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mainwindow.h
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mainwindow.h
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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QDebug>
struct Node{
QString type;
double num_val;
QString operation_val;
QString variable_val;
Node * next;
};
struct Pair {
int idx;
double result;
};
struct Pair_string{
int idx;
QString result;
};
class Queue {
public:
Node* head;
Node * tail;
Queue(){
head = nullptr;
tail = nullptr;
}
void push(QString type, double num = 0, QString operation_val = "", QString variable_val = ""){
Node * new_elem = new Node;
new_elem->type = type;
new_elem->num_val = num;
new_elem->operation_val = operation_val;
new_elem->variable_val = variable_val;
new_elem->next = nullptr;
if (tail == nullptr){
tail = new_elem;
head = tail;
} else {
tail->next = new_elem;
tail = tail->next;
}
}
void push_num(double num_val){
Node * new_elem = new Node;
new_elem->type = "num";
new_elem->num_val = num_val;
new_elem->variable_val = "";
new_elem->operation_val = "";
new_elem->next = nullptr;
if (tail == nullptr){
tail = new_elem;
head = tail;
} else {
tail->next = new_elem;
tail = tail->next;
}
}
void push_elem(Node * elem){
Node * new_elem = new Node;
new_elem->type = elem->type;
new_elem->num_val = elem->num_val;
new_elem->operation_val = elem->operation_val;
new_elem->variable_val = elem->variable_val;
new_elem->next = nullptr;
if (tail == nullptr){
tail = new_elem;
head = tail;
} else {
tail->next = new_elem;
tail = tail->next;
}
}
void push_variable(QString variable_val){
Node * new_elem = new Node;
new_elem->type = "variable";
new_elem->variable_val = variable_val;
new_elem->num_val = 0;
new_elem->operation_val = "";
new_elem->next = nullptr;
if (tail == nullptr){
tail = new_elem;
head = tail;
} else {
tail->next = new_elem;
tail = tail->next;
}
}
int size(){
if (tail == nullptr && tail == head) return 0;
Node * tmp = head;
int ans = 1;
while (tmp != tail){
++ans;
tmp = tmp->next;
}
return ans;
}
void push_operation(QString operation_val){
Node * new_elem = new Node;
new_elem->type = "operation";
new_elem->operation_val = operation_val;
new_elem->num_val = 0;
new_elem->variable_val = "";
new_elem->next = nullptr;
if (tail == nullptr){
tail = new_elem;
head = tail;
} else {
tail->next = new_elem;
tail = tail->next;
}
}
Node * pop () {
if (head == nullptr){
return nullptr;
}
Node * elem = new Node;
elem->next = nullptr;
elem->type = head->type;
elem->num_val = head->num_val;
elem->operation_val = head->operation_val;
elem->variable_val = head->variable_val;
head = head->next;
if (head == nullptr) tail = nullptr;
return elem;
}
bool is_empty(){
return (head == nullptr);
}
void clear(){
while (!this->is_empty()){
Node * q = this->pop();
delete (q);
}
head = tail = nullptr;
}
void print(){
qDebug() << "Print:";
Node * elem = head;
while (elem != nullptr){
if (elem->type == "num"){
qDebug() << elem->num_val;
} else if (elem->type == "operation"){
qDebug() << elem->operation_val;
} else if (elem->type == "variable"){
qDebug() << elem->variable_val;
}
elem = elem->next;
}
}
Node * last_in(){
if (tail == nullptr){
return nullptr;
}
Node * elem = new Node;
elem->next = nullptr;
elem->type = tail->type;
elem->num_val = tail->num_val;
elem->operation_val = tail->operation_val;
elem->variable_val = tail->variable_val;
return elem;
}
};
class Stack {
public:
Node * head;
Stack() {
head = nullptr;
}
void push(QString type, double num = 0, QString operation_val = "", QString variable_val = ""){
Node * new_elem = new Node;
new_elem->type = type;
new_elem->num_val = num;
new_elem->operation_val = operation_val;
new_elem->variable_val = variable_val;
new_elem->next = head;
head = new_elem;
}
void push_elem(Node * elem){
Node * new_elem = new Node;
new_elem->type = elem->type;
new_elem->num_val = elem->num_val;
new_elem->operation_val = elem->operation_val;
new_elem->variable_val = elem->variable_val;
new_elem->next = head;
head = new_elem;
}
void push_num(double num_val){
Node * new_elem = new Node;
new_elem->type = "num";
new_elem->variable_val = "";
new_elem->operation_val = "";
new_elem->num_val = num_val;
new_elem->next = head;
head = new_elem;
}
void push_operation(QString operation_val){
Node * new_elem = new Node;
new_elem->type = "operation";
new_elem->operation_val = operation_val;
new_elem->num_val = 0;
new_elem->variable_val = "";
new_elem->next = head;
head = new_elem;
}
void push_variable(QString variable_val){
Node * new_elem = new Node;
new_elem->type = "variable";
new_elem->variable_val = variable_val;
new_elem->operation_val = "";
new_elem->num_val = 0;
new_elem->next = head;
head = new_elem;
}
Node * pop () {
if (head == nullptr){
return nullptr;
}
Node * elem = new Node;
elem->next = nullptr;
elem->type = head->type;
elem->num_val = head->num_val;
elem->operation_val = head->operation_val;
elem->variable_val = head->variable_val;
head = head->next;
return elem;
}
Node * top(){
if (head == nullptr){
return nullptr;
}
Node * elem = new Node;
elem->next = nullptr;
elem->type = head->type;
elem->num_val = head->num_val;
elem->operation_val = head->operation_val;
elem->variable_val = head->variable_val;
return elem;
}
bool is_empty(){
return (head == nullptr);
}
void clear(){
while (!this->is_empty()){
Node * q = this->pop();
delete (q);
}
head = nullptr;
}
void print(){
qDebug() << "Print:";
Node * elem = head;
while (elem != nullptr){
if (elem->type == "num"){
qDebug() << elem->num_val;
} else if (elem->type == "operation"){
qDebug() << elem->operation_val;
} else if (elem->type == "variable"){
qDebug() << elem->variable_val;
}
elem = elem->next;
}
}
};
void question_button_clicked(QObject * obj);
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = nullptr);
~MainWindow();
Queue const_to_num(Queue q);
Queue Dijkstra(Queue q);
int get_priority(QString operation);
double evaluate(Queue input);
int get_argumets_amount(QString operation);
double calculate (QString s, double x, double y);
Queue get_variables_from_queue();
void get_variables_from_input();
void write_ans(double ans);
Queue get_new_queue();
double sin (double x);
double cos (double x);
double ln(double a);
double log(double a, double b);
double pow (double x, double a);
double pow_simple(double x, long long a);
double exp(double x);
bool checkCBS(QString s);
bool try_evaluate(Queue q);
void validate_log(Queue q);
bool validate_comma(QString &str);
Queue validate_function(Queue q);
void validate_space(QString &str);
void parse(QString &str, int idx);
Pair get_num(QString &str, int idx);
Pair make_pair(double result, int idx);
int operation_or_variable(QString &str, int idx);
Pair_string get_var(QString &str, int idx);
void keyPressEvent(QKeyEvent* event);
bool equal(double a, double b);
void output();
QString z_to_s(double a);
private slots:
void update_ans(int row, int col);
void on_btn_enter_clicked();
void on_btn_angle_clicked();
void on_theme_1_btn_clicked();
void on_theme_2_btn_clicked();
void on_theme_3_btn_clicked();
void on_theme_4_btn_clicked();
void on_btn_question_clicked();
void on_btn_stop_clicked();
void question_slot() {
question_button_clicked(sender());
}
private:
Ui::MainWindow *ui;
};
#endif // MAINWINDOW_H