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authorRobby Workman <rworkman@slackbuilds.org>2011-03-16 01:13:49 -0500
committerRobby Workman <rworkman@slackbuilds.org>2011-03-20 12:33:01 -0500
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tree8987d0fc908e371dfa87445425f59c7514075b37 /python/python-bigfloat/README
parent987d45e99a299c3b24418b2976e8ec9d5f3bf404 (diff)
downloadslackbuilds-7a1b4848a3d34a263544fadf08178c91c12fbad0.tar.gz
python/*: Moved a lot of Python stuff here
The criteria for whether something "belongs" in Development or Libraries or Python or ... is admittedly arbitrary. As a general rule, if it could be either Libraries or Python, it's Python. Otherwise, pick one and we'll go from there... Signed-off-by: Robby Workman <rworkman@slackbuilds.org>
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+The bigfloat module is a Python wrapper for the MPFR library for arbitrary
+precision floating-point reliable arithmetic.
+
+The MPFR library is a well-known portable C library for arbitrary-precision
+arithmetic on floating-point numbers. It provides precise control over
+precisions and rounding modes and gives correctly-rounded reproducible
+platform-independent results.
+
+The bigfloat module aims to provide a convenient and friendly Python
+interface to the operations and functions provided by the MPFR library. The
+main class, BigFloat, gives an immutable multiple-precision floating-point
+type that can be freely mixed with Python integers and floats. The Context
+class, when used in conjunction with Pythons with statement, gives a simple
+way of controlling precisions and rounding modes. Additional module-level
+functions provide various standard mathematical operations. There is full
+support for IEEE 754 signed zeros, nans, infinities and subnormals.