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block_multilevel.h
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1/*
2 * Copyright 2008-2009 NVIDIA Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
22#pragma once
23
24#include <cusp/detail/config.h>
25#include <cusp/detail/lu.h>
26#include <cusp/array2d.h>
27#include <cusp/array1d.h>
28#include <cusp/linear_operator.h>
29
30namespace cusp
31{
32
33template <typename MatrixType, typename SmootherType, typename SolverType>
35 public cusp::linear_operator<typename MatrixType::value_type,
36 typename MatrixType::memory_space>
37{
38public:
39
40 typedef typename MatrixType::index_type IndexType;
41 typedef typename MatrixType::value_type ValueType;
42 typedef typename MatrixType::memory_space MemorySpace;
43 typedef typename SmootherType::orientation Orientation;
44
45 struct level
46 {
47 MatrixType R; // restriction operator
48 MatrixType A; // matrix
49 MatrixType P; // prolongation operator
50 cusp::array2d<ValueType,MemorySpace,Orientation> x; // per-level solution
51 cusp::array2d<ValueType,MemorySpace,Orientation> b; // per-level rhs
52 cusp::array2d<ValueType,MemorySpace,Orientation> residual; // per-level residual
53
54 SmootherType smoother;
55
57
58 template<typename Level_Type>
60 };
61
62 SolverType solver;
63
64 std::vector<level> levels;
65
67
68 template <typename MatrixType2, typename SmootherType2, typename SolverType2>
70
71 template <typename Array1, typename Array2>
72 void operator()(const Array1& x, Array2& y);
73
74 template <typename Array1, typename Array2>
75 void solve(const Array1& b, Array2& x);
76
77 template <typename Array1, typename Array2, typename Monitor>
78 void solve(const Array1& b, Array2& x, Monitor& monitor);
79
80 void print( void );
81
82 double operator_complexity( void );
83
84 double grid_complexity( void );
85
86protected:
87
88 template <typename Array1, typename Array2>
89 void _solve(const Array1& b, Array2& x, const size_t i);
90};
94} // end namespace cusp
95
96#include <cusp/block_multilevel.inl>
SmootherType::orientation Orientation
void _solve(const Array1 &b, Array2 &x, const size_t i)
MatrixType::memory_space MemorySpace
double grid_complexity(void)
std::vector< level > levels
double operator_complexity(void)
void operator()(const Array1 &x, Array2 &y)
MatrixType::index_type IndexType
MatrixType::value_type ValueType
void solve(const Array1 &b, Array2 &x, Monitor &monitor)
block_multilevel(const block_multilevel< MatrixType2, SmootherType2, SolverType2 > &M)
void solve(const Array1 &b, Array2 &x)
cusp::array2d< ValueType, MemorySpace, Orientation > x
cusp::array2d< ValueType, MemorySpace, Orientation > residual
level(const Level_Type &level)
cusp::array2d< ValueType, MemorySpace, Orientation > b