1 /* Emulation for ceill.
2 Contributed by Paolo Bonzini
4 Copyright 2002, 2003 Free Software Foundation, Inc.
6 This file is part of gnulib.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation,
20 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
26 /* To compute the integer part of X, sum a big enough
27 integer so that the precision of the floating point
28 number is exactly 1. */
35 y = -(1.0L / LDBL_EPSILON - x - 1.0 / LDBL_EPSILON);
37 y = 1.0L / LDBL_EPSILON + x - 1.0 / LDBL_EPSILON;