MIT licensed by **Douglas McClean**

This version can be pinned in stack with:`exact-pi-0.5.0.1@sha256:0a373a5c01b758f29b0bb105a17d7bddb9ce1cbbf14f0f91602836cb32e0e985,2118`

#### Module documentation for 0.5.0.1

# exact-pi

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

## 0.5.0.1

- Bump base dependency.
- Resolve compiler warnings.

## 0.5.0.0

- Change implementation of ‘rationalApproximations’ to use Chudnovsky’s approximations.

## 0.4.1.4

- Comply with NoStarIsType pragma.

## 0.4.1.3

- Add Semigroup ExactPi instance.

## 0.4.1.2

## 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.