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 gnulib is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published
10 by the Free Software Foundation; either version 2.1, or (at your option)
13 gnulib is distributed in the hope that it will be useful, but WITHOUT
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
16 License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with gnulib; see the file COPYING.LIB. If not, write to the Free
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
28 /* To compute the integer part of X, sum a big enough
29 integer so that the precision of the floating point
30 number is exactly 1. */
37 y = -(1.0L / LDBL_EPSILON - x - 1.0 / LDBL_EPSILON);
39 y = 1.0L / LDBL_EPSILON + x - 1.0 / LDBL_EPSILON;