Utility.cpp

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//Copyright (c) 2004-2005, Baris Sumengen
//All rights reserved.
//
// CIMPL Matrix Performance Library
//
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//permitted provided that the following
//conditions are met:
//
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//    This software can only be used
//    for non-commercial purposes. This 
//    distribution is mainly intended for
//    academic research and teaching.
//    * Redistributions of source code must
//    retain the above copyright notice, this
//    list of conditions and the following
//    disclaimer.
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//    readme, and web site of the redistributed 
//    software.
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#include "./Utility.h"

#include <iostream>

using std::cout;
using std::cerr;
using std::endl;



namespace CIMPL
{



        Utility::Utility(void)
        {
        }


        Utility::~Utility(void)
        {
        }


        void Utility::RunTimeError(char *message)
        {
                cerr << "Run Time Error!" << endl;
                cerr << message << endl;
                cerr << "Exiting now..." << endl << endl;
                exit(1);
        }


        void Utility::Warning(char *message)
        {
                cout << "Warning!" << endl;
                cout << message << endl << endl ;
        }


        void Utility::CheckPointer(void *p)
        {
                if(p == 0)
                {
                        cerr << "Memory Allocation Error. May be out of memory!" << endl;
                        cerr << "Exiting now..." << endl << endl;
                        exit(1);
                }
        }

        vector<string> Utility::Split(const string& str, const string& delimiters)
        {
                std::vector<string> tokens;
                string::size_type lastPos = str.find_first_not_of(delimiters, 0);
                string::size_type pos = str.find_first_of(delimiters, lastPos);
                while (string::npos != pos || string::npos != lastPos)
                {
                        tokens.push_back(str.substr(lastPos, pos - lastPos));
                        lastPos = str.find_first_not_of(delimiters, pos);
                        pos = str.find_first_of(delimiters, lastPos);
                }
                return tokens;
        }

        string Utility::Join(vector<string>& tokens, const string delim)
        {
                string temp = "";

                vector<string>::const_iterator constIterator;
                int i = 0;
                for(constIterator = tokens.begin(); constIterator != tokens.end(); constIterator++)
                {
                        if(i != 0)
                        {
                                temp += delim;
                        }
                        temp += *constIterator;
                        i++;
                }
                
                return temp;
        }


        int Utility::ToInt(string &s)
        {
                int temp;
                std::stringstream ss(s);
                ss >> temp;
                return temp;
        }


        double Utility::ToDouble(string &s)
        {
                double temp;
                std::stringstream ss(s);
                ss >> temp;
                return temp;
        }






}; // namespace

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