Revision b388d264642a99ec48c1064cce5bf8dca089a690 authored by Neven Sajko on 14 August 2023, 11:43:34 UTC, committed by GitHub on 14 August 2023, 11:43:34 UTC
MPFR determines special values according to sentinel values of the exponent field. Although these constants are not documented (they're defined in MPFR's `src/mpfr-impl.h`), they're already used in `Base.MPFR` in the `BigFloat` inner constructor and for converting IEEE 754 FP types to `BigFloat`, so I guess it makes sense to avoid the `ccall` overhead for predicates like `iszero` and `isnan`, too. The context here is that I'm working on generic IEEE 754-`BigFloat` conversion implementations that would work without using MPFR and improve correctness (#50642) and performance, so this PR seems like the obvious prerequisite for being able to use the Julian predicates like `iszero` without calling libmpfr unnecessarily.
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CONTRIBUTING.md | -rw-r--r-- | 23.4 KB |
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julia.spdx.json | -rw-r--r-- | 35.8 KB |
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sysimage.mk | -rw-r--r-- | 4.3 KB |
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