Add test_abs_complex

Co-authored-by: Alex Fikl <alexfikl@gmail.com>

test/test_arraycontext.py

@@ -784,6 +784,17 @@ def test_container_equality(actx_factory):
     assert isinstance(bcast_dc_of_dofs == bcast_dc_of_dofs_2, MyContainerDOFBcast)
 
 
+def test_abs_complex(actx_factory):
+    actx = actx_factory()
+    a = np.random.randn(2000) + 1j * np.random.randn(2000)
+
+    abs_a_ref = np.abs(a)
+    abs_a = actx.np.abs(actx.from_numpy(a))
+
+    assert abs_a.dtype == abs_a_ref.dtype
+    np.testing.assert_allclose(actx.to_numpy(abs_a), abs_a_ref)
+
+
 if __name__ == "__main__":
     import sys
     if len(sys.argv) > 1: