EndFieldModel.h

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/*
 *  Copyright (c) 2017, Chris Rogers
 *  All rights reserved.
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. Neither the name of STFC nor the names of its contributors may be used to
 *     endorse or promote products derived from this software without specific
 *     prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 */

#ifndef ENDFIELDMODEL_ENDFIELDMODEL_H_
#define ENDFIELDMODEL_ENDFIELDMODEL_H_

#include <iostream>
#include <vector>
#include <map>
#include <memory>

namespace endfieldmodel {
  
class EndFieldModel {
 public:
  virtual ~EndFieldModel() {;}

  virtual std::ostream& print(std::ostream& out) const = 0;

  virtual double function(double x, int n) const = 0;

  virtual double getCentreLength() const = 0;

  virtual double getEndLength() const = 0;

  virtual EndFieldModel* clone() const = 0;

  virtual void setMaximumDerivative(size_t n) = 0;

  virtual void rescale(double scaleFactor) = 0;

  static std::shared_ptr<EndFieldModel> getEndFieldModel(std::string name);

  static void setEndFieldModel(std::string name, std::shared_ptr<EndFieldModel> efm);

  static std::string getName(std::shared_ptr<EndFieldModel> efm);

private:
  static std::map<std::string, std::shared_ptr<EndFieldModel> > efm_map;
};

std::vector< std::vector<int> > CompactVector
                            (std::vector< std::vector<int> > vec);

bool GreaterThan(std::vector<int> v1, std::vector<int> v2);

template <class TEMP_ITER>
bool IterableEquality(TEMP_ITER a_begin, TEMP_ITER a_end,
                      TEMP_ITER b_begin, TEMP_ITER b_end);

template <class TEMP_ITER>
bool IterableEquality(TEMP_ITER a_begin, TEMP_ITER a_end,
                      TEMP_ITER b_begin, TEMP_ITER b_end);

template <class TEMP_CLASS>
bool IterableEquality(const TEMP_CLASS& a, const TEMP_CLASS& b) {
  return IterableEquality(a.begin(), a.end(), b.begin(), b.end());
}

template <class TEMP_ITER>
bool IterableEquality(TEMP_ITER a_begin, TEMP_ITER a_end, TEMP_ITER b_begin,
                      TEMP_ITER b_end) {
  TEMP_ITER a_it = a_begin;
  TEMP_ITER b_it = b_begin;
  while (a_it != a_end && b_it != b_end) {
    if (*a_it != *b_it) return false;
    ++a_it;
    ++b_it;
  }
  if ( a_it != a_end || b_it != b_end ) return false;
  return true;
}

}

#endif