half

Half-precision floating-point http://github.com/ekmett/half

Version on this page:0.2.2.3
LTS Haskell 12.24:0.3
Stackage Nightly 2018-12-18:0.3
Latest on Hackage:0.3

See all snapshots half appears in

BSD3 licensed by Edward A. Kmett
Maintained by Edward A. Kmett

Module documentation for 0.2.2.3

half

Hackage Build Status

This package supplies half-precision floating point values w/ 1 bit of sign, 5 bits of exponent, 11 bits of mantissa trailing a leading 1 bit with proper underflow.

These arise commonly in GPU applications.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on irc.freenode.net.

-Edward Kmett

Changes

0.3

  • Fixed bound in floatRange.
  • Fixed decodeFloat.
  • Added a Lift instance for Half for template-haskell support.

0.2.2.3

  • Avoid the new warnings for missing pattern synonym signatures on GHC 8

0.2.2.2

  • Fixed an issue with Storable that was causing crashing for some users.

0.2.2.1

  • Added support for older GHCs still. unsafeShiftR was only added in 7.4.

0.2.2

  • Fixed isInfinite.
  • Added support for older GHCs. On GHC < 7.8 the pattern synonyms are disabled.

0.2.1

  • Removed need for GeneralizedNewtypeDeriving and ScopedTypeVariables.

0.2.0.1

  • Fixed source repository location

0.2

  • Renamed toFloat to fromHalf for easier unqualified use.
  • Added a Read instance.

0.1.1

  • Added a CTYPE to the Half declaration so that it can be used with CApiFFI as an unsigned short.

0.1

  • Initial release
Depends on 3 packages:
base, deepseq, template-haskell
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