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