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restructure tie implementation and add some tests

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Zhenwen Dai 2014-09-19 18:49:00 +01:00
parent 6c226a129d
commit 077232c26f
3 changed files with 187 additions and 14 deletions
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GPy/testing/tie_tests.py Normal file
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# Copyright (c) 2012, GPy authors (see AUTHORS.txt).
# Licensed under the BSD 3-clause license (see LICENSE.txt)
import unittest
import numpy as np
import GPy
class TieTests(unittest.TestCase):
def test_tie_together(self):
m = GPy.examples.regression.sparse_GP_regression_1D(optimize=False, plot=False, checkgrad=False)
m.Z.constrain_positive(warning=False)
m.Z.tie_together()
self.assertTrue(m.ties.checkValueConsistence())
self.assertTrue(m.ties.checkValueConsistence())
self.assertTrue(m.ties.checkTieTogether([m.Z]))
self.assertTrue(m.checkgrad())
def test_tie_together_two(self):
m = GPy.examples.regression.sparse_GP_regression_1D(optimize=False, plot=False, checkgrad=False)
m.Z.constrain_positive(warning=False)
m.Z[:2].tie_together()
m.Z[2:4].tie_together()
self.assertTrue(m.ties.checkTieTogether([m.Z[:2]]))
self.assertTrue(m.ties.checkTieTogether([m.Z[2:4]]))
self.assertTrue(m.ties.checkValueConsistence())
self.assertTrue(m.ties.checkValueConsistence())
self.assertTrue(m.checkgrad())
def test_tie_together_merge(self):
m = GPy.examples.regression.sparse_GP_regression_1D(optimize=False, plot=False, checkgrad=False)
m.Z.constrain_positive(warning=False)
m.Z[:2].tie_together()
m.Z[1:3].tie_together()
self.assertTrue(m.ties.checkTieTogether([m.Z[:3]]))
self.assertTrue(m.ties.checkValueConsistence())
self.assertTrue(m.ties.checkValueConsistence())
self.assertTrue(m.checkgrad())
if __name__ == "__main__":
print "Running unit tests, please be (very) patient..."
unittest.main()