79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
#!/usr/bin/env python
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import unittest
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from interp.baker import interpolate
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from interp.grid import contains
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def exact_func(X):
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x = X[0]
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y = X[0]
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return 1 + x + y
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class Test(unittest.TestCase):
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def setUp(self):
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self.g = [[0.25, 0.40], # 0
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[0.60, 0.80], # 1
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[0.65, 0.28], # 2
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[0.28, 0.65], # 3
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[1.00, 0.75], # 4
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[0.30, 0.95], # 5
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[0.80, 0.50], # 6
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[0.35, 0.15], # 7
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]
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self.q = [exact_func(p) for p in self.g]
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self.X = [0.55, 0.45]
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self.R = self.g[0:3]
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self.R_q = self.q[0:3]
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self.exact = exact_func(self.X)
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def test_R_contains_X(self):
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self.assertTrue(contains(self.X, self.R))
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def test_RunBaker_1_extra_point(self, extra=1):
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S = self.g[3:3 + extra]
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S_q = self.q[3:3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q, order=3)
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lin_err = abs(self.exact - answer.qlin)
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final_err = abs(self.exact - answer.final)
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# expected failure ...
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self.assertTrue(lin_err >= final_err)
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def test_RunBaker_2_extra_point(self, extra=2):
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S = self.g[3: 3 + extra]
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S_q = self.q[3:3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q, order=3)
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lin_err = abs(self.exact - answer.qlin)
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final_err = abs(self.exact - answer.final)
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self.assertTrue(lin_err >= final_err)
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def test_RunBaker_3_extra_point(self, extra=3):
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S = self.g[3: 3 + extra]
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S_q = self.q[3:3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q, order=3)
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lin_err = abs(self.exact - answer.qlin)
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final_err = abs(self.exact - answer.final)
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self.assertTrue(lin_err >= final_err)
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def test_RunBaker_4_extra_point(self, extra=4):
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S = self.g[3: 3 + extra]
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S_q = self.q[3:3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q, order=3)
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lin_err = abs(self.exact - answer.qlin)
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final_err = abs(self.exact - answer.final)
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self.assertTrue(lin_err >= final_err)
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def test_RunBaker_5_extra_point(self, extra=5):
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S = self.g[3: 3 + extra]
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S_q = self.q[3:3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q, order=3)
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lin_err = abs(self.exact - answer.qlin)
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final_err = abs(self.exact - answer.final)
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self.assertTrue(lin_err >= final_err)
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if __name__ == '__main__':
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suite = unittest.TestLoader().loadTestsFromTestCase(Test)
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unittest.TextTestRunner(verbosity=3).run(suite)
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