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Optimize the implementation of minusInteger in the integer-gmp package

    • Closed Issue created by admock @trac-admock

    As mentioned in https://www.fpcomplete.com/blog/2016/05/weigh-package, the current implementation of minusInteger is

    minusInteger x y = inline plusInteger x (inline negateInteger y)

    which always allocates an additional integer. This could be improved by not always calling negateInteger and instead having an implementation more like plusInteger's.

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    Version 8.0.1
    Type Task
    TypeOfFailure OtherFailure
    Priority normal
    Resolution Unresolved
    Component libraries (other)
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