diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2014-04-18 17:06:03 +0200 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2014-04-18 17:06:03 +0200 |
| commit | 3454b4e5f1eb1a68e15415eeca827a30cb3bb58e (patch) | |
| tree | 33292e7f12be9aa18580e30026989ae690e2cf7c /Eigen | |
| parent | 94684721bd2d10c0b67ef518ed599981603440bc (diff) | |
Fix calls to lazy products (lazy product does not like matrices with 0 length)
Diffstat (limited to 'Eigen')
| -rw-r--r-- | Eigen/src/Core/products/GeneralMatrixMatrix.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Eigen/src/Core/products/GeneralMatrixMatrix.h b/Eigen/src/Core/products/GeneralMatrixMatrix.h index b45797f09..6ad07eccb 100644 --- a/Eigen/src/Core/products/GeneralMatrixMatrix.h +++ b/Eigen/src/Core/products/GeneralMatrixMatrix.h @@ -390,7 +390,7 @@ class GeneralProduct<Lhs, Rhs, GemmProduct> template<typename Dest> inline void evalTo(Dest& dst) const { - if((m_rhs.rows()+dst.rows()+dst.cols())<20) + if((m_rhs.rows()+dst.rows()+dst.cols())<20 && m_rhs.rows()>0) dst.noalias() = m_lhs .lazyProduct( m_rhs ); else { @@ -402,7 +402,7 @@ class GeneralProduct<Lhs, Rhs, GemmProduct> template<typename Dest> inline void addTo(Dest& dst) const { - if((m_rhs.rows()+dst.rows()+dst.cols())<20) + if((m_rhs.rows()+dst.rows()+dst.cols())<20 && m_rhs.rows()>0) dst.noalias() += m_lhs .lazyProduct( m_rhs ); else scaleAndAddTo(dst,Scalar(1)); @@ -411,7 +411,7 @@ class GeneralProduct<Lhs, Rhs, GemmProduct> template<typename Dest> inline void subTo(Dest& dst) const { - if((m_rhs.rows()+dst.rows()+dst.cols())<20) + if((m_rhs.rows()+dst.rows()+dst.cols())<20 && m_rhs.rows()>0) dst.noalias() -= m_lhs .lazyProduct( m_rhs ); else scaleAndAddTo(dst,Scalar(-1)); |