73 lines
1.9 KiB
Rust
73 lines
1.9 KiB
Rust
use na::Matrix3;
|
|
|
|
#[test]
|
|
#[rustfmt::skip]
|
|
fn udu_simple() {
|
|
let m = Matrix3::new(
|
|
2.0, -1.0, 0.0,
|
|
-1.0, 2.0, -1.0,
|
|
0.0, -1.0, 2.0);
|
|
|
|
let udu = m.udu();
|
|
|
|
// Rebuild
|
|
let p = udu.u * udu.d_matrix() * udu.u.transpose();
|
|
|
|
assert!(relative_eq!(m, p, epsilon = 3.0e-16));
|
|
}
|
|
|
|
#[test]
|
|
#[should_panic]
|
|
#[rustfmt::skip]
|
|
fn udu_non_sym_panic() {
|
|
let m = Matrix3::new(
|
|
2.0, -1.0, 0.0,
|
|
1.0, -2.0, 3.0,
|
|
-2.0, 1.0, 0.0);
|
|
|
|
let udu = m.udu();
|
|
// Rebuild
|
|
let p = udu.u * udu.d_matrix() * udu.u.transpose();
|
|
|
|
assert!(relative_eq!(m, p, epsilon = 3.0e-16));
|
|
}
|
|
|
|
#[cfg(feature = "arbitrary")]
|
|
mod quickcheck_tests {
|
|
#[allow(unused_imports)]
|
|
use crate::core::helper::{RandComplex, RandScalar};
|
|
|
|
macro_rules! gen_tests(
|
|
($module: ident, $scalar: ty) => {
|
|
mod $module {
|
|
use na::{DMatrix, Matrix4};
|
|
#[allow(unused_imports)]
|
|
use crate::core::helper::{RandScalar, RandComplex};
|
|
|
|
quickcheck! {
|
|
fn udu(n: usize) -> bool {
|
|
let n = std::cmp::max(1, std::cmp::min(n, 10));
|
|
let m = DMatrix::<$scalar>::new_random(n, n).map(|e| e.0).hermitian_part();
|
|
|
|
let udu = m.clone().udu();
|
|
let p = &udu.u * &udu.d_matrix() * &udu.u.transpose();
|
|
|
|
relative_eq!(m, p, epsilon = 1.0e-7)
|
|
}
|
|
|
|
fn udu_static(m: Matrix4<$scalar>) -> bool {
|
|
let m = m.map(|e| e.0).hermitian_part();
|
|
|
|
let udu = m.udu();
|
|
let p = udu.u * udu.d_matrix() * udu.u.transpose();
|
|
|
|
relative_eq!(m, p, epsilon = 1.0e-7)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
);
|
|
|
|
gen_tests!(f64, RandScalar<f64>);
|
|
}
|