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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_LEVEL1_COTR_TCC
#define FLENS_BLAS_LEVEL1_COTR_TCC 1

#include <flens/auxiliary/auxiliary.h>
#include <flens/blas/closures/closures.h>
#include <flens/blas/level1/level1.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 {

//-- gecotr
template <typename MA>
typename RestrictTo<IsGeMatrix<MA>::value,
         void>::Type
cotr(Transpose transposeA, MA &&A)
{
    const bool transA = (transposeA==Trans || transposeA==ConjTrans);
    const bool conjA  = (transposeA==Conj || transposeA==ConjTrans);

//
//  If matrix is not square no inplace transpose is possible
//
#   ifndef FLENS_DEBUG_CLOSURES
#   ifndef NDEBUG
    if (transA) {
        ASSERT(A.numRows()==A.numCols());
    }
#   endif
#   else
    if (transA && A.numRows()!=A.numCols()) {
        typename RemoveRef<MA>::Type::NoView  B = A;
        FLENS_BLASLOG_TMP_ADD(B);

        copy(transposeA, B, A);

        FLENS_BLASLOG_TMP_REMOVE(B, A);
        return;
    }
#   endif

//
//  Quick return if possible
//
    if (!transA && !conjA) {
        return;
    }

    FLENS_BLASLOG_SETTAG("--> ");
    FLENS_BLASLOG_BEGIN_MCOTR(transposeA, A);

    cxxblas::gecotr(A.numRows(), transA, conjA,
                    A.data(), A.strideRow(), A.strideCol());

    FLENS_BLASLOG_END;
    FLENS_BLASLOG_UNSETTAG;
}

} } // namespace blas, flens

#endif // FLENS_BLAS_LEVEL1_COTR_TCC





































































































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