Expm1 Function

Syntax:

float expm1f(float arg);

double expm1(double arg);

long double expm1l(long double arg);

Example:

#include <math.h>
#include <stdio.h>

  int main()
  {
     printf("Value of e to the first: %f.", expm1(1.0));

     printf("Value of e to the second: %f.", expm1(2.0));     

  return 0;

  }