From: Toon Moene Date: Mon, 5 Aug 2002 09:23:43 +0000 (+0200) Subject: invoke.texi: Improve description of -fno-finite-math-only flag. X-Git-Tag: releases/gcc-3.3.0~3432 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=97768ccc14d5428b7d297d1414f72cdf99148e90;p=thirdparty%2Fgcc.git invoke.texi: Improve description of -fno-finite-math-only flag. 2002-08-05 Toon Moene * invoke.texi: Improve description of -fno-finite-math-only flag. From-SVN: r56048 --- diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog index 4f7f74e190fa..03f5d7d05456 100644 --- a/gcc/f/ChangeLog +++ b/gcc/f/ChangeLog @@ -1,3 +1,8 @@ +2002-08-05 Toon Moene + + * invoke.texi: Improve description of + -fno-finite-math-only flag. + Sun Aug 4 16:45:49 2002 Joseph S. Myers * root.texi (version-gcc): Increase to 3.3. diff --git a/gcc/f/invoke.texi b/gcc/f/invoke.texi index 77c1c39b1ad4..6bc3910477bd 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