ug4
matrix_use_member_functions.h
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1 /*
2  * Copyright (c) 2011-2012: 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
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13  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
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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"
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32 
33 
34 // MATRIX_USE_MEMBER_FUNCTIONS
36 
37 namespace ug
38 {
39 
40 template<typename vector_t, typename matrix_t>
42 {
44  static inline bool MatMult(vector_t &dest,
45  const number &beta1, const matrix_t &A1, const vector_t &w1)
46  {
47  return dest.mat_mult(beta1, A1, w1);
48  }
49 
51  static inline bool MatMultAdd(vector_t &dest,
52  const number &alpha1, const vector_t &v1,
53  const number &beta1, const matrix_t &A1, const vector_t &w1)
54  {
55  return dest.mat_mult_add(alpha1, w1, beta1, A1, w1);
56  }
57 
59  static inline bool MatMultAdd(vector_t &dest,
60  const number &alpha1, const vector_t &v1,
61  const number &alpha2, const vector_t &v2,
62  const number &beta1, const matrix_t &A1, const vector_t &w1)
63  {
64  return dest.mat_mult_add(alpha1, w1, alpha2, v2, beta1, A1, w1);
65  }
66 
68  static inline bool MatMultAdd(vector_t &dest,
69  const number &beta1, const matrix_t &A1, const vector_t &w1,
70  const number &beta2, const matrix_t &A2, const vector_t &w2)
71  {
72  return dest.mat_mult_add(beta1, A1, w1, A2, w2);
73  }
74 
76  static inline bool MatMultAdd(vector_t &dest,
77  const number &alpha1, const vector_t &v1,
78  const number &beta1, const matrix_t &A1, const vector_t &w1,
79  const number &beta2, const matrix_t &A2, const vector_t &w2)
80  {
81  return dest.mat_mult_add(alpha1, v1, beta1, A1, w1, beta2, A2, w2);
82  }
83 
85  static inline bool MatMultTransposed(vector_t &dest,
86  const number &beta1, const matrix_t &A1, const vector_t &w1)
87  {
88  return dest.mat_mult_transposed(beta1, A1, w1);
89  }
90 
92  static inline bool MatMultTransposedAdd(vector_t &dest,
93  const number &alpha1, const vector_t &v1,
94  const number &beta1, const matrix_t &A1, const vector_t &w1)
95  {
96  return dest.mat_mult_tranposed_add(alpha1, w1, beta1, A1, w1);
97  }
98 };
99 
100 }
double number
Definition: types.h:124
the ug namespace
@ MATRIX_USE_MEMBER_FUNCTIONS
Definition: matrix_algebra_types.h:71
static bool MatMult(vector_t &dest, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest = beta1 * A1;
Definition: matrix_use_member_functions.h:44
static bool MatMultAdd(vector_t &dest, const number &beta1, const matrix_t &A1, const vector_t &w1, const number &beta2, const matrix_t &A2, const vector_t &w2)
calculates dest = beta1 * A1 *w1 + beta2 * A2*w2;
Definition: matrix_use_member_functions.h:68
static bool MatMultTransposedAdd(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: matrix_use_member_functions.h:92
static bool MatMultAdd(vector_t &dest, const number &alpha1, const vector_t &v1, const number &beta1, const matrix_t &A1, const vector_t &w1, const number &beta2, const matrix_t &A2, const vector_t &w2)
calculates dest = alpha1*v1 + beta1 * A1 *w1 + beta2 * A2*w2;
Definition: matrix_use_member_functions.h:76
static bool MatMultAdd(vector_t &dest, const number &alpha1, const vector_t &v1, const number &alpha2, const vector_t &v2, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest = alpha1*v1 + beta1 * A1 *w1 + alpha2*v2;
Definition: matrix_use_member_functions.h:59
static bool MatMultTransposed(vector_t &dest, const number &beta1, const matrix_t &A1, const vector_t &w1)
calculates dest = beta1 * A1^T *w1;
Definition: matrix_use_member_functions.h:85
static 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;
Definition: matrix_use_member_functions.h:51
Definition: matrix_algebra_types.h:75