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relibc_openlibm
Viral B. Shah d8c909a980 Add all the complex declarations to openlibm.h. %!s(int64=10) %!d(string=hai) anos
amd64 8b3b520675 Fix #35 %!s(int64=10) %!d(string=hai) anos
arm 6146957c5e Use uint32_t on ARM, not non-standard __uint32_t %!s(int64=10) %!d(string=hai) anos
bsdsrc ec41733ce8 add DLLEXPORT to bsdsrc files %!s(int64=11) %!d(string=hai) anos
i387 923ff3768f don't use system machine/npx.h on OS X either, since it may not exists and isn't necessary %!s(int64=10) %!d(string=hai) anos
ia64 0affa5be19 Enable stack protection in all .S files %!s(int64=11) %!d(string=hai) anos
include 4cb9231f1a Removed some uses of sys/types.h %!s(int64=10) %!d(string=hai) anos
ld128 52c901a68c Import long double versions from OpenBSD. %!s(int64=10) %!d(string=hai) anos
ld80 9ecf223fc1 Get the ld80 routines from OpenBSD to build on mac and linux. %!s(int64=10) %!d(string=hai) anos
mips 00e0e7e5ee Add Make.files for all architectures. %!s(int64=12) %!d(string=hai) anos
powerpc 00e0e7e5ee Add Make.files for all architectures. %!s(int64=12) %!d(string=hai) anos
sparc64 0affa5be19 Enable stack protection in all .S files %!s(int64=11) %!d(string=hai) anos
src d8c909a980 Add all the complex declarations to openlibm.h. %!s(int64=10) %!d(string=hai) anos
test 691b989ba3 Remove files with problematic license. Fix #33. %!s(int64=10) %!d(string=hai) anos
.gitignore 0c307a220b add .pc to .gitignore %!s(int64=10) %!d(string=hai) anos
.mailmap f5d2bc53f9 Add mailmap %!s(int64=12) %!d(string=hai) anos
LICENSE.md 1367cb053b Update licenses - the test files are LGPL'ed. %!s(int64=10) %!d(string=hai) anos
Make.inc 9ecf223fc1 Get the ld80 routines from OpenBSD to build on mac and linux. %!s(int64=10) %!d(string=hai) anos
Makefile 1f77ae0208 Separate SOVERSION from release version %!s(int64=10) %!d(string=hai) anos
README.md 532fe48cfd Add OpenLibm url - http://openlibm.org/ %!s(int64=10) %!d(string=hai) anos
Symbol.map 16b9264f9d Import entire msun from FreeBSD. %!s(int64=13) %!d(string=hai) anos
openlibm.pc.in 5b16546ddd Added pkg-config support %!s(int64=10) %!d(string=hai) anos

README.md

OpenLibm

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 implementation, 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.