Exponential Function

It returns the absolute value of the number .

Syntax:

float fabsf(float arg);

double fabs2(double arg);

long double fabsl(long double arg);

Example:

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

  int main()

  {
    printf("%1.3f %1.4f", fabs(16.80), fabs(-41.90));

    return 0;

  }  
 

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