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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
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Toon Moene 2002-08-05 11:23:43 +02:00 committed by Toon Moene
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2 changed files with 8 additions and 4 deletions
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@ -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.

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gcc/f/invoke.texi
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@ -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