1// Copyright (C) 1999-2015 Free Software Foundation, Inc. 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// Test to see whether the host provides its own (inline) view of fabs. 19// Origin: Kurt Garloff <kurt@garloff.de>, 2001-05-24 20// dg-do link 21 22#include <cmath> 23#include <cstdio> 24 25typedef double (*realfn) (double); 26 27using std::fabs; 28 29int main () 30{ 31 double a = fabs (-2.4); 32 realfn myfn = fabs; 33 double b = myfn (-2.5); 34 std::printf ("%f, %f, %p\n", a, b, myfn); 35 return 0; 36} 37