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Fix test for nearly null input

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This commit is contained in:
Gael Guennebaud 2016-07-12 17:19:26 +02:00
parent 9ab35d8ba4
commit 263993a7b6
1 changed files with 10 additions and 5 deletions
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9
test/svd_common.h
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@ -42,9 +42,14 @@ void svd_check_full(const MatrixType& m, const SvdType& svd)
MatrixUType u = svd.matrixU();
MatrixVType v = svd.matrixV();
RealScalar scaling = m.cwiseAbs().maxCoeff();
if(scaling<=(std::numeric_limits<RealScalar>::min)())
scaling = RealScalar(1);
if(scaling<(std::numeric_limits<RealScalar>::min)())
{
VERIFY(sigma.cwiseAbs().maxCoeff() <= (std::numeric_limits<RealScalar>::min)());
}
else
{
VERIFY_IS_APPROX(m/scaling, u * (sigma/scaling) * v.adjoint());
}
VERIFY_IS_UNITARY(u);
VERIFY_IS_UNITARY(v);
}