Fix equation in logical or op #6315
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kexinzhao
reviewed
Dec 5, 2017
| @@ -139,15 +139,16 @@ class LogicalOp : public framework::OperatorWithKernel { | |||
| ::paddle::operators::UnaryLogicalOpInferShape<_##op_type##Comment>, \ | |||
| ::paddle::framework::EmptyGradOpMaker); | |||
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| REGISTER_BINARY_LOGICAL_OP(logical_and, "Out = X && Y"); | |||
| REGISTER_BINARY_LOGICAL_OP(logical_and, "$$Out = X \\&\\& Y$$"); | |||
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What is the reason of putting \\ before &? I think \\ will serve as a line breaker. \& will escape and display & correctly.
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This is because it is a C++ string. Since \ is an escape character in C++ strings, we need to write \\ if we want a \ to be a part of the string parsed by latex.
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I see. Thanks for the clarification.
| REGISTER_UNARY_LOGICAL_KERNEL(logical_not, CPU, | ||
| paddle::operators::LogicalNotFunctor); | ||
| REGISTER_BINARY_LOGICAL_OP(logical_xor, "Out = (X || Y) && !(X && Y)"); | ||
| REGISTER_BINARY_LOGICAL_OP(logical_xor, | ||
| "$$Out = (X || Y) \\, \\&\\& \\, !(X \\&\\& Y)$$"); |
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Same here. Also why adding \\, in between?
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Fixes #6310