diff options
Diffstat (limited to 'Eigen/src/LU/Inverse.h')
| -rw-r--r-- | Eigen/src/LU/Inverse.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Eigen/src/LU/Inverse.h b/Eigen/src/LU/Inverse.h index 39b8cdbc8..3cf887193 100644 --- a/Eigen/src/LU/Inverse.h +++ b/Eigen/src/LU/Inverse.h @@ -55,6 +55,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 1> bool& invertible ) { + using std::abs; determinant = matrix.coeff(0,0); invertible = abs(determinant) > absDeterminantThreshold; if(invertible) result.coeffRef(0,0) = typename ResultType::Scalar(1) / determinant; @@ -98,6 +99,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 2> bool& invertible ) { + using std::abs; typedef typename ResultType::Scalar Scalar; determinant = matrix.determinant(); invertible = abs(determinant) > absDeterminantThreshold; @@ -167,6 +169,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 3> bool& invertible ) { + using std::abs; typedef typename ResultType::Scalar Scalar; Matrix<Scalar,3,1> cofactors_col0; cofactors_col0.coeffRef(0) = cofactor_3x3<MatrixType,0,0>(matrix); @@ -251,6 +254,7 @@ struct compute_inverse_and_det_with_check<MatrixType, ResultType, 4> bool& invertible ) { + using std::abs; determinant = matrix.determinant(); invertible = abs(determinant) > absDeterminantThreshold; if(invertible) compute_inverse<MatrixType, ResultType>::run(matrix, inverse); @@ -327,7 +331,7 @@ inline const internal::inverse_impl<Derived> MatrixBase<Derived>::inverse() cons * This is only for fixed-size square matrices of size up to 4x4. * * \param inverse Reference to the matrix in which to store the inverse. - * \param determinant Reference to the variable in which to store the inverse. + * \param determinant Reference to the variable in which to store the determinant. * \param invertible Reference to the bool variable in which to store whether the matrix is invertible. * \param absDeterminantThreshold Optional parameter controlling the invertibility check. * The matrix will be declared invertible if the absolute value of its |