EndFieldModel.cpp

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/*
 *  Copyright (c) 2017, Chris Rogers
 *  All rights reserved.
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 *  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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#include "AbsBeamline/EndFieldModel/EndFieldModel.h"
#include <algorithm>
#include <map>
#include <sstream>
#include "Utilities/GeneralOpalException.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 GeneralOpalException(
                    "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 GeneralOpalException(
                "EndFieldModel::getName", "Could not find EndFieldModel with address " + ss.str());
    }
 
}  // namespace endfieldmodel