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Enable lazy-coeff-based-product for vector*(1x1) products

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Gael Guennebaud 2016-04-16 15:17:39 +02:00
parent c8e8f93d6c
commit e4fe611e2c
1 changed files with 2 additions and 0 deletions
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Eigen/src/Core/GeneralProduct.h
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@ -81,6 +81,8 @@ public:
* This is a compile time mapping from {1,Small,Large}^3 -> {product types} */
// FIXME I'm not sure the current mapping is the ideal one.
template<int M, int N> struct product_type_selector<M,N,1> { enum { ret = OuterProduct }; };
template<int M> struct product_type_selector<M, 1, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<int N> struct product_type_selector<1, N, 1> { enum { ret = LazyCoeffBasedProductMode }; };
template<int Depth> struct product_type_selector<1, 1, Depth> { enum { ret = InnerProduct }; };
template<> struct product_type_selector<1, 1, 1> { enum { ret = InnerProduct }; };
template<> struct product_type_selector<Small,1, Small> { enum { ret = CoeffBasedProductMode }; };