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// Copyright 2018-2024 argmin developers
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://apache.org/licenses/LICENSE-2.0> or the MIT license <LICENSE-MIT or
// http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.
#[cfg(test)]
mod tests {
#[allow(unused_imports)]
use super::*;
use argmin_math::ArgminSignum;
use ndarray::array;
use ndarray::{Array1, Array2};
use num_complex::Complex;
use paste::item;
macro_rules! make_test {
($t:ty) => {
item! {
#[test]
fn [<test_signum_complex_array1_ $t>]() {
let x = Array1::from(vec![
Complex::new(1 as $t, 2 as $t),
Complex::new(4 as $t, -3 as $t),
Complex::new(-8 as $t, 4 as $t),
Complex::new(-8 as $t, -1 as $t),
]);
let y = Array1::from(vec![
Complex::new(1 as $t, 1 as $t),
Complex::new(1 as $t, -1 as $t),
Complex::new(-1 as $t, 1 as $t),
Complex::new(-1 as $t, -1 as $t),
]);
let res = <Array1<Complex<$t>> as ArgminSignum>::signum(x);
for i in 0..4 {
let tmp = y[i] - res[i];
let norm = ((tmp.re * tmp.re + tmp.im * tmp.im) as f64).sqrt();
assert!(norm < f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_signum_array1_ $t>]() {
let x = Array1::from(vec![1 as $t, -4 as $t, 8 as $t]);
let y = Array1::from(vec![1 as $t, -1 as $t, 1 as $t]);
let res = <Array1<$t> as ArgminSignum>::signum(x);
for i in 0..3 {
let diff = (y[i] - res[i]).abs() as f64;
assert!(diff < f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_signum_complex_array2_ $t>]() {
let x = array![
[
Complex::new(1 as $t, 2 as $t),
Complex::new(4 as $t, -3 as $t),
Complex::new(-8 as $t, 4 as $t),
Complex::new(-8 as $t, -1 as $t),
],
[
Complex::new(-1 as $t, -2 as $t),
Complex::new(4 as $t, 3 as $t),
Complex::new(-8 as $t, -4 as $t),
Complex::new(8 as $t, -1 as $t),
]
];
let y = array![
[
Complex::new(1 as $t, 1 as $t),
Complex::new(1 as $t, -1 as $t),
Complex::new(-1 as $t, 1 as $t),
Complex::new(-1 as $t, -1 as $t),
],
[
Complex::new(-1 as $t, -1 as $t),
Complex::new(1 as $t, 1 as $t),
Complex::new(-1 as $t, -1 as $t),
Complex::new(1 as $t, -1 as $t),
]
];
let res = <Array2<Complex<$t>> as ArgminSignum>::signum(x);
for j in 0..2 {
for i in 0..4 {
let tmp = y[(j, i)] - res[(j, i)];
let norm = ((tmp.re * tmp.re + tmp.im * tmp.im) as f64).sqrt();
assert!(norm < f64::EPSILON);
}
}
}
}
item! {
#[test]
fn [<test_signum_array2_ $t>]() {
let x = array![
[1 as $t, -4 as $t, 8 as $t],
[-2 as $t, 2 as $t, -8 as $t]
];
let y = array![
[1 as $t, -1 as $t, 1 as $t],
[-1 as $t, 1 as $t, -1 as $t]
];
let res = <Array2<$t> as ArgminSignum>::signum(x);
for j in 0..2 {
for i in 0..3 {
let diff = (y[(j, i)] - res[(j, i)]).abs() as f64;
assert!(diff < f64::EPSILON);
}
}
}
}
};
}
make_test!(i8);
make_test!(i16);
make_test!(i32);
make_test!(i64);
make_test!(f32);
make_test!(f64);
}