It looks like the sign function is not supported in ONNX, and therefore, not implemented in PyTorch. However, sign is an ATen operator (defined in VariableType.h) and I’m hoping I can add support for it to ONNX and PyTorch.
Can you share some pointers to how I can add support for sign function?
It looks like implementing the function in Experimental is one of the options, but I couldn’t find a good reference for adding functions to Experimental.