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23 lines
917 B
Markdown
23 lines
917 B
Markdown
## OpenLibm
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OpenLibm is an effort to have a high quality standalone LIBM
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library. It is meant to be used standalone in applications and
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programming language implementations.
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OpenLibm also includes the AMOS library from Netlib, which is
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a portable package for Bessel Functions of a Complex Argument
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and Nonnegative Order. AMOS contains subroutines for computing Bessel
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functions and Airy functions.
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OpenLibm builds on Linux, Mac OS X, and Windows, and with little effort,
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should build on FreeBSD as well. It builds with both, GCC and clang.
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The OpenLIBM code derives from the FreeBSD msun implementation, which
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in turn derives from FDLIBM 5.3. As a result, it has a number of fixes and
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updates that have accumulated over the years in msun, and also optimized
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assembly versions of many functions.
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### Build instructions:
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1. `make` or `make USEGCC=1` to build with GCC.
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2. `make USECLANG=1` to build with clang.
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