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Fork of the OpenLibm math library with fx-9860G and fx-CG 50 support.
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Phillip Johnston 0418324ca4 Refactor: OLM_DLLEXPORT definition now lives in a standalone header. 
On x86_64, openlibm_fenv.h is silently coupled to openlibm_complex.h due to the inclusion of math_private.h inside of openlibm_fenv_amd64.h. The math_private.h header was included to gain access to the OLM_DLLEXPORT macro. However, this macro is redefined, since it is originally defined in openlibm_math.h. This inclusion also exposes math_private.h to public clients, which is undesirable.

Instead, a standalone header is created to contain the OLM_DLLEXPORT definition. This header is used included in the appropriate files. openlibm_fenv_amd64.h is no longer coupled to math_private.h.
2020-06-10 15:57:08 -07:00
.github Update FUNDING.yml 2020-02-06 05:11:46 -05:00
aarch64 Cleanup ARCH handling, reorganize AArch64 and Make.inc. 2017-01-16 11:44:14 -08:00
amd64 Fix undefined reference to __fpgetprec on i386 2016-06-23 23:32:31 -04:00
arm Remove unused Symbol.map files. 2015-02-01 19:41:55 +05:30
bsdsrc WIP: Enable build on aarch64 2016-04-08 19:37:13 +02:00
docs Add musl-libc math library to resources. 2019-12-09 21:56:36 -05:00
i387 Fix invalid assembly directive caught by clang 2016-08-21 18:45:29 -04:00
include Refactor: OLM_DLLEXPORT definition now lives in a standalone header. 2020-06-10 15:57:08 -07:00
ld80 Fix undefined reference to __fpgetprec on i386 2016-06-23 23:32:31 -04:00
ld128 Fix compilation on AArch64 2017-10-21 09:58:16 -04:00
mips Using cdefs-compat.h and stdint.h instead <sys/types.h> 2018-06-04 09:38:27 +00:00
powerpc Support powerpc 2016-02-23 11:08:14 +00:00
s390 s390(x) port 2018-11-07 12:11:15 +01:00
src Refactor: OLM_DLLEXPORT definition now lives in a standalone header. 2020-06-10 15:57:08 -07:00
test update ULPs for s390 (#187) 2018-11-12 12:04:56 -08:00
wasm32 wasm32 support (#192) 2019-04-14 15:11:03 -07:00
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.travis.yml travis: Add mips, mipsel, mips64el build. 2018-06-04 10:02:35 +00:00
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LICENSE.md Update references to JuliaLang to point to JuliaMath (#182) 2018-06-18 14:48:23 -07:00
Make.inc Bump SONAME as discussed in #200 2019-12-09 21:43:44 -05:00
Makefile wasm32 support (#192) 2019-04-14 15:11:03 -07:00
openlibm.pc.in Update references to JuliaLang to point to JuliaMath (#182) 2018-06-18 14:48:23 -07:00
README.md Update README with new OS and arch support 2019-12-09 21:38:44 -05:00

README.md

OpenLibm

Travis AppVeyor

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, macOS, Windows, FreeBSD, OpenBSD, NetBSD, and DragonFly BSD. It builds with both GCC and clang. Although largely tested and widely used on the x86 and x86-64 architectures, OpenLibm also supports arm, aarch64, ppc64le, mips, wasm32, and s390(x).

Build instructions

  1. Use GNU Make to build OpenLibm. This is make on most systems, but gmake on BSDs.
  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, FreeBSD, and OpenBSD.
  4. Use make ARCH=wasm32 to build the wasm32 library with clang. Requires clang-8.
  5. 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.

Acknowledgements

PowerPC support for openlibm was graciously sponsored by IBM.