DataSourceUser.cpp

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#include "ElementsExamples/DataSourceUser.h"
 
#include <cstdlib>  // for size_t
 
namespace Elements {
namespace Examples {
 
double DataSourceUser::sumRecords(const DataSourceInterface& data_source) {
 
  using std::size_t;
 
  double sum = 0.;
 
  size_t records_number = data_source.countRecords();
  for (size_t index = 0; index < records_number; ++index) {
    sum += data_source.getRecordValue(index);
  }
 
  return sum;
}
 
}  // namespace Examples
}  // namespace Elements