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1 /*
2  * Copyright © 2019 Red Hat, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21  * DEALINGS IN THE SOFTWARE.
22  */
23 
24 #pragma once
25 
26 #include <check.h>
27 
28 #undef ck_assert_double_eq
29 #undef ck_assert_double_ne
30 #undef ck_assert_double_lt
31 #undef ck_assert_double_le
32 #undef ck_assert_double_gt
33 #undef ck_assert_double_ge
34 #undef ck_assert_double_eq_tol
35 #undef ck_assert_double_ne_tol
36 
37 #define CK_DOUBLE_EQ_EPSILON 1E-3
38 #define _ck_assert_double_eq(X,Y, epsilon)  \
39 	do { \
40 		double _ck_x = X; \
41 		double _ck_y = Y; \
42 		ck_assert_msg(fabs(_ck_x - _ck_y) < epsilon, \
43 			      "Assertion '" #X " == " #Y \
44 			      "' failed: "#X"==%f, "#Y"==%f", \
45 			      _ck_x, \
46 			      _ck_y); \
47 	} while (0)
48 
49 #define _ck_assert_double_ne(X,Y, epsilon)  \
50 	do { \
51 		double _ck_x = X; \
52 		double _ck_y = Y; \
53 		ck_assert_msg(fabs(_ck_x - _ck_y) > epsilon, \
54 			      "Assertion '" #X " != " #Y \
55 			      "' failed: "#X"==%f, "#Y"==%f", \
56 			      _ck_x, \
57 			      _ck_y); \
58 	} while (0)
59 
60 #define ck_assert_double_eq(X, Y) _ck_assert_double_eq(X, Y, CK_DOUBLE_EQ_EPSILON)
61 #define ck_assert_double_eq_tol(X, Y, tol) _ck_assert_double_eq(X, Y, tol)
62 #define ck_assert_double_ne(X, Y) _ck_assert_double_ne(X, Y, CK_DOUBLE_EQ_EPSILON)
63 #define ck_assert_double_ne_tol(X, Y, tol) _ck_assert_double_ne(X, Y, tol)
64 
65 #define _ck_assert_double_eq_op(X, OP, Y)  \
66 	do { \
67 		double _ck_x = X; \
68 		double _ck_y = Y; \
69 		ck_assert_msg(_ck_x OP _ck_y || \
70 			      fabs(_ck_x - _ck_y) < CK_DOUBLE_EQ_EPSILON, \
71 			      "Assertion '" #X#OP#Y \
72 			      "' failed: "#X"==%f, "#Y"==%f", \
73 			      _ck_x, \
74 			      _ck_y); \
75 	} while (0)
76 
77 #define _ck_assert_double_ne_op(X, OP,Y) \
78 	do { \
79 		double _ck_x = X; \
80 		double _ck_y = Y; \
81 		ck_assert_msg(_ck_x OP _ck_y && \
82 			      fabs(_ck_x - _ck_y) > CK_DOUBLE_EQ_EPSILON, \
83 			      "Assertion '" #X#OP#Y \
84 			      "' failed: "#X"==%f, "#Y"==%f", \
85 			      _ck_x, \
86 			      _ck_y); \
87 	} while (0)
88 
89 #define ck_assert_double_lt(X, Y) _ck_assert_double_ne_op(X, <, Y)
90 #define ck_assert_double_le(X, Y) _ck_assert_double_eq_op(X, <=, Y)
91 #define ck_assert_double_gt(X, Y) _ck_assert_double_ne_op(X, >, Y)
92 #define ck_assert_double_ge(X, Y) _ck_assert_double_eq_op(X, >=, Y)
93 
94