Implementation for identity dense tensors. More...
Classes | |
struct | IdentityDenseTensor |
Implementation for syten::IdentityDenseTensor . More... | |
Functions | |
template<Rank rank, typename Scalar > | |
bool | isZero (IdentityDenseTensor< rank, Scalar > const &) |
Identity tensors are never zero, hence this function always returns false. More... | |
template<Rank srank, typename Scalar > | |
GenericDenseTensor< srank-1, Scalar > | merge (IdentityDenseTensor< 3, Scalar > const &a, CudaDenseTensor< srank, Scalar > const &b, std::array< int, 3 > const &c_a, std::array< int, srank > const &c_b) |
Product which merges two tensor legs together. More... | |
template<Rank srank, typename Scalar > | |
GenericDenseTensor< srank-1, Scalar > | merge (IdentityDenseTensor< 3, Scalar > const &a, DenseTensor< srank, Scalar > const &b, std::array< int, 3 > const &c_a, std::array< int, srank > const &c_b) |
Product which merges two tensor legs together. More... | |
template<Rank rank, typename Scalar > | |
IdentityDenseTensor< rank, Scalar > | multi_transpose (IdentityDenseTensor< rank, Scalar > const &in, ConstSpan< Index >, Conj=Conj::n()) |
template<Rank rank, typename Scalar > | |
ScalarBase< Scalar >::type | normSqd (IdentityDenseTensor< rank, Scalar > const &a) |
Returns the squared norm of the input tensor a . More... | |
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 > | prodD (CudaDenseTensor< frank, Scalar > const &a, IdentityDenseTensor< 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) |
Overload for product of an identity dense tensor and a cuda dense tensor. More... | |
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 > | prodD (DenseTensor< frank, Scalar > const &a, IdentityDenseTensor< srank, Scalar > const &b, std::array< int, frank > const &c_a, std::array< int, srank > const &c_b, bool=false, EliminateZeros const ezeros=EliminateZeros::No, DenseProduct::TemporaryTransposeStorage< Scalar, frank, srank > *=nullptr) |
Product of a standard dense tensor and an identity dense tensor. More... | |
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 > | prodD (IdentityDenseTensor< frank, Scalar > const &, IdentityDenseTensor< srank, Scalar > const &, std::array< int, frank > const &, std::array< int, srank > const &, bool=false, EliminateZeros const =EliminateZeros::No, DenseProduct::TemporaryTransposeStorage< Scalar, frank, srank > *=nullptr) |
Dummy implementation for the product of two identity tensors. More... | |
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 > | prodD (IdentityDenseTensor< 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) |
Overload for product of an identity dense tensor and a cuda dense tensor. More... | |
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 > | prodD (IdentityDenseTensor< 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=false, EliminateZeros const ezeros=EliminateZeros::No, DenseProduct::TemporaryTransposeStorage< Scalar, frank, srank > *=nullptr) |
Product of an identity dense tensor and a standard dense tensor. More... | |
template<Rank srank, typename Scalar > | |
GenericDenseTensor< srank+1, Scalar > | split (IdentityDenseTensor< 3, Scalar > const &a, CudaDenseTensor< srank, Scalar > const &b, std::array< int, 3 > const &c_a, std::array< int, srank > const &c_b) |
Split of two legs of a cuda dense tensor using a rank-3 identity dense tensor. More... | |
template<Rank srank, typename Scalar > | |
GenericDenseTensor< srank+1, Scalar > | split (IdentityDenseTensor< 3, Scalar > const &a, DenseTensor< srank, Scalar > const &b, std::array< int, 3 > const &c_a, std::array< int, srank > const &c_b) |
Split of two legs of a standard dense tensor using a rank-3 identity dense tensor. More... | |
Implementation for identity dense tensors.