argmin/core/math/
conj_vec.rs

1// Copyright 2018-2020 argmin developers
2//
3// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
4// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
5// http://opensource.org/licenses/MIT>, at your option. This file may not be
6// copied, modified, or distributed except according to those terms.
7
8use crate::core::math::ArgminConj;
9use num_complex::Complex;
10
11macro_rules! make_conj {
12    ($t:ty) => {
13        impl ArgminConj for Vec<$t> {
14            #[inline]
15            fn conj(&self) -> Vec<$t> {
16                self.iter().map(|a| <$t as ArgminConj>::conj(a)).collect()
17            }
18        }
19
20        impl ArgminConj for Vec<Vec<$t>> {
21            #[inline]
22            fn conj(&self) -> Vec<Vec<$t>> {
23                self.iter()
24                    .map(|a| a.iter().map(|b| <$t as ArgminConj>::conj(b)).collect())
25                    .collect()
26            }
27        }
28    };
29}
30
31make_conj!(isize);
32make_conj!(i8);
33make_conj!(i16);
34make_conj!(i32);
35make_conj!(i64);
36make_conj!(f32);
37make_conj!(f64);
38make_conj!(Complex<isize>);
39make_conj!(Complex<i8>);
40make_conj!(Complex<i16>);
41make_conj!(Complex<i32>);
42make_conj!(Complex<i64>);
43make_conj!(Complex<f32>);
44make_conj!(Complex<f64>);
45
46#[cfg(test)]
47mod tests {
48    use super::*;
49    use paste::item;
50
51    macro_rules! make_test {
52        ($t:ty) => {
53            item! {
54                #[test]
55                fn [<test_conj_complex_vec_ $t>]() {
56                    let a = vec![
57                        Complex::new(1 as $t, 2 as $t),
58                        Complex::new(4 as $t, -3 as $t),
59                        Complex::new(8 as $t, 0 as $t)
60                    ];
61                    let b = vec![
62                        Complex::new(1 as $t, -2 as $t),
63                        Complex::new(4 as $t, 3 as $t),
64                        Complex::new(8 as $t, 0 as $t)
65                    ];
66                    let res = <Vec<Complex<$t>> as ArgminConj>::conj(&a);
67                    for i in 0..3 {
68                        let tmp = b[i] - res[i];
69                        let norm = ((tmp.re * tmp.re + tmp.im * tmp.im) as f64).sqrt();
70                        assert!(norm  < std::f64::EPSILON);
71                    }
72                }
73            }
74
75            item! {
76                #[test]
77                fn [<test_conj_vec_ $t>]() {
78                    let a = vec![1 as $t, 4 as $t, 8 as $t];
79                    let b = vec![1 as $t, 4 as $t, 8 as $t];
80                    let res = <Vec<$t> as ArgminConj>::conj(&a);
81                    for i in 0..3 {
82                        let diff = (b[i] as f64 - res[i] as f64).abs();
83                        assert!(diff  < std::f64::EPSILON);
84                    }
85                }
86            }
87
88            item! {
89                #[test]
90                fn [<test_conj_complex_vec_vec_ $t>]() {
91                    let a = vec![
92                        vec![
93                            Complex::new(1 as $t, 2 as $t),
94                            Complex::new(4 as $t, -3 as $t),
95                            Complex::new(8 as $t, 0 as $t)
96                        ],
97                        vec![
98                            Complex::new(1 as $t, -5 as $t),
99                            Complex::new(4 as $t, 6 as $t),
100                            Complex::new(8 as $t, 0 as $t)
101                        ],
102                    ];
103                    let b = vec![
104                        vec![
105                            Complex::new(1 as $t, -2 as $t),
106                            Complex::new(4 as $t, 3 as $t),
107                            Complex::new(8 as $t, 0 as $t)
108                        ],
109                        vec![
110                            Complex::new(1 as $t, 5 as $t),
111                            Complex::new(4 as $t, -6 as $t),
112                            Complex::new(8 as $t, 0 as $t)
113                        ],
114                    ];
115                    let res = <Vec<Vec<Complex<$t>>> as ArgminConj>::conj(&a);
116                    for i in 0..2 {
117                        for j in 0..3 {
118                            let tmp = b[i][j] - res[i][j];
119                            let norm = ((tmp.re * tmp.re + tmp.im * tmp.im) as f64).sqrt();
120                            assert!(norm  < std::f64::EPSILON);
121                        }
122                    }
123                }
124            }
125        };
126    }
127
128    make_test!(isize);
129    make_test!(i8);
130    make_test!(i16);
131    make_test!(i32);
132    make_test!(i64);
133    make_test!(f32);
134    make_test!(f64);
135}
argmin/core/math/conj_vec.rs

argmin/core/math/
conj_vec.rs
