transform_CoreShellBox.py: mv material initialization to top

Tests/Py/Functional/transform_CoreShellBox.py

@@ -10,15 +10,18 @@ import unittest
 import utils
 from bornagain import *
 
+mAmbience = RefractiveMaterial("Vacuum", 0, 0)
+mSubstrate = RefractiveMaterial("Substrate", 3e-6, 3e-8)
+mMiddle = RefractiveMaterial("Teflon", 2.9e-6, 6e-9)
+mCore = RefractiveMaterial("Ag", 1.2e-5, 5e-7)
+mShell = RefractiveMaterial("AgO2", 8.6e-6, 3.4e-7)
+
 layer_thickness = 100.0
 
 
 class TransformCoreShellBoxTest(unittest.TestCase):
 
     def get_sample(self, particle):
-        mAmbience = RefractiveMaterial("Vacuum", 0, 0)
-        mMiddle = RefractiveMaterial("Teflon", 2.900e-6, 6.019e-9)
-        mSubstrate = RefractiveMaterial("Substrate", 3.212e-6, 3.244e-8)
 
         layout = ParticleLayout()
         layout.addParticle(particle)
@@ -44,7 +47,6 @@ class TransformCoreShellBoxTest(unittest.TestCase):
         Box particle placed in the center of the middle layer is compared against
         CoreShell particle, where core and shell are made of the same material.
         """
-        mCore = RefractiveMaterial("Ag", 1.245e-5, 5.419e-7)
 
         shell_length = 50.0
         shell_width = 20.0
@@ -79,8 +81,6 @@ class TransformCoreShellBoxTest(unittest.TestCase):
         Second CoreShell particle has dimensions (50,20,10) with one rotationZ to be
         like the reference one.
         """
-        mCore = RefractiveMaterial("Ag", 1.245e-5, 5.419e-7)
-        mShell = RefractiveMaterial("AgO2", 8.600e-6, 3.442e-7)
 
         # building reference CoreShell particle
         shell_length = 20.0
@@ -131,9 +131,6 @@ class TransformCoreShellBoxTest(unittest.TestCase):
         Second CoreShell particle has dimensions (50,20,10) with one rotationZ to be
         like the reference one.
         """
-        mCore = RefractiveMaterial("Ag", 1.245e-5, 5.419e-7)
-        mShell = RefractiveMaterial("AgO2", 8.600e-6, 3.442e-7)
-
         # building reference CoreShell particle
         shell_length = 10.0
         shell_width = 20.0
@@ -183,8 +180,6 @@ class TransformCoreShellBoxTest(unittest.TestCase):
         Second CoreShell particle has dimensions (50,20,10) with two rotations to be
         like the reference one.
         """
-        mCore = RefractiveMaterial("Ag", 1.245e-5, 5.419e-7)
-        mShell = RefractiveMaterial("AgO2", 8.600e-6, 3.442e-7)
 
         # building reference CoreShell particle
         shell_length = 10.0

Tests/Py/Functional/transform_box.py

@@ -66,8 +66,7 @@ class BoxTransformationsTest(unittest.TestCase):
         data = self.get_result(box)
 
         diff = ba.meanRelativeDifference(data, reference_data)
-        print(diff)
-        self.assertLess(diff, 1e-10)
+        self.assertLess(diff, 1e-13)
 
 
 if __name__ == '__main__':