Better check for trac #29936.

sagemath · Apr 23, 2021 · 8f00631 · 8f00631
1 parent 3ead571
commit 8f00631
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/sage/geometry/hyperbolic_space/hyperbolic_geodesic.py b/src/sage/geometry/hyperbolic_space/hyperbolic_geodesic.py
@@ -1408,8 +1408,9 @@ def perpendicular_bisector(self):  # UHP
             ....:     p = g.perpendicular_bisector()
             ....:     q = h.perpendicular_bisector()
             ....:     c = lambda x: x.coordinates()
-            ....:     assert bool(c(g.intersection(p)[0]) - c(g.midpoint()) < 1e-9)
-            ....:     assert bool(c(h.intersection(q)[0]) - c(g.midpoint()) < 1e-9)
+            ....:     error_ab = norm(c(g.intersection(p)[0]) - c(g.midpoint()))
+            ....:     error_ba = norm(c(h.intersection(q)[0]) - c(h.midpoint()))
+            ....:     assert(bool(error_ab < 1e-9) and bool(error_ba < 1e-9))
             sage: works_both_ways(1 + I, 2 + 0.5*I)
             sage: works_both_ways(2 + I, 2 + 0.5*I)
         """