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| author | Sylvain Henry <sylvain@haskus.fr> | 2021-04-08 13:46:35 +0200 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2021-05-12 14:26:57 -0400 |
| commit | 7713f2a4a6a0e2a9988b87b5bf7e21559edb9c93 (patch) | |
| tree | 9fdce12ad45284117bf50908366922fd3ae54fa9 | |
| parent | 69c3d63071893a0a2154fb47ce4c919547e2876c (diff) | |
| download | haskell-7713f2a4a6a0e2a9988b87b5bf7e21559edb9c93.tar.gz | |
Bignum: add BigNat Eq/Ord instances (#19647)
(cherry picked from commit a951e06921f05df1601d9c3a39efcede27f3330c)
| -rw-r--r-- | libraries/ghc-bignum/src/GHC/Num/BigNat.hs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libraries/ghc-bignum/src/GHC/Num/BigNat.hs b/libraries/ghc-bignum/src/GHC/Num/BigNat.hs index 7446e5e27f..9991704988 100644 --- a/libraries/ghc-bignum/src/GHC/Num/BigNat.hs +++ b/libraries/ghc-bignum/src/GHC/Num/BigNat.hs @@ -1595,3 +1595,19 @@ bigNatFromWordArray# wa n0 -- /without/ cloning the 'WordArray#' into a newly allocated one) bigNatFromWordArray :: WordArray# -> Word# -> BigNat bigNatFromWordArray wa n = BN# (bigNatFromWordArray# wa n) + +------------------------------------------------- +-- Instances +------------------------------------------------- + +instance Eq BigNat where + BN# a == BN# b = bigNatEq a b + BN# a /= BN# b = bigNatNe a b + +instance Ord BigNat where + (BN# a) `compare` (BN# b) = bigNatCompare a b + BN# a < BN# b = bigNatLt a b + BN# a <= BN# b = bigNatLe a b + BN# a > BN# b = bigNatGt a b + BN# a >= BN# b = bigNatGe a b + |