Check if nan in translational no neighbor test and try without complex?

glotzerlab · Dec 14, 2021 · 4ef5742 · 4ef5742
1 parent 1f762ba
commit 4ef5742
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/cpp/order/HexaticTranslational.cc b/cpp/order/HexaticTranslational.cc
@@ -39,7 +39,7 @@ void HexaticTranslational<T>::computeGeneral(Func func, const freud::locality::N
             {
                 if (total_weight == 0.)
                 {
-                    m_psi_array[i] = std::complex<float>(std::nanf);
+                    m_psi_array[i] = std::nanf;
                 }
                 else
                 {

diff --git a/tests/test_order_Translational.py b/tests/test_order_Translational.py
@@ -45,4 +45,7 @@ def test_no_neighbors(self):
         box = freud.box.Box.square(10)
         positions = [(0, 0, 0)]
         trans = freud.order.Translational(4)
-        trans.compute((box, positions), neighbors={"r_max": 1.25})
+        trans.compute((box, positions), neighbors={"r_max": 0.25})
+
+        assert np.all(np.isnan(trans.particle_order))
+        npt.assert_allclose(np.nan_to_num(trans.particle_order), 0)