/*	DataTypes.c	*/


#include "stdio.h"

main()
{
/*	Define variables	*/

 float		rf;
 double		rd;
 long double	rl;
 short		is;
 int		ii;
 long int	il;
 long long int	ill;
 unsigned int	iu;

/*	Set variables	*/

 rf = 1.23456789;
 rd = 1.23456789;
 rl = 1.23456789;
 
 is  = 123;
 ii  = 123;
 il  = 123;
 ill = 123;
 iu  = 123;

/*	Print variables	*/
/*	More on formats:  % man 3 printf				*/
				/*	"\n" - new line			*/
 printf("\n Double \n");
				/*	Rounding !			*/
				/*	"%.9g" results in all digits 	*/
 printf("rd_1 = %g \n", rd);		
 
 printf("rd_2 = %.9f \n", rd);
				/*	"%.9e" results in all digits 	*/ 
 printf("rd_3 = %e \n", rd);

 printf("\n Float \n");
 				/*	Only 8 digits accurate in float	*/
 printf("rf_1 = %.12g \n", rf);
				/*	Better use less digits		*/
 printf("rf_2 = %g \n", rf);

 printf("\n Long Double \n");
 				/*	Error:: Wrong format specifier	*/
 printf("rl_wrong = %.9g \n", rl);
				/*	Right! Use "Lg"			*/
 printf("rl_right = %.9Lg \n", rl);

 
 printf("\n Integer \n");

 printf("ii = %d \n", ii);
 printf("iu = %d \n", iu);
 printf("is_1 = %d \n", is);
 printf("is_2 = %hd \n", is);
 printf("il_1 = %d \n", il);
 printf("il_2 = %ld \n", il);
 printf("ill_1 = %d \n", ill);
 printf("ill_2 = %ld \n", ill);

 printf("\n ################################ \n");
 printf(" Size of Data Types: sizeof() \n\n");
 
 printf("Size of     short int: %d \n", sizeof(short int));
 printf("Size of           int: %d \n", sizeof(int));
 printf("Size of  unsigned int: %d \n", sizeof(unsigned int));
 printf("Size of      long int: %d \n", sizeof(long int));
 printf("Size of long long int: %d \n", sizeof(long long int));
 printf("\n");
 printf("Size of         float: %d \n", sizeof(float));
 printf("Size of        double: %d \n", sizeof(double));
 printf("Size of   long double: %d \n", sizeof(long double));
 printf("\n");

}