#include "defs.h"


/* compute extra wire length for two-pin net */

twodist(cx, cy, delx, dely) 
	INT cx, cy, delx, dely;
{
	REG INT	a, dx, dy;

	dx = delx;
	a = cx;
	if (a > 0) {
		a = -a; 
		dx = -dx;
	}
	if (dx < a) dx = (a << 1) - dx;
	dy = dely;
	a = cy;
	if (a > 0) {
		a = -a; 
		dy = -dy;
	}
	if (dy < a) dy = (a << 1) - dy;
	return(dx + dy);
}