types.h

/* * libeisdrt - A library to calculate EIS Drts
 * Copyright (C) 2023 Carl Klemm <carl@uvos.xyz>
 *
 * This file is part of libeisdrt.
 *
 * libeisdrt is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * libeisdrt is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libeisdrt.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
#include <exception>
#include <string>
 
class drt_error: public std::exception
{
        std::string whatStr;
public:
        drt_error(const std::string& whatIn): whatStr(whatIn)
        {}
        virtual const char* what() const noexcept override
        {
                return whatStr.c_str();
        }
};
 
struct FitMetrics
{
        int iterations; 
        double fx;              
        bool compleated;        
};
 
struct FitParameters
{
        int maxIter;
        double epsilon;
        double step;
        FitParameters(int maxIterI, double epsilonI = 1e-2, double stepI = 0.001): maxIter(maxIterI), epsilon(epsilonI), step(stepI){}
};