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* bug fixes in: Dot, generalized eigen problem, singular matrix detetection in Cholesky

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* fix all numerical instabilies in the unit tests, now all tests can be run 2000 times
  with almost zero failures.
This commit is contained in:
Gael Guennebaud
2008-08-23 15:14:20 +00:00
parent 312013a089
commit 2120fed849
20 changed files with 632 additions and 103 deletions
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10
test/inverse.cpp
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@@ -35,13 +35,21 @@ template<typename MatrixType> void inverse(const MatrixType& m)
int cols = m.cols();
typedef typename MatrixType::Scalar Scalar;
typedef typename NumTraits<Scalar>::Real RealScalar;
typedef Matrix<Scalar, MatrixType::ColsAtCompileTime, 1> VectorType;
MatrixType m1 = test_random_matrix<MatrixType>(rows, cols),
m2 = test_random_matrix<MatrixType>(rows, cols),
m2(rows, cols),
mzero = MatrixType::Zero(rows, cols),
identity = MatrixType::Identity(rows, rows);
if (ei_is_same_type<RealScalar,float>::ret)
{
// let's build a more stable to inverse matrix
MatrixType a = test_random_matrix<MatrixType>(rows,cols);
m1 += m1 * m1.adjoint() + a * a.adjoint();
}
m2 = m1.inverse();
VERIFY_IS_APPROX(m1, m2.inverse() );