,
const GeneralMatrix<MA> &, const GeneralMatrix<MB> &,
const BETA &, Matrix<MC> &)
{
// You get here if you want to call a matrix-matrix product that was not
// defined. Or its not correctly included.
// TODO: print the signature of the blas::mm() function that needs to be
// implemented.
ASSERT(0);
}
//== TriangularMatrix - GeneralMatrix products =================================
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
typename RestrictTo<IsTriangularMatrix<MA>::value &&
IsGeneralMatrix<MB>::value &&
IsGeneralMatrix<MC>::value,
void>::Type
trmm(Side side, Transpose transA, Transpose DEBUG_VAR(transB),
const ALPHA &alpha, const MA &A_, const MB &B_,
const BETA &DEBUG_VAR(beta), MC &C)
{
using namespace DEBUGCLOSURE;
typedef typename Result<MA>::Type RMA;
typedef typename Result<MB>::Type RMB;
//
// In non-closure debug mode we do not allow temporaries for A or B.
//
# ifndef FLENS_DEBUG_CLOSURES
static_assert(IsSame<RMA, typename Result<RMA>::Type>::value,
"temporary required");
static_assert(IsSame<RMB, typename Result<RMB>::Type>::value,
"temporary required");
# else
typedef typename Result<MC>::Type RMC;
# endif
//
// If A_ or B_ is a closure temporaries get created
//
FLENS_BLASLOG_TMP_TRON;
const RMA &A = A_;
const RMB &B = B_;
FLENS_BLASLOG_TMP_TROFF;
//
// If beta!=0 or transB!=NoTrans or A and C share the same memopry we need
// temporaries
//
# ifndef FLENS_DEBUG_CLOSURES
ASSERT(beta==BETA(0));
ASSERT(transB==NoTrans);
ASSERT(!identical(A, C));
# else
typedef typename Result<MC>::Type RMC;
if (transB!=NoTrans) {
//
// apply op(B) and recall trmm
//
typename RMB::NoView B_;
FLENS_BLASLOG_TMP_ADD(B_);
copy(transB, B, B_);
trmm(side, transA, NoTrans, alpha, A, B_, beta, C);
FLENS_BLASLOG_TMP_REMOVE(B_, B);
if (!IsSame<RMA, typename Result<RMA>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(A, A_);
}
if (!IsSame<RMB, typename Result<RMB>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(B, B_);
}
return;
}
if (identical(A,C)) {
FLENS_BLASLOG_IDENTICAL(A, C);
typename RMC::NoView C_;
FLENS_BLASLOG_TMP_ADD(C_);
trmm(side, transA, NoTrans, alpha, A, B, beta, C_);
C = C_;
FLENS_BLASLOG_TMP_REMOVE(C_, C);
return;
}
typename RMC::NoView tmpC;
if (beta!=BETA(0)) {
FLENS_BLASLOG_TMP_ADD(tmpC);
tmpC = C;
}
# endif
//
// trmm can only compute C = A*C or C = C*A. So if B and C are not identical
// we need to copy
//
if (!identical(C, B)) {
C = B;
}
mm(side, transA, alpha, A, C);
# ifdef FLENS_DEBUG_CLOSURES
if (beta!=BETA(0)) {
C += beta*tmpC;
FLENS_BLASLOG_TMP_REMOVE(tmpC, C);
}
if (!IsSame<RMA, typename Result<RMA>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(A, A_);
}
if (!IsSame<RMB, typename Result<RMB>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(B, B_);
}
# endif
}
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose transA, Transpose transB, const ALPHA &alpha,
const TriangularMatrix<MA> &A, const GeneralMatrix<MB> &B,
const BETA &beta, Matrix<MC> &C)
{
trmm(Left, transA, transB, alpha, A.impl(), B.impl(), beta, C.impl());
}
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose transA, Transpose transB, const ALPHA &alpha,
const GeneralMatrix<MA> &A, const TriangularMatrix<MB> &B,
const BETA &beta, Matrix<MC> &C)
{
trmm(Right, transB, transA, alpha, B.impl(), A.impl(), beta, C.impl());
}
//== SymmetricMatrix - GeneralMatrix products ==================================
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
symm(Side side, Transpose DEBUG_VAR(transB), const ALPHA &alpha,
const SymmetricMatrix<MA> &A_, const GeneralMatrix<MB> &B_,
const BETA &beta, Matrix<MC> &C)
{
using namespace DEBUGCLOSURE;
typedef typename Result<typename MA::Impl>::Type RMA;
typedef typename Result<typename MB::Impl>::Type RMB;
//
// In non-closure debug mode we do not allow temporaries for A or B.
//
# ifndef FLENS_DEBUG_CLOSURES
static_assert(IsSame<RMA, typename Result<RMA>::Type>::value,
"temporary required");
static_assert(IsSame<RMB, typename Result<RMB>::Type>::value,
"temporary required");
ASSERT(transB==NoTrans);
# endif
//
// If A_ or B_ is a closure temporaries get created
//
FLENS_BLASLOG_TMP_TRON;
const RMA &A = A_.impl();
const RMB &B = B_.impl();
FLENS_BLASLOG_TMP_TROFF;
//
// call (sy)mm
//
# ifndef FLENS_DEBUG_CLOSURES
mm(side, alpha, A.impl(), B.impl(), beta, C.impl());
# else
//
// if transB is not NoTrans we need another temporary
//
if (transB==NoTrans) {
mm(side, alpha, A, B, beta, C.impl());
} else {
typename RMB::NoView B_;
FLENS_BLASLOG_TMP_ADD(B_);
copy(transB, B, B_);
mm(side, alpha, A, B_, beta, C.impl());
FLENS_BLASLOG_TMP_REMOVE(B_, B);
}
# endif
# ifdef FLENS_DEBUG_CLOSURES
if (!IsSame<RMA, typename Result<RMA>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(A, A_);
}
if (!IsSame<RMB, typename Result<RMB>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(B, B_);
}
# endif
}
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose DEBUG_VAR(transA), Transpose transB, const ALPHA &alpha,
const SymmetricMatrix<MA> &A, const GeneralMatrix<MB> &B,
const BETA &beta, Matrix<MC> &C)
{
ASSERT(transA==NoTrans || transA==Trans);
symm(Left, transB, alpha, A.impl(), B.impl(), beta, C.impl());
}
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose DEBUG_VAR(transA), Transpose transB, const ALPHA &alpha,
const GeneralMatrix<MA> &A, const SymmetricMatrix<MB> &B,
const BETA &beta, Matrix<MC> &C)
{
ASSERT(transA==NoTrans || transA==Trans);
symm(Right, transB, alpha, B.impl(), A.impl(), beta, C.impl());
}
//== HermitianMatrix - GeneralMatrix products ==================================
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
hemm(Side side, Transpose DEBUG_VAR(transB), const ALPHA &alpha,
const HermitianMatrix<MA> &A_, const GeneralMatrix<MB> &B_,
const BETA &beta, Matrix<MC> &C)
{
using namespace DEBUGCLOSURE;
typedef typename Result<typename MA::Impl>::Type RMA;
typedef typename Result<typename MB::Impl>::Type RMB;
//
// In non-closure debug mode we do not allow temporaries for A or B.
//
# ifndef FLENS_DEBUG_CLOSURES
static_assert(IsSame<RMA, typename Result<RMA>::Type>::value,
"temporary required");
static_assert(IsSame<RMB, typename Result<RMB>::Type>::value,
"temporary required");
ASSERT(transB==NoTrans);
# endif
//
// If A_ or B_ is a closure temporaries get created
//
FLENS_BLASLOG_TMP_TRON;
const RMA &A = A_.impl();
const RMB &B = B_.impl();
FLENS_BLASLOG_TMP_TROFF;
//
// call (he)mm
//
# ifndef FLENS_DEBUG_CLOSURES
mm(side, alpha, A.impl(), B.impl(), beta, C.impl());
# else
//
// if transB is not NoTrans we need another temporary
//
if (transB==NoTrans) {
mm(side, alpha, A, B, beta, C.impl());
} else {
typename RMB::NoView B_;
FLENS_BLASLOG_TMP_ADD(B_);
copy(transB, B, B_);
mm(side, alpha, A, B_, beta, C.impl());
FLENS_BLASLOG_TMP_REMOVE(B_, B);
}
# endif
# ifdef FLENS_DEBUG_CLOSURES
if (!IsSame<RMA, typename Result<RMA>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(A, A_);
}
if (!IsSame<RMB, typename Result<RMB>::Type>::value) {
FLENS_BLASLOG_TMP_REMOVE(B, B_);
}
# endif
}
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose DEBUG_VAR(transA), Transpose transB, const ALPHA &alpha,
const HermitianMatrix<MA> &A, const GeneralMatrix<MB> &B,
const BETA &beta, Matrix<MC> &C)
{
ASSERT(transA==NoTrans || transA==Trans);
hemm(Left, transB, alpha, A.impl(), B.impl(), beta, C.impl());
}
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose DEBUG_VAR(transA), Transpose transB, const ALPHA &alpha,
const GeneralMatrix<MA> &A, const HermitianMatrix<MB> &B,
const BETA &beta, Matrix<MC> &C)
{
ASSERT(transA==NoTrans || transA==Trans);
hemm(Right, transB, alpha, B.impl(), A.impl(), beta, C.impl());
}
//== Matrix - Matrix products ==================================================
//
// This gets called if everything else fails
//
#ifdef FLENS_DEBUG_CLOSURES
template <typename ALPHA, typename MA, typename MB, typename BETA, typename MC>
void
mm(Transpose transA, Transpose transB, const ALPHA &alpha,
const Matrix<MA> &A, const Matrix<MB> &B,
const BETA &beta, Matrix<MC> &C)
{
FLENS_BLASLOG_BEGIN_GEMM(transA, transB, alpha, A.impl(),
B.impl(), beta, C.impl());
//
// We create temporaries of type GeMatrix for all matrices on the right
// hand side. If A and B can be converted to GeMatrix types this at
// least does the desired compuation.
//
typedef typename MA::Impl::ElementType TA;
typedef typename MB::Impl::ElementType TB;
typedef GeMatrix<FullStorage<TA, ColMajor> > RMA;
typedef GeMatrix<FullStorage<TB, ColMajor> > RMB;
FLENS_BLASLOG_TMP_TRON;
const RMA &A_ = A.impl();
const RMB &B_ = B.impl();
FLENS_BLASLOG_TMP_TROFF;
mm(transA, transB, alpha, A_, B_, beta, C.impl());
FLENS_BLASLOG_TMP_REMOVE(A_, A);
FLENS_BLASLOG_TMP_REMOVE(B_, B);
FLENS_BLASLOG_END;
}
#endif
} } // namespace blas, flens
#endif // FLENS_BLAS_CLOSURES_LEVEL3_MM_TCC
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