use crate::matrix::Matrix;
use crate::number::{c64, Number};
use rayon::prelude::*;
use std::ops::Add;
fn add_scalar<T>(lhs: Matrix<T>, rhs: T) -> Matrix<T>
where
T: Number,
{
let mut lhs = lhs;
lhs.elems
.par_iter_mut()
.map(|l| {
*l += rhs;
})
.collect::<Vec<_>>();
lhs
}
impl<T> Add<T> for Matrix<T>
where
T: Number,
{
type Output = Matrix<T>;
fn add(self, rhs: T) -> Self::Output {
add_scalar(self, rhs)
}
}
impl Add<Matrix> for f64 {
type Output = Matrix;
fn add(self, rhs: Matrix) -> Self::Output {
add_scalar(rhs, self)
}
}
impl Add<Matrix<c64>> for c64 {
type Output = Matrix<c64>;
fn add(self, rhs: Matrix<c64>) -> Self::Output {
add_scalar(rhs, self)
}
}
fn add<T>(lhs: Matrix<T>, rhs: &Matrix<T>) -> Matrix<T>
where
T: Number,
{
if !lhs.same_size(rhs) {
panic!("Dimension mismatch.")
}
let mut lhs = lhs;
lhs.elems
.par_iter_mut()
.zip(rhs.elems.par_iter())
.map(|(l, &r)| {
*l += r;
})
.collect::<Vec<_>>();
lhs
}
impl<T> Add<Matrix<T>> for Matrix<T>
where
T: Number,
{
type Output = Matrix<T>;
fn add(self, rhs: Matrix<T>) -> Self::Output {
add(self, &rhs)
}
}
impl<T> Add<&Matrix<T>> for Matrix<T>
where
T: Number,
{
type Output = Matrix<T>;
fn add(self, rhs: &Matrix<T>) -> Self::Output {
add(self, rhs)
}
}
impl<T> Add<Matrix<T>> for &Matrix<T>
where
T: Number,
{
type Output = Matrix<T>;
fn add(self, rhs: Matrix<T>) -> Self::Output {
add(rhs, self)
}
}