freebsd-ports/math/py-fpconst/pkg-descr

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This python module implements constants and functions for working with
IEEE754 double-precision special values. It provides constants for
Not-a-Number (NaN), Positive Infinity (Inf), and Negative Infinity (-Inf),
as well as functions to test for these values.
WWW: http://research.warnes.net/projects/RStatServer/fpconst/