Line data Source code
1 : /*
2 : * Copyright (c) 2013-2015: 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 SMALL_ALGEBRA_PRINT_H_
34 : #define SMALL_ALGEBRA_PRINT_H_
35 :
36 : #include "densematrix.h"
37 : #include <string>
38 : #include <sstream>
39 : #include "common/log.h"
40 :
41 : namespace ug{
42 : template<typename TStorage>
43 : void MaplePrint(const DenseMatrix<TStorage> &A, const char *name)
44 : {
45 : UG_LOG(name << " = " << MapleString(A));
46 : }
47 :
48 : template<typename TStorage>
49 0 : std::string NonzeroString(const DenseMatrix<TStorage> &A, const char *brackets, const char *seperator, int base, const char *name)
50 : {
51 0 : std::stringstream ss;
52 : ss << std::setprecision(9);
53 0 : for(size_t r=0; r<A.num_rows(); ++r)
54 : {
55 0 : for(size_t c=0; c<A.num_cols(); ++c)
56 0 : if(A(r, c) != 0.0)
57 0 : ss << name << brackets[0] << r+base << ", " << c+base << brackets[1] << " = " << A(r, c) << seperator;
58 0 : ss << "\n";
59 : }
60 0 : return ss.str();
61 0 : }
62 :
63 : template<typename TStorage>
64 : std::string
65 : MatlabString(const DenseMatrix<TStorage> &A, const char *name)
66 : {
67 : std::stringstream ss;
68 : ss << name << " = zeros(" << A.num_rows() << ", " << A.num_cols() << ")\n";
69 : ss << NonzeroString(A, "()", "\n", 1, name);
70 : return ss.str();
71 : }
72 :
73 :
74 : template<typename TStorage>
75 : std::string
76 : JuliaString(const DenseMatrix<TStorage> &A, const char *name)
77 : {
78 : std::stringstream ss;
79 : ss << name << " = zeros(" << A.num_rows() << ", " << A.num_cols() << ")\n";
80 : ss << NonzeroString(A, "[]", "\n", 1, name);
81 : return ss.str();
82 : }
83 :
84 : template<typename TStorage>
85 : std::string
86 0 : CPPString(const DenseMatrix<TStorage> &A, const char *name)
87 : {
88 0 : std::stringstream ss;
89 0 : ss << name << " = Matrix(" << A.num_rows() << ", " << A.num_cols() << ")\n";
90 0 : ss << NonzeroString(A, "()", ";\n", 0, name);
91 0 : return ss.str();
92 0 : }
93 :
94 : }
95 : #endif /* SMALL_ALGEBRA_PRINT_H_ */
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