diff options
Diffstat (limited to 'Eigen/src/Core/Product.h')
| -rw-r--r-- | Eigen/src/Core/Product.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Eigen/src/Core/Product.h b/Eigen/src/Core/Product.h index 44fde3dcf..8bd6af1b8 100644 --- a/Eigen/src/Core/Product.h +++ b/Eigen/src/Core/Product.h @@ -129,6 +129,19 @@ template<typename Scalar, typename NestedXpr> struct ei_product_factor_traits<Cw { return - Base::extractScalarFactor(x._expression()); } }; +// pop opposite +template<typename NestedXpr> struct ei_product_factor_traits<NestByValue<NestedXpr> > + : ei_product_factor_traits<NestedXpr> +{ + typedef typename NestedXpr::Scalar Scalar; + typedef ei_product_factor_traits<NestedXpr> Base; + typedef NestByValue<NestedXpr> XprType; + typedef typename Base::ActualXprType ActualXprType; + static inline const ActualXprType& extract(const XprType& x) { return Base::extract(static_cast<const NestedXpr&>(x)); } + static inline Scalar extractScalarFactor(const XprType& x) + { return Base::extractScalarFactor(static_cast<const NestedXpr&>(x)); } +}; + /* Helper class to determine the type of the product, can be either: * - NormalProduct * - CacheFriendlyProduct |