#include <stdio.h> #define print_value(expr) printf("\n" #expr " = %lf", (double)expr); void main() { int n = 10; double f = 6.5; print_value( n ); print_value( f ); printf("\n"); print_value(f * f + 4.0); print_value( n / 2 + 3); print_value( 3 * 4 + 12 / 2 - 8); printf("\n"); }