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Tree: 91f517b9f5
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relibc_openlibm
Viral B. Shah 91f517b9f5 Merge pull request #100 from NuxiNL/aarch64 9 years ago
amd64 388f0f1d32 Remove unused Symbol.map files. 10 years ago
arm 388f0f1d32 Remove unused Symbol.map files. 10 years ago
bsdsrc 7e5585aaca Rename openlibm.h to openlibm_math.h. 10 years ago
i387 c08bd962f2 Remove the non-standard finite() function. 10 years ago
include b6ff8bbe91 Clean up a change that I sneaked in accidentically. 10 years ago
ld128 845b329cb9 Remove __always_inline, just like we do for ld80. 9 years ago
ld80 7e5585aaca Rename openlibm.h to openlibm_math.h. 10 years ago
src ec5833a498 Add a copy of FreeBSD's lib/libc/aarch64/_fpmath.h. 9 years ago
test 395d998567 Fix missing buildflags 9 years ago
.gitignore 0c307a220b add .pc to .gitignore 10 years ago
.mailmap f5d2bc53f9 Add mailmap 12 years ago
.travis.sh 9101f61238 Added Travis test script 10 years ago
.travis.yml 5473e8b27d Disable OS X tests for now. 10 years ago
LICENSE.md e5c38c3e8b README and LICENSE updates. 10 years ago
Make.inc 395d998567 Fix missing buildflags 9 years ago
Makefile f70240ded5 Add support for cross compiling with ARCH=name 10 years ago
README.md 3f0a53d69b New instructions about how to build on OpenBSD 9 years ago
openlibm.pc.in 5b16546ddd Added pkg-config support 10 years ago

README.md

OpenLibm

Build Status

OpenLibm is an effort to have a high quality, portable, standalone C mathematical library (libm). It can be used standalone in applications and programming language implementations.

The project was born out of a need to have a good libm for the Julia programming langage that worked consistently across compilers and operating systems, and in 32-bit and 64-bit environments.

Platform support

OpenLibm builds on Linux, Mac OS X, Windows, FreeBSD, and OpenBSD. It builds with both GCC and clang. Although largely tested on x86, it also includes experimental support for ARM.

Build instructions

  1. Use make to build OpenLibm.
  2. Use make USEGCC=1 to build with GCC. This is the default on Linux and Windows.
  3. Use make USECLANG=1 to build with clang. This is the default on OS X and FreeBSD.
  4. Use make ARCH=i386 to build for i386. Other supported architectures are i486, i586, i686, x86_64, and various arm architectures.
  5. On OpenBSD, you need to install GNU Make (port name: gmake) and a recent version of gcc (tested: 4.9.2), as the default version provided by OpenBSD is too old (4.2.1). If you use OpenBSD's port system for this (port name: gcc), run make CC=egcc to force Make to use the newer gcc.