Mercurial > pylearn
annotate _nnet_ops.py @ 99:a8da709eb6a9
in ArrayDataSet.__init__ if a columns is an index, we change it to be a list that containt only this index. This way, we remove the special case where the columns is an index for all subsequent call.
This was possing trouble with numpy.vstack() called by MinibatchWrapAroundIterator.next
| author | Frederic Bastien <bastienf@iro.umontreal.ca> |
|---|---|
| date | Tue, 06 May 2008 13:57:36 -0400 |
| parents | 76e5c0f37165 |
| children | 3ef569b92fba |
| rev | line source |
|---|---|
| 24 | 1 |
| 2 import unittest | |
| 3 import theano._test_tensor as TT | |
| 4 import numpy | |
| 5 | |
| 6 from nnet_ops import * | |
| 7 | |
| 8 class T_sigmoid(unittest.TestCase): | |
| 9 def setUp(self): | |
| 10 numpy.random.seed(9999) | |
| 11 def test_elemwise(self): | |
| 12 TT.verify_grad(self, Sigmoid, [numpy.random.rand(3,4)]) | |
| 13 | |
|
69
8c2607f387e6
added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
30
diff
changeset
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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): |
|
8c2607f387e6
added softplus, elaborated sigmoid
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
30
diff
changeset
|
18 TT.verify_grad(self, Softplus, [numpy.random.rand(3,4)]) |
| 24 | 19 |
| 20 class T_CrossentropySoftmax1Hot(unittest.TestCase): | |
| 21 def setUp(self): | |
| 22 numpy.random.seed(9999) | |
| 23 def test0(self): | |
| 24 y_idx = [0,1,3] | |
|
30
bf0145fa73e8
added c implementation for CrossentropySoftmax1Hot
bergstrj@iro.umontreal.ca
parents:
25
diff
changeset
|
25 def output1(a,b): |
|
70
76e5c0f37165
better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
69
diff
changeset
|
26 return crossentropy_softmax_1hot_with_bias(a, b, y_idx)[0:1] |
|
30
bf0145fa73e8
added c implementation for CrossentropySoftmax1Hot
bergstrj@iro.umontreal.ca
parents:
25
diff
changeset
|
27 TT.verify_grad(self, output1, [numpy.random.rand(3,4), |
|
bf0145fa73e8
added c implementation for CrossentropySoftmax1Hot
bergstrj@iro.umontreal.ca
parents:
25
diff
changeset
|
28 numpy.random.rand(4)]) |
| 24 | 29 |
|
70
76e5c0f37165
better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
69
diff
changeset
|
30 def test1(self): |
|
76e5c0f37165
better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
69
diff
changeset
|
31 y_idx = [0,1,3] |
|
76e5c0f37165
better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
69
diff
changeset
|
32 def output1(a): |
|
76e5c0f37165
better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
69
diff
changeset
|
33 return crossentropy_softmax_1hot(a, y_idx)[0:1] |
|
76e5c0f37165
better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
69
diff
changeset
|
34 TT.verify_grad(self, output1, [numpy.random.rand(3,4)]) |
|
76e5c0f37165
better docs & precondition testing for cross_entropy_softmax_1hot & friends
James Bergstra <bergstrj@iro.umontreal.ca>
parents:
69
diff
changeset
|
35 |
| 24 | 36 |
| 37 | |
| 38 if __name__ == '__main__': | |
| 39 unittest.main() |