prodD() [5/6]

template<Rank summed, Rank frank, Rank srank, typename Scalar , std::enable_if_t<(int(frank)+int(srank) - 2 *int(summed) > 0), int > = 0>

GenericDenseTensor< frank+srank - 2 *summed, Scalar > syten::CudaDenseTensorImpl::prodD ( DenseTensor< frank, Scalar > const &  a, CudaDenseTensor< srank, Scalar > const &  b, std::array< int, frank > const &  c_a, std::array< int, srank > const &  c_b, bool  conjugate = false, EliminateZeros const  ezeros = EliminateZeros::No, DenseProduct::TemporaryTransposeStorage< Scalar, frank, srank > *  = nullptr  )

inline

Product/Contraction of a standard dense tensor and a CUDA dense tensor.

If either tensor is larger than SYTEN_CUDA_THRESHOLD, the calculation is done on the GPU, otherwise, the calculation is done on the host.

References syten::EnvVars::cuda_size_to_gpu, and syten::DenseTensor< rank, Scalar >::size().

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