[all-commits] [llvm/llvm-project] f55963: [libc] Add implementation for hypotf

[lntue via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: f55963d501e46c9453d08a0c764ec40141230966
      https://github.com/llvm/llvm-project/commit/f55963d501e46c9453d08a0c764ec40141230966
  Author: Tue Ly <lntue at google.com>
  Date:   2020-09-17 (Thu, 17 Sep 2020)

  Changed paths:
    M libc/config/linux/aarch64/entrypoints.txt
    M libc/config/linux/api.td
    M libc/config/linux/x86_64/entrypoints.txt
    M libc/spec/stdc.td
    M libc/src/math/CMakeLists.txt
    A libc/src/math/hypotf.cpp
    A libc/src/math/hypotf.h
    M libc/test/src/math/CMakeLists.txt
    A libc/test/src/math/hypotf_test.cpp

  Log Message:
  -----------
  [libc] Add implementation for hypotf

Truncating the sum of squares, and then use shift-and-add algorithm to compute its square root.
Required MPFR testing infra is updated in https://reviews.llvm.org/D87514

Differential Revision: https://reviews.llvm.org/D87516