nalgebra/nalgebra-lapack/tests/linalg/symmetric_eigen.rs

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use std::cmp;
use na::{DMatrix, Matrix4};
2018-11-07 01:32:20 +08:00
use nl::SymmetricEigen;
quickcheck!{
fn symmetric_eigen(n: usize) -> bool {
let n = cmp::max(1, cmp::min(n, 10));
let m = DMatrix::<f64>::new_random(n, n);
let eig = SymmetricEigen::new(m.clone());
let recomp = eig.recompose();
relative_eq!(m.lower_triangle(), recomp.lower_triangle(), epsilon = 1.0e-5)
}
fn symmetric_eigen_static(m: Matrix4<f64>) -> bool {
let eig = SymmetricEigen::new(m);
let recomp = eig.recompose();
relative_eq!(m.lower_triangle(), recomp.lower_triangle(), epsilon = 1.0e-5)
}
}