Date: Mon, 31 Mar 2003 14:46:05 +0800 From: Ying-Chieh Liao <ijliao@FreeBSD.org> To: questions@FreeBSD.org Cc: current@FreeBSD.org Subject: isnan() with gcc 3.2.2 on FreeBSD 5.0-C Message-ID: <20030331064605.GA42030@terry.dragon2.net>
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the following code snippet works fine with gcc 2.95.4 on RELENG_4
but failed on my -current
<code>
#include <iostream>
#include <cmath>
using namespace std;
int main(void)
{
cout << isnan(1.0) << endl;
return 0;
}
</code>
<err>
test.cpp: In function `int main()':
test.cpp:8: `isnan' undeclared (first use this function)
test.cpp:8: (Each undeclared identifier is reported only once for each function
it appears in.)
</err>
what's wrong with my system ? or what can I do for it ?
--
int i;main(){for(;i["]<i;++i){--i;}"];read('-'-'-',i+++"hell\
o, world!\n",'/'/'/'));}read(j,i,p){write(j/p+p,i---j,i/i);}
-- IOCCC 1984
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