## Changelog for ghc-typelits-extra-0.2.4

# 0.2.4 *January 4th 2018*

- Add support for GHC-8.4.1-alpha1

# 0.2.3 *May 15th 2017*

- Support GHC 8.2
`Max`

, `Min`

, `GCD`

, and `LCM`

now have a commutativity property #9
- Reduce
`GCD 0 x`

to `x`

#9
- Reduce
`GCD 1 x`

to `1`

#9
- Reduce
`GCD x x`

to `x`

#9
- Reduce
`LCM 0 x`

to `0`

#9
- Reduce
`LCM 1 x`

to `x`

#9
- Reduce
`LCM x x`

to `x`

#9
- Reduce
`Max (0-1) 0`

to `0`

#10
- Reduce
`Min (0-1) 0`

to `0 - 1`

#10
- Fixes bugs:
- Solver turns LCM into GCD #8
- Solver turns Max into Min

# 0.2.2 *January 15th 2017*

- Reduce
`Min n (n+1)`

to `n`

- Reduce
`Max n (n+1)`

to `n+1`

- Reduce cases like
`1 <=? Div 18 6`

to `True`

- Add a type-level division that rounds up:
`type DivRU n d = Div (n + (d - 1)) d`

- Add a type-level
`divMod`

: `DivMod :: Nat -> Nat -> '(Nat, Nat)`

# 0.2.1 *September 29th 2016*

- Reduce
`Max n n`

to `n`

- Reduce
`Min n n`

to `n`

# 0.2 *August 19th 2016*

- New type-level operations:
`Max`

: type-level `max`

`Min`

: type-level `min`

`Div`

: type-level `div`

`Mod`

: type-level `mod`

`FLog`

: floor of logBase
`Log`

: exact integer logBase (i.e. where `floor (logBase b x) ~ ceiling (logBase b x)`

holds)
`LCM`

: type-level `lcm`

- Fixes bugs:
`CLog b 1`

doesn't reduce to `0`

## 0.1.3 *July 19th 2016*

- Fixes bugs:
- Rounding error in
`CLog`

calculation

## 0.1.2 *July 8th 2016*

- Solve KnownNat constraints over CLog and GCD, i.e., KnownNat (CLog 2 4)

## 0.1.1 *January 20th 2016*

## 0.1 *October 21st 2015*