From 0a48287671417606ae123e6cdd9d2afa76aeb9a7 Mon Sep 17 00:00:00 2001
From: Olivier Verdier <olivier.verdier@gmail.com>
Date: Sat, 31 Dec 2016 09:05:50 +0100
Subject: [PATCH] better on_manifold test

---
 tests/test_interpolator.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tests/test_interpolator.py b/tests/test_interpolator.py
index 0a02aa3..57a64f0 100644
--- a/tests/test_interpolator.py
+++ b/tests/test_interpolator.py
@@ -99,9 +99,10 @@ def projected(t):
         assert errs[1,imax] <= err
 
 def test_on_manifold(interpolator, N=40):
-    max = len(interpolator['points']) - 1
-    ts = max*np.random.rand(N)
-    pts = interpolator['Rspline'](ts)
+    """
+    Test that the control points are on the manifold.
+    """
+    pts = interpolator['Rspline'].control_points
     npt.assert_allclose(*interpolator['geometry'].on_manifold(pts), atol=1e-13)