Subversion Repositories planix.SVN

#include <u.h>

#include <libc.h>

#include "map.h"

void

ccubrt(double zr, double zi, double *wr, double *wi)

{

	double r, theta;

	theta = atan2(zi,zr);

	r = cubrt(hypot(zr,zi));

	*wr = r*cos(theta/3);

	*wi = r*sin(theta/3);

}