diff options
| -rw-r--r-- | Eigen/src/Core/products/GeneralMatrixMatrix.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Eigen/src/Core/products/GeneralMatrixMatrix.h b/Eigen/src/Core/products/GeneralMatrixMatrix.h index c76f48154..7fd707ed7 100644 --- a/Eigen/src/Core/products/GeneralMatrixMatrix.h +++ b/Eigen/src/Core/products/GeneralMatrixMatrix.h @@ -457,6 +457,8 @@ struct generic_product_impl<Lhs,Rhs,DenseShape,DenseShape,GemmProduct> static void scaleAndAddTo(Dest& dst, const Lhs& a_lhs, const Rhs& a_rhs, const Scalar& alpha) { eigen_assert(dst.rows()==a_lhs.rows() && dst.cols()==a_rhs.cols()); + if(a_lhs.cols()==0 || a_lhs.rows()==0 || a_rhs.cols()==0) + return; typename internal::add_const_on_value_type<ActualLhsType>::type lhs = LhsBlasTraits::extract(a_lhs); typename internal::add_const_on_value_type<ActualRhsType>::type rhs = RhsBlasTraits::extract(a_rhs); |