diff options
Diffstat (limited to 'Eigen/src/Core/Product.h')
| -rw-r--r-- | Eigen/src/Core/Product.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Eigen/src/Core/Product.h b/Eigen/src/Core/Product.h index 3b8fd7d9a..b37fd2ff7 100644 --- a/Eigen/src/Core/Product.h +++ b/Eigen/src/Core/Product.h @@ -79,6 +79,12 @@ class Product : public ProductImpl<_Lhs,_Rhs,Option, const LhsNestedCleaned& lhs() const { return m_lhs; } const RhsNestedCleaned& rhs() const { return m_rhs; } + + /** Convertion to scalar for inner-products */ + operator const Scalar() const { + EIGEN_STATIC_ASSERT(SizeAtCompileTime==1, IMPLICIT_CONVERSION_TO_SCALAR_IS_FOR_INNER_PRODUCT_ONLY); + return typename internal::evaluator<Product>::type(*this).coeff(0,0); + } protected: |