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27 lines
1 KiB
Markdown
27 lines
1 KiB
Markdown
# OpenLibm
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[](https://travis-ci.org/JuliaLang/openlibm)
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[OpenLibm](http://www.openlibm.org) is an effort to have a high quality, portable, standalone
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C mathematical library ([`libm`](http://en.wikipedia.org/wiki/libm)).
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It can be used standalone in applications and programming language
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implementations.
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The project was born out of a need to have a good `libm` for the
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[Julia programming langage](http://www.julialang.org) that worked
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consistently across compilers and operating systems, and in 32-bit and
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64-bit environments.
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## Platform support
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OpenLibm builds on Linux, Mac OS X, Windows, and FreeBSD. It builds
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with both GCC and clang. Although largely tested on x86, it also
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includes experimental support for ARM.
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## Build instructions
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1. Use `make` to build OpenLibm.
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2. Use `make USEGCC=1` to build with GCC. This is the default on
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Linux and Windows.
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3. Use `make USECLANG=1` to build with clang. This is the default on OS X
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and FreeBSD.
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