Sigmoid backward implementation. #3181
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dzhwinter
reviewed
Aug 7, 2017
| @@ -12,5 +12,8 @@ def setUp(self): | |||
| self.Y = 1 / (1 + np.exp(-self.X)) | |||
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| #class TestSigmoidGradOp(unittest.TestCase): | |||
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need to add USE_OP(sigmoid_grad) in bybind, and test in python side.
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@dzhwinter Thanks, I'll add unit test after the unit test is ready for the backward op.
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Fix #3149