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Дерево: 06dbb6e72b
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relibc_openlibm
Ed Schouten 06dbb6e72b Use more uniform style of including headers. 10 лет назад
amd64 06dbb6e72b Use more uniform style of including headers. 10 лет назад
arm 17688c4487 Rename include/fenv.h to <openlibm_fenv.h>. 10 лет назад
bsdsrc 71f60ec632 Prevent the use of deprecated or internal functions if possible. 10 лет назад
i387 17688c4487 Rename include/fenv.h to <openlibm_fenv.h>. 10 лет назад
include 17688c4487 Rename include/fenv.h to <openlibm_fenv.h>. 10 лет назад
ld128 06dbb6e72b Use more uniform style of including headers. 10 лет назад
ld80 06dbb6e72b Use more uniform style of including headers. 10 лет назад
src 06dbb6e72b Use more uniform style of including headers. 10 лет назад
test 8429b82a93 Use proper floating point literals. 10 лет назад
.gitignore 0c307a220b add .pc to .gitignore 10 лет назад
.mailmap f5d2bc53f9 Add mailmap 12 лет назад
.travis.sh 9101f61238 Added Travis test script 10 лет назад
.travis.yml ecfaad0dec try being consistent about quoting to disable arm build from osx 10 лет назад
LICENSE.md e5c38c3e8b README and LICENSE updates. 10 лет назад
Make.inc 168467f09a As discussed in #69, this only requires a minor version number bump. 10 лет назад
Makefile 619f810223 add -f flag to cp in install target 10 лет назад
README.md 769a422f06 Enable tests on OS X too. 10 лет назад
Symbol.map 16b9264f9d Import entire msun from FreeBSD. 13 лет назад
openlibm.pc.in 5b16546ddd Added pkg-config support 10 лет назад

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.