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* FullPivLU: replace "remaining==0" termination condition (from Golub) by a fuzzy compare

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(fixes lu test failures when testing solve())
* LU test: set appropriate threshold and limit the number of times that a specially tricky test
  is run. (fixes lu test failures when testing rank()).
* Tests: rename createRandomMatrixOfRank to createRandomProjectionOfRank
This commit is contained in:
Benoit Jacob
2010-02-23 09:04:59 -05:00
parent 4a0d41c5fb
commit 7dc75380c1
6 changed files with 37 additions and 12 deletions
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4
test/qr_colpivoting.cpp
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@@ -36,7 +36,7 @@ template<typename MatrixType> void qr()
typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> MatrixQType;
typedef Matrix<Scalar, MatrixType::ColsAtCompileTime, 1> VectorType;
MatrixType m1;
createRandomMatrixOfRank(rank,rows,cols,m1);
createRandomProjectionOfRank(rank,rows,cols,m1);
ColPivHouseholderQR<MatrixType> qr(m1);
VERIFY_IS_APPROX(rank, qr.rank());
VERIFY(cols - qr.rank() == qr.dimensionOfKernel());
@@ -64,7 +64,7 @@ template<typename MatrixType, int Cols2> void qr_fixedsize()
typedef typename MatrixType::Scalar Scalar;
int rank = ei_random<int>(1, std::min(int(Rows), int(Cols))-1);
Matrix<Scalar,Rows,Cols> m1;
createRandomMatrixOfRank(rank,Rows,Cols,m1);
createRandomProjectionOfRank(rank,Rows,Cols,m1);
ColPivHouseholderQR<Matrix<Scalar,Rows,Cols> > qr(m1);
VERIFY_IS_APPROX(rank, qr.rank());
VERIFY(Cols - qr.rank() == qr.dimensionOfKernel());