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Merge pull request #7 from jsalvatier/op_decorator
add tests for as_op decorator
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""" | ||
Tests for the Op decorator | ||
""" | ||
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import unittest | ||
from theano.tests import unittest_tools as utt | ||
from theano import function | ||
import theano | ||
from theano import tensor | ||
from theano.tensor import dmatrix, dvector | ||
import numpy as np | ||
from numpy import allclose | ||
from theano.compile import as_op | ||
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class OpDecoratorTests(unittest.TestCase): | ||
def test_1arg(self): | ||
x = dmatrix('x') | ||
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@as_op(dmatrix, dvector) | ||
def diag(x): | ||
return np.diag(x) | ||
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fn = function([x], diag(x)) | ||
r = fn([[1.5, 5],[2, 2]]) | ||
r0 = np.array([1.5, 2]) | ||
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assert allclose(r, r0), (r, r0) | ||
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def test_2arg(self): | ||
x = dmatrix('x') | ||
x.tag.test_value=np.zeros((2,2)) | ||
y = dvector('y') | ||
y.tag.test_value=[0,0] | ||
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@as_op([dmatrix, dvector], dvector) | ||
def diag_mult(x, y): | ||
return np.diag(x) * y | ||
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fn = function([x, y], diag_mult(x, y)) | ||
r = fn([[1.5, 5],[2, 2]], [1, 100]) | ||
r0 = np.array([1.5, 200]) | ||
print r | ||
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assert allclose(r, r0), (r, r0) | ||
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def test_infer_shape(self): | ||
x = dmatrix('x') | ||
x.tag.test_value=np.zeros((2,2)) | ||
y = dvector('y') | ||
y.tag.test_value=[0,0] | ||
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def infer_shape(node, shapes): | ||
x,y = shapes | ||
return [y] | ||
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@as_op([dmatrix, dvector], dvector, infer_shape) | ||
def diag_mult(x, y): | ||
return np.diag(x) * y | ||
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fn = function([x, y], diag_mult(x, y).shape) | ||
r = fn([[1.5, 5],[2, 2]], [1, 100]) | ||
r0 = (2,) | ||
print r | ||
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assert allclose(r, r0), (r, r0) | ||
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