Support out-of-place broadcast type definitions. #1869
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This means you can specify the types of the arguments to be expanded in a "broadcast:" definition, for cases where the types aren't THTensor. We previously only allowed this for in-place functions, but we are now allowing for out-of-place functions. Note we could detect types in the Broadcast plugin itself, but then we'd have to add parameter checking. Right now the Broadcast Plugin is simple and the definitions are self contained.
This functionality isn't currently exposed, but: