EndFieldModel.cpp

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/*
 *  Copyright (c) 2017, Chris Rogers
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 *     and/or other materials provided with the distribution.
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 *     prior written permission.
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#include <algorithm>
#include <sstream>
#include <map>
#include "Utilities/GeneralClassicException.h"
#include "AbsBeamline/EndFieldModel/EndFieldModel.h"
 
namespace endfieldmodel {
 
bool GreaterThan(std::vector<int> v1, std::vector<int> v2) {
  size_t n1(v1.size()), n2(v2.size());
  for (size_t i = 0; i < n1 && i < n2; ++i) {
    if (v1[n1-1-i] > v2[n2-1-i]) return true;
    if (v1[n1-1-i] < v2[n2-1-i]) return false;
  }
  return false;
}
 
std::vector< std::vector<int> > CompactVector(
                              std::vector< std::vector<int> > vec) {
  // first sort the list
  std::sort(vec.begin(), vec.end(), GreaterThan);
  // now look for n = n+1
  for (size_t j = 0; j < vec.size()-1; ++j) {
    while (j < vec.size()-1 && IterableEquality(
                              vec[j].begin()+1, vec[j].end(),
                              vec[j+1].begin()+1, vec[j+1].end()) ) {
      vec[j][0] += vec[j+1][0];
      vec.erase(vec.begin()+j+1);
    }
  }
  return vec;
}
 
std::map<std::string, std::shared_ptr<EndFieldModel> > EndFieldModel::efm_map;
 
std::shared_ptr<EndFieldModel> EndFieldModel::getEndFieldModel(std::string name) {
    try {
        return efm_map.at(name);
    } catch (std::exception& exc) {
        throw GeneralClassicException("EndFieldModel::getEndFieldModel",
              "Could not find EndFieldModel with name '"+name+"'");
    }
}
 
void EndFieldModel::setEndFieldModel(std::string name, 
                                     std::shared_ptr<EndFieldModel> efm) {
    efm_map[name] = efm;
}
 
std::string EndFieldModel::getName(std::shared_ptr<EndFieldModel> efm) {
    typedef std::map<std::string, std::shared_ptr<EndFieldModel> > EfmMap;
    for (EfmMap::iterator it = efm_map.begin(); it != efm_map.end(); ++it) {
        if (it->second == efm) {
            return it->first;
        }
    }
    std::stringstream ss;
    ss << efm;
    throw GeneralClassicException("EndFieldModel::getName",
                        "Could not find EndFieldModel with address "+ss.str());
}
 
 
}