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/*
* Copyright 2014-2015 The University of Queensland
* http://www.uq.edu.au
*
* 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.
*/
#pragma once
#include <cusp/format.h>
// SpMV
#include <cusp/detail/device/transposed_spmv/cds.h>
#include <cusp/detail/device/transposed_spmv/dia.h>
namespace cusp
{
namespace detail
{
namespace device
{
//////////////////////////////////
// Dense Matrix-Vector Multiply //
//////////////////////////////////
//// TODO implement this for both row and column-major ordering
//template <typename Matrix,
// typename Vector1,
// typename Vector2>
//void multiply(const Matrix& A,
// const Vector1& B,
// Vector2& C,
// cusp::array2d_format,
// cusp::array1d_format,
// cusp::array1d_format)
//{
//}
///////////////////////////////////
// Sparse Matrix-Vector Multiply //
///////////////////////////////////
template <typename Matrix,
typename Vector1,
typename Vector2>
void transposed_multiply(const Matrix& A,
const Vector1& B,
Vector2& C,
cusp::cds_format,
cusp::array1d_format,
cusp::array1d_format)
{
#ifdef CUSP_USE_TEXTURE_MEMORY
cusp::detail::device::transposed_spmv_cds_tex(A, thrust::raw_pointer_cast(&B[0]), thrust::raw_pointer_cast(&C[0]));
#else
cusp::detail::device::transposed_spmv_cds(A, thrust::raw_pointer_cast(&B[0]), thrust::raw_pointer_cast(&C[0]));
#endif
}
template <typename Matrix,
typename Vector1,
typename Vector2>
void transposed_multiply(const Matrix& A,
const Vector1& B,
Vector2& C,
cusp::dia_format,
cusp::array1d_format,
cusp::array1d_format)
{
#ifdef CUSP_USE_TEXTURE_MEMORY
cusp::detail::device::transposed_spmv_dia_tex(A, thrust::raw_pointer_cast(&B[0]), thrust::raw_pointer_cast(&C[0]));
#else
cusp::detail::device::transposed_spmv_dia(A, thrust::raw_pointer_cast(&B[0]), thrust::raw_pointer_cast(&C[0]));
#endif
}
/////////////////
// Entry Point //
/////////////////
template <typename Matrix,
typename MatrixOrVector1,
typename MatrixOrVector2>
void transposed_multiply(const Matrix& A,
const MatrixOrVector1& B,
MatrixOrVector2& C)
{
cusp::detail::device::transposed_multiply(A, B, C,
typename Matrix::format(),
typename MatrixOrVector1::format(),
typename MatrixOrVector2::format());
}
} // end namespace device
} // end namespace detail
} // end namespace cusp
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