C / C++ / MFC

std::string CDataFile::mf_FormatNumber(const int& iVariable, const int& iSample, const bool& bIsDAT_Format)
{
	try
	{
		char buffer[200]       = {0};
		std::string numstring  = "";
		std::string buffstring = "";
		std::string result     = "";

		if(bIsDAT_Format)
		{
			result = (m_v2dData.at(iVariable).at(iSample) >= 0.0) ? std::string(" ") : std::string("");
			sprintf( buffer,"%.5E", m_v2dData.at(iVariable).at(iSample));
		}
		else
		{
			result = (m_v2dData.at(iVariable).at(iSample) >= 0.0) ? "  " : " ";
			sprintf( buffer,"%.17E", m_v2dData.at(iVariable).at(iSample));
		}

		numstring  = buffer;

		if(numstring.length()-numstring.find_last_of("E") == 5)
		{
			buffstring = numstring;

			if(bIsDAT_Format)
				numstring.resize((m_v2dData.at(iVariable).at(iSample) >= 0.0) ? 9 : 10);
			else
				numstring.resize((m_v2dData.at(iVariable).at(iSample) >= 0.0) ? 21 : 22);

			numstring += buffstring[buffstring.find_last_of("E")+3];
			numstring += buffstring[buffstring.find_last_of("E")+4];
		}

		result += numstring;
		return result;
	}

	catch(...)
	{
		std::string szerr = "";
		char errbuff[1024] = {0};
		sprintf(errbuff,"ERROR formatting Var: %d Sample %d! \nDetails: %s", iVariable, iSample,m_szError.c_str());
		szerr = errbuff;
		return szerr;
	}
}