//	Ex320.cc

//	Sec. 3.2 of lecture
//	Aritmetic Operations

#include <iostream.h>

main()
{
 int   i,j;
 float ij_mod, ij_div, float_ij_div;
 
 i = 8;
 j = 3;
 
 ij_div = i / j;			// Attention
 
 ij_mod = i % j;
 
 cout << i << " div " << j << " = " << ij_div << endl;
 cout << i << " mod " << j << " = " << ij_mod << endl;
 
 float_ij_div = i/(float)j;		// explicit or 
 float_ij_div = i/(j+0.);		// implicit type conversion

 cout << i << "/" << j << " = " << float_ij_div << endl;

//-----------------------------------------------------

 cout << endl << "-------------------------" << endl;
 
 int k;
 double x = 2.1;
 
 k = 1;			// k stores 1
 cout << " k_1 : " << k << endl;
 
 k = 9/8;		// k stores 1, Int. Div.
 cout << " k_2 : " << k << endl;

 k = 3.14;		// k stores 3, truncated
 cout << " k_3 : " << k << endl;
 
 k = -3.14;		// k stores -3 or -4, compiler dependent
 cout << " k_4 : " << k << endl;
 
 k = 2.9e40;		// undefined
 cout << " k_5 : " << k << endl;
 
 x = 9/10;		// x stores 0
 cout << " x_1 : " << x << endl;
 
 x = (1.0+1)/2;		// x stores 1.0
 cout << " x_2 : " << x << endl;
 
 x = 1 + 1.0/2;		// x stores 1.5
 cout << " x_3 : " << x << endl;
 
 x = 0.5 + 1/2;		// x stores 0.5
 cout << " x_4 : " << x << endl;

}