lu.hpp File Reference

#include <uni20/config.hpp>
#include "linear_solve.hpp"
#include <uni20/linalg/backends/lu_common.hpp>

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Namespaces
namespace	uni20
namespace	uni20::linalg

Functions
template<MutableRankedStridedMdspecLike< 2 > A> requires HostWritableMdspec<A> && LapackScalar<typename A::value_type> && DefaultAccessorMdspanLike<host_write_mdspan_t<A>>
consteval auto	uni20::linalg::kernel_accepts_types (LapackBackend, lu_factor_op const &, A &, std::span< std::size_t >, LuNorms< make_real_t< typename A::value_type > > *, SolveInfo &, SolveOptions< make_real_t< typename A::value_type > > const &)
	Accept directly addressable native LAPACK LU workspaces.
template<RankedStridedMdspecLike< 2 > A, MutableRankedStridedMdspecLike< 2 > B> requires HostReadableMdspec<A> && HostWritableMdspec<B> && LapackScalar<typename A::value_type> && std::same_as<typename A::value_type, typename B::value_type> && DefaultAccessorMdspanLike<host_read_mdspan_t<A>> && DefaultAccessorMdspanLike<host_write_mdspan_t<B>>
consteval auto	uni20::linalg::kernel_accepts_types (LapackBackend, lu_solve_op const &, A &, std::span< std::size_t const >, B &, SolveInfo &)
	Accept directly addressable read-only factors and a writable RHS.
template<MutableRankedStridedMdspecLike< 2 > A> requires HostWritableMdspec<A> && LapackScalar<typename A::value_type> && DefaultAccessorMdspanLike<host_write_mdspan_t<A>>
KernelAttempt	uni20::linalg::try_kernel (LapackBackend, lu_factor_op const &, A &a, std::span< std::size_t > pivots, LuNorms< make_real_t< typename A::value_type > > *norms, SolveInfo &info, SolveOptions< make_real_t< typename A::value_type > > const &options)
	Compute packed factors through GETRF, preserving all outputs on decline.
template<RankedStridedMdspecLike< 2 > A, MutableRankedStridedMdspecLike< 2 > B> requires HostReadableMdspec<A> && HostWritableMdspec<B> && LapackScalar<typename A::value_type> && std::same_as<typename A::value_type, typename B::value_type> && DefaultAccessorMdspanLike<host_read_mdspan_t<A>> && DefaultAccessorMdspanLike<host_write_mdspan_t<B>>
KernelAttempt	uni20::linalg::try_kernel (LapackBackend, lu_solve_op const &, A &a, std::span< std::size_t const > pivots, B &b, SolveInfo &info)
	Apply GETRS without modifying the factors.