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* fix bug in col-pivoting qr, forgot to swap the colNorms when swapping cols

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* add Gael a copyright line
This commit is contained in:
Benoit Jacob 2009-09-16 14:19:59 -04:00
parent 46be9c9ac1
commit a4fd0aa25b
3 changed files with 3 additions and 3 deletions
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1
Eigen/src/LU/PartialLU.h
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@ -2,6 +2,7 @@
// for linear algebra.
//
// Copyright (C) 2006-2009 Benoit Jacob <jacob.benoit.1@gmail.com>
// Copyright (C) 2009 Gael Guennebaud <g.gael@free.fr>
//
// Eigen is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public

1
Eigen/src/QR/ColPivotingHouseholderQR.h
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@ -306,6 +306,7 @@ ColPivotingHouseholderQR<MatrixType>& ColPivotingHouseholderQR<MatrixType>::comp
cols_transpositions.coeffRef(k) = biggest_col_in_corner;
if(k != biggest_col_in_corner) {
m_qr.col(k).swap(m_qr.col(biggest_col_in_corner));
std::swap(colSqNorms.coeffRef(k), colSqNorms.coeffRef(biggest_col_in_corner));
++number_of_transpositions;
}

4
test/qr_colpivoting.cpp
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@ -116,9 +116,7 @@ template<typename MatrixType> void qr_verify_assert()
void test_qr_colpivoting()
{
for(int i = 0; i < 1; i++) {
// FIXME : very weird bug here
// CALL_SUBTEST( qr(Matrix2f()) );
for(int i = 0; i < 1; i++) {
CALL_SUBTEST( qr<MatrixXf>() );
CALL_SUBTEST( qr<MatrixXd>() );
CALL_SUBTEST( qr<MatrixXcd>() );