// Copyright (C) 1999, 2002, 2009 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 3, 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 COPYING3. If not see // . // Test to see whether the host provides its own (inline) view of fabs. // Origin: Kurt Garloff , 2001-05-24 // dg-do link #include #include typedef double (*realfn) (double); using std::fabs; int main () { double a = fabs (-2.4); realfn myfn = fabs; double b = myfn (-2.5); std::printf ("%f, %f, %p\n", a, b, myfn); return 0; }