C库函数 exp()

#include <stdio.h>

#include <math.h>



int main () {

   double x = 0;



   printf("The exponential value of %lf is %lf\n", x, exp(x));

   printf("The exponential value of %lf is %lf\n", x+1, exp(x+1));

   printf("The exponential value of %lf is %lf\n", x+2, exp(x+2));



   return(0);

}