/rust/registry/src/index.crates.io-1949cf8c6b5b557f/pic-scale-safe-0.1.12/src/math/consts.rs
Line | Count | Source |
1 | | /* |
2 | | * Copyright (c) Radzivon Bartoshyk, 10/2024. All rights reserved. |
3 | | * |
4 | | * Redistribution and use in source and binary forms, with or without modification, |
5 | | * are permitted provided that the following conditions are met: |
6 | | * |
7 | | * 1. Redistributions of source code must retain the above copyright notice, this |
8 | | * list of conditions and the following disclaimer. |
9 | | * |
10 | | * 2. Redistributions in binary form must reproduce the above copyright notice, |
11 | | * this list of conditions and the following disclaimer in the documentation |
12 | | * and/or other materials provided with the distribution. |
13 | | * |
14 | | * 3. Neither the name of the copyright holder nor the names of its |
15 | | * contributors may be used to endorse or promote products derived from |
16 | | * this software without specific prior written permission. |
17 | | * |
18 | | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
19 | | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
20 | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
21 | | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
22 | | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
23 | | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
24 | | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
25 | | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
26 | | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
27 | | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | | */ |
29 | | |
30 | | pub(crate) trait ConstSqrt2 { |
31 | | fn const_sqrt2() -> Self; |
32 | | } |
33 | | |
34 | | impl ConstSqrt2 for f32 { |
35 | 0 | fn const_sqrt2() -> Self { |
36 | 0 | std::f32::consts::SQRT_2 |
37 | 0 | } |
38 | | } |
39 | | |
40 | | impl ConstSqrt2 for f64 { |
41 | 0 | fn const_sqrt2() -> Self { |
42 | 0 | std::f64::consts::SQRT_2 |
43 | 0 | } |
44 | | } |
45 | | |
46 | | pub(crate) trait ConstPI { |
47 | | fn const_pi() -> Self; |
48 | | } |
49 | | |
50 | | impl ConstPI for f32 { |
51 | 0 | fn const_pi() -> Self { |
52 | 0 | std::f32::consts::PI |
53 | 0 | } |
54 | | } |
55 | | |
56 | | impl ConstPI for f64 { |
57 | 0 | fn const_pi() -> Self { |
58 | 0 | std::f64::consts::PI |
59 | 0 | } |
60 | | } |