Esempio n. 1
0
void ParseFloatOpt(const std::string stringOpt, Cpu::real_vector &optVec){
    std::vector<std::string> tempArgs;
    std::vector<std::string> tempArgs2;
    std::vector<real_t> tmpresult;

    if (stringOpt.size()==0){
	optVec.clear();
	return;
    }
    
    boost::split(tempArgs, stringOpt, boost::is_any_of("_"));
    for (int i =0 ; i<tempArgs.size(); i++){
	boost::split(tempArgs2, tempArgs[i], boost::is_any_of("*"));
	if (tempArgs2.size() == 2){
	    int cnt = boost::lexical_cast<int>(tempArgs2[0]);
	    for (int j = 0; j < cnt; j++)
		tmpresult.push_back(boost::lexical_cast<real_t>(tempArgs2[1]));
	}else{
	    tmpresult.push_back(boost::lexical_cast<real_t>(tempArgs[i]));
	}
    }
    optVec.resize(tmpresult.size(), 0.0);
    for (int i=0;i<optVec.size();i++)
	optVec[i] = tmpresult[i];
}
Esempio n. 2
0
int ReadRealData(const std::string dataPath, Cpu::real_vector &data)
{
    // 
    std::ifstream ifs(dataPath.c_str(), std::ifstream::binary | std::ifstream::in);
    if (!ifs.good())
	throw std::runtime_error(std::string("Fail to open ")+dataPath);
    
    // get the number of we data
    std::streampos numEleS, numEleE;
    long int numEle;
    numEleS = ifs.tellg();
    ifs.seekg(0, std::ios::end);
    numEleE = ifs.tellg();
    numEle  = (numEleE-numEleS)/sizeof(real_t);
    ifs.seekg(0, std::ios::beg);
    
    // read in the data
    if (data.size() < numEle)
	data.resize(numEle, 0);
    
    real_t tempVal;
    for (unsigned int i = 0; i<numEle; i++){
	ifs.read ((char *)&tempVal, sizeof(real_t));
	data[i] = tempVal;
    }
    //thrust::copy(tempVec.begin(), tempVec.end(), data.begin());
    ifs.close();
    return numEle;
}