polynomial.h

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/*
 *  Copyright 2008-2014 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.
 */

#pragma once

#include <cusp/detail/config.h>

#include <cusp/linear_operator.h>

namespace cusp
{
namespace relaxation
{

template <typename ValueType, typename MemorySpace>
class polynomial : public cusp::linear_operator<ValueType, MemorySpace>
{
public:

    /* \cond */
    // note: default_coefficients lives on the host
    cusp::array1d<ValueType, cusp::host_memory> default_coefficients;
    cusp::array1d<ValueType, MemorySpace> residual;
    cusp::array1d<ValueType, MemorySpace> h;
    cusp::array1d<ValueType, MemorySpace> y;
    /* \endcond */

    polynomial(void){}

    template <typename MatrixType>
    polynomial(const MatrixType& A);

    template <typename MatrixType, typename VectorType>
    polynomial(const MatrixType& A, const VectorType& coefficients);

    template<typename MemorySpace2>
    polynomial(const polynomial<ValueType,MemorySpace2>& A)
    : default_coefficients(A.default_coefficients),
      residual(A.residual), h(A.h), y(A.y) {}

    template <typename MatrixType, typename VectorType1, typename VectorType2>
    void operator()(const MatrixType& A, const VectorType1& b, VectorType2& x);

    template <typename MatrixType, typename VectorType1, typename VectorType2, typename VectorType3>
    void operator()(const MatrixType& A, const VectorType1& b, VectorType2& x, const VectorType3& coefficients);
};
} // end namespace relaxation
} // end namespace cusp

#include <cusp/relaxation/detail/polynomial.inl>