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use na::{DefaultAllocator, Scalar};
use crate::aliases::{TMat, TVec};
use crate::traits::{Alloc, Dimension};
pub fn column<N: Scalar, R: Dimension, C: Dimension>(
m: &TMat<N, R, C>,
index: usize,
) -> TVec<N, R>
where
DefaultAllocator: Alloc<N, R, C>,
{
m.column(index).into_owned()
}
pub fn set_column<N: Scalar, R: Dimension, C: Dimension>(
m: &TMat<N, R, C>,
index: usize,
x: &TVec<N, R>,
) -> TMat<N, R, C>
where
DefaultAllocator: Alloc<N, R, C>,
{
let mut res = m.clone();
res.set_column(index, x);
res
}
pub fn row<N: Scalar, R: Dimension, C: Dimension>(m: &TMat<N, R, C>, index: usize) -> TVec<N, C>
where DefaultAllocator: Alloc<N, R, C> {
m.row(index).into_owned().transpose()
}
pub fn set_row<N: Scalar, R: Dimension, C: Dimension>(
m: &TMat<N, R, C>,
index: usize,
x: &TVec<N, C>,
) -> TMat<N, R, C>
where
DefaultAllocator: Alloc<N, R, C>,
{
let mut res = m.clone();
res.set_row(index, &x.transpose());
res
}