source: trunk/test/unit/real.cpp @ 969

Last change on this file since 969 was 969, checked in by sam, 11 years ago

core: switch real mantissa to uint16_t instead of uint32_t to ease the
multiplication.

File size: 1.2 KB
Line 
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
20namespace lol
21{
22
23LOLUNIT_FIXTURE(RealTest)
24{
25public:
26    LOLUNIT_TEST(test_real_from_float)
27    {
28        float x = real(0.0f);
29        float y = real(1.0f);
30        float z = real(1.5f);
31
32        LOLUNIT_ASSERT_EQUAL(x, 0.0f);
33        LOLUNIT_ASSERT_EQUAL(y, 1.0f);
34        LOLUNIT_ASSERT_EQUAL(z, 1.5f);
35    }
36
37    LOLUNIT_TEST(test_real_mul)
38    {
39        real x(1.25f);
40        real y(1.5f);
41        real z(1.99999f);
42        real w(-1.5f);
43
44        float m1 = x * x;
45        float m2 = y * y;
46        float m3 = z * z;
47        float m4 = w * w;
48
49        LOLUNIT_ASSERT_EQUAL(m1, 1.25f * 1.25f);
50        LOLUNIT_ASSERT_EQUAL(m2, 1.5f * 1.5f);
51        LOLUNIT_ASSERT_EQUAL(m3, 1.99999f * 1.99999f);
52        LOLUNIT_ASSERT_EQUAL(m4, -1.5f * -1.5f);
53    }
54};
55
56} /* namespace lol */
57
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