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/*
* Copyright (c) 2011, 2015 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_LEVEL2_R_TCC
#define FLENS_BLAS_LEVEL2_R_TCC 1
#include <flens/blas/closures/closures.h>
#include <flens/blas/level2/level2.h>
#include <flens/typedefs.h>
#include <ulmblas/cxxblas.h>
#ifdef FLENS_DEBUG_CLOSURES
# include <flens/blas/blaslogon.h>
#else
# include <flens/blas/blaslogoff.h>
#endif
namespace flens { namespace blas {
//-- GeneralMatrix, DenseVector ------------------------------------------------
//-- geru
template <typename ALPHA, typename VX, typename VY, typename MA>
typename RestrictTo<IsDenseVector<VX>::value
&& IsDenseVector<VY>::value
&& IsGeMatrix<MA>::value,
void>::Type
r(const ALPHA &alpha, const VX &x, const VY &y, MA &&A)
{
if ((A.numRows()==0) || (A.numCols()==0)) {
A.resize(x.length(), y.length(), x.firstIndex(), y.firstIndex());
}
ASSERT(A.numRows()==x.length());
ASSERT(A.numCols()==y.length());
cxxblas::geru(A.numRows(), A.numCols(),
alpha,
x.data(), x.stride(),
y.data(), y.stride(),
A.data(), A.strideRow(), A.strideCol());
}
//-- geru
template <typename ALPHA, typename VX, typename VY, typename MA>
typename RestrictTo<IsDenseVector<VX>::value
&& IsDenseVector<VY>::value
&& IsGeMatrix<MA>::value,
void>::Type
ru(const ALPHA &alpha, const VX &x, const VY &y, MA &&A)
{
r(alpha, x, y, A);
}
//-- gerc
template <typename ALPHA, typename VX, typename VY, typename MA>
typename RestrictTo<IsDenseVector<VX>::value
&& IsDenseVector<VY>::value
&& IsGeMatrix<MA>::value,
void>::Type
rc(const ALPHA &alpha, const VX &x, const VY &y, MA &&A)
{
if ((A.numRows()==0) || (A.numCols()==0)) {
A.resize(x.length(), y.length(), x.firstIndex(), y.firstIndex());
}
ASSERT(A.numRows()==x.length());
ASSERT(A.numCols()==y.length());
cxxblas::gerc(A.numRows(), A.numCols(),
alpha,
x.data(), x.stride(),
y.data(), y.stride(),
A.data(), A.strideRow(), A.strideCol());
}
//-- HermitianMatrix, DenseVector ----------------------------------------------
//-- her
template <typename ALPHA, typename VX, typename MA>
typename RestrictTo<IsDenseVector<VX>::value
&& IsHeMatrix<MA>::value,
void>::Type
r(const ALPHA &alpha, const VX &x, MA &&A)
{
const bool lowerA = (A.upLo()==Lower);
if (A.dim()==0) {
A.resize(x.length(), x.firstIndex());
}
ASSERT(A.dim()==x.length());
cxxblas::her(A.dim(),
alpha,
x.data(), x.stride(),
lowerA, A.data(), A.strideRow(), A.strideCol());
}
//-- hpr
template <typename ALPHA, typename VX, typename MA>
typename RestrictTo<IsDenseVector<VX>::value
&& IsHpMatrix<MA>::value,
void>::Type
r(const ALPHA &alpha, const VX &x, MA &&A)
{
const bool colMajorA = (A.order()==ColMajor);
const bool lowerA = (A.upLo()==Lower);
if (A.dim()==0) {
A.resize(x.length(), x.firstIndex());
}
ASSERT(A.dim()==x.length());
cxxblas::hpr(A.dim(),
alpha,
x.data(), x.stride(),
colMajorA, lowerA, A.data());
}
//-- SymmetricMatrix, DenseVector ----------------------------------------------
//-- spr
template <typename ALPHA, typename VX, typename MA>
typename RestrictTo<IsDenseVector<VX>::value
&& IsSpMatrix<MA>::value,
void>::Type
r(const ALPHA &alpha, const VX &x, MA &&A)
{
const bool colMajorA = (A.order()==ColMajor);
const bool lowerA = (A.upLo()==Lower);
if (A.dim()==0) {
A.resize(x.length(), x.firstIndex());
}
ASSERT(A.dim()==x.length());
cxxblas::spr(A.dim(),
alpha,
x.data(), x.stride(),
colMajorA, lowerA, A.data());
}
//-- syr
template <typename ALPHA, typename VX, typename MA>
typename RestrictTo<IsDenseVector<VX>::value
&& IsSyMatrix<MA>::value,
void>::Type
r(const ALPHA &alpha, const VX &x, MA &&A)
{
const bool lowerA = (A.upLo()==Lower);
if (A.dim()==0) {
A.resize(x.length(), x.firstIndex());
}
ASSERT(A.dim()==x.length());
cxxblas::syr(A.dim(),
alpha,
x.data(), x.stride(),
lowerA, A.data(), A.strideRow(), A.strideCol());
}
} } // namespace blas, flens
#endif // FLENS_BLAS_LEVEL2_R_TCC
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