1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/*
* 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.
*/
#pragma once
#include <cusp/detail/config.h>
namespace cusp
{
namespace precond
{
namespace aggregation
{
// Smoothed (final) prolongator defined by P = (I - omega/rho(K) K) * T
// where K = diag(S)^-1 * S and rho(K) is an approximation to the
// spectral radius of K.
template <typename MatrixType, typename ValueType>
void smooth_prolongator(const MatrixType& S,
const MatrixType& T,
MatrixType& P,
const ValueType omega,
const ValueType rho_Dinv_S);
} // end namespace aggregation
} // end namespace precond
} // end namespace cusp
#include <cusp/precond/aggregation/detail/smooth.inl>
|
