exact-pi

Exact rational multiples of pi (and integer powers of pi)

https://github.com/dmcclean/exact-pi/

Version on this page:0.4.1.1
LTS Haskell 24.18:0.5.0.2
Stackage Nightly 2025-11-04:0.5.0.2
Latest on Hackage:0.5.0.2

See all snapshots exact-pi appears in

MIT licensed by Douglas McClean
Maintained by [email protected]
This version can be pinned in stack with:exact-pi-0.4.1.1@sha256:b0cb0b6ad8119ed0e935b0ecf365e67d2303f09a5b7166ed4e5ddf3001eee362,1410

Module documentation for 0.4.1.1

Depends on 2 packages(full list with versions):
base, numtype-dk
Used by 1 package in nightly-2016-02-15(full list with versions):
dimensional

exact-pi

Exact rational multiples of pi (and integer powers of pi) in Haskell

Build Status Hackage Version

Changes

0.4.1.1

  • Fixed infinite loop in definition of negate.

0.4.1.0

  • Added function for computing rational approximations of ExactPi values.

0.4.0.0

  • Added simpler constraints for converting ExactPi types to terms with the minimal context.

0.3.1.0

  • Added support for exactly comparing values.

0.3.0.0

  • Added a type-level representation of ExactPi values.

0.2.1.2

  • Fixed a bug in recip.
  • Fixed approximation of exact values with a negative exponent for pi.

0.2.1.1

  • Fixed a missing case in isZero.

0.2.1.0

  • Added support for converting to exact integers or exact rationals.

0.2.0.0

  • Removed dependency on groups package, since it appears not to be widely used.
  • Fixed a missing case alternative in recip.

0.1.2.0

  • Added support for GHC 7.8.