[all-commits] [llvm/llvm-project] a17b03: [libc][math] Implement fast pass for double precis...

[lntue via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a17b03f0e450eee8c8a2e0ec58bf2a1dede23aba
      https://github.com/llvm/llvm-project/commit/a17b03f0e450eee8c8a2e0ec58bf2a1dede23aba
  Author: lntue <lntue at google.com>
  Date:   2025-03-21 (Fri, 21 Mar 2025)

  Changed paths:
    M libc/config/darwin/arm/entrypoints.txt
    M libc/config/linux/aarch64/entrypoints.txt
    M libc/config/linux/arm/entrypoints.txt
    M libc/config/linux/riscv/entrypoints.txt
    M libc/config/linux/x86_64/entrypoints.txt
    M libc/config/windows/entrypoints.txt
    M libc/docs/headers/math/index.rst
    M libc/include/math.yaml
    M libc/src/math/generic/CMakeLists.txt
    A libc/src/math/generic/atan.cpp
    M libc/src/math/generic/atan2.cpp
    A libc/src/math/generic/atan_utils.h
    M libc/test/src/math/CMakeLists.txt
    A libc/test/src/math/atan_test.cpp
    M libc/test/src/math/smoke/CMakeLists.txt
    A libc/test/src/math/smoke/atan_test.cpp
    M utils/bazel/llvm-project-overlay/libc/BUILD.bazel
    M utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
    M utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel

  Log Message:
  -----------
  [libc][math] Implement fast pass for double precision atan function. (#132333)

Implement fast pass for double precision `atan` using range reduction
modulo 1/64 and degree-9 Taylor polynomial.
Relative error is bounded by 2^-66.



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