nalgebra/src/tests/mat.rs

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#[test]
use std::num::{Real, One, abs};
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#[test]
use std::rand::random;
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#[test]
use std::cmp::ApproxEq;
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#[test]
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use traits::inv::Inv;
#[test]
use traits::rotation::{Rotation, Rotatable};
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#[test]
use traits::indexable::Indexable;
#[test]
use traits::transpose::Transpose;
#[test]
use vec::Vec1;
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#[test]
use mat::{Mat1, Mat2, Mat3, Mat4, Mat5, Mat6};
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#[test]
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use adaptors::rotmat::Rotmat;
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macro_rules! test_inv_mat_impl(
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($t: ty) => (
for 10000.times
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{
let randmat : $t = random();
assert!((randmat.inverse() * randmat).approx_eq(&One::one()));
}
);
)
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#[test]
fn test_inv_mat1()
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{ test_inv_mat_impl!(Mat1<f64>); }
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#[test]
fn test_inv_mat2()
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{ test_inv_mat_impl!(Mat2<f64>); }
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#[test]
fn test_inv_mat3()
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{ test_inv_mat_impl!(Mat3<f64>); }
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#[test]
fn test_inv_mat4()
{ test_inv_mat_impl!(Mat4<f64>); }
#[test]
fn test_inv_mat5()
{ test_inv_mat_impl!(Mat5<f64>); }
#[test]
fn test_inv_mat6()
{ test_inv_mat_impl!(Mat6<f64>); }
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#[test]
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fn test_rotation2()
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{
for 10000.times
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{
let randmat = One::one::<Rotmat<Mat2<f64>>>();
let ang = &Vec1::new([abs::<f64>(random()) % Real::pi()]);
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assert!(randmat.rotated(ang).rotation().approx_eq(ang));
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}
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}
#[test]
fn test_index_mat2()
{
let mat: Mat2<f64> = random();
assert!(mat.at((0, 1)) == mat.transposed().at((1, 0)));
}