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41 lines
894 B
C
41 lines
894 B
C
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/*
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MassLookup.h
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Generates a map for isotopic masses using AMDC data; subtracts away
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electron mass from the atomic mass by default. Creates a static global instance
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of this map (MASS) for use throughout code it is included into.
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Written by G.W. McCann Aug. 2020
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*/
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#ifndef MASS_LOOKUP_H
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#define MASS_LOOKUP_H
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <unordered_map>
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#include <stdexcept>
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class MassLookup {
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public:
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MassLookup();
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~MassLookup();
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double FindMass(int Z, int A);
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std::string FindSymbol(int Z, int A);
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private:
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std::unordered_map<std::string, double> massTable;
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std::unordered_map<int, std::string> elementTable;
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//constants
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static constexpr double u_to_mev = 931.4940954;
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static constexpr double electron_mass = 0.000548579909;
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};
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//static instance for use throught program
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static MassLookup MASS;
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#endif
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