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/*
* Copyright (C) 2014, The University of Texas at Austin
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - Neither the name of The University of Texas at Austin 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
* HOLDER 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.
*
*/
/*
* Copyright (C) 2014-2015, Michael Lehn
*
* ulmBLAS adopted general ideas from BLIS. Using micro kernels from BLIS
* only requires minor modifications,
*
*/
#ifndef ULMBLAS_IMPL_LEVEL1_ASUM_TCC
#define ULMBLAS_IMPL_LEVEL1_ASUM_TCC 1
#include <cmath>
#include <ulmblas/impl/level1/asum.h>
namespace ulmBLAS {
template <typename IndexType, typename VX>
VX
asum(IndexType n,
const VX *x,
IndexType incX)
{
VX result;
asum(n, x, incX, result);
return result;
}
template <typename IndexType, typename VX>
VX
asum(IndexType n,
const std::complex<VX> *x,
IndexType incX)
{
VX result = VX(0);
asum(n, x, incX, result);
return result;
}
template <typename IndexType, typename VX, typename Result>
void
asum(IndexType n,
const VX *x,
IndexType incX,
Result &result)
{
result = Result(0);
for (IndexType i=0; i<n; ++i) {
result += std::abs(x[i*incX]);
}
}
template <typename IndexType, typename VX, typename Result>
void
asum(IndexType n,
const std::complex<VX> *x,
IndexType incX,
Result &result)
{
result = Result(0);
for (IndexType i=0; i<n; ++i) {
result += std::abs(std::real(x[i*incX]));
result += std::abs(std::imag(x[i*incX]));
}
}
} // namespace ulmBLAS
#endif // ULMBLAS_IMPL_LEVEL1_ASUM_TCC 1
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