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relibc_openlibm
Thomas Leonard 9101f61238 Added Travis test script há 10 anos atrás
amd64 8b3b520675 Fix #35 há 10 anos atrás
arm 6146957c5e Use uint32_t on ARM, not non-standard __uint32_t há 10 anos atrás
bsdsrc ec41733ce8 add DLLEXPORT to bsdsrc files há 11 anos atrás
i387 923ff3768f don't use system machine/npx.h on OS X either, since it may not exists and isn't necessary há 10 anos atrás
include 4cb9231f1a Removed some uses of sys/types.h há 10 anos atrás
ld128 52c901a68c Import long double versions from OpenBSD. há 10 anos atrás
ld80 9ecf223fc1 Get the ld80 routines from OpenBSD to build on mac and linux. há 10 anos atrás
src 9c1af7f81e Don't build complex long double functions on ARM há 10 anos atrás
test d5140c2d34 change include path to build on linux, fix .gitignore há 10 anos atrás
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.travis.sh 9101f61238 Added Travis test script há 10 anos atrás
.travis.yml 9101f61238 Added Travis test script há 10 anos atrás
LICENSE.md e5c38c3e8b README and LICENSE updates. há 10 anos atrás
Make.inc 168467f09a As discussed in #69, this only requires a minor version number bump. há 10 anos atrás
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README.md e5c38c3e8b README and LICENSE updates. há 10 anos atrás
Symbol.map 16b9264f9d Import entire msun from FreeBSD. há 13 anos atrás
openlibm.pc.in 5b16546ddd Added pkg-config support há 10 anos atrás

README.md

OpenLibm

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.