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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.
use crate::ArgminSub;
use num_complex::Complex;
macro_rules! make_sub {
($t:ty) => {
impl ArgminSub<$t, Vec<$t>> for Vec<$t> {
#[inline]
fn sub(&self, other: &$t) -> Vec<$t> {
self.iter().map(|a| a - other).collect()
}
}
impl ArgminSub<Vec<$t>, Vec<$t>> for $t {
#[inline]
fn sub(&self, other: &Vec<$t>) -> Vec<$t> {
other.iter().map(|a| self - a).collect()
}
}
impl ArgminSub<Vec<$t>, Vec<$t>> for Vec<$t> {
#[inline]
fn sub(&self, other: &Vec<$t>) -> Vec<$t> {
let n1 = self.len();
let n2 = other.len();
assert!(n1 > 0);
assert_eq!(n1, n2);
self.iter().zip(other.iter()).map(|(a, b)| a - b).collect()
}
}
impl ArgminSub<Vec<Vec<$t>>, Vec<Vec<$t>>> for Vec<Vec<$t>> {
#[inline]
fn sub(&self, other: &Vec<Vec<$t>>) -> Vec<Vec<$t>> {
let sr = self.len();
let or = other.len();
assert!(sr > 0);
// implicitly, or > 0
assert_eq!(sr, or);
let sc = self[0].len();
self.iter()
.zip(other.iter())
.map(|(a, b)| {
assert_eq!(a.len(), sc);
assert_eq!(b.len(), sc);
<Vec<$t> as ArgminSub<Vec<$t>, Vec<$t>>>::sub(&a, &b)
})
.collect()
}
}
impl ArgminSub<$t, Vec<Vec<$t>>> for Vec<Vec<$t>> {
#[inline]
fn sub(&self, other: &$t) -> Vec<Vec<$t>> {
let sr = self.len();
assert!(sr > 0);
let sc = self[0].len();
self.iter()
.map(|a| {
assert_eq!(a.len(), sc);
<Vec<$t> as ArgminSub<$t, Vec<$t>>>::sub(&a, &other)
})
.collect()
}
}
};
}
make_sub!(i8);
make_sub!(i16);
make_sub!(i32);
make_sub!(i64);
make_sub!(u8);
make_sub!(u16);
make_sub!(u32);
make_sub!(u64);
make_sub!(f32);
make_sub!(f64);
make_sub!(Complex<i8>);
make_sub!(Complex<i16>);
make_sub!(Complex<i32>);
make_sub!(Complex<i64>);
make_sub!(Complex<u8>);
make_sub!(Complex<u16>);
make_sub!(Complex<u32>);
make_sub!(Complex<u64>);
make_sub!(Complex<f32>);
make_sub!(Complex<f64>);
#[cfg(test)]
mod tests {
use super::*;
use approx::assert_relative_eq;
use paste::item;
macro_rules! make_test {
($t:ty) => {
item! {
#[test]
fn [<test_sub_vec_scalar_ $t>]() {
let a = vec![100 as $t, 40 as $t, 76 as $t];
let b = 34 as $t;
let target = vec![66 as $t, 6 as $t, 42 as $t];
let res = <Vec<$t> as ArgminSub<$t, Vec<$t>>>::sub(&a, &b);
for i in 0..3 {
assert_relative_eq!(target[i] as f64, res[i] as f64, epsilon = f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_sub_vec_scalar_complex_ $t>]() {
let a = vec![
Complex::new(100 as $t, 40 as $t),
Complex::new(76 as $t, 42 as $t),
Complex::new(44 as $t, 35 as $t),
];
let b = Complex::new(34 as $t, 12 as $t);
let target = vec![a[0] - b, a[1] - b, a[2] - b];
let res = <Vec<Complex<$t>> as ArgminSub<Complex<$t>, Vec<Complex<$t>>>>::sub(&a, &b);
for i in 0..3 {
assert_relative_eq!(target[i].re as f64, res[i].re as f64, epsilon = f64::EPSILON);
assert_relative_eq!(target[i].im as f64, res[i].im as f64, epsilon = f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_sub_scalar_vec_ $t>]() {
let a = vec![1 as $t, 4 as $t, 58 as $t];
let b = 100 as $t;
let target = vec![99 as $t, 96 as $t, 42 as $t];
let res = <$t as ArgminSub<Vec<$t>, Vec<$t>>>::sub(&b, &a);
for i in 0..3 {
assert_relative_eq!(target[i] as f64, res[i] as f64, epsilon = f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_sub_scalar_vec_complex_ $t>]() {
let a = vec![
Complex::new(1 as $t, 4 as $t),
Complex::new(12 as $t, 21 as $t),
Complex::new(6 as $t, 10 as $t)
];
let b = Complex::new(100 as $t, 50 as $t);
let target = vec![b - a[0], b - a[1], b - a[2]];
let res = <Complex<$t> as ArgminSub<Vec<Complex<$t>>, Vec<Complex<$t>>>>::sub(&b, &a);
for i in 0..3 {
assert_relative_eq!(target[i].re as f64, res[i].re as f64, epsilon = f64::EPSILON);
assert_relative_eq!(target[i].im as f64, res[i].im as f64, epsilon = f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_sub_vec_vec_ $t>]() {
let a = vec![43 as $t, 46 as $t, 50 as $t];
let b = vec![1 as $t, 4 as $t, 8 as $t];
let target = vec![42 as $t, 42 as $t, 42 as $t];
let res = <Vec<$t> as ArgminSub<Vec<$t>, Vec<$t>>>::sub(&a, &b);
for i in 0..3 {
assert_relative_eq!(target[i] as f64, res[i] as f64, epsilon = f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_sub_vec_vec_complex_ $t>]() {
let a = vec![
Complex::new(100 as $t, 40 as $t),
Complex::new(76 as $t, 42 as $t),
Complex::new(44 as $t, 35 as $t),
];
let b = vec![
Complex::new(1 as $t, 4 as $t),
Complex::new(12 as $t, 21 as $t),
Complex::new(6 as $t, 10 as $t)
];
let target = vec![a[0] - b[0], a[1] - b[1], a[2] - b[2]];
let res = <Vec<Complex<$t>> as ArgminSub<Vec<Complex<$t>>, Vec<Complex<$t>>>>::sub(&a, &b);
for i in 0..3 {
assert_relative_eq!(target[i].re as f64, res[i].re as f64, epsilon = f64::EPSILON);
assert_relative_eq!(target[i].im as f64, res[i].im as f64, epsilon = f64::EPSILON);
}
}
}
item! {
#[test]
#[should_panic]
fn [<test_sub_vec_vec_panic_ $t>]() {
let a = vec![41 as $t, 38 as $t, 34 as $t];
let b = vec![1 as $t, 4 as $t];
<Vec<$t> as ArgminSub<Vec<$t>, Vec<$t>>>::sub(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_sub_vec_vec_panic_2_ $t>]() {
let a = vec![];
let b = vec![41 as $t, 38 as $t, 34 as $t];
<Vec<$t> as ArgminSub<Vec<$t>, Vec<$t>>>::sub(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_sub_vec_vec_panic_3_ $t>]() {
let a = vec![41 as $t, 38 as $t, 34 as $t];
let b = vec![];
<Vec<$t> as ArgminSub<Vec<$t>, Vec<$t>>>::sub(&a, &b);
}
}
item! {
#[test]
fn [<test_sub_mat_mat_ $t>]() {
let a = vec![
vec![43 as $t, 46 as $t, 50 as $t],
vec![44 as $t, 47 as $t, 51 as $t]
];
let b = vec![
vec![1 as $t, 4 as $t, 8 as $t],
vec![2 as $t, 5 as $t, 9 as $t]
];
let target = vec![
vec![42 as $t, 42 as $t, 42 as $t],
vec![42 as $t, 42 as $t, 42 as $t]
];
let res = <Vec<Vec<$t>> as ArgminSub<Vec<Vec<$t>>, Vec<Vec<$t>>>>::sub(&a, &b);
for i in 0..3 {
for j in 0..2 {
assert_relative_eq!(target[j][i] as f64, res[j][i] as f64, epsilon = f64::EPSILON);
}
}
}
}
item! {
#[test]
fn [<test_sub_mat_mat_complex_ $t>]() {
let a = vec![
vec![Complex::new(100 as $t, 40 as $t), Complex::new(76 as $t, 42 as $t)],
vec![Complex::new(44 as $t, 30 as $t), Complex::new(56 as $t, 52 as $t)],
vec![Complex::new(64 as $t, 40 as $t), Complex::new(86 as $t, 72 as $t)],
];
let b = vec![
vec![Complex::new(10 as $t, 4 as $t), Complex::new(7 as $t, 4 as $t)],
vec![Complex::new(4 as $t, 3 as $t), Complex::new(6 as $t, 5 as $t)],
vec![Complex::new(6 as $t, 4 as $t), Complex::new(8 as $t, 2 as $t)],
];
let target = vec![
vec![a[0][0] - b[0][0], a[0][1] - b[0][1]],
vec![a[1][0] - b[1][0], a[1][1] - b[1][1]],
vec![a[2][0] - b[2][0], a[2][1] - b[2][1]],
];
let res = <Vec<Vec<Complex<$t>>> as ArgminSub<Vec<Vec<Complex<$t>>>, Vec<Vec<Complex<$t>>>>>::sub(&a, &b);
for i in 0..2 {
for j in 0..3 {
assert_relative_eq!(target[j][i].re as f64, res[j][i].re as f64, epsilon = f64::EPSILON);
assert_relative_eq!(target[j][i].im as f64, res[j][i].im as f64, epsilon = f64::EPSILON);
}
}
}
}
item! {
#[test]
fn [<test_sub_mat_scalar_ $t>]() {
let a = vec![
vec![43 as $t, 46 as $t, 50 as $t],
vec![44 as $t, 47 as $t, 51 as $t]
];
let b = 2 as $t;
let target = vec![
vec![41 as $t, 44 as $t, 48 as $t],
vec![42 as $t, 45 as $t, 49 as $t]
];
let res = <Vec<Vec<$t>> as ArgminSub<$t, Vec<Vec<$t>>>>::sub(&a, &b);
for i in 0..3 {
for j in 0..2 {
assert_relative_eq!(target[j][i] as f64, res[j][i] as f64, epsilon = f64::EPSILON);
}
}
}
}
item! {
#[test]
fn [<test_sub_mat_scalar_complex_ $t>]() {
let a = vec![
vec![Complex::new(100 as $t, 40 as $t), Complex::new(76 as $t, 42 as $t)],
vec![Complex::new(44 as $t, 30 as $t), Complex::new(56 as $t, 52 as $t)],
vec![Complex::new(64 as $t, 40 as $t), Complex::new(86 as $t, 72 as $t)],
];
let b = Complex::new(2 as $t, 14 as $t);
let target = vec![
vec![a[0][0] - b, a[0][1] - b],
vec![a[1][0] - b, a[1][1] - b],
vec![a[2][0] - b, a[2][1] - b],
];
let res = <Vec<Vec<Complex<$t>>> as ArgminSub<Complex<$t>, Vec<Vec<Complex<$t>>>>>::sub(&a, &b);
for i in 0..2 {
for j in 0..3 {
assert_relative_eq!(target[j][i].re as f64, res[j][i].re as f64, epsilon = f64::EPSILON);
assert_relative_eq!(target[j][i].im as f64, res[j][i].im as f64, epsilon = f64::EPSILON);
}
}
}
}
item! {
#[test]
#[should_panic]
fn [<test_sub_mat_mat_panic_1_ $t>]() {
let a = vec![
vec![41 as $t, 38 as $t, 34 as $t],
vec![40 as $t, 37 as $t, 33 as $t]
];
let b = vec![
vec![1 as $t, 4 as $t, 8 as $t],
vec![2 as $t, 9 as $t]
];
<Vec<Vec<$t>> as ArgminSub<Vec<Vec<$t>>, Vec<Vec<$t>>>>::sub(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_sub_mat_mat_panic_2_ $t>]() {
let a = vec![
vec![41 as $t, 38 as $t, 34 as $t],
];
let b = vec![
vec![1 as $t, 4 as $t, 8 as $t],
vec![2 as $t, 5 as $t, 9 as $t]
];
<Vec<Vec<$t>> as ArgminSub<Vec<Vec<$t>>, Vec<Vec<$t>>>>::sub(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_sub_mat_mat_panic_3_ $t>]() {
let a = vec![
vec![1 as $t, 4 as $t, 8 as $t],
vec![2 as $t, 5 as $t, 9 as $t]
];
let b = vec![];
<Vec<Vec<$t>> as ArgminSub<Vec<Vec<$t>>, Vec<Vec<$t>>>>::sub(&a, &b);
}
}
};
}
make_test!(i8);
make_test!(u8);
make_test!(i16);
make_test!(u16);
make_test!(i32);
make_test!(u32);
make_test!(i64);
make_test!(u64);
make_test!(f32);
make_test!(f64);
}
```