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Merged changes from the 1.5.2p2 release.

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Fred Drake 2000-04-03 20:13:55 +00:00
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Doc/lib/libmath.tex
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@ -5,7 +5,19 @@
\modulesynopsis{Mathematical functions (\function{sin()} etc.).}
This module is always available. It provides access to the
mathematical functions defined by the C standard. They are:
mathematical functions defined by the C standard.
These functions cannot be used with complex numbers; use the functions
of the same name from the \refmodule{cmath} module if you require
support for complex numbers. The distinction between functions which
support complex numbers and those which don't is made since most users
do not want to learn quite as much mathematics as required to
understand complex numbers. Receiving an exception instead of a
complex result allows earlier detection of the unexpected complex
number used as a parameter, so that the programmer can determine how
and why it was generated in the first place.
The following functions provided by this module:
\begin{funcdesc}{acos}{x}
Return the arc cosine of \var{x}.