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use crate::core::math::ArgminTranspose;
use num_complex::Complex;
macro_rules! make_transpose {
($t:ty) => {
impl ArgminTranspose<Vec<Vec<$t>>> for Vec<Vec<$t>> {
fn t(self) -> Self {
let n1 = self.len();
let n2 = self[0].len();
let mut v = Vec::with_capacity(n1);
unsafe {
v.set_len(n1);
}
let mut out = vec![v; n2];
for i in 0..n1 {
for j in 0..n2 {
out[j][i] = self[i][j];
}
}
out
}
}
};
}
make_transpose!(isize);
make_transpose!(usize);
make_transpose!(i8);
make_transpose!(u8);
make_transpose!(i16);
make_transpose!(u16);
make_transpose!(i32);
make_transpose!(u32);
make_transpose!(i64);
make_transpose!(u64);
make_transpose!(f32);
make_transpose!(f64);
make_transpose!(Complex<isize>);
make_transpose!(Complex<usize>);
make_transpose!(Complex<i8>);
make_transpose!(Complex<u8>);
make_transpose!(Complex<i16>);
make_transpose!(Complex<u16>);
make_transpose!(Complex<i32>);
make_transpose!(Complex<u32>);
make_transpose!(Complex<i64>);
make_transpose!(Complex<u64>);
make_transpose!(Complex<f32>);
make_transpose!(Complex<f64>);
#[cfg(test)]
mod tests {
use super::*;
use paste::item;
macro_rules! make_test {
($t:ty) => {
item! {
#[test]
fn [<test_transpose_2d_1_ $t>]() {
let a = vec![
vec![1 as $t, 4 as $t],
vec![8 as $t, 7 as $t]
];
let target = vec![
vec![1 as $t, 8 as $t],
vec![4 as $t, 7 as $t]
];
let res = a.t();
for i in 0..2 {
for j in 0..2 {
assert!(((target[i][j] - res[i][j]) as f64).abs() < std::f64::EPSILON);
}
}
}
}
item! {
#[test]
fn [<test_transpose_2d_2_ $t>]() {
let a = vec![
vec![1 as $t, 4 as $t],
vec![8 as $t, 7 as $t],
vec![3 as $t, 6 as $t]
];
let target = vec![
vec![1 as $t, 8 as $t, 3 as $t],
vec![4 as $t, 7 as $t, 6 as $t]
];
let res = a.t();
for i in 0..2 {
for j in 0..3 {
assert!(((target[i][j] - res[i][j]) as f64).abs() < std::f64::EPSILON);
}
}
}
}
};
}
make_test!(isize);
make_test!(usize);
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);
}