Add unit_length to demag atomistic tests so that the previously fixed but would be picked up in future

Author: rpep

tests/test_demag.py

@@ -6,7 +6,7 @@
 
 
 def test_demag_fft_exact():
-    mesh = CuboidMesh(nx=5, ny=3, nz=4)
+    mesh = CuboidMesh(nx=5, ny=3, nz=4, unit_length=1e-9)
     sim = Sim(mesh)
 
     demag = Demag()
@@ -24,16 +24,15 @@ def init_m(pos):
     sim.set_m(init_m)
     fft = demag.compute_field()
     exact = demag.compute_exact()
-    # print fft,exact
-    print(np.max(np.abs(fft - exact)))
 
-    assert np.max(np.abs(fft - exact)) < 5e-22
+    np.testing.assert_allclose(fft, exact, rtol=1e-10)
+    
+
 
 
 def test_demag_fft_exact_oommf():
-    mesh = CuboidMesh(nx=5, ny=3, nz=2)
+    mesh = CuboidMesh(nx=5, ny=3, nz=2, unit_length=1e-9)
     sim = Sim(mesh)
-
     demag = Demag()
     sim.add(demag)
 
@@ -45,23 +44,18 @@ def init_m(pos):
             return (0, 0, 1)
         else:
             return (0, 1, 0)
-
     sim.set_m(init_m)
     fft = demag.compute_field()
     exact = demag.compute_exact()
-    # print fft,exact
-    print(np.max(np.abs(fft - exact)))
+    np.testing.assert_allclose(fft, exact, rtol=1e-10)
 
-    assert np.max(np.abs(fft - exact)) < 1e-15
 
 
 def test_demag_two_spin_xx():
     mesh = CuboidMesh(nx=2, ny=1, nz=1)
     sim = Sim(mesh)
-
     demag = Demag()
     sim.add(demag)
-
     sim.set_m((1, 0, 0))
     field = demag.compute_field()
     print(field)
@@ -71,8 +65,5 @@ def test_demag_two_spin_xx():
 
 if __name__ == '__main__':
     test_demag_fft_exact()
-    #test_demag_two_spin_xx()
-
-    # test_oommf_coefficient()
-    # test_demag_fft_exact()
-    #test_demag_fft_exact_oommf()
+    test_demag_two_spin_xx()
+    test_demag_fft_exact_oommf()