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#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);
}

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