41 lines
1.1 KiB
Rust
41 lines
1.1 KiB
Rust
use na::{Const, DimMin, RealField, Scalar};
|
|
|
|
use crate::aliases::{TMat, TVec};
|
|
use crate::traits::Number;
|
|
|
|
/// The determinant of the matrix `m`.
|
|
pub fn determinant<T: RealField, const D: usize>(m: &TMat<T, D, D>) -> T
|
|
where
|
|
Const<D>: DimMin<Const<D>, Output = Const<D>>,
|
|
{
|
|
m.determinant()
|
|
}
|
|
|
|
/// The inverse of the matrix `m`.
|
|
pub fn inverse<T: RealField, const D: usize>(m: &TMat<T, D, D>) -> TMat<T, D, D> {
|
|
m.clone()
|
|
.try_inverse()
|
|
.unwrap_or_else(TMat::<T, D, D>::zeros)
|
|
}
|
|
|
|
/// Component-wise multiplication of two matrices.
|
|
pub fn matrix_comp_mult<T: Number, const R: usize, const C: usize>(
|
|
x: &TMat<T, R, C>,
|
|
y: &TMat<T, R, C>,
|
|
) -> TMat<T, R, C> {
|
|
x.component_mul(y)
|
|
}
|
|
|
|
/// Treats the first parameter `c` as a column vector and the second parameter `r` as a row vector and does a linear algebraic matrix multiply `c * r`.
|
|
pub fn outer_product<T: Number, const R: usize, const C: usize>(
|
|
c: &TVec<T, R>,
|
|
r: &TVec<T, C>,
|
|
) -> TMat<T, R, C> {
|
|
c * r.transpose()
|
|
}
|
|
|
|
/// The transpose of the matrix `m`.
|
|
pub fn transpose<T: Scalar, const R: usize, const C: usize>(x: &TMat<T, R, C>) -> TMat<T, C, R> {
|
|
x.transpose()
|
|
}
|