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use crate::ArgminTranspose;
use nalgebra::{
base::{allocator::Allocator, dimension::Dim, storage::Storage, Scalar},
DefaultAllocator, Matrix, OMatrix,
};
impl<N, R, C, S> ArgminTranspose<OMatrix<N, C, R>> for Matrix<N, R, C, S>
where
N: Scalar,
R: Dim,
C: Dim,
S: Storage<N, R, C>,
DefaultAllocator: Allocator<N, C, R>,
{
#[inline]
fn t(self) -> OMatrix<N, C, R> {
self.transpose()
}
}
#[cfg(test)]
mod tests {
use super::*;
use nalgebra::{Matrix2, Matrix2x3, Matrix3x2, RowVector2, Vector2};
use paste::item;
macro_rules! make_test {
($t:ty) => {
item! {
#[test]
fn [<test_transpose_ $t>]() {
let a = Vector2::new(1 as $t, 4 as $t);
let target = RowVector2::new(1 as $t, 4 as $t);
let res = <Vector2<$t> as ArgminTranspose<RowVector2<$t>>>::t(a);
for i in 0..2 {
assert!(((target[i] - res[i]) as f64).abs() < std::f64::EPSILON);
}
}
}
item! {
#[test]
fn [<test_transpose_2d_1_ $t>]() {
let a = Matrix2::new(
1 as $t, 4 as $t,
8 as $t, 7 as $t
);
let target = Matrix2::new(
1 as $t, 8 as $t,
4 as $t, 7 as $t
);
let res = <Matrix2<$t> as ArgminTranspose<Matrix2<$t>>>::t(a);
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 = Matrix3x2::new(
1 as $t, 4 as $t,
8 as $t, 7 as $t,
3 as $t, 6 as $t
);
let target = Matrix2x3::new(
1 as $t, 8 as $t, 3 as $t,
4 as $t, 7 as $t, 6 as $t
);
let res = <Matrix3x2<$t> as ArgminTranspose<Matrix2x3<$t>>>::t(a);
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!(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);
}