/* Test for bug 19439. Copyright (C) 2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Marek Polacek , 2012. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #define _GNU_SOURCE 1 #include #include #include static int do_test (void) { /* Verify that isinff, isinfl, isnanf, and isnanlf are defined in the header under C++11 and can be called. Without the header fix this test will not compile. */ if (isinff (1.0f) || !isinff (INFINITY) || isinfl (1.0L) || !isinfl (INFINITY) || isnanf (2.0f) || !isnanf (NAN) || isnanl (2.0L) || !isnanl (NAN)) { printf ("FAIL: Failed to call is* functions.\n"); exit (1); } printf ("PASS: Able to call isinff, isinfl, isnanf, and isnanl.\n"); exit (0); } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"