83 lines
2.1 KiB
Rust
83 lines
2.1 KiB
Rust
extern crate nalgebra as na;
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use matrixcompare::comparators::{AbsoluteElementwiseComparator, ExactElementwiseComparator};
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use matrixcompare::compare_matrices;
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use na::{OMatrix, U3, U4};
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fn compare_integers_fail() {
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println!("Comparing two integer matrices.");
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#[rustfmt::skip]
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let a = OMatrix::<_, U3, U4>::from_row_slice(&[
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0, 1, 2, 3,
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4, 5, 6, 7,
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8, 9, -2, 11
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]);
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#[rustfmt::skip]
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let b = OMatrix::<_, U3, U4>::from_row_slice(&[
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0, 1, 2, 3,
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4, 5, 6, 7,
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8, 9, 10, 11
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]);
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if let Err(err) = compare_matrices(a, b, &ExactElementwiseComparator) {
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println!("{}", err);
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}
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}
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fn compare_different_size() {
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println!("Comparing matrices of different size.");
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#[rustfmt::skip]
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let a = OMatrix::<_, U3, U3>::from_row_slice(&[
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0, 1, 2,
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4, 5, 6,
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8, 9, 10,
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]);
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#[rustfmt::skip]
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let b = OMatrix::<_, U3, U4>::from_row_slice(&[
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0, 1, 2, 3,
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4, 5, 6, 7,
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8, 9, 10, 11
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]);
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if let Err(err) = compare_matrices(a, b, &ExactElementwiseComparator) {
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println!("{}", err);
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}
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}
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fn compare_f64_abs_tol_fail() {
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println!("Comparing two f64 matrices.");
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#[rustfmt::skip]
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let a = OMatrix::<f64, U3, U3>::from_row_slice(&[
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0.0, 1.0, 2.0 + 1e-10,
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4.0, 5.0, 6.0,
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8.0, 9.0, 10.0,
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]);
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#[rustfmt::skip]
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let b = OMatrix::<_, U3, U3>::from_row_slice(&[
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0.0, 1.0, 2.0,
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4.0, 5.0, 6.0,
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8.0, 9.0, 10.0
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]);
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let cmp = AbsoluteElementwiseComparator { tol: 1e-12 };
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if let Err(err) = compare_matrices(a, b, &cmp) {
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println!("{}", err);
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}
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}
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fn main() {
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// This example mostly serves the purpose of demonstrating the kind of error messages
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// that are given upon comparison failure.
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// The more typical use case is using `assert_matrix_eq!` in tests.
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compare_integers_fail();
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println!("======================================================");
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compare_f64_abs_tol_fail();
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println!("======================================================");
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compare_different_size();
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}
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