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

// Copyright 2020 Yevhenii Reizner
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Right now, there are no visible benefits of using SIMD for f32x4. So we don't.
#[derive(Default, Clone, Copy, PartialEq, Debug)]
#[repr(C, align(16))]
pub struct f32x4(pub [f32; 4]);

impl f32x4 {
    pub fn max(self, rhs: Self) -> Self {
        Self([
            self.0[0].max(rhs.0[0]),
            self.0[1].max(rhs.0[1]),
            self.0[2].max(rhs.0[2]),
            self.0[3].max(rhs.0[3]),
        ])
    }

    pub fn min(self, rhs: Self) -> Self {
        Self([
            self.0[0].min(rhs.0[0]),
            self.0[1].min(rhs.0[1]),
            self.0[2].min(rhs.0[2]),
            self.0[3].min(rhs.0[3]),
        ])
    }
}

impl core::ops::Add for f32x4 {
    type Output = Self;

    fn add(self, rhs: Self) -> Self::Output {
        Self([
            self.0[0] + rhs.0[0],
            self.0[1] + rhs.0[1],
            self.0[2] + rhs.0[2],
            self.0[3] + rhs.0[3],
        ])
    }
}

impl core::ops::AddAssign for f32x4 {
    fn add_assign(&mut self, rhs: f32x4) {
        *self = *self + rhs;
    }
}

impl core::ops::Sub for f32x4 {
    type Output = Self;

    fn sub(self, rhs: Self) -> Self::Output {
        Self([
            self.0[0] - rhs.0[0],
            self.0[1] - rhs.0[1],
            self.0[2] - rhs.0[2],
            self.0[3] - rhs.0[3],
        ])
    }
}

impl core::ops::Mul for f32x4 {
    type Output = Self;

    fn mul(self, rhs: Self) -> Self::Output {
        Self([
            self.0[0] * rhs.0[0],
            self.0[1] * rhs.0[1],
            self.0[2] * rhs.0[2],
            self.0[3] * rhs.0[3],
        ])
    }
}

impl core::ops::MulAssign for f32x4 {
    fn mul_assign(&mut self, rhs: f32x4) {
        *self = *self * rhs;
    }
}