127 lines
2.8 KiB
C++
127 lines
2.8 KiB
C++
#include "sqmtablemodel.h"
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SQMTableModel::SQMTableModel(QObject *parent)
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: QAbstractTableModel(parent) {
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}
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int SQMTableModel::rowCount(const QModelIndex & /*parent*/) const {
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return 2;
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}
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int SQMTableModel::columnCount(const QModelIndex & /*parent*/) const {
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return 3;
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}
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QVariant SQMTableModel::data(const QModelIndex &index, int role) const {
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try {
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if (role == Qt::DisplayRole) {
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int row = index.row();
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int col = index.column();
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return sqmMatrix.at(col).at(row);
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}
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}
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catch (...) {
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return QVariant();
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}
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}
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QVariant SQMTableModel::headerData(int section, Qt::Orientation orientation, int role) const {
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if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
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switch (section) {
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case 0:
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return QString("BIN");
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case 1:
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return QString("SQN");
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case 2:
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return QString("MUL");
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}
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}
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return QVariant();
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}
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bool SQMTableModel::setData(const QModelIndex &index, const QVariant &value, int role) {
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if (role == Qt::EditRole) {
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if (!checkIndex(index)) {
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return false;
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}
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int row = index.row();
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int col = index.column();
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// call calculateSqmMatrix
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sqmMatrix.at(col).at(row) = value.toInt();
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CalculateSqmMatrix(row);
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return true;
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}
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return false;
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}
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Qt::ItemFlags SQMTableModel::flags(const QModelIndex &index) const {
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return Qt::ItemIsEditable | QAbstractTableModel::flags(index);
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}
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void SQMTableModel::SetStartValues(int pBase, int pExp, int pMod) {
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base = pBase;
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exp = pExp;
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mod = pMod;
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CalculateSqmMatrix(0);
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}
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// Convert int to binary
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std::string SQMTableModel::IntToBinary(int n) {
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string bin;
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int mask = 1;
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while (n != 0) {
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bin += (n & mask) == 0 ? "0" : "1";
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n = n >> 1;
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}
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return bin;
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}
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void SQMTableModel::CalculateSqmMatrix() {
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// Clear sqmMatrix
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sqmMatrix.clear()
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// Calculate binary of exponent
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string bin = IntToBinary(exp);
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binLen = bin.length();
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// Init BIN Column
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vector<int> colBin;
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for (int i = 0; i < binLen; i++) {
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colBin.push_back(bin[i] - '0');
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}
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sqmMatrix.push_back(colBin);
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// Init SQN & MUL Column
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vector<int> colSqn, colMul;
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colSqn.push_back(1);
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colMul.push_back(base);
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sqmMatrix.push_back(colSqn);
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sqmMatrix.push_back(colMul);
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// Calculate SQM
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for (int i = 0; i < binLen; i++) {
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sqmMatrix.at(1).push_back((sqmMatrix.at(2).at(i - 1) * sqmMatrix.at(2).at(i - 1)) % mod);
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if (sqmMatrix.at(0).at(i) == 0) {
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sqmMatrix.at(2).push_back(sqmMatrix.at(1).at(i));
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}
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else {
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sqmMatrix.at(2).push_back((sqmMatrix.at(1).at(i) * base) % mod);
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}
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}
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}
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