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Issue created by Ben Gamari@bgamari🐢Maintainer3 of 6 checklist items completed3/6 checklist items

ghc-bignum is missing a few functions

Originally I had thought that these weren't used by head.hackage has shown otherwise:

  • gcdExtInteger :: Integer -> Integer -> (# Integer, Integer #)
  • recipModInteger :: Integer -> Integer -> Integer
  • powModInteger :: Integer -> Integer -> Integer -> Integer
  • powModSecInteger :: Integer -> Integer -> Integer -> Integer
  • nextPrimeInteger :: Integer -> Integer
  • testPrimeInteger :: Integer -> Int# -> Int#

It's a bit unclear how many of these we really want to support in ghc-bignum. Some seem awfully specialised. Nevertheless, they are all appear to be used (or at least wrapped) by cryptonite

Edited by Sylvain Henry
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