/* This program is an example of floating point functions */

float z;   /* This is a global variable */

main()
{
int index;
float x,y,sqr(),glsqr();

   for (index = 0;index <= 7;index++){
      x = index;  /* convert int to float */
      y = sqr(x); /* square x to a floating point variable */
      printf("The square of %d is %10.4f\n",index,y);
   }

   for (index = 0; index <= 7;index++) {
      z = index;
      y = glsqr();
      printf("The square of %d is %10.4f\n",index,y);
   }
}

float sqr(inval)  /* square a float, return a float */
float inval;
{
float square;

   square = inval * inval;
   return(square);
}

float glsqr()    /* square a float, return a float */
{
   return(z*z);
}
FLOATSQ.C
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