void output_deque()
{ int option,val;
clrscr();
do{ printf("\n ********** output deque menu ********");
printf("\n 1.insert at right");
printf("\n 2. insert at left");
printf("\n 3. delete from left");
printf("\n 4. display");
printf("\n enter your choice");
scanf("%d",&option);
switch(option)
{ case 1: printf("\n enter value to be inserted from right");
scanf("%d",&val);
insert_r(val);
break;
case 2: printf("\n enter value to be inserted from left");
scanf("%d",&val);
insert_f(val);
break;
case 3: val=delete_f();
if(val!=-999)
printf("\n value deleted from left is = %d",val);
break;
case 4: display();
break;
default: printf("\n wroung statement");
}
}while(option<=4 && option>=1);
}
void QtnpGraphicDialog::on_avg_clicked()
{
insert_f("avg");
}
void QtnpGraphicDialog::on_sum_clicked()
{
insert_f("sum");
}
void QtnpGraphicDialog::on_max_clicked()
{
insert_f("max");
}
void QtnpGraphicDialog::on_min_clicked()
{
insert_f("min");
}
void QtnpGraphicDialog::on_sqrt_clicked()
{
insert_f("sqrt");
}
void QtnpGraphicDialog::on_atan_clicked()
{
insert_f("atan");
}
void QtnpGraphicDialog::on_acos_clicked()
{
insert_f("acos");
}
void QtnpGraphicDialog::on_ctg_clicked()
{
insert_f("(1/tan");
insert(")");
ui->formula->setCursorPosition(ui->formula->cursorPosition()-1);
}