Linear Algebra and the C Language/a0iv


Install and compile this file in your working directory. 

/* ------------------------------------ */
/*  Save as :   c00e.c                  */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
/* ------------------------------------ */
int X_factorial(int n)
{
int i = 1;
int x = 1;

  if(n==0)     return (1); 
  
  for(i = 1; i <= n; i++)
        
        x *= i;
      	
 return (x);    	
}
/* ------------------------------------ */
/* ------------------------------------	*/
int main(void)
{
int n = 0;

  	clrscrn(); 
  	
	do{ printf("   %.2d! = %d\n", n, factorial(n));

    }while(n++ <12);

    printf("\n\n"); 
       
    stop();
		
  return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */

12! is the maximum correct value for this function: (overfloat)

Screen output example: 

                                                                                       
   00! = 1
   01! = 1
   02! = 2
   03! = 6
   04! = 24
   05! = 120
   06! = 720
   07! = 5040
   08! = 40320
   09! = 362880
   10! = 3628800
   11! = 39916800
   12! = 479001600


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