1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
use crate::algebra::{
abstr::{Field, Scalar},
linear::matrix::Diagonal,
};
use std::ops::AddAssign;
impl<T> AddAssign<Diagonal<T>> for Diagonal<T>
where
T: Field + Scalar,
{
/// Add the matrix rhs to matrix self and assign the sum to self
///
/// # Example
/// ```
/// use mathru::algebra::linear::matrix::Diagonal;
///
/// let mut a: Diagonal<f64> = Diagonal::new(&vec![1.0, 0.0, 3.0, -7.0]);
/// let b: Diagonal<f64> = Diagonal::new(&vec![2.0, 3.0, -5.0, 2.0]);
/// a += b;
/// ```
fn add_assign(&mut self, rhs: Diagonal<T>) {
debug_assert!(self.dim() == rhs.dim());
for i in 0..self.matrix.m {
self.matrix[[i, i]] += rhs.matrix[[i, i]];
}
}
}
impl<T> AddAssign<T> for Diagonal<T>
where
T: Field + Scalar,
{
/// Add a scalar rhs to matrix self and assign result to self
///
/// # Example
///
/// ```
/// use mathru::algebra::linear::matrix::Diagonal;
///
/// let mut a: Diagonal<f64> = Diagonal::new(&vec![1.0, 0.0, 3.0, -7.0]);
/// a += -4.0;
/// ```
fn add_assign(&mut self, rhs: T) {
self.matrix.data.iter_mut().for_each(|a: &mut T| *a += rhs);
}
}