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Fork of the OpenLibm math library with fx-9860G and fx-CG 50 support.
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Ed Schouten a249c5ebb3 Simply use __imag__ to implement cimag(). 
We already use this construct in cabs() to call hypot(), so I guess we
can assume our targeted compilers support this construct.
2015-01-09 13:40:29 +01:00
amd64 Rename include/fenv.h to <openlibm_fenv.h>. 2015-01-09 13:11:12 +01:00
arm Rename include/fenv.h to <openlibm_fenv.h>. 2015-01-09 13:11:12 +01:00
bsdsrc Prevent the use of deprecated or internal functions if possible. 2015-01-07 22:07:48 +01:00
i387 Rename include/fenv.h to <openlibm_fenv.h>. 2015-01-09 13:11:12 +01:00
include Rename include/fenv.h to <openlibm_fenv.h>. 2015-01-09 13:11:12 +01:00
ld80 Add lgammal_r(). 2015-01-08 11:23:28 +01:00
ld128 Use <openlibm.h> consistently. 2015-01-09 13:15:01 +01:00
src Simply use __imag__ to implement cimag(). 2015-01-09 13:40:29 +01:00
test Rename include/fenv.h to <openlibm_fenv.h>. 2015-01-09 13:11:12 +01:00
.gitignore add .pc to .gitignore 2014-06-20 10:08:16 -04:00
.mailmap Add mailmap 2012-08-24 20:53:18 +05:30
.travis.sh Added Travis test script 2015-01-05 11:36:43 +00:00
.travis.yml try being consistent about quoting to disable arm build from osx 2015-01-06 21:37:28 -08:00
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 add -f flag to cp in install target 2015-01-06 21:26:48 -08:00
openlibm.pc.in Added pkg-config support 2014-05-19 15:30:10 +01:00
README.md Enable tests on OS X too. 2015-01-05 23:48:29 +05:30
Symbol.map Import entire msun from FreeBSD. 2011-12-15 11:29:35 +05:30

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.