forked from M-Labs/nalgebra
111 lines
2.8 KiB
Rust
111 lines
2.8 KiB
Rust
use na::DefaultAllocator;
|
|
|
|
use crate::aliases::{TMat, TVec};
|
|
use crate::traits::{Alloc, Dimension, Number};
|
|
|
|
/// Perform a component-wise equal-to comparison of two matrices.
|
|
///
|
|
/// Return a boolean vector which components value is True if this expression is satisfied per column of the matrices.
|
|
pub fn equal_columns<N: Number, R: Dimension, C: Dimension>(
|
|
x: &TMat<N, R, C>,
|
|
y: &TMat<N, R, C>,
|
|
) -> TVec<bool, C>
|
|
where
|
|
DefaultAllocator: Alloc<N, R, C>,
|
|
{
|
|
let mut res = TVec::<_, C>::repeat(false);
|
|
|
|
for i in 0..C::dim() {
|
|
res[i] = x.column(i) == y.column(i)
|
|
}
|
|
|
|
res
|
|
}
|
|
|
|
/// Returns the component-wise comparison of `|x - y| < epsilon`.
|
|
///
|
|
/// True if this expression is satisfied.
|
|
pub fn equal_columns_eps<N: Number, R: Dimension, C: Dimension>(
|
|
x: &TMat<N, R, C>,
|
|
y: &TMat<N, R, C>,
|
|
epsilon: N,
|
|
) -> TVec<bool, C>
|
|
where
|
|
DefaultAllocator: Alloc<N, R, C>,
|
|
{
|
|
equal_columns_eps_vec(x, y, &TVec::<_, C>::repeat(epsilon))
|
|
}
|
|
|
|
/// Returns the component-wise comparison on each matrix column `|x - y| < epsilon`.
|
|
///
|
|
/// True if this expression is satisfied.
|
|
pub fn equal_columns_eps_vec<N: Number, R: Dimension, C: Dimension>(
|
|
x: &TMat<N, R, C>,
|
|
y: &TMat<N, R, C>,
|
|
epsilon: &TVec<N, C>,
|
|
) -> TVec<bool, C>
|
|
where
|
|
DefaultAllocator: Alloc<N, R, C>,
|
|
{
|
|
let mut res = TVec::<_, C>::repeat(false);
|
|
|
|
for i in 0..C::dim() {
|
|
res[i] = (x.column(i) - y.column(i)).abs() < TVec::<_, R>::repeat(epsilon[i])
|
|
}
|
|
|
|
res
|
|
}
|
|
|
|
/// Perform a component-wise not-equal-to comparison of two matrices.
|
|
///
|
|
/// Return a boolean vector which components value is True if this expression is satisfied per column of the matrices.
|
|
pub fn not_equal_columns<N: Number, R: Dimension, C: Dimension>(
|
|
x: &TMat<N, R, C>,
|
|
y: &TMat<N, R, C>,
|
|
) -> TVec<bool, C>
|
|
where
|
|
DefaultAllocator: Alloc<N, R, C>,
|
|
{
|
|
let mut res = TVec::<_, C>::repeat(false);
|
|
|
|
for i in 0..C::dim() {
|
|
res[i] = x.column(i) != y.column(i)
|
|
}
|
|
|
|
res
|
|
}
|
|
|
|
/// Returns the component-wise comparison of `|x - y| < epsilon`.
|
|
///
|
|
/// True if this expression is not satisfied.
|
|
pub fn not_equal_columns_eps<N: Number, R: Dimension, C: Dimension>(
|
|
x: &TMat<N, R, C>,
|
|
y: &TMat<N, R, C>,
|
|
epsilon: N,
|
|
) -> TVec<bool, C>
|
|
where
|
|
DefaultAllocator: Alloc<N, R, C>,
|
|
{
|
|
not_equal_columns_eps_vec(x, y, &TVec::<_, C>::repeat(epsilon))
|
|
}
|
|
|
|
/// Returns the component-wise comparison of `|x - y| >= epsilon`.
|
|
///
|
|
/// True if this expression is not satisfied.
|
|
pub fn not_equal_columns_eps_vec<N: Number, R: Dimension, C: Dimension>(
|
|
x: &TMat<N, R, C>,
|
|
y: &TMat<N, R, C>,
|
|
epsilon: &TVec<N, C>,
|
|
) -> TVec<bool, C>
|
|
where
|
|
DefaultAllocator: Alloc<N, R, C>,
|
|
{
|
|
let mut res = TVec::<_, C>::repeat(false);
|
|
|
|
for i in 0..C::dim() {
|
|
res[i] = (x.column(i) - y.column(i)).abs() >= TVec::<_, R>::repeat(epsilon[i])
|
|
}
|
|
|
|
res
|
|
}
|