From e894367c52b8629332d84665149076825b766f0b Mon Sep 17 00:00:00 2001
From: Corwin <corwin@kuiper.dev>
Date: Sun, 8 Oct 2023 14:56:32 +0100
Subject: [PATCH] use proper implementation of cos to check against

---
 agb-fixnum/src/lib.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/agb-fixnum/src/lib.rs b/agb-fixnum/src/lib.rs
index 19e5a704..ea8d4adf 100644
--- a/agb-fixnum/src/lib.rs
+++ b/agb-fixnum/src/lib.rs
@@ -1230,7 +1230,10 @@ mod tests {
     #[test]
     fn check_cos_accuracy() {
         let n: Num<i32, 8> = Num::new(1) / 32;
-        assert_eq!(n.cos(), num!(0.9808));
+        assert_eq!(
+            n.cos(),
+            Num::from_f64((2. * core::f64::consts::PI / 32.).cos())
+        );
     }
 
     #[test]