ConstantPiece.h

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#ifndef CONSTANTPIECE_H_
#define CONSTANTPIECE_H_
 
#include "MUQ/Modeling/WorkPiece.h"
 
namespace muq {
  namespace Modeling {
    class ConstantPiece : public WorkPiece {
    public:
 
 
      ConstantPiece(std::vector<boost::any> const& outs);
 
 
      ConstantPiece();
 
 
      template<typename ith, typename... Args>
    ConstantPiece(ith const& in, Args... args) : ConstantPiece(args...) {
    // add this output to the begining of the output vector
    outputs.insert(outputs.begin(), in);
 
    // set the number of outputs
    numOutputs = outputs.size();
 
    // set the output types
    outputTypes = Types(Types(outputs));
      }
 
 
      template<typename last>
    ConstantPiece(last const& in) : WorkPiece(0, WorkPiece::Fix::Inputs) {
    // the outputs will never change so we should not clear them
    clearOutputs = false;
 
    // add this output to the begining of the output vector
    outputs.insert(outputs.begin(), in);
 
    // set the number of outputs
    numOutputs = outputs.size();
 
    // set the output types
    outputTypes = Types(Types(outputs));
      }
 
      void SetOutputs();
 
 
      void SetOutputs(std::vector<boost::any> const& outs);
 
 
      template<typename ith, typename... Args>
    void SetOutputs(ith const& in, Args... args) {
    // create an empty vector of outputs
    std::vector<boost::any> outs(0);
 
    // add this output to the begining of the output vector
    outs.insert(outs.begin(), in);
 
    // call recursively
    SetOutputs(outs, args...);
      }
 
    private:
 
 
      template<typename ith, typename... Args>
    void SetOutputs(std::vector<boost::any>& outs, ith const& in, Args... args) {
    // add this output
    outs.push_back(in);
 
    // call recursively
    SetOutputs(outs, args...);
      }
 
 
      template<typename last>
    void SetOutputs(std::vector<boost::any>& outs, last const& in) {
    // add this output
    outs.push_back(in);
 
    // call recursively
    SetOutputs(outs);
      }
 
 
      virtual void EvaluateImpl(muq::Modeling::ref_vector<boost::any> const& inputs) override;
 
    };
  } // namespace Modeling
} // namespace muq
 
#endif