alpaka::rand::engine::internal Namespace Reference

Classes
class	PhiloxBaseCommon
	Common class for Philox family engines. More...
class	PhiloxConstants
	Constants used in the Philox algorithm. More...
struct	PhiloxParams
	Philox algorithm parameters. More...
class	PhiloxSingle
	Philox engine generating a single number. More...
struct	PhiloxState
	Philox state. More...
struct	PhiloxState< T_Counter, T_Key, PhiloxSingle< T_Params > >
	Philox state specialization for single value engine. More...
struct	PhiloxState< T_Counter, T_Key, PhiloxVector< T_Params > >
	Philox state specialization for vector engine more memory/register efficient. More...
class	PhiloxStateless
	Class basic Philox family counter-based PRNG. More...
class	PhiloxVector
	Philox engine generating a vector of numbers. More...

Functions
constexpr auto	high32Bits (std::uint64_t const x) -> std::uint32_t
	Get high 32 bits of a 64-bit number.
constexpr auto	low32Bits (std::uint64_t const x) -> std::uint32_t
	Get low 32 bits of a 64-bit number.
constexpr void	multiplyAndSplit64to32 (std::uint64_t const a, std::uint64_t const b, std::uint32_t &resultHigh, std::uint32_t &resultLow)
	Multiply two 64-bit numbers and split the result into high and low 32 bits, also known as "mulhilo32".

Function Documentation

high32Bits()

auto alpaka::rand::engine::internal::high32Bits ( std::uint64_t const x ) -> std::uint32_t

constexpr

Get high 32 bits of a 64-bit number.

Definition at line 14 of file multiplyAndSplit64to32.hpp.

low32Bits()

auto alpaka::rand::engine::internal::low32Bits ( std::uint64_t const x ) -> std::uint32_t

constexpr

Get low 32 bits of a 64-bit number.

Definition at line 20 of file multiplyAndSplit64to32.hpp.

multiplyAndSplit64to32()

void alpaka::rand::engine::internal::multiplyAndSplit64to32 ( std::uint64_t const a, std::uint64_t const b, std::uint32_t & resultHigh, std::uint32_t & resultLow )

constexpr

Multiply two 64-bit numbers and split the result into high and low 32 bits, also known as "mulhilo32".

Parameters

a	first 64-bit multiplier
b	second 64-bit multiplier
resultHigh	high 32 bits of the product a*b
resultLow	low 32 bits of the product a*b

Definition at line 33 of file multiplyAndSplit64to32.hpp.