forked from M-Labs/nalgebra
74 lines
1.6 KiB
Rust
74 lines
1.6 KiB
Rust
use na::{DefaultAllocator, Scalar};
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use aliases::{TMat, TVec};
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use traits::{Alloc, Dimension};
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/// The `index`-th column of the matrix `m`.
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///
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/// # See also:
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///
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/// * [`row`](fn.row.html)
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/// * [`set_column`](fn.set_column.html)
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/// * [`set_row`](fn.set_row.html)
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pub fn column<N: Scalar, R: Dimension, C: Dimension>(
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m: &TMat<N, R, C>,
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index: usize,
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) -> TVec<N, R>
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where
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DefaultAllocator: Alloc<N, R, C>,
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{
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m.column(index).into_owned()
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}
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/// Sets to `x` the `index`-th column of the matrix `m`.
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///
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/// # See also:
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///
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/// * [`column`](fn.column.html)
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/// * [`row`](fn.row.html)
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/// * [`set_row`](fn.set_row.html)
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pub fn set_column<N: Scalar, R: Dimension, C: Dimension>(
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m: &TMat<N, R, C>,
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index: usize,
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x: &TVec<N, R>,
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) -> TMat<N, R, C>
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where
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DefaultAllocator: Alloc<N, R, C>,
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{
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let mut res = m.clone();
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res.set_column(index, x);
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res
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}
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/// The `index`-th row of the matrix `m`.
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///
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/// # See also:
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///
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/// * [`column`](fn.column.html)
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/// * [`set_column`](fn.set_column.html)
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/// * [`set_row`](fn.set_row.html)
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pub fn row<N: Scalar, R: Dimension, C: Dimension>(m: &TMat<N, R, C>, index: usize) -> TVec<N, C>
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where DefaultAllocator: Alloc<N, R, C> {
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m.row(index).into_owned().transpose()
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}
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/// Sets to `x` the `index`-th row of the matrix `m`.
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///
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/// # See also:
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///
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/// * [`column`](fn.column.html)
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/// * [`row`](fn.row.html)
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/// * [`set_column`](fn.set_column.html)
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pub fn set_row<N: Scalar, R: Dimension, C: Dimension>(
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m: &TMat<N, R, C>,
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index: usize,
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x: &TVec<N, C>,
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) -> TMat<N, R, C>
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where
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DefaultAllocator: Alloc<N, R, C>,
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{
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let mut res = m.clone();
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res.set_row(index, &x.transpose());
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res
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}
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