Category : C Source Code
Archive   : C-TUTOR.ZIP
Filename : FLOATSQ2.C

/* Chapter 5 - Program 7 */
#include "stdio.h" /* Prototypes for standard Input/Outputs */

float sqr(float inval);
float glsqr(void);

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

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

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

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

float glsqr(void) /* square a float, return a float */
{
return(z*z);
}