A function to calculate an average : Pointer Double « Pointer « C / ANSI-C

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A function to calculate an average



#include <stdio.h>

#include <stdlib.h>

#include <ctype.h>



double average(double data[], int count)

{

  int i = 0;

  double sum = 0.0;

  for( i = 0 ; i<count ; sum += data[i++])

    ;

  return sum/count;

}



int main()

{

   double data[3];

   data[0] = 1;

   data[1] = 2;

   data[2] = 3;



   printf("\nThe  average of thew values you entered is %10.2lf\n", average(data, 3));

   free(data);

}

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Calculating a floating-point average using pointers

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