smbinterp/test/quadratic2d.py

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#!/usr/bin/env python
import unittest
from interp.baker import run_baker
from interp.grid import grid
from interp.grid import contains
def exact_func(X):
x = X[0]
y = X[0]
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return 1 - x*x + y*y
class Test(unittest.TestCase):
def setUp(self):
self.points = [
[ 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.points]
self.X = [0.25, 0.4001]
self.X = [0.55, 0.45]
self.g = grid(self.points, self.q)
self.R = self.g.create_mesh(range(3))
self.exact = exact_func(self.X)
self.accuracy = 8
def test_R_contains_X(self):
self.assertTrue(contains(self.X, self.R.verts))
def test_RunBaker_1_extra_point(self, extra=1):
S = self.g.create_mesh(range(3, 3 + extra))
answer = run_baker(self.X, self.R, S)
lin_err = abs(self.exact - answer['qlin'])
final_err = abs(self.exact - answer['final'])
# I expect this one to be bad:
# self.assertTrue(lin_err >= final_err)
def test_RunBaker_2_extra_point(self, extra=2):
S = self.g.create_mesh(range(3, 3 + extra))
answer = run_baker(self.X, self.R, S)
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.create_mesh(range(3, 3 + extra))
answer = run_baker(self.X, self.R, S)
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.create_mesh(range(3, 3 + extra))
answer = run_baker(self.X, self.R, S)
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.create_mesh(range(3, 3 + extra))
answer = run_baker(self.X, self.R, S)
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)