facilities.hpp

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#ifndef MLPACK_CORE_CV_METRICS_FACILITIES_HPP
#define MLPACK_CORE_CV_METRICS_FACILITIES_HPP

#include <mlpack/core.hpp>

namespace mlpack {
namespace cv {

template<typename DataType>
void AssertSizes(const DataType& data,
                 const arma::Row<size_t>& labels,
                 const std::string& callerDescription)
{
  if (data.n_cols != labels.n_elem)
  {
    std::ostringstream oss;
    oss << callerDescription << ": number of points (" << data.n_cols << ") "
        << "does not match number of labels (" << labels.n_elem << ")!"
        << std::endl;
    throw std::invalid_argument(oss.str());
  }
}

} // namespace cv
} // namespace mlpack

#endif