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mainwindow.cpp
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mainwindow.cpp
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QFileDialog>
#include <QMessageBox>
#include <string>
#include <iostream>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::showFloatSummary(struct FloatSummary summary) {
if (model != nullptr) {
delete model;
}
model = new QStandardItemModel(2, 3, this);
QStringList rows, cols;
cols.append("x");
cols.append("y");
cols.append("+");
rows.append("bisekcja");
rows.append("regula falsi");
rows.append("sieczne");
model->index(1,1, model->index(0,0));
model->setHorizontalHeaderLabels(rows);
model->setVerticalHeaderLabels(cols);
model->setItem(0, 0, new QStandardItem(QString::fromStdString(summary.bisection.x)));
model->setItem(1, 0, new QStandardItem(QString::fromStdString(summary.bisection.y)));
model->setItem(2, 0, new QStandardItem(QString::fromStdString(summary.bisection.more)));
model->setItem(0, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.x)));
model->setItem(1, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.y)));
model->setItem(2, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.more)));
model->setItem(0, 2, new QStandardItem(QString::fromStdString(summary.secant.x)));
model->setItem(1, 2, new QStandardItem(QString::fromStdString(summary.secant.y)));
model->setItem(2, 2, new QStandardItem(QString::fromStdString(summary.secant.more)));
ui->result->setModel(model);
ui->result->resizeRowsToContents();
ui->result->resizeColumnsToContents();
}
void MainWindow::showIntervalSummary(struct IntervalSummary summary) {
if (model != nullptr) {
delete model;
}
model = new QStandardItemModel(2, 3, this);
QStringList rows, cols;
cols.append("x");
cols.append("m(x)");
cols.append("d(x)");
cols.append("y");
cols.append("+");
rows.append("bisekcja");
rows.append("regula falsi");
rows.append("sieczne");
model->index(1,1, model->index(0,0));
model->setHorizontalHeaderLabels(rows);
model->setVerticalHeaderLabels(cols);
model->setItem(0, 0, new QStandardItem(QString::fromStdString(summary.bisection.x)));
model->setItem(1, 0, new QStandardItem(QString::fromStdString(summary.bisection.median)));
model->setItem(2, 0, new QStandardItem(QString::fromStdString(summary.bisection.width)));
model->setItem(3, 0, new QStandardItem(QString::fromStdString(summary.bisection.y)));
model->setItem(4, 0, new QStandardItem(QString::fromStdString(summary.bisection.more)));
model->setItem(0, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.x)));
model->setItem(1, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.median)));
model->setItem(2, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.width)));
model->setItem(3, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.y)));
model->setItem(4, 1, new QStandardItem(QString::fromStdString(summary.regulafalsi.more)));
model->setItem(0, 2, new QStandardItem(QString::fromStdString(summary.secant.x)));
model->setItem(1, 2, new QStandardItem(QString::fromStdString(summary.secant.median)));
model->setItem(2, 2, new QStandardItem(QString::fromStdString(summary.secant.width)));
model->setItem(3, 2, new QStandardItem(QString::fromStdString(summary.secant.y)));
model->setItem(4, 2, new QStandardItem(QString::fromStdString(summary.secant.more)));
ui->result->setModel(model);
ui->result->resizeRowsToContents();
ui->result->resizeColumnsToContents();
}
void MainWindow::on_loadFunction_clicked()
{
QString library_path = QFileDialog::getOpenFileName(this, "Wczytaj funkcję",
QDir::currentPath(),
"Biblioteka dynamiczna (*.so)");
if (library_path.isNull()) {
return;
}
try {
backend.loadFunction(library_path.toLatin1().data());
} catch (const char *error) {
QMessageBox::warning(this, "Błąd", error);
return;
}
ui->solve->setEnabled(true);
}
void MainWindow::on_solve_clicked()
{
std::string a_str, b_str;
int mode;
a_str = ui->aInput->text().toStdString();
b_str = ui->bInput->text().toStdString();
mode = ui->intervalArithmetic->isChecked();
backend.decimals = ui->decimals->value();
backend.bisectionTolerance = pow(10.0l, ui->bisectionTolerance->value());
backend.bisectionIterations = ui->bisectionIterations->value();
try {
if (mode == 1) {
struct IntervalSummary output = backend.solveInterval(a_str, b_str);
showIntervalSummary(output);
} else {
struct FloatSummary output = backend.solveFloatingPoint(a_str, b_str);
showFloatSummary(output);
}
} catch (const char *error) {
QMessageBox::warning(this, "Błąd", error);
return;
}
}