Mercurial > pylearn

annotate _test_nnet_ops.py @ 310:ebccfd05ccd5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
dataset.subset implemented
author Thierry Bertin-Mahieux <bertinmt@iro.umontreal.ca>
date Wed, 11 Jun 2008 11:43:54 -0400
parents 2ee53bae9ee0
children 43d9aa93934e
rev   line source
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
1
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
2 import unittest
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
3 import theano._test_tensor as TT
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
4 import numpy
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
5
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
6 from nnet_ops import *
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
7
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
8 class T_sigmoid(unittest.TestCase):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
9 def setUp(self):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
10 numpy.random.seed(9999)
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
11 def test_elemwise(self):
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
12 TT.verify_grad(self, sigmoid, [numpy.random.rand(3,4)])
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
13
69
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
14 class T_softplus(unittest.TestCase):
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
15 def setUp(self):
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
16 numpy.random.seed(9999)
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
17 def test_elemwise(self):
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
18 TT.verify_grad(self, softplus, [numpy.random.rand(3,4)])
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
19
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
20 class T_CrossentropySoftmax1Hot(unittest.TestCase):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
21 def setUp(self):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
22 numpy.random.seed(9999)
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
23 def test0(self):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
24 y_idx = [0,1,3]
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
25 class Dummy(object):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
26 def make_node(self, a,b):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
27 return crossentropy_softmax_1hot_with_bias(a, b, y_idx)[0:1]
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
28 TT.verify_grad(self, Dummy(), [numpy.random.rand(3,4),
30
bf0145fa73e8 added c implementation for CrossentropySoftmax1Hot
bergstrj@iro.umontreal.ca
parents: 25
diff changeset
29 numpy.random.rand(4)])
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
30
70
76e5c0f37165 better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 69
diff changeset
31 def test1(self):
76e5c0f37165 better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 69
diff changeset
32 y_idx = [0,1,3]
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
33 class Dummy(object):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
34 def make_node(self, a):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
35 return crossentropy_softmax_1hot(a, y_idx)[0:1]
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
36 TT.verify_grad(self, Dummy(), [numpy.random.rand(3,4)])
70
76e5c0f37165 better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 69
diff changeset
37
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
38
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
39
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
40 if __name__ == '__main__':
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
41 unittest.main()