AMReX_Scan.H File Reference

#include <AMReX_Config.H>
#include <AMReX_Extension.H>
#include <AMReX_Gpu.H>
#include <AMReX_Arena.H>
#include <cub/cub.cuh>
#include <concepts>
#include <cstdint>
#include <numeric>
#include <type_traits>

Go to the source code of this file.

Classes
struct	amrex::Scan::RetSum
struct	amrex::Scan::Type::Inclusive
struct	amrex::Scan::Type::Exclusive

Namespaces
namespace	amrex
namespace	amrex::Scan
namespace	amrex::Scan::Type
namespace	amrex::Gpu

Functions
template<typename T , std::integral N, typename FIN , typename FOUT , typename TYPE > requires (std::same_as<std::decay_t<TYPE>,Type::Inclusive> || std::same_as<std::decay_t<TYPE>,Type::Exclusive>)
T	amrex::Scan::PrefixSum (N n, FIN const &fin, FOUT const &fout, TYPE, RetSum a_ret_sum=retSum)
template<std::integral N, typename T >
T	amrex::Scan::InclusiveSum (N n, T const *in, T *out, RetSum a_ret_sum=retSum)
	Inclusive sum.
template<std::integral N, typename T >
T	amrex::Scan::ExclusiveSum (N n, T const *in, T *out, RetSum a_ret_sum=retSum)
	Exclusive sum.
template<class InIter , class OutIter >
OutIter	amrex::Gpu::inclusive_scan (InIter begin, InIter end, OutIter result)
template<class InIter , class OutIter >
OutIter	amrex::Gpu::exclusive_scan (InIter begin, InIter end, OutIter result)

Variables
static constexpr RetSum	amrex::Scan::retSum {true}
static constexpr RetSum	amrex::Scan::noRetSum {false}
static constexpr struct amrex::Scan::Type::Inclusive	amrex::Scan::Type::inclusive
static constexpr struct amrex::Scan::Type::Exclusive	amrex::Scan::Type::exclusive