lanczos.h

Go to the documentation of this file.

/*
 *  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/eigen/lanczos_options.h>

namespace cusp
{
namespace eigen
{

/* \cond */
template <typename Matrix, typename Array1d>
void lanczos(const Matrix& A, Array1d& eigVals);

template <typename Matrix, typename Array1d, typename Array2d>
void lanczos(const Matrix& A, Array1d& eigVals, Array2d& eigVecs);
/* \endcond */

template <typename Matrix,
          typename Array1d1,
          typename Array2d1,
          typename Array1d2,
          typename Array2d2,
          typename LanczosOptions>
void lanczos(const Matrix& A,
             Array1d1& eigVals,
             Array2d1& eigVecs,
             LanczosOptions& options);

} // end namespace eigen
} // end namespace cusp

#include <cusp/eigen/detail/lanczos.inl>