half-0.2.1: Half-precision floating-point

Copyright	(C) 2014 Edward Kmett
License	BSD-style (see the file LICENSE)
Maintainer	Edward Kmett <ekmett@gmail.com>
Stability	experimental
Portability	PatternSynonyms
Safe Haskell	None
Language	Haskell98

Numeric.Half

Description

Half-precision floating-point values. These arise commonly in GPU work and it is useful to be able to compute them and compute with them on the CPU as well.

Synopsis

Documentation

newtype Half Source

Constructors

Half
Fields getHalf :: CUShort

Instances

Eq Half
Floating Half
Fractional Half
Num Half
Ord Half
Read Half
Real Half
RealFloat Half
RealFrac Half
Show Half
Storable Half
Typeable * Half

isZero :: Half -> Bool Source

Is this Half equal to 0?

fromHalf :: Half -> Float Source

Convert a Half to a Float while preserving NaN

toHalf :: Float -> Half Source

Convert a Float to a Half with proper rounding, while preserving NaN and dealing appropriately with infinity

POS_INF

NEG_INF

QNaN

SNaN

HALF_MIN

HALF_NRM_MIN

HALF_MAX

HALF_EPSILON

HALF_DIG

HALF_MIN_10_EXP

HALF_MAX_10_EXP