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relibc_openlibm
Ed Schouten c2154fd3f3 Add missing void keyword to keep -Wold-style-definition happy. пре 10 година
amd64 93aef7f9b1 Remove $ARCH/openlibm_fenv.h. пре 10 година
arm 93aef7f9b1 Remove $ARCH/openlibm_fenv.h. пре 10 година
bsdsrc bc3f903bc2 Move public headers into include/ and private headers into src/. пре 10 година
i387 93aef7f9b1 Remove $ARCH/openlibm_fenv.h. пре 10 година
include bc3f903bc2 Move public headers into include/ and private headers into src/. пре 10 година
ld128 06dbb6e72b Use more uniform style of including headers. пре 10 година
ld80 06dbb6e72b Use more uniform style of including headers. пре 10 година
src c2154fd3f3 Add missing void keyword to keep -Wold-style-definition happy. пре 10 година
test c485db579d Some fixes to be able to build the system versions of the tests. пре 10 година
.gitignore 0c307a220b add .pc to .gitignore пре 10 година
.mailmap f5d2bc53f9 Add mailmap пре 12 година
.travis.sh 9101f61238 Added Travis test script пре 10 година
.travis.yml ecfaad0dec try being consistent about quoting to disable arm build from osx пре 10 година
LICENSE.md e5c38c3e8b README and LICENSE updates. пре 10 година
Make.inc 168467f09a As discussed in #69, this only requires a minor version number bump. пре 10 година
Makefile bc3f903bc2 Move public headers into include/ and private headers into src/. пре 10 година
README.md 769a422f06 Enable tests on OS X too. пре 10 година
Symbol.map 16b9264f9d Import entire msun from FreeBSD. пре 13 година
openlibm.pc.in 5b16546ddd Added pkg-config support пре 10 година

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.

History

The OpenLibm code derives from the FreeBSD msun and OpenBSD libm implementations, which in turn derives from FDLIBM 5.3. As a result, it includes a number of fixes and updates to FDLIBM that have accumulated over the years in msun, and optimized versions of many functions.

Platform support

OpenLibm builds on Linux, Mac OS X, and Windows, and with little effort, should build on FreeBSD as well. It builds with both GCC and clang. Although largely tested on x86, it also includes experimental support for ARM. The original msun also includes support for mips, sparc64, powerpc, ia64, and alpha. These are present in the OpenLibm source tree, but no attempt has been made to build any of these.

Build instructions

  1. make or make USEGCC=1 to build with GCC. This is the default on Linux and Windows.
  2. make USECLANG=1 to build with clang. This is the default on OS X.