eabffunc.C

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//
// The extended adaptive biasing force method has been contributed to NAMD by the following authors:
//
//    Haohao Fu and Christophe Chipot
//    Laboratoire International Associ\'e
//    Centre National de la Recherche Scientifique et University of Illinois at Urbana--Champaign
//    Unit\'e Mixte de Recherche No. 7565, Universit\'e de Lorraine
//    B.P. 70239, 54506 Vand\oe uvre-lès-Nancy cedex, France
//
// Copyright 2016, Centre National de la Recherche Scientifique
//

#ifndef FUNC_CPP
#define FUNC_CPP

#include "eabffunc.h"


// the trim method of string
// accept a string, remove the space in the left and right of the string
// return the reference of the same string
std::string& eabffunc::trim(std::string &s)
{
        if (s.empty())
        {
                return s;
        }

        s.erase(0, s.find_first_not_of(" "));
        s.erase(s.find_last_not_of(" ") + 1);
        return s;
}


// the split of string
// accept a string, return a vector<string>
void eabffunc::split(const std::string &s, std::vector<std::string>& ret)
{
        std::stringstream temp(s);
        std::string token;
        while (temp >> token)
        {
                ret.push_back(token);
        }
}

// convert string to int
int eabffunc::chartoint(const std::string& c)
{
        std::stringstream temp(c);
        int token;
        temp >> token;
        return token;
}

// convert string to double
double eabffunc::chartodouble(const std::string& c)
{
        std::stringstream temp(c);
        double token;
        temp >> token;
        return token;
}

// convert double to int
int eabffunc::doubletoint(const double a)
{
        if (a > 0)
                return int(a + 0.000001);
        else
                return int(a - 0.000001);
}

#endif