Mercurial > pylearn

annotate _test_xlogx.py @ 672:27b1344a57b1

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Added preprocessing back in
author Joseph Turian <turian@gmail.com>
date Thu, 20 Nov 2008 06:38:06 -0500
parents 4e3629a894fa
children
rev   line source
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117e5b09cf31 Added an XlogX op.
Joseph Turian <turian@gmail.com>
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1 from xlogx import xlogx
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2
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3 import unittest
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4
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5 from theano import compile
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6 from theano import gradient
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7 from theano import function
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8 from theano.tensor import as_tensor
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242efecefd70 corrected import.
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9 import theano.tensor.basic as TT
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10
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11 import random
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12 import numpy.random
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13
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14 class T_XlogX(unittest.TestCase):
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15 def test0(self):
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16 x = as_tensor([1, 0])
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17 y = xlogx(x)
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18 f = function([],y)
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19 self.failUnless(numpy.all(f() == numpy.asarray([0, 0.])))
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20 def test1(self):
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21 class Dummy(object):
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22 def make_node(self, a):
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23 return [xlogx(a)[:,2]]
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24 TT.verify_grad(self, Dummy(), [numpy.random.rand(3,4)])
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25
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26
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27 if __name__ == '__main__':
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28 unittest.main()