From f26c9834a647dd2d82768954824fecbe0ec74531 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Fri, 26 May 2017 12:06:25 -0700
Subject: [PATCH] Toys: Fix OneOnBallPotential

---
 sumpy/toys.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sumpy/toys.py b/sumpy/toys.py
index 64431538..512dc3a1 100644
--- a/sumpy/toys.py
+++ b/sumpy/toys.py
@@ -272,7 +272,7 @@ class OneOnBallPotential(PotentialSource):
 
     def eval(self, targets):
         dist_vec = targets - self.center[:, np.newaxis]
-        return (np.sum(dist_vec**2, axis=0) < self.radius).astype(np.float64)
+        return (np.sum(dist_vec**2, axis=0) < self.radius**2).astype(np.float64)
 
 
 class PointSources(PotentialSource):
-- 
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