ParseCast.cxx

Go to the documentation of this file.

#include "TMVA/RModelParser_ONNX.hxx"
#include "TMVA/ROperator_Cast.hxx"
#include "onnx_proto3.pb.h"
 
namespace TMVA {
namespace Experimental {
namespace SOFIE {
 
ParserFuncSignature ParseCast = [](RModelParser_ONNX &parser, const onnx::NodeProto &nodeproto) {
   ETensorType input_type;
   auto input_name = nodeproto.input(0);
   if (parser.IsRegisteredTensorType(input_name)) {
      input_type = parser.GetTensorType(input_name);
   } else {
      throw std::runtime_error("TMVA::SOFIE ONNX Parser Cast op has input tensor" + input_name +
                               "  but its type is not yet registered");
   }
 
   std::unique_ptr<ROperator> op;
   std::string attr_type;
 
   for (int_t i = 0; i < nodeproto.attribute_size(); i++) {
      std::string attribute_name = nodeproto.attribute(i).name();
      if (attribute_name == "to")
         attr_type = ConvertTypeToString(static_cast<ETensorType>(nodeproto.attribute(i).i()));
   }
 
   std::string output_name = nodeproto.output(0);
   switch (input_type) {
   case ETensorType::INT64:
   case ETensorType::DOUBLE:
   case ETensorType::FLOAT:
   case ETensorType::INT32: op.reset(new ROperator_Cast<float>(attr_type, nodeproto.input(0), output_name)); break;
   default:
      throw std::runtime_error("TMVA::SOFIE - Unsupported - Operator Cast does not yet support input type " +
                               std::to_string(static_cast<int>(input_type)));
   }
 
   if (!parser.IsRegisteredTensorType(output_name)) {
      ETensorType output_type = ConvertStringToType(attr_type);
      parser.RegisterTensorType(output_name, output_type);
   }
 
   return op;
};
 
} // namespace SOFIE
} // namespace Experimental
} // namespace TMVA