gcc/libstdc++-v3/testsuite/26_numerics/fabs_inline.cc

38 lines
1.2 KiB
C++

// Copyright (C) 1999 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// Test to see whether the host provides its own (inline) view of fabs.
// Origin: Kurt Garloff <kurt@garloff.de>, 2001-05-24
// dg-do link
#include <cmath>
#include <cstdio>
typedef double (*realfn) (double);
using std::fabs;
int main ()
{
double a = fabs (-2.4);
realfn myfn = fabs;
double b = myfn (-2.5);
printf ("%f, %f, %p\n", a, b, myfn);
return 0;
}