From 3800be4dcb5cbb9906d1b05fd40727cbe7ad14ac Mon Sep 17 00:00:00 2001
From: Corwin Kuiper <corwin@kuiper.dev>
Date: Mon, 6 Dec 2021 22:51:43 +0000
Subject: [PATCH] test for accuracy of magnitude function
---
agb/src/number.rs | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/agb/src/number.rs b/agb/src/number.rs
index 6284e7dd..497293eb 100644
--- a/agb/src/number.rs
+++ b/agb/src/number.rs
@@ -703,6 +703,15 @@ impl<const N: usize> Vector2D<Num<i32, N>> {
}
}
+#[test_case]
+fn magnitude_accuracy(_gba: &mut crate::Gba) {
+ let n: Vector2D<Num<i32, 16>> = (3, 4).into();
+ assert!((n.magnitude() - 5).abs() < num!(0.1));
+
+ let n: Vector2D<Num<i32, 8>> = (3, 4).into();
+ assert!((n.magnitude() - 5).abs() < num!(0.1));
+}
+
impl<T: Number, P: Number + Into<T>> From<(P, P)> for Vector2D<T> {
fn from(f: (P, P)) -> Self {
Vector2D::new(f.0.into(), f.1.into())