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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.
*/
#include <cusp/convert.h>
#include <cusp/detail/utils.h>
namespace cusp
{
//////////////////
// Constructors //
//////////////////
// construct from a different matrix
template <typename IndexType, typename ValueType, class MemorySpace>
template <typename MatrixType>
dia_matrix<IndexType,ValueType,MemorySpace>
::dia_matrix(const MatrixType& matrix)
{
cusp::convert(matrix, *this);
}
//////////////////////
// Member Functions //
//////////////////////
// copy a matrix in a different format
template <typename IndexType, typename ValueType, class MemorySpace>
template <typename MatrixType>
dia_matrix<IndexType,ValueType,MemorySpace>&
dia_matrix<IndexType,ValueType,MemorySpace>
::operator=(const MatrixType& matrix)
{
cusp::convert(matrix, *this);
return *this;
}
///////////////////////////
// Convenience Functions //
///////////////////////////
template <typename Array1,
typename Array2>
dia_matrix_view<Array1,Array2>
make_dia_matrix_view(size_t num_rows,
size_t num_cols,
size_t num_entries,
Array1 diagonal_offsets,
Array2 values)
{
return dia_matrix_view<Array1,Array2>
(num_rows, num_cols, num_entries,
diagonal_offsets, values);
}
template <typename Array1,
typename Array2,
typename IndexType,
typename ValueType,
typename MemorySpace>
dia_matrix_view<Array1,Array2,IndexType,ValueType,MemorySpace>
make_dia_matrix_view(const dia_matrix_view<Array1,Array2,IndexType,ValueType,MemorySpace>& m)
{
return dia_matrix_view<Array1,Array2,IndexType,ValueType,MemorySpace>(m);
}
template <typename IndexType, typename ValueType, class MemorySpace>
typename dia_matrix<IndexType,ValueType,MemorySpace>::view
make_dia_matrix_view(dia_matrix<IndexType,ValueType,MemorySpace>& m)
{
return make_dia_matrix_view
(m.num_rows, m.num_cols, m.num_entries,
cusp::make_array1d_view(m.diagonal_offsets),
cusp::make_array2d_view(m.values));
}
template <typename IndexType, typename ValueType, class MemorySpace>
typename dia_matrix<IndexType,ValueType,MemorySpace>::const_view
make_dia_matrix_view(const dia_matrix<IndexType,ValueType,MemorySpace>& m)
{
return make_dia_matrix_view
(m.num_rows, m.num_cols, m.num_entries,
cusp::make_array1d_view(m.diagonal_offsets),
cusp::make_array2d_view(m.values));
}
} // end namespace cusp
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