cutlass::half_t Struct Reference

IEEE half-precision floating-point type.

#include <half.h>

Public Member Functions
CUTLASS_HOST_DEVICE	half_t ()
	Default constructor. More...
CUTLASS_HOST_DEVICE	half_t (half const &x)
	Reinterpret cast from CUDA's half type. More...
CUTLASS_HOST_DEVICE	half_t (float x)
	Floating point conversion. More...
CUTLASS_HOST_DEVICE	half_t (double x)
	Floating point conversion. More...
CUTLASS_HOST_DEVICE	half_t (int x)
	Integer conversion - round to nearest even. More...
CUTLASS_HOST_DEVICE	half_t (unsigned x)
	Integer conversion - round toward zero. More...
CUTLASS_HOST_DEVICE half_t &	operator= (half const &x)
	Assignment. More...
CUTLASS_HOST_DEVICE	operator float () const
	Converts to float. More...
CUTLASS_HOST_DEVICE	operator double () const
	Converts to float. More...
CUTLASS_HOST_DEVICE	operator int () const
	Converts to float. More...
CUTLASS_HOST_DEVICE	operator bool () const
	Casts to bool. More...
CUTLASS_HOST_DEVICE half	to_half () const
	Bitcasts to CUDA's half type. More...
CUTLASS_HOST_DEVICE uint16_t &	raw ()
	Accesses raw internal state. More...
CUTLASS_HOST_DEVICE uint16_t	raw () const
	Accesses raw internal state. More...
CUTLASS_HOST_DEVICE bool	signbit () const
	Returns the sign bit. More...
CUTLASS_HOST_DEVICE int	exponent_biased () const
	Returns the biased exponent. More...
CUTLASS_HOST_DEVICE int	exponent () const
	Returns the unbiased exponent. More...
CUTLASS_HOST_DEVICE int	mantissa () const
	Returns the mantissa. More...

Static Public Member Functions
static CUTLASS_HOST_DEVICE half_t	bitcast (uint16_t x)
	Constructs from an unsigned short. More...
static CUTLASS_HOST_DEVICE half_t	convert (float const &flt)
	FP32 -> FP16 conversion - rounds to nearest even. More...
static CUTLASS_HOST_DEVICE half_t	convert (int const &n)
	FP32 -> FP16 conversion - rounds to nearest even. More...
static CUTLASS_HOST_DEVICE half_t	convert (unsigned const &n)
	FP32 -> FP16 conversion - rounds to nearest even. More...
static CUTLASS_HOST_DEVICE float	convert (half_t const &x)
	Converts a half-precision value stored as a uint16_t to a float. More...

Public Attributes
uint16_t	storage
	Storage type. More...

Constructor & Destructor Documentation

CUTLASS_HOST_DEVICE cutlass::half_t::half_t ( )

inline

CUTLASS_HOST_DEVICE cutlass::half_t::half_t ( half const &  x )

inlineexplicit

CUTLASS_HOST_DEVICE cutlass::half_t::half_t ( float  x )

inlineexplicit

CUTLASS_HOST_DEVICE cutlass::half_t::half_t ( double  x )

inlineexplicit

CUTLASS_HOST_DEVICE cutlass::half_t::half_t ( int  x )

inlineexplicit

CUTLASS_HOST_DEVICE cutlass::half_t::half_t ( unsigned  x )

inlineexplicit

Member Function Documentation

static CUTLASS_HOST_DEVICE half_t cutlass::half_t::bitcast ( uint16_t  x )

inlinestatic

static CUTLASS_HOST_DEVICE half_t cutlass::half_t::convert ( float const &  flt )

inlinestatic

static CUTLASS_HOST_DEVICE half_t cutlass::half_t::convert ( int const &  n )

inlinestatic

static CUTLASS_HOST_DEVICE half_t cutlass::half_t::convert ( unsigned const &  n )

inlinestatic

static CUTLASS_HOST_DEVICE float cutlass::half_t::convert ( half_t const &  x )

inlinestatic

CUTLASS_HOST_DEVICE int cutlass::half_t::exponent ( ) const

inline

CUTLASS_HOST_DEVICE int cutlass::half_t::exponent_biased ( ) const

inline

CUTLASS_HOST_DEVICE int cutlass::half_t::mantissa ( ) const

inline

CUTLASS_HOST_DEVICE cutlass::half_t::operator bool ( ) const

inline

CUTLASS_HOST_DEVICE cutlass::half_t::operator double ( ) const

inline

CUTLASS_HOST_DEVICE cutlass::half_t::operator float ( ) const

inline

CUTLASS_HOST_DEVICE cutlass::half_t::operator int ( ) const

inlineexplicit

CUTLASS_HOST_DEVICE half_t& cutlass::half_t::operator= ( half const &  x )

inline

CUTLASS_HOST_DEVICE uint16_t& cutlass::half_t::raw ( )

inline

CUTLASS_HOST_DEVICE uint16_t cutlass::half_t::raw ( ) const

inline

CUTLASS_HOST_DEVICE bool cutlass::half_t::signbit ( ) const

inline

CUTLASS_HOST_DEVICE half cutlass::half_t::to_half ( ) const

inline

Member Data Documentation

uint16_t cutlass::half_t::storage

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The documentation for this struct was generated from the following file:

• half.h