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blas_mat_interface.h
Go to the documentation of this file.
1/*
2 * Copyright (c) 2011-2015: G-CSC, Goethe University Frankfurt
3 * Author: Martin Rupp
4 *
5 * This file is part of UG4.
6 *
7 * UG4 is free software: you can redistribute it and/or modify it under the
8 * terms of the GNU Lesser General Public License version 3 (as published by the
9 * Free Software Foundation) with the following additional attribution
10 * requirements (according to LGPL/GPL v3 §7):
11 *
12 * (1) The following notice must be displayed in the Appropriate Legal Notices
13 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
14 *
15 * (2) The following notice must be displayed at a prominent place in the
16 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
17 *
18 * (3) The following bibliography is recommended for citation and must be
19 * preserved in all covered files:
20 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
21 * parallel geometric multigrid solver on hierarchically distributed grids.
22 * Computing and visualization in science 16, 4 (2013), 151-164"
23 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
24 * flexible software system for simulating pde based models on high performance
25 * computers. Computing and visualization in science 16, 4 (2013), 165-179"
26 *
27 * This program is distributed in the hope that it will be useful,
28 * but WITHOUT ANY WARRANTY; without even the implied warranty of
29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 * GNU Lesser General Public License for more details.
31 */
32
33#ifndef BLAS_MAT_INTERFACE_H_
34#define BLAS_MAT_INTERFACE_H_
35
36
37
39template<typename vector_t, typename matrix_t>
40inline bool MatMultScale(vector_t &dest, const number &beta1, const matrix_t &A1, const vector_t &w1);
41
43template<typename vector_t, typename matrix_t>
44inline bool MatMult(vector_t &dest, const matrix_t &A1, const vector_t &w1);
45
46
48template<typename vector_t, typename matrix_t>
49inline bool MatMultAdd(vector_t &dest,
50 const number &alpha1, const vector_t &v1,
51 const number &beta1, const matrix_t &A1, const vector_t &w1 );
52
54template<typename vector_t, typename matrix_t>
55inline bool MatMultAppend(vector_t &dest,
56 const matrix_t &A1, const vector_t &w1 );
57
58
60template<typename vector_t, typename matrix_t>
61inline bool MatMultScaleTransposed(vector_t &dest,
62 const number &beta1, const matrix_t &A1, const vector_t &w1 );
63
65template<typename vector_t, typename matrix_t>
66inline bool MatMultScaleTransposed(vector_t &dest,
67 const matrix_t &A1, const vector_t &w1 );
68
69
71template<typename vector_t, typename matrix_t>
72inline bool MatMultTransposedScaledAdd(vector_t &dest,
73 const number &alpha1, const vector_t &v1,
74 const number &beta1, const matrix_t &A1, const vector_t &w1 )
75{
76 return mat_operations_class<vector_t, matrix_t, matrix_algebra_type_traits<matrix_t>::type>
77 ::MatMultTransposedAdd(dest, alpha1, v1, beta1, A1, w1);
78}
79
80// row functions
81
83template<typename vector_t, typename matrix_t>
84inline bool MatMultAddRow(typename vector_t::value_type &dest,
85 const number &alpha1, const vector_t &v1,
86 const number &beta1, const matrix_t &A1, const vector_t &w1 )
87{
88 return mat_operations_class<vector_t, matrix_t, matrix_algebra_type_traits<matrix_t>::type>
89 ::MatMultAdd(dest, alpha1, v1, beta1, A1, w1);
90}
91
92#endif /* BLAS_MAT_INTERFACE_H_ */
bool MatMultScaleTransposed(vector_t &dest, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest = beta1 * A1^T *w1;
bool MatMultTransposedScaledAdd(vector_t &dest, const number &alpha1, const vector_t &v1, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest = alpha1*v1 + beta1 * A1^T *w1;
Definition blas_mat_interface.h:72
bool MatMultAdd(vector_t &dest, const number &alpha1, const vector_t &v1, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest = alpha1*v1 + beta1 * A1 *w1;
bool MatMultAddRow(typename vector_t::value_type &dest, const number &alpha1, const vector_t &v1, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest += beta1 * A1[row] *w1;
Definition blas_mat_interface.h:84
bool MatMultScale(vector_t &dest, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest = beta1 * A1 * w1;
bool MatMultAppend(vector_t &dest, const matrix_t &A1, const vector_t &w1)
calculates dest += A1*w1
bool MatMult(vector_t &dest, const matrix_t &A1, const vector_t &w1)
calculates dest = A1 * w1;
double number
Definition types.h:124