1 files changed, 2 insertions, 2 deletions
diff --git a/solid.py b/solid.py
index 67e8c81..44f3b3f 100644
--- a/solid.py
+++ b/solid.py
@@ -10,9 +10,9 @@ class Solid(object):
         if rotation.shape != (3,3):
             raise ValueError('shape mismatch')
 
-        self.rotation = rotation
+        self.rotation = rotation.astype(np.float32)
 
-        displacement = np.asarray(displacement)
+        displacement = np.asarray(displacement, dtype=np.float32)
 
         if displacement.shape != (3,):
             raise ValueError('shape mismatch')