Merge #944

944: Add WindingOrder benchmark r=lnicola a=frewsxcv

- [x] I agree to follow the project's [code of conduct](https://github.com/georust/geo/blob/main/CODE_OF_CONDUCT.md).
- [ ] I added an entry to `CHANGES.md` if knowledge of this change could be valuable to users.
---


Co-authored-by: Corey Farwell <coreyf@rwell.org>

geo/Cargo.toml

@@ -98,3 +98,7 @@ harness = false
 [[bench]]
 name = "rand_line_crossings"
 harness = false
+
+[[bench]]
+name = "winding_order"
+harness = false

geo/benches/winding_order.rs

@@ -0,0 +1,70 @@
+#[macro_use]
+extern crate criterion;
+extern crate geo;
+
+use geo::prelude::*;
+
+fn criterion_benchmark(c: &mut criterion::Criterion) {
+    c.bench_function("winding order: winding_order (f32)", |bencher| {
+        let ls = geo_test_fixtures::louisiana::<f32>();
+
+        bencher.iter(|| {
+            let _ = criterion::black_box(criterion::black_box(&ls).winding_order());
+        });
+    });
+
+    c.bench_function("winding order: winding_order (f64)", |bencher| {
+        let ls = geo_test_fixtures::louisiana::<f64>();
+
+        bencher.iter(|| {
+            let _ = criterion::black_box(criterion::black_box(&ls).winding_order());
+        });
+    });
+
+    c.bench_function("winding order: points_cw (f32)", |bencher| {
+        let ls = geo_test_fixtures::louisiana::<f32>();
+
+        bencher.iter(|| {
+            let points_iter = criterion::black_box(criterion::black_box(&ls).points_cw());
+            for point in points_iter {
+                criterion::black_box(point);
+            }
+        });
+    });
+
+    c.bench_function("winding order: points_cw (f64)", |bencher| {
+        let ls = geo_test_fixtures::louisiana::<f64>();
+
+        bencher.iter(|| {
+            let points_iter = criterion::black_box(criterion::black_box(&ls).points_cw());
+            for point in points_iter {
+                criterion::black_box(point);
+            }
+        });
+    });
+
+    c.bench_function("winding order: points_ccw (f32)", |bencher| {
+        let ls = geo_test_fixtures::louisiana::<f32>();
+
+        bencher.iter(|| {
+            let points_iter = criterion::black_box(criterion::black_box(&ls).points_ccw());
+            for point in points_iter {
+                criterion::black_box(point);
+            }
+        });
+    });
+
+    c.bench_function("winding order: points_ccw (f64)", |bencher| {
+        let ls = geo_test_fixtures::louisiana::<f64>();
+
+        bencher.iter(|| {
+            let points_iter = criterion::black_box(criterion::black_box(&ls).points_ccw());
+            for point in points_iter {
+                criterion::black_box(point);
+            }
+        });
+    });
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);