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| -rw-r--r-- | Doc/lib/libmath.tex | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Doc/lib/libmath.tex b/Doc/lib/libmath.tex index 0571b18..5f1d86f 100644 --- a/Doc/lib/libmath.tex +++ b/Doc/lib/libmath.tex @@ -17,7 +17,7 @@ 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: +The following functions are provided by this module: \begin{funcdesc}{acos}{x} Return the arc cosine of \var{x}. @@ -145,6 +145,16 @@ The mathematical constant \emph{pi}. The mathematical constant \emph{e}. \end{datadesc} +\begin{notice} + Specific exceptions raised in assorted error cases (and even whether some + arguments are considered to be exceptional at all) are not defined in any + useful cross-platform or cross-release way. For example, whether + \code{math.log(0)} returns \code{-Inf} or raises \exception{ValueError} or + \exception{OverflowError} is both platform- and release-dependent, and in + cases where \code{math.log(0)} raises an \exception{OverflowError}, + \code{math.log(0L)} often raises a \exception{ValueError}. +\end{notice} + \begin{seealso} \seemodule{cmath}{Complex number versions of many of these functions.} \end{seealso} |