joddiy commented on a change in pull request #528: SINGA 475 - add logical
operator: and, or, xor, not & negative, reciprocal
URL: https://github.com/apache/incubator-singa/pull/528#discussion_r325107434
##########
File path: python/singa/autograd.py
##########
@@ -2522,3 +2523,144 @@ def backward(self, dy):
def max(a,b):
return Max()(a,b)[0]
+
+class And(Operation):
+ def __init__(self):
+ super(And, self).__init__()
+
+ def forward(self, a, b):
+ m = singa.__div__(a,b)
Review comment:
This part cannot pass the cpu test case, plz use this.
```
m = singa.__mul__(a, b)
cur = singa.PowFloat(singa.Sign(m), 2)
```
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