1 | // |
---|
2 | // Lol Engine |
---|
3 | // |
---|
4 | // Copyright: (c) 2010-2011 Sam Hocevar <sam@hocevar.net> |
---|
5 | // This program is free software; you can redistribute it and/or |
---|
6 | // modify it under the terms of the Do What The Fuck You Want To |
---|
7 | // Public License, Version 2, as published by Sam Hocevar. See |
---|
8 | // http://sam.zoy.org/projects/COPYING.WTFPL for more details. |
---|
9 | // |
---|
10 | |
---|
11 | #if defined HAVE_CONFIG_H |
---|
12 | # include "config.h" |
---|
13 | #endif |
---|
14 | |
---|
15 | #include <cmath> |
---|
16 | |
---|
17 | #include "core.h" |
---|
18 | #include "lol/unit.h" |
---|
19 | |
---|
20 | namespace lol |
---|
21 | { |
---|
22 | |
---|
23 | LOLUNIT_FIXTURE(RealTest) |
---|
24 | { |
---|
25 | LOLUNIT_TEST(test_real_from_float) |
---|
26 | { |
---|
27 | float a1 = real(0.0f); |
---|
28 | float a2 = real(-0.0f); |
---|
29 | float a3 = real(1.0f); |
---|
30 | float a4 = real(-1.0f); |
---|
31 | float a5 = real(1.5f); |
---|
32 | float a6 = real(12345678.0f); |
---|
33 | |
---|
34 | LOLUNIT_ASSERT_EQUAL(a1, 0.0f); |
---|
35 | LOLUNIT_ASSERT_EQUAL(a2, -0.0f); |
---|
36 | LOLUNIT_ASSERT_EQUAL(a3, 1.0f); |
---|
37 | LOLUNIT_ASSERT_EQUAL(a4, -1.0f); |
---|
38 | LOLUNIT_ASSERT_EQUAL(a5, 1.5f); |
---|
39 | LOLUNIT_ASSERT_EQUAL(a6, 12345678.0f); |
---|
40 | } |
---|
41 | |
---|
42 | LOLUNIT_TEST(test_real_from_double) |
---|
43 | { |
---|
44 | double a1 = real(0.0); |
---|
45 | double a2 = real(-0.0); |
---|
46 | double a3 = real(1.0); |
---|
47 | double a4 = real(-1.0); |
---|
48 | double a5 = real(1.5); |
---|
49 | double a6 = real(1234567876543210.0); |
---|
50 | |
---|
51 | LOLUNIT_ASSERT_DOUBLES_EQUAL(a1, 0.0, 0.0); |
---|
52 | LOLUNIT_ASSERT_DOUBLES_EQUAL(a2, -0.0, 0.0); |
---|
53 | LOLUNIT_ASSERT_DOUBLES_EQUAL(a3, 1.0, 0.0); |
---|
54 | LOLUNIT_ASSERT_DOUBLES_EQUAL(a4, -1.0, 0.0); |
---|
55 | LOLUNIT_ASSERT_DOUBLES_EQUAL(a5, 1.5, 0.0); |
---|
56 | LOLUNIT_ASSERT_DOUBLES_EQUAL(a6, 1234567876543210.0, 0.0); |
---|
57 | } |
---|
58 | |
---|
59 | LOLUNIT_TEST(test_real_neg) |
---|
60 | { |
---|
61 | float a1 = - real(1.0f); |
---|
62 | float a2 = - real(-1.0f); |
---|
63 | float a3 = - real(0.0f); |
---|
64 | float a4 = - real(-0.0f); |
---|
65 | |
---|
66 | LOLUNIT_ASSERT_EQUAL(a1, -1.0f); |
---|
67 | LOLUNIT_ASSERT_EQUAL(a2, 1.0f); |
---|
68 | LOLUNIT_ASSERT_EQUAL(a3, -0.0f); |
---|
69 | LOLUNIT_ASSERT_EQUAL(a4, 0.0f); |
---|
70 | } |
---|
71 | |
---|
72 | LOLUNIT_TEST(test_real_comp) |
---|
73 | { |
---|
74 | LOLUNIT_ASSERT(real(1.0f) > real(0.5f)); |
---|
75 | LOLUNIT_ASSERT(real(1.0f) >= real(0.5f)); |
---|
76 | LOLUNIT_ASSERT(real(1.0f) >= real(1.0f)); |
---|
77 | |
---|
78 | LOLUNIT_ASSERT(real(-1.0f) < real(-0.5f)); |
---|
79 | LOLUNIT_ASSERT(real(-1.0f) <= real(-0.5f)); |
---|
80 | LOLUNIT_ASSERT(real(-1.0f) <= real(-1.0f)); |
---|
81 | |
---|
82 | LOLUNIT_ASSERT(real(-1.0f) < real(0.5f)); |
---|
83 | LOLUNIT_ASSERT(real(-0.5f) < real(1.0f)); |
---|
84 | LOLUNIT_ASSERT(real(-1.0f) <= real(0.5f)); |
---|
85 | LOLUNIT_ASSERT(real(-0.5f) <= real(1.0f)); |
---|
86 | |
---|
87 | LOLUNIT_ASSERT(real(1.0f) > real(-0.5f)); |
---|
88 | LOLUNIT_ASSERT(real(0.5f) > real(-1.0f)); |
---|
89 | LOLUNIT_ASSERT(real(1.0f) >= real(-0.5f)); |
---|
90 | LOLUNIT_ASSERT(real(0.5f) >= real(-1.0f)); |
---|
91 | } |
---|
92 | |
---|
93 | LOLUNIT_TEST(test_real_add) |
---|
94 | { |
---|
95 | float a1 = real(1.0f) + real(0.0f); |
---|
96 | float a2 = real(0.0f) + real(1.0f); |
---|
97 | float a3 = real(1.0f) + real(1.0f); |
---|
98 | float a4 = real(-1.0f) + real(-1.0f); |
---|
99 | float a5 = real(1.0f) + real(0.125f); |
---|
100 | |
---|
101 | LOLUNIT_ASSERT_EQUAL(a1, 1.0f); |
---|
102 | LOLUNIT_ASSERT_EQUAL(a2, 1.0f); |
---|
103 | LOLUNIT_ASSERT_EQUAL(a3, 2.0f); |
---|
104 | LOLUNIT_ASSERT_EQUAL(a4, -2.0f); |
---|
105 | LOLUNIT_ASSERT_EQUAL(a5, 1.125f); |
---|
106 | } |
---|
107 | |
---|
108 | LOLUNIT_TEST(test_real_sub) |
---|
109 | { |
---|
110 | float a1 = real(1.0f) + real(1e20f) - real(1e20f); |
---|
111 | |
---|
112 | LOLUNIT_ASSERT_EQUAL(a1, 1.0f); |
---|
113 | } |
---|
114 | |
---|
115 | LOLUNIT_TEST(test_real_mul) |
---|
116 | { |
---|
117 | real x(1.25f); |
---|
118 | real y(1.5f); |
---|
119 | real z(1.99999f); |
---|
120 | real w(-1.5f); |
---|
121 | |
---|
122 | float m1 = x * x; |
---|
123 | float m2 = y * y; |
---|
124 | float m3 = z * z; |
---|
125 | float m4 = w * w; |
---|
126 | |
---|
127 | LOLUNIT_ASSERT_EQUAL(m1, 1.25f * 1.25f); |
---|
128 | LOLUNIT_ASSERT_EQUAL(m2, 1.5f * 1.5f); |
---|
129 | LOLUNIT_ASSERT_EQUAL(m3, 1.99999f * 1.99999f); |
---|
130 | LOLUNIT_ASSERT_EQUAL(m4, -1.5f * -1.5f); |
---|
131 | } |
---|
132 | |
---|
133 | LOLUNIT_TEST(test_real_div) |
---|
134 | { |
---|
135 | real a1(1.0f); |
---|
136 | real a2(2.0f); |
---|
137 | |
---|
138 | float m1 = a1 / a1; |
---|
139 | float m2 = a2 / a1; |
---|
140 | float m3 = a1 / a2; |
---|
141 | float m4 = a2 / a2; |
---|
142 | |
---|
143 | LOLUNIT_ASSERT_EQUAL(m1, 1.0f); |
---|
144 | LOLUNIT_ASSERT_EQUAL(m2, 2.0f); |
---|
145 | LOLUNIT_ASSERT_EQUAL(m3, 0.5f); |
---|
146 | LOLUNIT_ASSERT_EQUAL(m4, 1.0f); |
---|
147 | } |
---|
148 | }; |
---|
149 | |
---|
150 | } /* namespace lol */ |
---|
151 | |
---|