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From: zhenggen@public1.ptt.js.cn (zhenggen)
Newsgroups: comp.lang.ada
Subject: Re: Problems with gcc, gnat and RedHat 8
Date: 11 Oct 2002 08:23:17 -0700
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> ** sin(x) > 1 ?
> ** What I do wrong here ?  Or something wrong in RH8's Ada ?
> 
> reinert

I have met the same problem. After a careful examination I found that
it maybe caused by the implementation of a-numaux.adb. In early
version of gnat(say 3.13p), there is no such a file.  Spec file
a-numaux.ads declares and imports all math functions from C
library(libmath.a). In GCC 3.2,however, a-numaux.adb is provided and
the functions like sin and cos are implemented using inlined FPU asm
instruction of x86 CPU! There is a bug report about this problem in
gcc bug report database. One can work around it by importing these
functions from C math library.