TemplatedDataSourceUser.tpp

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/*
 * @file ElementsExamples/TemplateDataSourceUser.tpp
 *
 *  Created on: Sep 23, 2015
 *      Author: fdubath
 *
 * @copyright 2012-2020 Euclid Science Ground Segment
 *
 * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation; either version 3.0 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
#ifndef ELEMENTSEXAMPLES_ELEMENTSEXAMPLES_TEMPLATEDDATASOURCEUSER_IMPL_
#error "This file should not be included directly! Use ElementsExamples/TemplatedDataSourceUser.h instead"
#else
 
#include <cstddef>  // for std::size_t
 
namespace Elements {
namespace Examples {
 
template <typename T>
double TemplatedDataSourceUser::sumRecords(const T& data_source) {
  double      sum            = 0.;
  std::size_t records_number = data_source.countRecords();
  for (std::size_t index = 0; index < records_number; ++index) {
    sum += data_source.getRecordValue(index);
  }
 
  return sum;
}
 
}  // namespace Examples
}  // namespace Elements
 
#endif  // ELEMENTSEXAMPLES_ELEMENTSEXAMPLES_TEMPLATEDDATASOURCEUSER_IMPL_