From 97768ccc14d5428b7d297d1414f72cdf99148e90 Mon Sep 17 00:00:00 2001 From: Toon Moene Date: Mon, 5 Aug 2002 11:23:43 +0200 Subject: [PATCH] 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 --- gcc/f/ChangeLog | 5 +++++ gcc/f/invoke.texi | 7 +++---- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog index 4f7f74e190f..03f5d7d0545 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 77c1c39b1ad..6bc3910477b 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 -- 2.30.2