dense_prod_special.h File Reference

Special cases of dense tensor-tensor contractions, e.g. More...

#include "inc/util/limvec.h"
#include "inc/dense/dense_prod_base.h"
#include "inc/dense/dense_transpose.h"

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Namespaces
namespace	syten
	Syten namespace.
namespace	syten::DenseProduct
	Contains helper functions related to the product of two dense tensors, see syten::prodD() for the main entry point.

Functions
template<Rank summed, Rank frank, Rank srank, Rank rrank, typename Scalar >
void	syten::DenseProduct::gemm_transpose (DenseTensor< frank, Scalar > const &a, DenseTensor< srank, Scalar > const &b, DenseTensor< rrank, Scalar > &r, std::array< int, frank > const &c_a, std::array< int, srank > const &c_b)
	Product of two trivial-order tensors with subsequent transpose to obtain the desired order in the output. More...
template<Rank summed, Rank frank, Rank srank, typename Scalar >
DenseTensor< frank+srank - 2 *summed, Scalar >	syten::DenseProduct::one_times_many (DenseTensor< frank, Scalar > const &a, DenseTensor< srank, Scalar > const &b, std::array< int, frank > const &c_a, std::array< int, srank > const &c_b, bool conjugate_a, bool conjugate_b)
	Product of a singleton tensor and a larger tensor. More...
template<Rank summed, Rank frank, Rank srank, typename Scalar >
DenseTensor< frank+srank - 2 *summed, Scalar >	syten::DenseProduct::one_times_one (DenseTensor< frank, Scalar > const &a, DenseTensor< srank, Scalar > const &b, std::array< int, frank > const &, std::array< int, srank > const &, bool conjugate)
	Product of two singleton tensors. More...

Detailed Description

Special cases of dense tensor-tensor contractions, e.g.

1·1 tensors, split and merge tensors and 1·Y contractions.