C Program A function to output double values in a given width.

#include 

#include 

#include 

#define MAX_COUNT 100



void show(double array[], size_t array_size, unsigned int field_width);



void main()

{

  double array[MAX_COUNT] = {0.0};

  int count = 0;

  char answer = 'n';

  do

  {

    printf("Enter a value: ");

    scanf("%lf", &array[count++]);

    printf("Do you want to enter another (y or n)?: ");

    scanf(" %c",&answer);

  }

while(count<= MAX_COUNT && tolower(answer) == 'y');

  show(array, count, 12);

  printf("\n");

}



void show(double array[], size_t array_size, unsigned int field_width)

{

  char format[10] = "%";   /* Holds the format string */

  char width_str[4];       /* Holds the width value in character form */

  size_t i = 0;

  size_t j = 1;

  do

  {

    width_str[i++] = '0'+field_width%10;

  }while((field_width /= 10) != 0);

  do

  {

    format[j++] = width_str[--i];

  }while(i>0);

  format[j] = '\0';

  strcat(format, "lf");    



  for(j = 0 ; j  {

    if(j%5 == 0)

      printf("\n");

    printf(format, array[j]);

  }

}