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