diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2013-12-03 17:17:53 +0100 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2013-12-03 17:17:53 +0100 |
| commit | 6c5e915e9a6c79550e7e2db2b53648f163a1411d (patch) | |
| tree | aab5c0a07616fcd028d2839f402edcadc0e53d81 /Eigen/src/Core/Product.h | |
| parent | f0b82c3ab972a1eafd6aa4f08f4eaffa0d6f1e55 (diff) | |
Enable use of evaluators for noalias and lazyProduct, add conversion to scalar for inner products
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: |