tighten accuracy bound in quat-mat conversions test

diff --git a/test.c b/test.c
index b870dcf..64e608a 100644 (file)
--- a/test.c
+++ b/test.c
@@ -71,7 +71,7 @@ void test_quat_mat_conversions()
                struct mat33 const m = quat2rotmat(q);
                struct quat const qq = mat2quat(m);
                float const angle = qanglebetween(q, qq);
-               assert(fabs(angle) < radians(1e-1));
+               assert(fabs(angle) < radians(1e-4));
        }
        printf("%s passed\n", __func__);
 }