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/*
* Copyright 2008-2009 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*! \file blas.h
* \brief BLAS-like functions
*/
#pragma once
#include <cusp/detail/config.h>
#include <cusp/complex.h>
#include <thrust/iterator/iterator_traits.h>
namespace cusp
{
namespace blas
{
/*! \addtogroup algorithms Algorithms
*/
/*! \addtogroup blas BLAS
* \ingroup algorithms
* \{
*/
template <typename ForwardIterator1,
typename ForwardIterator2,
typename ScalarType>
CUSP_DEPRECATED
void axpy(ForwardIterator1 first1,
ForwardIterator1 last1,
ForwardIterator2 first2,
ScalarType alpha);
/*! \p axpy : scaled vector addition (y = alpha * x + y)
*/
template <typename Array1,
typename Array2,
typename ScalarType>
void axpy(const Array1& x,
Array2& y,
ScalarType alpha);
/*! \p axpy : scaled vector addition (y = alpha * x + y)
*/
template <typename Array1,
typename Array2,
typename ScalarType>
void axpy(const Array1& x,
const Array2& y,
ScalarType alpha);
template <typename InputIterator1,
typename InputIterator2,
typename OutputIterator,
typename ScalarType>
CUSP_DEPRECATED
void axpby(InputIterator1 first1,
InputIterator1 last1,
InputIterator2 first2,
OutputIterator output,
ScalarType alpha,
ScalarType beta);
/*! \p axpby : linear combination of two vectors (output = alpha * x + beta * y)
*/
template <typename Array1,
typename Array2,
typename Array3,
typename ScalarType1,
typename ScalarType2>
void axpby(const Array1& x,
const Array2& y,
Array3& output,
ScalarType1 alpha,
ScalarType2 beta);
/*! \p axpby : linear combination of two vectors (output = alpha * x + beta * y)
*/
template <typename Array1,
typename Array2,
typename Array3,
typename ScalarType1,
typename ScalarType2>
void axpby(const Array1& x,
const Array2& y,
const Array3& output,
ScalarType1 alpha,
ScalarType2 beta);
template <typename InputIterator1,
typename InputIterator2,
typename InputIterator3,
typename OutputIterator,
typename ScalarType>
CUSP_DEPRECATED
void axpbypcz(InputIterator1 first1,
InputIterator1 last1,
InputIterator2 first2,
InputIterator3 first3,
OutputIterator output,
ScalarType alpha,
ScalarType beta,
ScalarType gamma);
/*! \p axpbycz : linear combination of three vectors (output = alpha * x + beta * y + gamma * z)
*/
template <typename Array1,
typename Array2,
typename Array3,
typename Array4,
typename ScalarType1,
typename ScalarType2,
typename ScalarType3>
void axpbypcz(const Array1& x,
const Array2& y,
const Array3& z,
Array4& output,
ScalarType1 alpha,
ScalarType2 beta,
ScalarType3 gamma);
/*! \p axpbycz : linear combination of three vectors (output = alpha * x + beta * y + gamma * z)
*/
template <typename Array1,
typename Array2,
typename Array3,
typename Array4,
typename ScalarType1,
typename ScalarType2,
typename ScalarType3>
void axpbypcz(const Array1& x,
const Array2& y,
const Array3& z,
const Array4& output,
ScalarType1 alpha,
ScalarType2 beta,
ScalarType3 gamma);
template <typename InputIterator1,
typename InputIterator2,
typename OutputIterator,
typename ScalarType>
CUSP_DEPRECATED
void xmy(InputIterator1 first1,
InputIterator1 last1,
InputIterator2 first2,
OutputIterator output);
/*! \p xmy : elementwise multiplication of two vectors (output[i] = x[i] * y[i])
*/
template <typename Array1,
typename Array2,
typename Array3>
void xmy(const Array1& x,
const Array2& y,
Array3& output);
/*! \p xmy : elementwise multiplication of two vectors (output[i] = x[i] * y[i])
*/
template <typename Array1,
typename Array2,
typename Array3>
void xmy(const Array1& x,
const Array2& y,
const Array3& output);
template <typename InputIterator,
typename ForwardIterator>
CUSP_DEPRECATED
void copy(InputIterator first1,
InputIterator last1,
ForwardIterator first2);
/*! \p copy : vector copy (y = x)
*/
template <typename Array1,
typename Array2>
void copy(const Array1& array1,
Array2& array2);
/*! \p copy : vector copy (y = x)
*/
template <typename Array1,
typename Array2>
void copy(const Array1& array1,
const Array2& array2);
template <typename InputIterator1,
typename InputIterator2>
CUSP_DEPRECATED
typename thrust::iterator_value<InputIterator1>::type
dot(InputIterator1 first1,
InputIterator1 last1,
InputIterator2 first2);
/*! \p dot : dot product (x^T * y)
*/
template <typename Array1,
typename Array2>
typename Array1::value_type
dot(const Array1& x,
const Array2& y);
template <typename InputIterator1,
typename InputIterator2>
CUSP_DEPRECATED
typename thrust::iterator_value<InputIterator1>::type
dotc(InputIterator1 first1,
InputIterator1 last1,
InputIterator2 first2);
/*! \p dotc : conjugate dot product (conjugate(x)^T * y)
*/
template <typename Array1,
typename Array2>
typename Array1::value_type
dotc(const Array1& x,
const Array2& y);
template <typename ForwardIterator,
typename ScalarType>
CUSP_DEPRECATED
void fill(ForwardIterator first,
ForwardIterator last,
ScalarType alpha);
/*! \p fill : vector fill (x[i] = alpha)
*/
template <typename Array,
typename ScalarType>
void fill(Array& array,
ScalarType alpha);
/*! \p fill : vector fill (x[i] = alpha)
*/
template <typename Array,
typename ScalarType>
void fill(const Array& array,
ScalarType alpha);
template <typename InputIterator>
CUSP_DEPRECATED
typename norm_type<typename thrust::iterator_value<InputIterator>::type>::type
nrm1(InputIterator first,
InputIterator last);
/*! \p nrm1 : vector 1-norm (sum abs(x[i]))
*/
template <typename Array>
typename norm_type<typename Array::value_type>::type
nrm1(const Array& array);
template <typename InputIterator>
CUSP_DEPRECATED
typename norm_type<typename thrust::iterator_value<InputIterator>::type>::type
nrm2(InputIterator first,
InputIterator last);
/*! \p nrm2 : vector 2-norm (sqrt(sum x[i] * x[i] )
*/
template <typename Array>
typename norm_type<typename Array::value_type>::type
nrm2(const Array& array);
template <typename InputIterator>
CUSP_DEPRECATED
typename thrust::iterator_value<InputIterator>::type
nrmmax(InputIterator first,
InputIterator last);
/*! \p nrmmax : vector infinity norm
*/
template <typename Array>
typename Array::value_type
nrmmax(const Array& array);
template <typename ForwardIterator,
typename ScalarType>
CUSP_DEPRECATED
void scal(ForwardIterator first,
ForwardIterator last,
ScalarType alpha);
/*! \p nrmmax : scale vector (x[i] = alpha * x[i])
*/
template <typename Array,
typename ScalarType>
void scal(Array& x,
ScalarType alpha);
/*! \p nrmmax : scale vector (x[i] = alpha * x[i])
*/
template <typename Array,
typename ScalarType>
void scal(const Array& x,
ScalarType alpha);
/*! \}
*/
} // end namespace blas
} // end namespace cusp
#include <cusp/detail/blas.inl>
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