virtual void operator()() override
{
// u2::String szStr = "abcdefghijklmnopqrstuv";
// size_t uCurCount = 0;
// while (uCurCount < szStr.size())
// {
// uCurCount += m_pOutStream->write((const u2byte*)szStr.c_str() + uCurCount, szStr.size());
// }
//
// int a = 0;
FileInStream* pFileIn = U2_NEW FileInStream("aaa", "D://messagebox.zip", std::ios_base::in | std::ios_base::binary);
const size_t BUF_SIZE = 1000;
u2char s[BUF_SIZE] = {0};
size_t uTotal = 0;
while (!pFileIn->eof())
{
size_t uReadCount = pFileIn->read(s, BUF_SIZE);
size_t uWriteCount = 0;
while (uWriteCount < uReadCount)
{
uWriteCount += m_pOutStream->write(s + uWriteCount, uReadCount - uWriteCount);
}
uTotal += uWriteCount;
}
pFileIn->close();
m_pOutStream->close();
}
void Data::ImportData(std::string DataFile) {
std::ifstream FileInStream(DataFile.c_str());
std::string line;
if (FileInStream.is_open()) {
float sepal_length;
float sepal_width;
float petal_length;
float petal_width;
std::string flower_name;
while (std::getline(FileInStream, line)) {
std::istringstream InStringStream(line);
InStringStream >> sepal_length >> sepal_width >> petal_length >> petal_width >> flower_name;
DataStructure DS;
DS.SepalLength = sepal_length;
DS.PetalLength = petal_length;
DS.SepalWidth = sepal_width;
DS.PetalWidth = petal_width;
DS.ClasskNNID = 0;
if (flower_name == "Iris-setosa") {
DS.ClassTrueID = 1;
} else if (flower_name == "Iris-versicolor") {
DS.ClassTrueID = 2;
} else if (flower_name == "Iris-virginica") {
DS.ClassTrueID = 3;
}
/* Import the Test and Training points */
if ((rand() % 3 + 1) == 3) {
fNTest++;
fTestPoints.push_back(DS);
} else {
fNTrain++;
fTrainPoints.push_back(DS);
}
}
}
