tsgDreamEnumerates.hpp

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/*
 * Copyright (c) 2017, Miroslav Stoyanov
 *
 * This file is part of
 * Toolkit for Adaptive Stochastic Modeling And Non-Intrusive ApproximatioN: TASMANIAN
 *
 * 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 the copyright holder nor the names of its contributors may be used to endorse
 *    or promote products derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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#ifndef __TASMANIAN_DREAM_ENUMERATES_HPP
#define __TASMANIAN_DREAM_ENUMERATES_HPP
 
#include <random>
 
#include "TasmanianSparseGrid.hpp"
 
namespace TasDREAM{
 
namespace Utils{
    using TasGrid::Utils::size_mult;
    using TasGrid::Utils::Wrapper2D;
    using TasGrid::Utils::copyArray;
}
 
 
enum TypeSamplingForm{
    regform,
 
    logform
};
 
 
enum TypeDistribution{
    dist_uniform,
 
    dist_gaussian,
 
    dist_exponential,
 
    dist_beta,
 
    dist_gamma,
 
    dist_none,
 
    dist_null
};
 
namespace IO{
    inline TypeSamplingForm intToForm(int form){ return (form == 0) ? regform : logform; }
 
    inline std::map<std::string, TypeDistribution> getStringRuleMap(){
        return std::initializer_list<std::pair<std::string const, TypeDistribution>>{
            {"null",        dist_null},
            {"none",        dist_none},
            {"uniform",     dist_uniform},
            {"gaussian",    dist_gaussian},
            {"exponential", dist_exponential},
            {"beta",        dist_beta},
            {"gamma",       dist_gamma}};
    }
 
    inline TypeDistribution getDistributionString(std::string const &name){
        try{
            return getStringRuleMap().at(name);
        }catch(std::out_of_range &){
            return dist_null;
        }
    }
}
 
namespace DreamMaths{
constexpr double pi = TasGrid::Maths::pi;
}
 
}
 
#endif