1 /*
2  * Floating point check function for the TAP protocol.
3  *
4  * This file is part of C TAP Harness.  The current version plus supporting
5  * documentation is at <https://www.eyrie.org/~eagle/software/c-tap-harness/>.
6  *
7  * Copyright 2008, 2010, 2012, 2014, 2018 Russ Allbery <eagle@eyrie.org>
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining a
10  * copy of this software and associated documentation files (the "Software"),
11  * to deal in the Software without restriction, including without limitation
12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  * and/or sell copies of the Software, and to permit persons to whom the
14  * Software is furnished to do so, subject to the following conditions:
15  *
16  * The above copyright notice and this permission notice shall be included in
17  * all copies or substantial portions of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
22  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25  * DEALINGS IN THE SOFTWARE.
26  *
27  * SPDX-License-Identifier: MIT
28  */
29 
30 #ifndef TAP_FLOAT_H
31 #define TAP_FLOAT_H 1
32 
33 #include <tap/macros.h>
34 
35 BEGIN_DECLS
36 
37 /* Compare two values within epsilon. */
38 #ifndef LIBTEST_NEW_FORMAT
39 /* Specific to the integration of C TAP Harness in INN. */
40 void ok_double(int n, double wanted, double seen);
41 #endif
42 int is_double(double, double, double epsilon, const char *format, ...)
43     __attribute__((__format__(printf, 4, 5)));
44 
45 END_DECLS
46 
47 #endif /* TAP_FLOAT_H */
48