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| author | Toon Moene <toon@moene.indiv.nluug.nl> | 2002-08-05 11:23:43 +0200 |
|---|---|---|
| committer | Toon Moene <toon@gcc.gnu.org> | 2002-08-05 09:23:43 +0000 |
| commit | 97768ccc14d5428b7d297d1414f72cdf99148e90 (patch) | |
| tree | 8b35b0fe7749e835d29ec0845740f31feccdc29f /gcc/f | |
| parent | f662469ef18bafe9aec8cb9681fb68a076ce4049 (diff) | |
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invoke.texi: Improve description of -fno-finite-math-only flag.
2002-08-05 Toon Moene <toon@moene.indiv.nluug.nl>
* invoke.texi: Improve description of
-fno-finite-math-only flag.
From-SVN: r56048
Diffstat (limited to 'gcc/f')
| -rw-r--r-- | gcc/f/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/f/invoke.texi | 7 |
2 files changed, 8 insertions, 4 deletions
diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog index 4f7f74e..03f5d7d 100644 --- a/gcc/f/ChangeLog +++ b/gcc/f/ChangeLog @@ -1,3 +1,8 @@ +2002-08-05 Toon Moene <toon@moene.indiv.nluug.nl> + + * invoke.texi: Improve description of + -fno-finite-math-only flag. + Sun Aug 4 16:45:49 2002 Joseph S. Myers <jsm@polyomino.org.uk> * root.texi (version-gcc): Increase to 3.3. diff --git a/gcc/f/invoke.texi b/gcc/f/invoke.texi index 77c1c39b..6bc3910 100644 --- a/gcc/f/invoke.texi +++ b/gcc/f/invoke.texi @@ -1555,11 +1555,10 @@ for certain IEEE inputs. @cindex options, -fno-finite-math-only @item -fno-finite-math-only Fortran specifies all arithmetic that can result in a NaN or an -infinity as "giving undefined results", therefore the compiler +infinity as ``giving undefined results'', therefore the compiler by default operates in a way that assumes no NaNs or +-Inf can -be generated. If you want to use a NaN or an Inf produced by -means other than Fortran, use this option to compile your -Fortran program. +be generated. If your program might generate or use NaNs or +infinities, then you should use this option. @cindex -fno-trapping-math option @cindex options, -fno-trapping-math |