oxide_math 0.0.1

Math library for Oxide
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155

#[cfg(test)]
mod test {
    use crate::test::utils::*;
    use crate::vector::*;
    use crate::vector4;

    #[test]
    fn get_squared_length() {
        let new_vector = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let tar: f32 = 86.0;
        let res = new_vector.get_squared_length();
        assert_approx_eq!(tar, res);
    }

    #[test]
    fn get_length() {
        let new_vector = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let tar: f32 = 9.273_619;
        let res = new_vector.get_length();
        assert_approx_eq!(tar, res);
    }

    #[test]
    fn inner_product() {
        let new_vector_1 = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let new_vector_2 = vector4::Vector4 {
            x: 3.0,
            y: 7.0,
            z: 11.0,
            w: 13.0,
        };
        let tar: f32 = 170.0;
        let res = new_vector_1.inner_product(&new_vector_2);
        assert_approx_eq!(tar, res);
    }

    #[test]
    fn scale_3() {
        let new_vector = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let tar_vector = vector4::Vector4 {
            x: 9.0,
            y: 12.0,
            z: 15.0,
            w: 18.0,
        };
        let res_vector = new_vector.scale(3.0);
        assert_vector4_approx_eq(&tar_vector, &res_vector);
    }

    #[test]
    fn negate() {
        let new_vector = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let tar_vector = vector4::Vector4 {
            x: -3.0,
            y: -4.0,
            z: -5.0,
            w: -6.0,
        };
        let res_vector = new_vector.negate();
        assert_vector4_approx_eq(&tar_vector, &res_vector);
        assert_approx_eq!(tar_vector.get_length(), res_vector.get_length());
    }

    #[test]
    fn add() {
        let new_vector_1 = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let new_vector_2 = vector4::Vector4 {
            x: 3.0,
            y: 7.0,
            z: 11.0,
            w: 13.0,
        };
        let tar_vector = vector4::Vector4 {
            x: 6.0,
            y: 11.0,
            z: 16.0,
            w: 19.0,
        };
        let res_vector = new_vector_1 + new_vector_2;
        assert_vector4_approx_eq(&tar_vector, &res_vector);
    }
    #[test]
    fn sub() {
        let new_vector_1 = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let new_vector_2 = vector4::Vector4 {
            x: 3.0,
            y: 7.0,
            z: 11.0,
            w: 13.0,
        };
        let tar_vector = vector4::Vector4 {
            x: 0.0,
            y: -3.0,
            z: -6.0,
            w: -7.0,
        };
        let res_vector = new_vector_1 - new_vector_2;
        assert_vector4_approx_eq(&tar_vector, &res_vector);
    }

    #[test]
    fn normalize() {
        let new_vector = vector4::Vector4 {
            x: 3.0,
            y: 4.0,
            z: 5.0,
            w: 6.0,
        };
        let tar_vector = vector4::Vector4 {
            x: 0.323_498_3,
            y: 0.431_331_1,

            z: 0.539_163_9,
            w: 0.646_996_6,
        };
        let res_vector = new_vector.normalize();
        assert_vector4_approx_eq(&tar_vector, &res_vector);
        assert_approx_eq!(1.0, res_vector.get_length());
    }
}