smbinterp/test/quadratic2d.py

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#!/usr/bin/env python
import unittest
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from interp.baker import interpolate
from interp.grid import contains
def exact_func(X):
x = X[0]
y = X[0]
return 1 - x * x + y * y
class Test(unittest.TestCase):
def setUp(self):
self.g = [
[0.25, 0.40], # 0
[0.60, 0.80], # 1
[0.65, 0.28], # 2
[0.28, 0.65], # 3
[1.00, 0.75], # 4
[0.30, 0.95], # 5
[0.80, 0.50], # 6
[0.35, 0.15], # 7
]
self.q = [exact_func(p) for p in self.g]
self.X = [0.25, 0.4001]
self.X = [0.55, 0.45]
self.R = self.g[0:3]
self.R_q = self.q[0:3]
self.exact = exact_func(self.X)
def test_R_contains_X(self):
self.assertTrue(contains(self.X, self.R))
def test_RunBaker_1_extra_point(self, extra=1):
S = self.g[3: 3 + extra]
S_q = self.q[3: 3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q)
lin_err = abs(self.exact - answer.qlin)
final_err = abs(self.exact - answer.final)
#XXX: not sure about this one:
self.assertEqual(lin_err, final_err)
def test_RunBaker_2_extra_point(self, extra=2):
S = self.g[3: 3 + extra]
S_q = self.q[3: 3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q)
lin_err = abs(self.exact - answer.qlin)
final_err = abs(self.exact - answer.final)
self.assertTrue(lin_err >= final_err)
def test_RunBaker_3_extra_point(self, extra=3):
S = self.g[3: 3 + extra]
S_q = self.q[3: 3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q)
lin_err = abs(self.exact - answer.qlin)
final_err = abs(self.exact - answer.final)
self.assertTrue(lin_err >= final_err)
def test_RunBaker_4_extra_point(self, extra=4):
S = self.g[3: 3 + extra]
S_q = self.q[3: 3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q)
lin_err = abs(self.exact - answer.qlin)
final_err = abs(self.exact - answer.final)
self.assertTrue(lin_err >= final_err)
def test_RunBaker_5_extra_point(self, extra=5):
S = self.g[3: 3 + extra]
S_q = self.q[3: 3 + extra]
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answer = interpolate(self.X, self.R, self.R_q, S, S_q)
lin_err = abs(self.exact - answer.qlin)
final_err = abs(self.exact - answer.final)
self.assertTrue(lin_err >= final_err)
if __name__ == '__main__':
suite = unittest.TestLoader().loadTestsFromTestCase(Test)
unittest.TextTestRunner(verbosity=3).run(suite)