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ensure slice can be cast to Matrix

This commit is contained in:
Magnus Ulimoen 2021-03-15 20:18:19 +01:00
parent 17ab18e953
commit 8383517ba3
1 changed files with 15 additions and 1 deletions
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16
sbp/src/operators/algos/constmatrix.rs
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@ -4,7 +4,7 @@ use num_traits::identities::Zero;
/// A row-major matrix /// A row-major matrix
#[derive(Debug, Clone, PartialEq, Eq, Hash)] #[derive(Debug, Clone, PartialEq, Eq, Hash)]
#[repr(C)] #[repr(transparent)]
pub struct Matrix<T, const M: usize, const N: usize> { pub struct Matrix<T, const M: usize, const N: usize> {
pub data: [[T; N]; M], pub data: [[T; N]; M],
} }
@ -346,4 +346,18 @@ mod flipping {
let flipped = m.flip_ud(); let flipped = m.flip_ud();
assert_eq!(flipped, Matrix::new([[5.0], [4.0], [3.0], [2.0], [1.0]])); assert_eq!(flipped, Matrix::new([[5.0], [4.0], [3.0], [2.0], [1.0]]));
} }
#[test]
fn assert_castability_of_alignment() {
let m = Matrix::new([[1.0], [2.0], [3.0], [4.0_f64]]);
assert_eq!(std::mem::align_of_val(&m), std::mem::align_of::<f64>());
let m = Matrix::new([[1.0], [2.0], [3.0], [4.0_f32]]);
assert_eq!(std::mem::align_of_val(&m), std::mem::align_of::<f32>());
let m = Matrix::new([[1], [2], [3], [4_i32]]);
assert_eq!(std::mem::align_of_val(&m), std::mem::align_of::<i32>());
let m = Matrix::new([[1], [2], [3], [4_u64]]);
assert_eq!(std::mem::align_of_val(&m), std::mem::align_of::<u64>());
let m = Matrix::new([[1], [2], [3], [4_u128]]);
assert_eq!(std::mem::align_of_val(&m), std::mem::align_of::<u128>());
}
} }