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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/***********************************************/
/**
* @file matrixGeneratorInverse.h
*
* @brief Inverse of a matrix.
*
* @author Torsten Mayer-Guerr
* @date 2017-09-01
*
*/
/***********************************************/
#ifndef __GROOPS_MATRIXGENERATORINVERSE__
#define __GROOPS_MATRIXGENERATORINVERSE__
// Latex documentation
#ifdef DOCSTRING_MatrixGenerator
static const char *docstringMatrixGeneratorInverse = R"(
\subsection{Inverse}
Inverse of a matrix $\M A^{-1}$.
)";
#endif
/***********************************************/
#include "base/import.h"
#include "matrixGenerator.h"
/***** CLASS ***********************************/
/** @brief Inverse of a matrix.
* @ingroup matrixGeneratorGroup
* @see MatrixGenerator */
class MatrixGeneratorInverse : public MatrixGeneratorBase
{
Bool pseudo;
MatrixGeneratorPtr matrix;
public:
MatrixGeneratorInverse(Config &config);
void compute(Matrix &A, UInt rowsBefore, UInt columnsBefore, UInt &startRow, UInt &startCol);
};
/***********************************************/
/***** Inlines *********************************/
/***********************************************/
inline MatrixGeneratorInverse::MatrixGeneratorInverse(Config &config)
{
try
{
readConfig(config, "matrix", matrix, Config::MUSTSET, "", "");
readConfig(config, "pseudoInverse", pseudo, Config::DEFAULT, "0", "compute pseudo inverse instead of regular one");
if(isCreateSchema(config)) return;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
inline void MatrixGeneratorInverse::compute(Matrix &A, UInt /*rowsBefore*/, UInt /*columnsBefore*/, UInt &/*startRow*/, UInt &/*startCol*/)
{
try
{
A = matrix->compute();
if(pseudo)
A = pseudoInverse(A);
else
inverse(A);
if(A.getType() == Matrix::SYMMETRIC)
fillSymmetric(A);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
#endif
|
