diff options
Diffstat (limited to 'extern/Eigen3/Eigen/src/LU/FullPivLU.h')
| -rw-r--r-- | extern/Eigen3/Eigen/src/LU/FullPivLU.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/extern/Eigen3/Eigen/src/LU/FullPivLU.h b/extern/Eigen3/Eigen/src/LU/FullPivLU.h index e23f96cdcf1..dfe25f424d7 100644 --- a/extern/Eigen3/Eigen/src/LU/FullPivLU.h +++ b/extern/Eigen3/Eigen/src/LU/FullPivLU.h @@ -293,11 +293,12 @@ template<typename _MatrixType> class FullPivLU */ inline Index rank() const { + using std::abs; eigen_assert(m_isInitialized && "LU is not initialized."); - RealScalar premultiplied_threshold = internal::abs(m_maxpivot) * threshold(); + RealScalar premultiplied_threshold = abs(m_maxpivot) * threshold(); Index result = 0; for(Index i = 0; i < m_nonzero_pivots; ++i) - result += (internal::abs(m_lu.coeff(i,i)) > premultiplied_threshold); + result += (abs(m_lu.coeff(i,i)) > premultiplied_threshold); return result; } @@ -416,6 +417,9 @@ FullPivLU<MatrixType>::FullPivLU(const MatrixType& matrix) template<typename MatrixType> FullPivLU<MatrixType>& FullPivLU<MatrixType>::compute(const MatrixType& matrix) { + // the permutations are stored as int indices, so just to be sure: + eigen_assert(matrix.rows()<=NumTraits<int>::highest() && matrix.cols()<=NumTraits<int>::highest()); + m_isInitialized = true; m_lu = matrix; @@ -547,6 +551,7 @@ struct kernel_retval<FullPivLU<_MatrixType> > template<typename Dest> void evalTo(Dest& dst) const { + using std::abs; const Index cols = dec().matrixLU().cols(), dimker = cols - rank(); if(dimker == 0) { @@ -632,6 +637,7 @@ struct image_retval<FullPivLU<_MatrixType> > template<typename Dest> void evalTo(Dest& dst) const { + using std::abs; if(rank() == 0) { // The Image is just {0}, so it doesn't have a basis properly speaking, but let's |