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