NumberPtr Number::Read(Input &input)
{
Integer ten(10);
auto_ptr<Integer> intValue(new Integer);
while(input.Current() >= '0' && input.Current() <= '9')
{
Integer digit(input.Current() - '0');
intValue = intValue->Times(&ten)->Plus(&digit);
input.Next();
}
// Process part after decimal separator
if(input.Current() == '.')
{
// Cast the current value to float (just to prevent compiler warning)
auto_ptr<MachineReal> realValue(new MachineReal(intValue));
input.Next();
auto_ptr<MachineReal> factor(new MachineReal(1.0));
MachineReal tenth(0.1);
while(input.Current() >= '0' && input.Current() <= '9')
{
MachineReal digit(input.Current() - '0');
factor = factor->Times(&tenth);
realValue = realValue->Plus(factor->Times(&digit).get());
input.Next();
}
return NumberPtr(realValue);
}
else
return NumberPtr(intValue);
}
//Menu algorithmos condicionais
void load_alg_conditional(void)
{
do
{
printf("\n\t../Conditional Algorithms \n");
printf("\nPlease choose one of the following options:\n");
printf("______________________________________________________\n\n");
printf("1.------------------------------------------------------\n");
printf("2.------------------------------------------------------\n");
printf("3.------------------------------------------------------\n");
printf("4.------------------------------------------------------\n");
printf("5.------------------------------------------------------\n");
printf("6.------------------------------------------------------\n");
printf("7.------------------------------------------------------\n");
printf("8.------------------------------------------------------\n");
printf("9.------------------------------------------------------\n");
printf("10.-----------------------------------------------------\n");
printf("11.-----------------------------------------------------\n");
printf("12.Return...\n");
printf("13.Exit\n");
printf("_____________________________________________________\n\n");
printf("\t\tEnter Choice: ");
scanf("%u", &choice);
system("clear");
switch(choice)
{
case 1: first();
break;
case 2: second();
break;
case 3: third();
break;
case 4: fourth();
break;
case 5: fifth();
break;
case 6: sixth();
break;
case 7: seventh();
break;
case 8: eighth();
break;
case 9: ninth();
break;
case 10: tenth();
break;
case 11: eleventh();
break;
case 12: load_menu();
break;
case 13: printf("\n Quitting program!\n");
exit(FLAG);
break;
default: printf("\n Invalid choice!\n");
break;
}
} while (choice != 8);
}
