1 /* Return nonzero value if number is negative. 2 Copyright (C) 1997-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <math.h> 20 #include <math_ldbl_opt.h> 21 22 int ___signbitl(long double x)23___signbitl (long double x) 24 { 25 return __builtin_signbitl (x); 26 } 27 #if IS_IN (libm) 28 long_double_symbol (libm, ___signbitl, __signbitl); 29 #else 30 long_double_symbol (libc, ___signbitl, __signbitl); 31 #endif 32