wehub-resource-sync
25 lines
553 B
Python
Executable File
25 lines
553 B
Python
Executable File
import unittest
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import numpy as np
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from prml import nn
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class TestExp(unittest.TestCase):
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def test_exp(self):
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x = nn.Parameter(2.)
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y = nn.exp(x)
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self.assertEqual(y.value, np.exp(2))
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y.backward()
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self.assertEqual(x.grad, np.exp(2))
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x = np.random.rand(5, 3)
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p = nn.Parameter(x)
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y = nn.exp(p)
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self.assertTrue((y.value == np.exp(x)).all())
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y.backward(np.ones((5, 3)))
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self.assertTrue((p.grad == np.exp(x)).all())
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if __name__ == '__main__':
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unittest.main()
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