mdspan.hpp File Reference

#include <cassert>
#include <experimental/mdspan>
#include "tlapack/base/arrayTraits.hpp"
#include "tlapack/plugins/stdvector.hpp"

Include dependency graph for mdspan.hpp:

Go to the source code of this file.

Classes
struct	tlapack::traits::complex_type_traits< std::experimental::mdspan< ET, Exts, LP, AP >, int >
struct	tlapack::traits::layout_trait< std::experimental::mdspan< ET, Exts, LP, AP >, std::enable_if_t<(Exts::rank()==1) &&LP::template mapping< Exts >::is_always_strided(), int > >
struct	tlapack::traits::matrix_type_traits< matrixA_t, matrixB_t, typename std::enable_if< is_mdspan_type< matrixA_t > &&is_mdspan_type< matrixB_t > &&(layout< matrixA_t >==layout< matrixB_t >), int >::type >
struct	tlapack::traits::matrix_type_traits< matrixA_t, matrixB_t, typename std::enable_if<(is_mdspan_type< matrixA_t > &&is_mdspan_type< matrixB_t > &&!(layout< matrixA_t >==layout< matrixB_t >))||((is_mdspan_type< matrixA_t >||is_mdspan_type< matrixB_t >)&&(!is_mdspan_type< matrixA_t >||!is_mdspan_type< matrixB_t >)&&cast_to_mdspan_type< matrixA_t > &&cast_to_mdspan_type< matrixB_t >), int >::type >
struct	tlapack::traits::matrix_type_traits< vecA_t, vecB_t, std::enable_if_t< traits::is_stdvector_type< vecA_t > &&traits::is_stdvector_type< vecB_t >, int > >
struct	tlapack::traits::real_type_traits< std::experimental::mdspan< ET, Exts, LP, AP >, int >
struct	tlapack::traits::vector_type_traits< matrixA_t, matrixB_t, typename std::enable_if< is_mdspan_type< matrixA_t > &&is_mdspan_type< matrixB_t > &&(layout< matrixA_t >==layout< matrixB_t >), int >::type >
struct	tlapack::traits::vector_type_traits< matrixA_t, matrixB_t, typename std::enable_if<(is_mdspan_type< matrixA_t > &&is_mdspan_type< matrixB_t > &&!(layout< matrixA_t >==layout< matrixB_t >))||((is_mdspan_type< matrixA_t >||is_mdspan_type< matrixB_t >)&&(!is_mdspan_type< matrixA_t >||!is_mdspan_type< matrixB_t >)&&cast_to_mdspan_type< matrixA_t > &&cast_to_mdspan_type< matrixB_t >), int >::type >
struct	tlapack::traits::vector_type_traits< vecA_t, vecB_t, std::enable_if_t< traits::is_stdvector_type< vecA_t > &&traits::is_stdvector_type< vecB_t >, int > >

Functions
template<class ET , class Exts , class LP , class AP >
constexpr auto	tlapack::col (const std::experimental::mdspan< ET, Exts, LP, AP > &A, std::size_t colIdx) noexcept
template<class ET , class Exts , class LP , class AP , class SliceSpec , std::enable_if_t< isSlice(SliceSpec), int > = 0>
constexpr auto	tlapack::cols (const std::experimental::mdspan< ET, Exts, LP, AP > &A, SliceSpec &&cols) noexcept
template<class ET , class Exts , class LP , class AP , std::enable_if_t< LP::template mapping< Exts >::is_always_strided(), bool > = true>
constexpr auto	tlapack::diag (const std::experimental::mdspan< ET, Exts, LP, AP > &A, int diagIdx=0)
template<class ET , class Exts , class LP , class AP >
std::true_type	tlapack::traits::internal::is_mdspan_type_f (const std::experimental::mdspan< ET, Exts, LP, AP > *)
std::false_type	tlapack::traits::internal::is_mdspan_type_f (const void *)
template<class ET , class Exts , class LP , class AP , std::enable_if_t< Exts::rank()==2 &&LP::template mapping< Exts >::is_always_strided(), int > = 0>
constexpr auto	tlapack::legacy_matrix (const std::experimental::mdspan< ET, Exts, LP, AP > &A) noexcept
template<class ET , class Exts , class LP , class AP , std::enable_if_t< Exts::rank()==1 &&LP::template mapping< Exts >::is_always_strided(), int > = 0>
constexpr auto	tlapack::legacy_vector (const std::experimental::mdspan< ET, Exts, LP, AP > &A) noexcept
template<class ET , class Exts , class LP , class AP >
constexpr auto	tlapack::ncols (const std::experimental::mdspan< ET, Exts, LP, AP > &x)
template<class ET , class Exts , class LP , class AP >
constexpr auto	tlapack::nrows (const std::experimental::mdspan< ET, Exts, LP, AP > &x)
template<class ET , class Exts , class LP , class AP , std::enable_if_t<(std::is_same_v< LP, std::experimental::layout_right >||std::is_same_v< LP, std::experimental::layout_left >), int > = 0>
auto	tlapack::reshape (std::experimental::mdspan< ET, Exts, LP, AP > &A, std::size_t m, std::size_t n)
template<class ET , class Exts , class LP , class AP , std::enable_if_t<(std::is_same_v< LP, std::experimental::layout_right >||std::is_same_v< LP, std::experimental::layout_left >), int > = 0>
auto	tlapack::reshape (std::experimental::mdspan< ET, Exts, LP, AP > &A, std::size_t n)
template<class ET , class Exts , class AP , std::enable_if_t< Exts::rank()==2, int > = 0>
auto	tlapack::reshape (std::experimental::mdspan< ET, Exts, std::experimental::layout_stride, AP > &A, std::size_t m, std::size_t n)
template<class ET , class Exts , class AP , std::enable_if_t< Exts::rank()==2, int > = 0>
auto	tlapack::reshape (std::experimental::mdspan< ET, Exts, std::experimental::layout_stride, AP > &A, std::size_t n)
template<class ET , class Exts , class LP , class AP >
constexpr auto	tlapack::row (const std::experimental::mdspan< ET, Exts, LP, AP > &A, std::size_t rowIdx) noexcept
template<class ET , class Exts , class LP , class AP , class SliceSpec , std::enable_if_t< isSlice(SliceSpec), int > = 0>
constexpr auto	tlapack::rows (const std::experimental::mdspan< ET, Exts, LP, AP > &A, SliceSpec &&rows) noexcept
template<class ET , class Exts , class LP , class AP >
constexpr auto	tlapack::size (const std::experimental::mdspan< ET, Exts, LP, AP > &x)
template<class ET , class Exts , class LP , class AP , class SliceSpecRow , class SliceSpecCol , std::enable_if_t< isSlice(SliceSpecRow)||isSlice(SliceSpecCol), int > = 0>
constexpr auto	tlapack::slice (const std::experimental::mdspan< ET, Exts, LP, AP > &A, SliceSpecRow &&rows, SliceSpecCol &&cols) noexcept
template<class ET , class Exts , class LP , class AP , class SliceSpec , std::enable_if_t< isSlice(SliceSpec) &&(Exts::rank()==1), int > = 0>
constexpr auto	tlapack::slice (const std::experimental::mdspan< ET, Exts, LP, AP > &v, SliceSpec &&rows) noexcept
template<class ET , class Exts , class AP >
constexpr auto	tlapack::transpose_view (const std::experimental::mdspan< ET, Exts, std::experimental::layout_left, AP > &A) noexcept
template<class ET , class Exts , class AP >
constexpr auto	tlapack::transpose_view (const std::experimental::mdspan< ET, Exts, std::experimental::layout_right, AP > &A) noexcept
template<class ET , class Exts , class AP >
constexpr auto	tlapack::transpose_view (const std::experimental::mdspan< ET, Exts, std::experimental::layout_stride, AP > &A) noexcept

Variables
template<typename T >
constexpr bool	tlapack::traits::cast_to_mdspan_type
template<class T >
constexpr bool	tlapack::traits::is_mdspan_type
	True if T is a mdspan array.

Detailed Description

Author

Weslley S Pereira, University of Colorado Denver, USA

Variable Documentation

cast_to_mdspan_type

template<typename T >

constexpr bool tlapack::traits::cast_to_mdspan_type

constexpr

Initial value:

=
        is_mdspan_type<T> || is_stdvector_type<T>

is_mdspan_type

template<class T >

constexpr bool tlapack::traits::is_mdspan_type

constexpr

Initial value:

=
        decltype(internal::is_mdspan_type_f(std::declval<T*>()))::value

True if T is a mdspan array.

See also

https://stackoverflow.com/a/25223400/5253097