src/api/model_metric.i

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/*interface file for swig */

%module model_metric
%{
#include "singa/model/metric.h"
using singa::Tensor;
%}

namespace singa {
class Metric {
 public:
  Metric() = default;
  virtual ~Metric() {}
  virtual Tensor Forward(const Tensor& prediction, const Tensor& target) = 0;
  float Evaluate(const Tensor& prediction, const Tensor& target);
};
class Accuracy : public Metric {
 public:
  Tensor Forward(const Tensor& prediction, const Tensor& target);
};

}