Expm1 Function

It returns the natural logarithm e raised to the arg power minus 1 .

It can also be expressed as ( e^arg-1) .

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;

  }
   

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