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arit_ops.h
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arit_ops.h
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#ifndef _ARITHMETIC_OPS_
#define _ARITHMETIC_OPS_
#include <math.h>
#include "io_utils.h"
#include "menu.h"
#include "ui.h"
struct Arithmetic
{
static void menu();
static void add();
static void sub();
static void mul();
static void div();
static void square();
static void squareRoot();
static void cube();
};
void Arithmetic::menu()
{
const MenuItem items[] =
{
{ 31, 5, "ARITHMETIC OPERATIONS", NO_OP },
{ 21, 8, " Addition ", add },
{ 21, 9, " Subtraction ", sub },
{ 21, 10, " Multiplication ", mul },
{ 21, 11, " Division ", div },
{ 21, 12, " Square ", square },
{ 21, 13, " Square Root ", squareRoot },
{ 21, 14, " Cube ", cube },
{ 21, 15, " BACK (ESC) ", NO_OP }
};
const size_t nItems = sizeof(items) / sizeof(items[0]);
Menu menu(items, nItems);
menu.start();
}
void Arithmetic::add()
{
do
{
clrscr();
print(30, 5, "± Addition ±", YELLOW);
double num = 1.0;
double ans = 0.0;
int row = 9;
while (num > 0.0)
{
input(20, row, "Enter a number (input stops at 0): ", num);
if (num == 0) break;
if (row >= 25)
{
gotoxy(1, 1); delline();
--row;
gotoxy(20, row);
}
else
{
++row;
}
ans += num;
}
clrscr();
gotoxy(24, 12); cprintf("Sum of all values = %f\n", ans);
} while (confirm(15, 15) != ESC);
drawBorder();
}
void Arithmetic::sub()
{
do
{
clrscr();
print(30, 5, "± Subtraction ±", YELLOW);
double num1 = 0.0;
double num2 = 0.0;
input(24, 9, "Enter first number (enter 0 to quit): ", num1);
if (num1 == 0) break;
input(24, 10, "Enter second number (enter 0 to quit): ", num2);
if (num2 == 0) break;
gotoxy(24, 12); cprintf("Difference of %f - %f is: %f", num1, num2, num1 - num2);
} while (confirm(15, 15) != ESC);
drawBorder();
}
void Arithmetic::mul()
{
do
{
clrscr();
print(30, 5, "± Multiplication ±", YELLOW);
double num = 1.0;
double ans = 0.0;
int row = 9;
while (num != 0.0)
{
input(20, row, "Enter a number (input stops at 0): ", num);
if (num == 0.0) break;
if (row >= 25)
{
gotoxy(1, 1); delline();
--row;
gotoxy(20, row);
}
else
{
row++;
}
ans *= num;
}
clrscr();
gotoxy(24, 12); cprintf("Product of all values is = %f\n", ans);
} while (confirm(15, 15) != ESC);
drawBorder();
}
void Arithmetic::div()
{
do
{
clrscr();
print(30, 5, "± Division ±", YELLOW);
double num1 = 0.0;
double num2 = 0.0;
input(24, 9, "Enter first number: ", num1);
input(24, 10, "Enter second number: ", num2);
if (num2 == 0)
{
invalidInput(15, 12, "Denominator cannot be zero! Press any key to continue...");
continue;
}
gotoxy(20, 12); cprintf("Quotient of %f / %f is: %f", num1, num2, num1 / num2);
} while (confirm(15, 15) != ESC);
drawBorder();
}
void Arithmetic::square()
{
do
{
clrscr();
print(30, 5, "± Square (ný) ±", YELLOW);
double num = 0.0;
input(24, 9, "Enter a number (enter 0 to quit): ", num);
if (num == 0) break;
gotoxy(24, 12); cprintf("Square of %f is: %f", num, num * num);
} while (confirm(15, 15) != ESC);
drawBorder();
}
void Arithmetic::squareRoot()
{
do
{
clrscr();
print(30, 5, "± Square Root ±", YELLOW);
double num = 0.0;
input(24, 9, "Enter a number (enter 0 to quit): ", num);
if (num == 0.0) break;
if (num < 0)
{
invalidInput(4, 13, "Negative value is not allowed! Press any key to continue...");
continue;
}
gotoxy(24, 12); cprintf("Square Root of %lf is: %lf", num, sqrt(num));
} while (confirm(15, 15) != ESC);
drawBorder();
}
void Arithmetic::cube()
{
do
{
clrscr();
print(30, 5, "± Cube ±", YELLOW);
double num = 0.0;
input(24, 9, "Enter a number: ", num);
gotoxy(24, 12); cprintf("Cube of %f is: %f", num, num * num * num);
} while (confirm(15, 15) != ESC);
drawBorder();
}
#endif // _ARITHMETIC_OPS_