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Sylvain Henry authored
ghc-bignum is a newer package that aims to replace the legacy integer-simple and integer-gmp packages. * it supports several backends. In particular GMP is still supported and most of the code from integer-gmp has been merged in the "gmp" backend. * the pure Haskell "native" backend is new and is much faster than the previous pure Haskell implementation provided by integer-simple * new backends are easier to write because they only have to provide a few well defined functions. All the other code is common to all backends. In particular they all share the efficient small/big number distinction previously used only in integer-gmp. * backends can all be tested against the "native" backend with a simple Cabal flag. Backends are only allowed to differ in performance, their results should be the same. * Add `integer-gmp` compat package: provide some pattern synonyms and function aliases for those in `ghc-bignum`. It is intended to avoid breaking packages that depend o...
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