pr

Author: Giorgio Medico

tests/test_b_spline_variants.py

@@ -798,7 +798,7 @@ def test_cubic_interpolation_accuracy(self) -> None:
             point = spline.evaluate(u)
             # Should stay within reasonable bounds for smooth data
             assert -1e-10 <= point[0] <= 4
-            assert 0 <= point[1] <= 8
+            assert -1e-10 <= point[1] <= 8
 
     def test_cubic_smoothness(self) -> None:
         """Test smoothness properties of cubic interpolation."""