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        <h1 class="header">OpenLibm</h1>
        <p class="header">A high quality system independent, portable, open source libm implementation</p>

        <ul>
          <li class="download"><a class="buttons" href="https://github.com/JuliaLang/openlibm/zipball/master">Download ZIP</a></li>
          <li class="download"><a class="buttons" href="https://github.com/JuliaLang/openlibm/tarball/master">Download TAR</a></li>
          <li><a class="buttons github" href="https://github.com/JuliaLang/openlibm">View On GitHub</a></li>
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        <p class="header">This project is maintained by <a class="header name" href="https://github.com/JuliaLang">JuliaLang</a></p>


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      <section>
        <h2>
<a id="openlibm" class="anchor" href="#openlibm" aria-hidden="true"><span class="octicon octicon-link"></span></a>OpenLibm</h2>

<p><a href="http://www.openlibm.org">OpenLibm</a> is an effort to have a high quality, portable, standalone
C mathematical library (<a href="http://en.wikipedia.org/wiki/libm"><code>libm</code></a>).
It can be used standalone in applications and programming language
implementations.</p>

<p>The project was born out of a need to have a good <code>libm</code> for the
<a href="http://www.julialang.org">Julia programming langage</a> that worked
consistently across compilers and operating systems, and in 32-bit and
64-bit environments.</p>

<h3>
<a id="history" class="anchor" href="#history" aria-hidden="true"><span class="octicon octicon-link"></span></a>History</h3>

<p>The OpenLibm code derives from the <a href="http://svnweb.freebsd.org/base/head/lib/msun/">FreeBSD
msun</a> and <a href="http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libm/src/">OpenBSD
libm</a>
implementations, which in turn derive from <a href="http://www.netlib.org/fdlibm/">FDLIBM
5.3</a>. Over and above that, OpenLibm itself has received a number of patches to make it platform independent and portable.</p>

<h3>
<a id="platform-support" class="anchor" href="#platform-support" aria-hidden="true"><span class="octicon octicon-link"></span></a>Platform support</h3>

<p>OpenLibm builds on Linux, Mac OS X, Windows, and FreeBSD.  It
builds with both, GCC and clang. Although largely tested on x86, it
also includes experimental support for ARM.

<h3>
<a id="other-relevant-projects" class="anchor" href="#other-relevant-projects" aria-hidden="true"><span class="octicon octicon-link"></span></a>Other relevant projects</h3>

<ol>
  <li> <a href="http://www.netlib.org/fdlibm/">FDLIBM</a>: Freely Distributable Math Library</li>
  <li> <a href="http://lipforge.ens-lyon.fr/www/crlibm/">CRlibm</a>: Correctly Rounded mathematical library</li>
  <li> <a href="http://www.yeppp.info/">Yeppp!</a>: A high-performance SIMD-optimized mathematical library</li>
  <li> <a href="https://software.intel.com/sites/products/documentation/doclib/mkl_sa/112/vml/vmldata.htm">Intel VML</a>: Intel's Vector Math Library</li>
</ol>

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