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2025-10-21[libc][math] Add tolerance to math tests so that they still work when ↵lntue
accurate path is skipped. (#164522)
2025-09-10[libc] Clean up errno header usage in math tests. (#157898)Alexey Samsonov
This is one more follow-up to PR https://github.com/llvm/llvm-project/pull/157517 that cleans up the usage of libc_errno in math unit-tests (non-smoke). It follows the same rule: * if you use libc_errno in code literally, include src/__support/libc_errno.h * if you only rely on errno constants, include hdr/errno_macros.h Several tests for exp/log still retain the direct libc_errno usage, since in some cases they skip doing any validation if the error was raised. But the direct usage of libc_errno is removed from all other cases.
2025-07-23[libc][NFC] Add stdint.h proxy header to fix dependency issue with ↵lntue
<stdint.h> includes. (#150303) https://github.com/llvm/llvm-project/issues/149993
2025-06-11[libc] Move libc_errno.h to libc/src/__support and make ↵lntue
LIBC_ERRNO_MODE_SYSTEM to be header-only. (#143187) This is the first step 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
2024-07-28[libc] Create a separate proxy header for math-function-macros.h (#98430)Nhat Nguyen
Fix #98393
2024-04-05[libc] Add proxy header math_macros.h. (#87598)lntue
Context: https://github.com/llvm/llvm-project/pull/87017 - Add proxy header `libc/hdr/math_macros.h` that will: - include `<math.h>` in overlay mode, - include `"include/llvm-libc-macros/math-macros.h"` in full build mode. - Its corresponding CMake target `libc.hdr.math_macros` will only depend on `libc.include.math` and `libc.include.llvm-libc-macros.math_macros` in full build mode. - Replace all `#include "include/llvm-libc-macros/math-macros.h"` with `#include "hdr/math_macros.h"`. - Add dependency to `libc.hdr.math_macros` CMake target when using `add_fp_unittest`. - Update the remaining dependency. - Update bazel overlay: add `libc:hdr_math_macros` target, and replacing all dependency on `libc:llvm_libc_macros_math_macros` with `libc:hdr_math_macros`.
2024-04-04[libc][math][c23] Add exp2m1f C23 math function (#86996)OverMighty
Fixes #86502. cc @lntue