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beb1c6ae64
* Update to rust 2024 edition * Fixes * Clean up imports * Cargo fmt again --------- Co-authored-by: Keavon Chambers <keavon@keavon.com>
41 lines
1.8 KiB
Rust
41 lines
1.8 KiB
Rust
/// Comparison functions used for tests in the bezier module
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#[cfg(test)]
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use super::{CircleArc, Subpath};
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use crate::consts::MAX_ABSOLUTE_DIFFERENCE;
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#[cfg(test)]
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use crate::utils::f64_compare;
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use glam::DVec2;
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// Compare two f64s with some maximum absolute difference to account for floating point errors
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#[cfg(test)]
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pub fn compare_f64s(f1: f64, f2: f64) -> bool {
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f64_compare(f1, f2, MAX_ABSOLUTE_DIFFERENCE)
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}
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/// Compare points by allowing some maximum absolute difference to account for floating point errors
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pub fn compare_points(p1: DVec2, p2: DVec2) -> bool {
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p1.abs_diff_eq(p2, MAX_ABSOLUTE_DIFFERENCE)
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}
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/// Compare vectors of points by allowing some maximum absolute difference to account for floating point errors
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#[cfg(test)]
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pub fn compare_vec_of_points(a: Vec<DVec2>, b: Vec<DVec2>, max_absolute_difference: f64) -> bool {
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a.len() == b.len() && a.into_iter().zip(b).all(|(p1, p2)| p1.abs_diff_eq(p2, max_absolute_difference))
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}
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/// Compare circle arcs by allowing some maximum absolute difference between values to account for floating point errors
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#[cfg(test)]
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pub fn compare_arcs(arc1: CircleArc, arc2: CircleArc) -> bool {
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compare_points(arc1.center, arc2.center)
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&& f64_compare(arc1.radius, arc1.radius, MAX_ABSOLUTE_DIFFERENCE)
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&& f64_compare(arc1.start_angle, arc2.start_angle, MAX_ABSOLUTE_DIFFERENCE)
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&& f64_compare(arc1.end_angle, arc2.end_angle, MAX_ABSOLUTE_DIFFERENCE)
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}
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/// Compare Subpath by verifying that their bezier segments match.
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/// In this way, matching quadratic segments where the handles are on opposite manipulator groups will be considered equal.
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#[cfg(test)]
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pub fn compare_subpaths<PointId: crate::Identifier>(subpath1: &Subpath<PointId>, subpath2: &Subpath<PointId>) -> bool {
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subpath1.len() == subpath2.len() && subpath1.closed() == subpath2.closed() && subpath1.iter().eq(subpath2.iter())
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}
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