/* 2.2 整数和浮点数的转换
 */

#include <stdio.h>

#define PR(x) printf(#x " = %0.8g\t", (double)x)
#define NL putchar('\n')
#define PRINT4(x1,x2,x3,x4) PR(x1); PR(x2); PR(x3); PR(x4); NL

int main()
{
    double d;
    float f;
    long l;
    int i;
    
    i = l = f = d = 100/3;
    PRINT4(i,l,f,d);
    
    d = f = l = i = 100/3;
    PRINT4(i,l,f,d);
    
    i = l = f = d = 100/3.;
    PRINT4(i,l,f,d);
    
    d = f = l = i = (float)100/3;
    PRINT4(i,l,f,d);
    
    i = l = f = d = (double)(100000/3);
    PRINT4(i,l,f,d);
    
    d = f = l = i = 10000/3;
    PRINT4(i,l,f,d);
    
    return 0;
}