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README and LICENSE updates.

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Viral B. Shah 2014-12-05 00:44:29 +05:30
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LICENSE.md
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OpenLibm contains code that is covered by various licenses. OpenLibm contains code that is covered by various licenses.
The OpenLibm code derives from the FreeBSD msun implementation, which The OpenLibm code derives from the FreeBSD msun and OpenBSD libm
in turn derives from FDLIBM 5.3. As a result, it has a number of fixes implementations, which in turn derives from FDLIBM 5.3. As a result, it
and updates that have accumulated over the years in msun, and also has a number of fixes and updates that have accumulated over the years
optimized assembly versions of many functions. These improvements are in msun, and also optimized assembly versions of many functions. These
provided under the BSD and ISC licenses. The msun library also improvements are provided under the BSD and ISC licenses. The msun
includes work placed under the public domain, which is noted in the library also includes work placed under the public domain, which is
individual files. Further work on making a standalone OpenLibm library noted in the individual files. Further work on making a standalone
from msun, as part of the Julia project is covered under the MIT OpenLibm library from msun, as part of the Julia project is covered
license. The test files, test-double.c and test-float.c are under the under the MIT license. The test files, test-double.c and test-float.c
LGPL. are under the LGPL.
## Parts copyrighted by the Julia project (MIT License) ## Parts copyrighted by the Julia project (MIT License)

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README.md
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[OpenLibm](http://www.openlibm.org) is an effort to have a high quality, portable, standalone [OpenLibm](http://www.openlibm.org) is an effort to have a high quality, portable, standalone
C mathematical library ([`libm`](http://en.wikipedia.org/wiki/libm)). C mathematical library ([`libm`](http://en.wikipedia.org/wiki/libm)).
It can be used standalone in applications and programming language It can be used standalone in applications and programming language
implementations. implementations.
The project was born out of a need to have a good `libm` for the The project was born out of a need to have a good `libm` for the
[Julia programming langage](http://www.julialang.org) that worked [Julia programming langage](http://www.julialang.org) that worked
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### History ### History
The OpenLibm code derives from the [FreeBSD The OpenLibm code derives from the [FreeBSD
msun](http://svnweb.freebsd.org/base/head/lib/msun/) implementation, msun](http://svnweb.freebsd.org/base/head/lib/msun/) and [OpenBSD
which in turn derives from [FDLIBM libm](http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libm/src/)
implementations, which in turn derives from [FDLIBM
5.3](http://www.netlib.org/fdlibm/). As a result, it includes a number 5.3](http://www.netlib.org/fdlibm/). As a result, it includes a number
of fixes and updates to FDLIBM that have accumulated over the years in of fixes and updates to FDLIBM that have accumulated over the years in
`msun`, and optimized versions of many functions. `msun`, and optimized versions of many functions.
@ -31,5 +32,5 @@ source tree, but no attempt has been made to build any of these.
### Build instructions ### Build instructions
1. `make` or `make USEGCC=1` to build with GCC. This is the default on 1. `make` or `make USEGCC=1` to build with GCC. This is the default on
Linux and Windows. Linux and Windows.
2. `make USECLANG=1` to build with clang. This is the default on OS X. 2. `make USECLANG=1` to build with clang. This is the default on OS X.