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52 lines
2.2 KiB
Python
52 lines
2.2 KiB
Python
##
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# This software was developed and / or modified by Raytheon Company,
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# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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#
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# U.S. EXPORT CONTROLLED TECHNICAL DATA
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# This software product contains export-restricted data whose
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# export/transfer/disclosure is restricted by U.S. law. Dissemination
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# to non-U.S. persons whether in the United States or abroad requires
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# an export license or other authorization.
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#
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# Contractor Name: Raytheon Company
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# Contractor Address: 6825 Pine Street, Suite 340
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# Mail Stop B8
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# Omaha, NE 68106
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# 402.291.0100
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#
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# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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# further licensing information.
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##
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import unittest
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import numpy as np
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import Laplacian
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class TestLaplacian(unittest.TestCase):
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def setUp(self):
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self.Q = np.ones((5,5), dtype=np.float32) * 1.5
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self.Q += np.eye(5, 5, 0, dtype=self.Q.dtype) * 0.25
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self.dx = np.ones(np.shape(self.Q), dtype=self.Q.dtype)
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self.dy = np.ones(np.shape(self.Q), dtype=self.Q.dtype)
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def testMath(self):
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"Test basic Laplacian math function."
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answer = Laplacian.execute(self.Q, self.dx, self.dy)
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correctAnswer = np.array([[1e37,1e37,1e37,1e37,1e37],
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[1e37,-1,0.5,0,1e37],
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[1e37,0.5,-1,0.5,1e37],
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[1e37,0, 0.5, -1,1e37],
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[1e37,1e37,1e37,1e37,1e37]], dtype=self.Q.dtype)
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self.failUnless(np.all(correctAnswer==answer), "Laplacian was incorrect. " + repr(answer))
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def testInvalidCell(self):
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"Test whether invalid cells are handled properly."
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self.Q[1,1] = 1e37
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answer = Laplacian.execute(self.Q, self.dx, self.dy)
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correctAnswer = np.array([[1e37,1e37,1e37,1e37,1e37],
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[1e37,1e37,1e37,0,1e37],
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[1e37,1e37,-1,0.5,1e37],
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[1e37,0, 0.5, -1,1e37],
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[1e37,1e37,1e37,1e37,1e37]], dtype=self.Q.dtype)
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self.failUnless(np.all(correctAnswer==answer), "Laplacian was incorrect. " + repr(answer))
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