1 /* Test of modfl() function.
2 Copyright (C) 2010-2012 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program 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 General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */
23 #include "signature.h"
24 SIGNATURE_CHECK (modfl, long double, (long double, long double *));
29 volatile long double x;
36 DECL_LONG_DOUBLE_ROUNDING
38 BEGIN_LONG_DOUBLE_ROUNDING ();
40 /* A particular positive value. */
43 ASSERT (y >= 0.972406759L && y <= 0.972406761L);
46 /* A particular negative value. */
49 ASSERT (y >= -0.972406761L && y <= -0.972406759L);