smbinterp/test/baker2d.py
2011-09-17 15:39:01 -06:00

168 lines
4.9 KiB
Python

#!/usr/bin/env python
import unittest
from interp import baker
from interp.baker import Answer
class Test(unittest.TestCase):
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
def testImports(self):
import numpy
import scipy
import interp.grid as gv
import interp.baker as bv
numpy.__version__
scipy.__version__
gv, bv
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]
for a, b in zip(result, right_answer):
self.assertAlmostEqual(a, b)
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, r, q)
right_answer = 0.5
self.assertAlmostEqual(result, right_answer)
def testRunBaker_linear(self):
size_of_simplex = 3
R, R_q = (self.all_points[:size_of_simplex],
self.q[:size_of_simplex])
answer = baker.interpolate(self.X, R, R_q)
good_answer = Answer(qlin=0.5, final=None, error=None, abc={})
self.assertEqual(answer, good_answer)
def testRunBaker_1(self):
size_of_simplex = 3
extra_points = 3
R, R_q = (self.all_points[:size_of_simplex],
self.q[:size_of_simplex])
S, S_q = (self.all_points[size_of_simplex:size_of_simplex \
+ extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.interpolate(self.X, R, R_q, S, S_q)
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, R_q = (self.all_points[:size_of_simplex], self.q[:size_of_simplex])
S, S_q = (self.all_points[size_of_simplex:size_of_simplex \
+ extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.interpolate(self.X, R, R_q, S, S_q)
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, R_q = (self.all_points[:size_of_simplex], self.q[:size_of_simplex])
S, S_q = (self.all_points[size_of_simplex:size_of_simplex \
+ extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.interpolate(self.X, R, R_q, S, S_q)
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, R_q = (self.all_points[:size_of_simplex],
self.q[:size_of_simplex])
S, S_q = (self.all_points[size_of_simplex:size_of_simplex \
+ extra_points],
self.q[size_of_simplex:size_of_simplex + extra_points])
answer = baker.interpolate(self.X, R, R_q, S, S_q)
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)
if __name__ == '__main__':
suite = unittest.TestLoader().loadTestsFromTestCase(Test)
unittest.TextTestRunner(verbosity=3).run(suite)