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relibc_openlibm
Milan Bouchet-Valat e836b30cc7 Avoid defining __pure2 if already defined hace 9 años
amd64 2c3f3b5a99 Cleanup bsd_cdefs.h, merge i387 and amd64 duplicate files hace 9 años
arm 388f0f1d32 Remove unused Symbol.map files. hace 10 años
bsdsrc 7e5585aaca Rename openlibm.h to openlibm_math.h. hace 10 años
i387 0df58e7ae3 Use quotes instead of <> with #include for private headers hace 9 años
include c3b18b1096 Revert "Fix #35" hace 9 años
ld128 78c0afb2a7 Rename _scan_nan() to __scan_nan(). hace 9 años
ld80 2c3f3b5a99 Cleanup bsd_cdefs.h, merge i387 and amd64 duplicate files hace 9 años
powerpc 830dc991f3 Support powerpc hace 9 años
src e836b30cc7 Avoid defining __pure2 if already defined hace 9 años
test 02e0bbc7c5 Revert "Add -fno-builtin to the tests as well." hace 9 años
.gitignore 0c307a220b add .pc to .gitignore hace 10 años
.mailmap f5d2bc53f9 Add mailmap hace 12 años
.travis.sh 0aef1f7009 Clean up and test make clean hace 9 años
.travis.yml 5473e8b27d Disable OS X tests for now. hace 10 años
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Make.inc 4a1b310f91 Add -fno-builtin for gcc too. hace 9 años
Makefile 5840cef4ad Install all the headers in includdir/openlibm hace 9 años
README.md f3d5009367 Fix #57 hace 9 años
openlibm.pc.in 5b16546ddd Added pkg-config support hace 10 años

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.