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Diffstat (limited to 'Doc/lib/libfpectl.tex')
| -rw-r--r-- | Doc/lib/libfpectl.tex | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Doc/lib/libfpectl.tex b/Doc/lib/libfpectl.tex index 814e226..cca2314 100644 --- a/Doc/lib/libfpectl.tex +++ b/Doc/lib/libfpectl.tex @@ -7,6 +7,11 @@ \sectionauthor{Lee Busby}{busby1@llnl.gov} \modulesynopsis{Provide control for floating point exception handling.} +\note{The \module{fpectl} module is not built by default, and its usage + is discouraged and may be dangerous except in the hands of + experts. See also the section \ref{fpectl-limitations} on + limitations for more details.} + Most computers carry out floating point operations\index{IEEE-754} in conformance with the so-called IEEE-754 standard. On any real computer, @@ -95,7 +100,7 @@ FloatingPointError: in math_1 \end{verbatim} -\subsection{Limitations and other considerations} +\subsection{Limitations and other considerations \label{fpectl-limitations}} Setting up a given processor to trap IEEE-754 floating point errors currently requires custom code on a per-architecture basis. |