#include "header.h"
int main (void)
{
  float x;
  int i,n;
  clock_t start,end;
  double timelaspe;
  FILE *fin;
  fin=fopen("test","r");  // the file used to test the program is called "test".	
  start=clock();	
  printf ("   x          Cordic(x)          MySine(x)        sin(x)\n"); 
  while (fscanf(fin,"%f",&x)!=-1)  //read the data until the end of the file.assign each value in the file to x.	
  {
    printf ("%.6lf\t%.6lf\t%.6lf\t%.6lf\n",x,Cordic(x),MySin(x),sin(x));				
  }
   end=clock();	
   timelaspe=(double)(end-start)/CLOCKS_PER_SEC; // timelaspe is the running time in miliseconds.
   printf("the running time=%f\n",timelaspe);
   fclose(fin);	
   return 0;
}