nalgebra/nalgebra-glm/src/matrix.rs

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use num::Num;
use traits::{Alloc, Number};
use na::{Scalar, Real, DimName, DefaultAllocator, U1};
use na::allocator::Allocator;
use aliases::{Mat, Vec};
//pub fn determinant<N: Real, D: DimName>(m: &Mat<N, D, D>) -> N
// where DefaultAllocator: Allocator<N, D, D> {
// m.determinant()
//}
pub fn inverse<N: Real, D: DimName>(m: &Mat<N, D, D>) -> Mat<N, D, D>
where DefaultAllocator: Alloc<N, D, D> {
m.clone().try_inverse().unwrap_or(Mat::<N, D, D>::zeros())
}
pub fn matrix_comp_mult<N: Number, R: DimName, C: DimName>(x: &Mat<N, R, C>, y: &Mat<N, R, C>) -> Mat<N, R, C>
where DefaultAllocator: Alloc<N, R, C> {
x.component_mul(y)
}
pub fn outer_product<N: Number, R: DimName, C: DimName>(c: &Vec<N, R>, r: &Vec<N, C>) -> Mat<N, R, C>
where DefaultAllocator: Alloc<N, R, C> {
c * r.transpose()
}
pub fn transpose<N: Scalar, R: DimName, C: DimName>(x: &Mat<N, R, C>) -> Mat<N, C, R>
where DefaultAllocator: Alloc<N, R, C> {
x.transpose()
}