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Ed Schouten 7e5585aaca Rename openlibm.h to openlibm_math.h. 
This is a bit more consistent with the naming of the other header files
(openlibm_complex.h and openlibm_fenv.h). Re-add an openlibm.h header
that includes all of the public headers as a shorthand.

Fix up all of the source files to include <openlibm_math.h> instead of
<openlibm.h>. While there, fix ordering of the includes.
 		2015-01-11 23:37:01 +01:00
amd64 Remove $ARCH/openlibm_fenv.h. 2015-01-11 18:55:04 +01:00
arm Remove $ARCH/openlibm_fenv.h. 2015-01-11 18:55:04 +01:00
bsdsrc Rename openlibm.h to openlibm_math.h. 2015-01-11 23:37:01 +01:00
i387 Remove $ARCH/openlibm_fenv.h. 2015-01-11 18:55:04 +01:00
include Rename openlibm.h to openlibm_math.h. 2015-01-11 23:37:01 +01:00
ld80 Rename openlibm.h to openlibm_math.h. 2015-01-11 23:37:01 +01:00
ld128 Rename openlibm.h to openlibm_math.h. 2015-01-11 23:37:01 +01:00
src Rename openlibm.h to openlibm_math.h. 2015-01-11 23:37:01 +01:00
test Rename openlibm.h to openlibm_math.h. 2015-01-11 23:37:01 +01:00
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.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 Move public headers into include/ and private headers into src/. 2015-01-11 16:35:32 +01:00
README.md Enable tests on OS X too. 2015-01-05 23:48:29 +05:30
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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.