apunkt/GPy
1
0
Fork 0
mirror of https://github.com/SheffieldML/GPy.git synced 2026-05-30 14:35:15 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix the bugs about tie found today

Browse source
This commit is contained in:
Zhenwen Dai 2014-09-22 16:45:54 +01:00
parent ca892e32e1
commit 494f38f788
3 changed files with 77 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

23
GPy/testing/tie_tests.py
View file

@ -2,6 +2,7 @@
# Licensed under the BSD 3-clause license (see LICENSE.txt)
import unittest
import numpy as np
import GPy
class TieTests(unittest.TestCase):
@ -54,6 +55,28 @@ class TieTests(unittest.TestCase):
self.assertTrue(m.ties.checkConstraintConsistency())
self.assertTrue(m.ties.checkTieVector([m.Z[:10],m.Z[10:20],m.Z[20:30],m.Z[30:40]]))
self.assertTrue(m.checkgrad())
def test_remove_tie(self):
x = np.random.rand(100,1)
y = np.random.rand(100,1)
m = GPy.models.SparseGPRegression(x,y,kernel=GPy.kern.RBF(1)+GPy.kern.Matern32(1))
m.kern.rbf.lengthscale.tie_together(m.kern.Mat32.lengthscale)
m.Z[:1].tie_together(m.Z[1:2])
m.kern.rbf.variance.tie_together(m.kern.Mat32.variance)
m.kern.rbf.lengthscale.untie()
self.assertTrue(m.ties.checkValueConsistency())
self.assertTrue(m.ties.checkConstraintConsistency())
self.assertTrue(m.ties.checkTieTogether([m.kern.rbf.variance,m.kern.Mat32.variance]))
self.assertTrue(m.ties.checkTieVector([m.Z[:1],m.Z[1:2]]))
self.assertTrue(m.checkgrad())
def test_tie_variational_posterior(self):
m = GPy.examples.dimensionality_reduction.bgplvm_oil_100(plot=False,optimize=False)
m.X[:10].tie_vector(m.X[10:20])
self.assertTrue(m.ties.checkValueConsistency())
self.assertTrue(m.ties.checkConstraintConsistency())
self.assertTrue(m.ties.checkTieVector([m.X[:10],m.X[10:20]]))
self.assertTrue(m.checkgrad())
if __name__ == "__main__":
print "Running unit tests, please be (very) patient..."