forked from M-Labs/nalgebra
67 lines
2.4 KiB
Rust
67 lines
2.4 KiB
Rust
#![cfg(feature = "proptest-support")]
|
|
|
|
macro_rules! gen_tests(
|
|
($module: ident, $scalar: expr) => {
|
|
mod $module {
|
|
use na::{Matrix4, ComplexField};
|
|
#[allow(unused_imports)]
|
|
use crate::core::helper::{RandScalar, RandComplex};
|
|
use crate::proptest::*;
|
|
use proptest::{prop_assert, proptest};
|
|
|
|
fn unzero_diagonal<T: ComplexField>(a: &mut Matrix4<T>) {
|
|
for i in 0..4 {
|
|
if a[(i, i)].clone().norm1() < na::convert(1.0e-7) {
|
|
a[(i, i)] = T::one();
|
|
}
|
|
}
|
|
}
|
|
|
|
proptest! {
|
|
#[test]
|
|
fn solve_lower_triangular(a in matrix4_($scalar), b in matrix4x5_($scalar)) {
|
|
let mut a = a;
|
|
unzero_diagonal(&mut a);
|
|
let tri = a.lower_triangle();
|
|
let x = a.solve_lower_triangular(&b).unwrap();
|
|
|
|
prop_assert!(relative_eq!(tri * x, b, epsilon = 1.0e-7))
|
|
}
|
|
|
|
#[test]
|
|
fn solve_upper_triangular(a in matrix4_($scalar), b in matrix4x5_($scalar)) {
|
|
let mut a = a;
|
|
unzero_diagonal(&mut a);
|
|
let tri = a.upper_triangle();
|
|
let x = a.solve_upper_triangular(&b).unwrap();
|
|
|
|
prop_assert!(relative_eq!(tri * x, b, epsilon = 1.0e-7))
|
|
}
|
|
|
|
#[test]
|
|
fn tr_solve_lower_triangular(a in matrix4_($scalar), b in matrix4x5_($scalar)) {
|
|
let mut a = a;
|
|
unzero_diagonal(&mut a);
|
|
let tri = a.lower_triangle();
|
|
let x = a.tr_solve_lower_triangular(&b).unwrap();
|
|
|
|
prop_assert!(relative_eq!(tri.transpose() * x, b, epsilon = 1.0e-7))
|
|
}
|
|
|
|
#[test]
|
|
fn tr_solve_upper_triangular(a in matrix4_($scalar), b in matrix4x5_($scalar)) {
|
|
let mut a = a;
|
|
unzero_diagonal(&mut a);
|
|
let tri = a.upper_triangle();
|
|
let x = a.tr_solve_upper_triangular(&b).unwrap();
|
|
|
|
prop_assert!(relative_eq!(tri.transpose() * x, b, epsilon = 1.0e-7))
|
|
}
|
|
}
|
|
}
|
|
}
|
|
);
|
|
|
|
gen_tests!(complex, complex_f64());
|
|
gen_tests!(f64, PROPTEST_F64);
|