1 /* Round towards zero. 2 Copyright (C) 2007, 2009-2021 Free Software Foundation, Inc. 3 4 This file is free software: you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 3 of the 7 License, or (at your option) any later version. 8 9 This file 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 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ 18 19 #include <config.h> 20 21 #if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE 22 23 /* Specification. */ 24 # include <math.h> 25 26 long double 27 truncl (long double x) /* */ 28 { 29 return trunc (x); 30 } 31 32 #else 33 34 # define USE_LONG_DOUBLE 35 # include "trunc.c" 36 37 #endif