| OpenMS 2.5.0

MatrixUtils.h
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2 // OpenMS -- Open-Source Mass Spectrometry
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4 // Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
5 // ETH Zurich, and Freie Universitaet Berlin 2002-2020.
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30 // --------------------------------------------------------------------------
31 // $Maintainer: Timo Sachsenberg $
32 // $Authors: Christian Ehrlich $
33 // --------------------------------------------------------------------------
34
35 #pragma once
36
37 #include <OpenMS/DATASTRUCTURES/Matrix.h>
38
39 #include <Eigen/Core>
40
41 #include <boost/shared_ptr.hpp>
42
43 namespace OpenMS
44 {
49 typedef boost::shared_ptr< const Eigen::MatrixXd > EigenMatrixXdPtr;
50 typedef boost::shared_ptr< Eigen::MatrixXd > MutableEigenMatrixXdPtr;
51
52 static EigenMatrixXdPtr
53 convertOpenMSMatrix2EigenMatrixXd( const Matrix<double>& m )
54 {
55 MutableEigenMatrixXdPtr em ( new Eigen::MatrixXd(m.rows(), m.cols()) );
56 for (unsigned i=0; i<m.rows(); ++i)
57 {
58 for (unsigned j=0; j<m.cols(); ++j)
59 {
60 (*em)(i,j) = m(i,j);
61 }
62 }
63 return em;
64 }
65
66 static bool
67 matrixIsIdentityMatrix(const Matrix<double>& channel_frequency)
68 {
69 for (Matrix<double>::SizeType i = 0; i < channel_frequency.rows(); ++i)
70 {
71 for (Matrix<double>::SizeType j = 0; j < channel_frequency.rows(); ++j)
72 {
73 // check if the entries are those of a identity matrix;
74 // i==j -> m(i,j) == 1.0 && i!=j -> m(i,j) == 0.0
75 if ((i == j && channel_frequency(i, j) != 1.0) || channel_frequency(i, j) != 0.0)
76 {
77 return false;
78 }
79 }
80 }
81 return true;
82 }
83 }//namespace
84
OpenMS::matrixIsIdentityMatrix
static bool matrixIsIdentityMatrix(const Matrix< double > &channel_frequency)
Definition: MatrixUtils.h:67
OpenMS::EigenMatrixXdPtr
boost::shared_ptr< const Eigen::MatrixXd > EigenMatrixXdPtr
Definition: MatrixUtils.h:49
OpenMS::Matrix::rows
SizeType rows() const
Number of rows.
Definition: Matrix.h:258
Matrix.h
OpenMS
Main OpenMS namespace.
Definition: FeatureDeconvolution.h:46
OpenMS::Matrix::cols
SizeType cols() const
Number of columns.
Definition: Matrix.h:264
OpenMS::MutableEigenMatrixXdPtr
boost::shared_ptr< Eigen::MatrixXd > MutableEigenMatrixXdPtr
Definition: MatrixUtils.h:50
OpenMS::convertOpenMSMatrix2EigenMatrixXd
static EigenMatrixXdPtr convertOpenMSMatrix2EigenMatrixXd(const Matrix< double > &m)
Definition: MatrixUtils.h:53
OpenMS::Matrix< double >