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Fork of the OpenLibm math library with fx-9860G and fx-CG 50 support.
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Thomas Leonard 9c1af7f81e Don't build complex long double functions on ARM 
ARM doesn't have long doubles.
2015-01-05 11:36:43 +00:00
amd64 Fix #35 2014-12-04 21:41:37 +05:30
arm Use uint32_t on ARM, not non-standard __uint32_t 2014-11-27 15:58:19 +00:00
bsdsrc add DLLEXPORT to bsdsrc files 2013-08-04 10:04:16 -04:00
i387 don't use system machine/npx.h on OS X either, since it may not exists and isn't necessary 2014-06-27 17:45:02 -05:00
include Removed some uses of sys/types.h 2014-12-01 11:10:41 +00:00
ld80 Get the ld80 routines from OpenBSD to build on mac and linux. 2014-12-04 23:56:11 +05:30
ld128 Import long double versions from OpenBSD. 2014-12-04 23:11:16 +05:30
src Don't build complex long double functions on ARM 2015-01-05 11:36:43 +00:00
test change include path to build on linux, fix .gitignore 2014-12-05 09:33:07 +00:00
.gitignore add .pc to .gitignore 2014-06-20 10:08:16 -04:00
.mailmap Add mailmap 2012-08-24 20:53:18 +05:30
LICENSE.md README and LICENSE updates. 2014-12-05 00:44:29 +05:30
Make.inc As discussed in #69, this only requires a minor version number bump. 2014-12-05 10:35:30 +05:30
Makefile Remove test binaries too on "make clean" 2015-01-05 10:35:11 +00:00
openlibm.pc.in Added pkg-config support 2014-05-19 15:30:10 +01:00
README.md README and LICENSE updates. 2014-12-05 00:44:29 +05:30
Symbol.map Import entire msun from FreeBSD. 2011-12-15 11:29:35 +05:30

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 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.