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Fork of the OpenLibm math library with fx-9860G and fx-CG 50 support.
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Keno Fischer 81053b7fcb Fix Clang warnings on Windows 
- Align DLLEXPORT in definitions and declations. There is still a few
  cases left, where the declation in the compiler's complex.h disagrees
  with the implementation here. For now we can't do anything about that,
  but maybe should be revisited in the future.
- Fix the syntax on an .ascii directive that gcc accepted mistakingly, but
  clang does not.
2016-03-13 06:21:15 +00:00
amd64 Fix Clang warnings on Windows 2016-03-13 06:21:15 +00:00
arm Remove unused Symbol.map files. 2015-02-01 19:41:55 +05:30
bsdsrc Rename openlibm.h to openlibm_math.h. 2015-01-11 23:37:01 +01:00
i387 Use quotes instead of <> with #include for private headers 2016-03-03 17:28:06 +01:00
include Fix Clang warnings on Windows 2016-03-13 06:21:15 +00:00
ld80 Fix Clang warnings on Windows 2016-03-13 06:21:15 +00:00
ld128 Fix Clang warnings on Windows 2016-03-13 06:21:15 +00:00
powerpc Support powerpc 2016-02-23 11:08:14 +00:00
src Fix Clang warnings on Windows 2016-03-13 06:21:15 +00:00
test Revert "Add -fno-builtin to the tests as well." 2016-03-02 23:34:32 +05:30
.gitignore add .pc to .gitignore 2014-06-20 10:08:16 -04:00
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.travis.sh Clean up and test make clean 2015-11-13 13:43:44 -05:00
.travis.yml Disable OS X tests for now. 2015-02-01 10:24:55 +05:30
LICENSE.md README and LICENSE updates. 2014-12-05 00:44:29 +05:30
Make.inc Add -fno-builtin for gcc too. 2016-02-28 00:02:49 +05:30
Makefile Install all the headers in includdir/openlibm 2016-02-24 10:34:57 +05:30
openlibm.pc.in Added pkg-config support 2014-05-19 15:30:10 +01:00
README.md Fix #57 2016-03-03 14:53:33 +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.

Platform support

OpenLibm builds on Linux, Mac OS X, Windows, FreeBSD, and OpenBSD. It builds with both GCC and clang. Although largely tested and widely used on x86 architectures, openlibm also supports ARM and powerPC.

Build instructions

  1. Use make to build OpenLibm.
  2. Use make USEGCC=1 to build with GCC. This is the default on Linux and Windows.
  3. Use make USECLANG=1 to build with clang. This is the default on OS X and FreeBSD.
  4. Architectures are auto-detected. Use make ARCH=i386 to force a build for i386. Other supported architectures are i486, i586, and i686. GCC 4.8 is the minimum requirement for correct codegen on older 32-bit architectures.
  5. On OpenBSD, you need to install GNU Make (port name: gmake) and a recent version of gcc (tested: 4.9.2), as the default version provided by OpenBSD is too old (4.2.1). If you use OpenBSD's port system for this (port name: gcc), run make CC=egcc to force Make to use the newer gcc.

Acknowledgements

PowerPC support for openlibm was graciously sponsored by IBM.