Mercurial > pylearn

annotate _test_nnet_ops.py @ 433:200a5b0e24ea

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Example showing parameter updates.
author Pascal Lamblin <lamblinp@iro.umontreal.ca>
date Thu, 31 Jul 2008 17:25:35 -0400
parents 43d9aa93934e
children 9cfc2fc0f4d1
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
419
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
3 import theano
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
4 import theano._test_tensor as TT
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
5 import numpy
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
6
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
7 from nnet_ops import *
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
8
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
9 class T_sigmoid(unittest.TestCase):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
10 def setUp(self):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
11 numpy.random.seed(9999)
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
12 def test_elemwise(self):
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
13 TT.verify_grad(self, sigmoid, [numpy.random.rand(3,4)])
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
14
69
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
15 class T_softplus(unittest.TestCase):
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
16 def setUp(self):
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
17 numpy.random.seed(9999)
8c2607f387e6 added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 30
diff changeset
18 def test_elemwise(self):
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
19 TT.verify_grad(self, softplus, [numpy.random.rand(3,4)])
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
20
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
21 class T_CrossentropySoftmax1Hot(unittest.TestCase):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
22 def setUp(self):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
23 numpy.random.seed(9999)
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
24 def test0(self):
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
25 y_idx = [0,1,3]
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
26 class Dummy(object):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
27 def make_node(self, a,b):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
28 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
29 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
30 numpy.random.rand(4)])
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
31
70
76e5c0f37165 better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 69
diff changeset
32 def test1(self):
76e5c0f37165 better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 69
diff changeset
33 y_idx = [0,1,3]
117
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
34 class Dummy(object):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
35 def make_node(self, a):
3ef569b92fba ported nnet_ops to new theano
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 70
diff changeset
36 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
37 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
38
419
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
39 class T_prepend(unittest.TestCase):
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
40 def test0(self):
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
41 """basic functionality"""
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
42 x=tensor.matrix('x')
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
43 y=Prepend_scalar_constant_to_each_row(4.)(x)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
44 f=theano.function([x],[y])
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
45 m=numpy.random.rand(3,5)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
46 my = f(m)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
47 self.failUnless(my.shape == (3, 6), my.shape)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
48 self.failUnless(numpy.all( my[:,0] == 4.0))
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
49
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
50
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
51 class T_prepend(unittest.TestCase):
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
52 def test0(self):
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
53 """basic functionality"""
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
54 x=tensor.matrix('x')
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
55 y=Prepend_scalar_to_each_row()(5.,x)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
56 f=theano.function([x],[y])
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
57 m=numpy.ones((3,5),dtype="float32")
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
58 my = f(m)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
59 self.failUnless(str(my.dtype) == 'float64')
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
60 self.failUnless(my.shape == (3, 6))
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
61 self.failUnless(numpy.all(my[:,0] == 5.0))
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
62
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
63 class T_solve(unittest.TestCase):
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
64 def setUp(self):
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
65 self.rng = numpy.random.RandomState(666)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
66
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
67 def test0(self):
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
68 A=self.rng.randn(5,5)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
69 b=numpy.array(range(5),dtype=float)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
70 x=numpy.linalg.solve(A,b)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
71 Ax = numpy.dot(A,x)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
72 are = theano.gradient.numeric_grad.abs_rel_err(Ax, b)
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
73 self.failUnless(numpy.all(are < 1.0e-5), (are, Ax, b))
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
74 #print A,b
43d9aa93934e added other_ops.py to nnet_ops; added basic tests, no docs.
James Bergstra <bergstrj@iro.umontreal.ca>
parents: 286
diff changeset
75 #print numpy.dot(A,x)
24
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
76
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
77
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
78 if __name__ == '__main__':
2e8be9f5412b added nnet_ops
bergstrj@iro.umontreal.ca
parents:
diff changeset
79 unittest.main()