smbinterp/test/baker2d.py

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#!/usr/bin/env python
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import unittest
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from interp import baker
from interp import grid
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import numpy as np
import scipy.spatial
class Test(unittest.TestCase):
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def setUp(self):
self.l = [[-1, 1], [-1, 0], [-1, 1], [0, -1], [0, 0], [0, 1], [1, -1], [1, 0], [1, 1]]
self.all_points = [
[ 0, 0], # 0
[ 1, 0], # 1
[ 1, 1], # 2
[ 0, 1], # 3
[ 1,-1], # 4
[ 0,-1], # 5
[-1, 1], # 6
[-1, 0], # 7
[-1,-1], # 8
]
self.q = [1, 0, 0, 0, 0, 0, 0, 0, 0]
self.X = [0.5, 0.25]
self.accuracy = 8
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def testImports(self):
import numpy
import scipy
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import interp.grid
import interp.baker
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def testGetPhis(self):
X = [0,0]
r = [[-1, -1], [0, 2], [1, -1]]
result = baker.get_phis(X, r)
right_answer = [1/3.0, 1/3.0, 1/3.0]
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for a,b in zip(result, right_answer):
self.assertAlmostEqual(a,b)
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def testGetPhis2(self):
X = [0.5,0.25]
r = [[0, 0], [1, 0], [1, 1]]
result = baker.get_phis(X, r)
right_answer = [0.5, 0.25, 0.25]
for a,b in zip(result, right_answer):
self.assertEqual(a,b)
def testQlinear(self):
X = [0.5, 0.25]
r = [[0, 0], [1, 0], [1, 1]]
q = [1, 0, 0]
phi, result = baker.qlinear(X, grid.grid(r,q))
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right_answer = 0.5
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self.assertAlmostEqual(result, right_answer)
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def testRunBaker_1(self):
size_of_simplex = 3
extra_points = 3
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R = grid.grid(self.all_points[:size_of_simplex],
self.q[:size_of_simplex])
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S = grid.grid(self.all_points[size_of_simplex:size_of_simplex + extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.run_baker(self.X, R, S)
a = answer['abc'][0]
b = answer['abc'][1]
c = answer['abc'][2]
self.assertEqual(sorted((a,b,c)), sorted((0,0.0,1/3.)))
def testRunBaker_2(self):
size_of_simplex = 3
extra_points = 4
R = grid.grid(self.all_points[:size_of_simplex],
self.q[:size_of_simplex])
S = grid.grid(self.all_points[size_of_simplex:size_of_simplex + extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.run_baker(self.X, R, S)
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a, b, c = sorted(answer['abc'])
aa,bb,cc = sorted((2/3.0, 2/3.0, 1/3.0))
self.assertAlmostEqual(a,aa)
self.assertAlmostEqual(b,bb)
self.assertAlmostEqual(c,cc)
def testRunBaker_3(self):
size_of_simplex = 3
extra_points = 5
R = grid.grid(self.all_points[:size_of_simplex],
self.q[:size_of_simplex])
S = grid.grid(self.all_points[size_of_simplex:size_of_simplex + extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.run_baker(self.X, R, S)
a = answer['abc'][0]
b = answer['abc'][1]
c = answer['abc'][2]
a,b,c = sorted((a,b,c))
aa, bb, cc = sorted((13/14., 2/7., 15/14.))
self.assertAlmostEqual(a,aa)
self.assertAlmostEqual(b,bb)
self.assertAlmostEqual(c,cc)
def testRunBaker_4(self):
size_of_simplex = 3
extra_points = 6
R = grid.grid(self.all_points[:size_of_simplex],
self.q[:size_of_simplex])
S = grid.grid(self.all_points[size_of_simplex:size_of_simplex + extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.run_baker(self.X, R, S)
a = answer['abc'][0]
b = answer['abc'][1]
c = answer['abc'][2]
a,b,c = sorted((a,b,c))
aa,bb,cc = sorted((48/53.0, 15/53.0, 54/53.0))
self.assertAlmostEqual(a, aa)
self.assertAlmostEqual(b, bb)
self.assertAlmostEqual(c, cc)
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if __name__ == '__main__':
suite = unittest.TestLoader().loadTestsFromTestCase(Test)
unittest.TextTestRunner(verbosity=3).run(suite)