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Make SVD unit test even more tough

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This commit is contained in:
Gael Guennebaud 2014-10-15 23:37:47 +02:00
parent fd1aaf4772
commit c566cfe2ba
1 changed files with 5 additions and 3 deletions
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6
test/svd_common.h
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@ -269,12 +269,14 @@ void svd_fill_random(MatrixType &m)
m = U * d.asDiagonal() * VT;
// cancel some coeffs
// (partly) cancel some coeffs
if(!(dup && unit_uv))
{
Matrix<Scalar,Dynamic,1> samples(7);
samples << 0, 5.60844e-313, -5.60844e-313, 4.94e-324, -4.94e-324, -1./NumTraits<RealScalar>::highest(), 1./NumTraits<RealScalar>::highest();
Index n = internal::random<Index>(0,m.size()-1);
for(Index i=0; i<n; ++i)
m(internal::random<Index>(0,m.rows()-1), internal::random<Index>(0,m.cols()-1)) = Scalar(0);
m(internal::random<Index>(0,m.rows()-1), internal::random<Index>(0,m.cols()-1)) = samples(internal::random<Index>(0,6));
}
}