/*
** cordic -- program to calculate various functions
**           (e.g. trigonometric) using CORDIC techniques
**
**           original author unknown
**           modified by Joseph B. Evans, 11/15/91
**                       evans@shannon.tisl.ukans.edu
*/

#include "cordic.h"

main(ac, av)
int ac;
char **av;
{
	long x, y;
	long r, theta;
	long sine, cosine;

	if (ac == 2) {
		theta = (long)atof(av[1]);
	} else {
		printf("usage: %s theta\n",av[0]);
		exit(1);
	}

	theta *= (1<<(BITS-MSBITS));
	fxunitvec(&sine,&cosine,theta);
	printf("sine = %g\n",sine/(double)(1<<(BITS-1)));
	printf("cosine = %g\n",cosine/(double)(1<<(BITS-1)));
}