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use format::{Conventional, Diagonal};
use Element;
impl<'l, T: Element> From<&'l Diagonal<T>> for Conventional<T> {
fn from(matrix: &Diagonal<T>) -> Self {
let &Diagonal {
rows,
columns,
ref values,
} = validate!(matrix);
let mut conventional = Conventional::new((rows, columns));
for i in 0..min!(rows, columns) {
conventional.values[i * rows + i] = values[i];
}
conventional
}
}
impl<T: Element> From<Diagonal<T>> for Conventional<T> {
#[inline]
fn from(matrix: Diagonal<T>) -> Self {
(&matrix).into()
}
}
impl<T: Element> Into<Vec<T>> for Diagonal<T> {
#[inline]
fn into(self) -> Vec<T> {
self.values
}
}
#[cfg(test)]
mod tests {
use prelude::*;
#[test]
fn into_conventional() {
let matrix = Conventional::from(new!(3, 5, vec![1.0, 2.0, 3.0]));
assert_eq!(
matrix,
Conventional::from_vec(
(3, 5),
matrix![
1.0, 0.0, 0.0, 0.0, 0.0;
0.0, 2.0, 0.0, 0.0, 0.0;
0.0, 0.0, 3.0, 0.0, 0.0;
],
)
);
}
}