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2025-08-02[libc][math] Refactor atanhf implementation to header-only in ↵Muhammad Bassiouni
src/__support/math folder. (#151399) Part of #147386 in preparation for: https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
2025-07-21[libc][math] Refactor acoshf implementation to header-only in ↵Muhammad Bassiouni
src/__support/math folder. (#148418) Part of #147386 in preparation for: https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
2025-07-17[libc][math] Refactor exp10f implementation to header-only in ↵Muhammad Bassiouni
src/__support/math folder. (#148405) Part of #147386 in preparation for: https://discourse.llvm.org/t/rfc-make-clang-builtin-math-functions-constexpr-with-llvm-libc-to-support-c-23-constexpr-math-functions/86450
2025-04-08[libc][math] Fix signaling NaN handling for math functions. (#133347)wldfngrs
Add tests for signaling NaNs, and fix function behavior for handling signaling NaN input. Fixes https://github.com/llvm/llvm-project/issues/124812
2024-07-12[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration (#98597)Petr Hosek
This is a part of #97655.
2024-07-12Revert "[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace ↵Mehdi Amini
declaration" (#98593) Reverts llvm/llvm-project#98075 bots are broken
2024-07-11[libc] Migrate to using LIBC_NAMESPACE_DECL for namespace declaration (#98075)Petr Hosek
This is a part of #97655.
2024-03-20[libc][NFC] Move `Sign` type to separate header (#85930)Guillaume Chatelet
2024-01-30[libc][NFC] Rename `FPBits` nan functions (#79998)Guillaume Chatelet
- [libc][NFC] Rename FPBits nan functions - rename build_signaling_nan in signaling_nan - rename build_quiet_nan to quiet_nan
2024-01-23[reland][libc] Remove unnecessary `FPBits` functions and properties (#79128)Guillaume Chatelet
- reland #79113 - Fix aarch64 RISC-V build
2024-01-23Revert "[libc] Remove unnecessary `FPBits` functions and properties" (#79118)Guillaume Chatelet
Reverts llvm/llvm-project#79113 It broke aarch64 build bot machines.
2024-01-23[libc] Remove unnecessary `FPBits` functions and properties (#79113)Guillaume Chatelet
This patch reduces the surface of `FPBits`.
2024-01-18[libc][NFC] Introduce a Sign type for FPBits (#78500)Guillaume Chatelet
Another patch is needed to cover `DyadicFloat` and `NormalFloat` constructors.
2023-12-19[libc][NFC] Make `EXP_MANT_MASK` an implementation detail (#75810)Guillaume Chatelet
This mask is an implementation detail of `FPBits` and shouldn't really leak outside of it.
2023-12-13[reland][libc][NFC] Implement `FPBits` in terms of `FloatProperties` to ↵Guillaume Chatelet
reduce clutter (#75196) (#75318) Also make type naming consistent by using `UIntType` instead of `intU_t`. This patch is a reland of #75196 but does not include the "use `FPBits` instead of `FPBits_t`, `FPB`" part. This needs more work.
2023-12-13Revert "[libc][NFC] Implement `FPBits` in terms of `FloatProperties` to ↵Guillaume Chatelet
reduce clutter" (#75304) Reverts llvm/llvm-project#75196 GCC complains about change of meaning for `FPBits` ``` /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-gcc-fullbuild-dbg/llvm-project/libc/src/__support/FPUtil/generic/FMod.h:188:9: error: declaration of ‘using FPBits = struct __llvm_libc_18_0_0_git::fputil::FPBits<T>’ changes meaning of ‘FPBits’ [-fpermissive] 188 | using FPBits = FPBits<T>; | ^~~~~~ ``` I'll reland with a different name.
2023-12-13[libc][NFC] Implement `FPBits` in terms of `FloatProperties` to reduce ↵Guillaume Chatelet
clutter (#75196) Also make type naming consistent: - `UIntType` instead of `intU_t` - `FPBits` instead of `FPBits_t`, `FPB`
2023-11-06[libc][math] Add min/max/min_denorm/max_denorm constants to FPBits and clean ↵lntue
up its constants return types. (#71298)
2023-09-26[libc] Mass replace enclosing namespace (#67032)Guillaume Chatelet
This is step 4 of https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079
2023-03-23[libc] Fix some math conversion warningsAlex Brachet
Differential Revision: https://reviews.llvm.org/D146738
2023-03-07[libc][math] Switch math functions to use libc_errno and fix some errno and ↵Tue Ly
floating point exceptions. Switch math functions to use libc_errno and fix some errno and floating point exceptions Reviewed By: sivachandra Differential Revision: https://reviews.llvm.org/D145349
2023-02-10[libc] Move likely/unlikely to the optimization headerGuillaume Chatelet
2023-02-07[libc][NFC] Move attributes from common to macros folderGuillaume Chatelet
2022-10-06[libc] Resolve NaN/implementation-defined behavior of floating-point testsDominic Chen
Differential Revision: https://reviews.llvm.org/D134917
2022-08-30[libc][math] Added atanhf function.Kirill Okhotnikov
Performance by core-math (core-math/glibc 2.31/current llvm-14): 10.845/43.174/13.467 The review is done on top of D132809. Differential Revision: https://reviews.llvm.org/D132811
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