use crate::ArgminAdd;
macro_rules! make_add {
($t:ty) => {
impl ArgminAdd<$t, Vec<$t>> for Vec<$t> {
#[inline]
fn add(&self, other: &$t) -> Vec<$t> {
self.iter().map(|a| a + other).collect()
}
}
impl ArgminAdd<Vec<$t>, Vec<$t>> for $t {
#[inline]
fn add(&self, other: &Vec<$t>) -> Vec<$t> {
other.iter().map(|a| a + self).collect()
}
}
impl ArgminAdd<Vec<$t>, Vec<$t>> for Vec<$t> {
#[inline]
fn add(&self, other: &Vec<$t>) -> Vec<$t> {
let n1 = self.len();
let n2 = other.len();
assert!(n1 > 0);
assert!(n2 > 0);
assert_eq!(n1, n2);
self.iter().zip(other.iter()).map(|(a, b)| a + b).collect()
}
}
impl ArgminAdd<Vec<Vec<$t>>, Vec<Vec<$t>>> for Vec<Vec<$t>> {
#[inline]
fn add(&self, other: &Vec<Vec<$t>>) -> Vec<Vec<$t>> {
let sr = self.len();
let or = other.len();
assert!(sr > 0);
assert_eq!(sr, or);
let sc = self[0].len();
self.iter()
.zip(other.iter())
.map(|(a, b)| {
assert_eq!(a.len(), sc);
assert_eq!(b.len(), sc);
<Vec<$t> as ArgminAdd<Vec<$t>, Vec<$t>>>::add(&a, &b)
})
.collect()
}
}
impl ArgminAdd<$t, Vec<Vec<$t>>> for Vec<Vec<$t>> {
#[inline]
fn add(&self, other: &$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 ArgminAdd<$t, Vec<$t>>>::add(&a, &other)
})
.collect()
}
}
};
}
make_add!(i8);
make_add!(i16);
make_add!(i32);
make_add!(i64);
make_add!(u8);
make_add!(u16);
make_add!(u32);
make_add!(u64);
make_add!(f32);
make_add!(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_add_vec_scalar_ $t>]() {
let a = vec![1 as $t, 4 as $t, 8 as $t];
let b = 34 as $t;
let target = vec![35 as $t, 38 as $t, 42 as $t];
let res = <Vec<$t> as ArgminAdd<$t, Vec<$t>>>::add(&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_add_scalar_vec_ $t>]() {
let a = vec![1 as $t, 4 as $t, 8 as $t];
let b = 34 as $t;
let target = vec![35 as $t, 38 as $t, 42 as $t];
let res = <$t as ArgminAdd<Vec<$t>, Vec<$t>>>::add(&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_add_vec_vec_ $t>]() {
let a = vec![1 as $t, 4 as $t, 8 as $t];
let b = vec![41 as $t, 38 as $t, 34 as $t];
let target = vec![42 as $t, 42 as $t, 42 as $t];
let res = <Vec<$t> as ArgminAdd<Vec<$t>, Vec<$t>>>::add(&a, &b);
for i in 0..3 {
assert_relative_eq!(target[i] as f64, res[i] as f64, epsilon = f64::EPSILON);
}
}
}
item! {
#[test]
#[should_panic]
fn [<test_add_vec_vec_panic_ $t>]() {
let a = vec![1 as $t, 4 as $t];
let b = vec![41 as $t, 38 as $t, 34 as $t];
<Vec<$t> as ArgminAdd<Vec<$t>, Vec<$t>>>::add(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_add_vec_vec_panic_2_ $t>]() {
let a = vec![];
let b = vec![41 as $t, 38 as $t, 34 as $t];
<Vec<$t> as ArgminAdd<Vec<$t>, Vec<$t>>>::add(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_add_vec_vec_panic_3_ $t>]() {
let a = vec![41 as $t, 38 as $t, 34 as $t];
let b = vec![];
<Vec<$t> as ArgminAdd<Vec<$t>, Vec<$t>>>::add(&a, &b);
}
}
item! {
#[test]
fn [<test_add_mat_mat_ $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![41 as $t, 38 as $t, 34 as $t],
vec![40 as $t, 37 as $t, 33 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 ArgminAdd<Vec<Vec<$t>>, Vec<Vec<$t>>>>::add(&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_add_mat_scalar_ $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 = 2 as $t;
let target = vec![
vec![3 as $t, 6 as $t, 10 as $t],
vec![4 as $t, 7 as $t, 11 as $t]
];
let res = <Vec<Vec<$t>> as ArgminAdd<$t, Vec<Vec<$t>>>>::add(&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]
#[should_panic]
fn [<test_add_mat_mat_panic_1_ $t>]() {
let a = vec![
vec![1 as $t, 4 as $t, 8 as $t],
vec![2 as $t, 9 as $t]
];
let b = vec![
vec![41 as $t, 38 as $t, 34 as $t],
vec![40 as $t, 37 as $t, 33 as $t]
];
<Vec<Vec<$t>> as ArgminAdd<Vec<Vec<$t>>, Vec<Vec<$t>>>>::add(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_add_mat_mat_panic_2_ $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![41 as $t, 38 as $t, 34 as $t],
];
<Vec<Vec<$t>> as ArgminAdd<Vec<Vec<$t>>, Vec<Vec<$t>>>>::add(&a, &b);
}
}
item! {
#[test]
#[should_panic]
fn [<test_add_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 ArgminAdd<Vec<Vec<$t>>, Vec<Vec<$t>>>>::add(&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);
}