diff options
Diffstat (limited to 'Eigen/src/Core/ProductEvaluators.h')
| -rw-r--r-- | Eigen/src/Core/ProductEvaluators.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Eigen/src/Core/ProductEvaluators.h b/Eigen/src/Core/ProductEvaluators.h index dfd76990d..c9e2e1a07 100644 --- a/Eigen/src/Core/ProductEvaluators.h +++ b/Eigen/src/Core/ProductEvaluators.h @@ -140,6 +140,10 @@ struct Assignment<DstXprType, Product<Lhs,Rhs,Options>, internal::assign_op<Scal static EIGEN_STRONG_INLINE void run(DstXprType &dst, const SrcXprType &src, const internal::assign_op<Scalar,Scalar> &) { + Index dstRows = src.rows(); + Index dstCols = src.cols(); + if((dst.rows()!=dstRows) || (dst.cols()!=dstCols)) + dst.resize(dstRows, dstCols); // FIXME shall we handle nested_eval here? generic_product_impl<Lhs, Rhs>::evalTo(dst, src.lhs(), src.rhs()); } @@ -154,6 +158,10 @@ struct Assignment<DstXprType, Product<Lhs,Rhs,Options>, internal::add_assign_op< static EIGEN_STRONG_INLINE void run(DstXprType &dst, const SrcXprType &src, const internal::add_assign_op<Scalar,Scalar> &) { + Index dstRows = src.rows(); + Index dstCols = src.cols(); + if((dst.rows()!=dstRows) || (dst.cols()!=dstCols)) + dst.resize(dstRows, dstCols); // FIXME shall we handle nested_eval here? generic_product_impl<Lhs, Rhs>::addTo(dst, src.lhs(), src.rhs()); } @@ -168,6 +176,10 @@ struct Assignment<DstXprType, Product<Lhs,Rhs,Options>, internal::sub_assign_op< static EIGEN_STRONG_INLINE void run(DstXprType &dst, const SrcXprType &src, const internal::sub_assign_op<Scalar,Scalar> &) { + Index dstRows = src.rows(); + Index dstCols = src.cols(); + if((dst.rows()!=dstRows) || (dst.cols()!=dstCols)) + dst.resize(dstRows, dstCols); // FIXME shall we handle nested_eval here? generic_product_impl<Lhs, Rhs>::subTo(dst, src.lhs(), src.rhs()); } |