diff options
| -rw-r--r-- | test/prec_inverse_4x4.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/test/prec_inverse_4x4.cpp b/test/prec_inverse_4x4.cpp index 072466467..86f057118 100644 --- a/test/prec_inverse_4x4.cpp +++ b/test/prec_inverse_4x4.cpp @@ -30,18 +30,17 @@ template<typename MatrixType> void inverse_general_4x4(int repeat) { using std::abs; typedef typename MatrixType::Scalar Scalar; - typedef typename MatrixType::RealScalar RealScalar; double error_sum = 0., error_max = 0.; for(int i = 0; i < repeat; ++i) { MatrixType m; - RealScalar absdet; + bool is_invertible; do { m = MatrixType::Random(); - absdet = abs(m.determinant()); - } while(absdet < NumTraits<Scalar>::epsilon()); + is_invertible = Eigen::FullPivLU<MatrixType>(m).isInvertible(); + } while(!is_invertible); MatrixType inv = m.inverse(); - double error = double( (m*inv-MatrixType::Identity()).norm() * absdet / NumTraits<Scalar>::epsilon() ); + double error = double( (m*inv-MatrixType::Identity()).norm()); error_sum += error; error_max = (std::max)(error_max, error); } |