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Juho Kahala
8cd47adab2
The tests were using `rug::ln_gamma` as a reference for `libm::lgamma`, which actually computes the natural logarithm *of the absolute value* of the Gamma function. This changes the range of inputs used for the icount-benchmarks of these functions, which causes false regressions in [1]. [1]: https://github.com/rust-lang/compiler-builtins/actions/runs/21788698368/job/62864230903?pr=1075#step:7:2710. Fixes: a1a066611dc2 ("Create interfaces for testing against MPFR")
compiler-builtins and libm
This repository contains two main crates:
compiler-builtins: symbols that the compiler expects to be available at link timelibm: a Rust implementation of C math libraries, used to provide implementations incore.
More details are at compiler-builtins/README.md and libm/README.md.
For instructions on contributing, see CONTRIBUTING.md.
License
libmmay be used under the MIT Licensecompiler-builtinsmay be used under the MIT License and the Apache License, Version 2.0 with the LLVM exception.- All original contributions must be under all of: the MIT license, the Apache-2.0 license, and the Apache-2.0 license with the LLVM exception.
More details are in LICENSE.txt and libm/LICENSE.txt.