Logarithmic Function

Syntax:

float logf(float num);

double log(double num);

long double logl(long double num);

Example:

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

  int main()
  {
    double x = 1.0;
	
    do {
      printf("No : %f  , Log : %f\n", x, log(x));
      x++;
    } while (x<11.0);

    return 0;
  }