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Diffstat (limited to 'Doc/lib/libstring.tex')
| -rw-r--r-- | Doc/lib/libstring.tex | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/Doc/lib/libstring.tex b/Doc/lib/libstring.tex index 56dcf6d..a83d821 100644 --- a/Doc/lib/libstring.tex +++ b/Doc/lib/libstring.tex @@ -59,11 +59,15 @@ The functions defined in this module are: \begin{funcdesc}{atof}{s} Convert a string to a floating point number. The string must have the standard syntax for a floating point literal in Python, - optionally preceded by a sign (\samp{+} or \samp{-}), or be - \code{'NaN'} (case insensitive) to indicate the IEEE ``Not a - Number'' value. Note that this behaves identical to the built-in - function \function{float()}\bifuncindex{float} when passed a - string. + optionally preceded by a sign (\samp{+} or \samp{-}). Note that + this behaves identical to the built-in function + \function{float()}\bifuncindex{float} when passed a string. + + \strong{Note:} When passing in a string, values for NaN\index{NaN} + and Infinity\index{Infinity} may be returned, depending on the + underlying C library. The specific set of strings accepted which + cause these values to be returned depends entirely on the C library + and is known to vary. \end{funcdesc} \begin{funcdesc}{atoi}{s\optional{, base}} |