public Point2D.Double projectInverse(double xyx, double xyy, Point2D.Double out) {
double c;
out.y = MapMath.asin(xyy / C_y);
out.x = xyx / (C_x * ((c = Math.cos(out.y)) - 0.5));
out.y = MapMath.asin((out.y + Math.sin(out.y) * (c - 1.)) / C_p);
return out;
}
public Point2D.Double projectInverse(double xyx, double xyy, Point2D.Double lp) {
double c;
xyy /= C_y;
c = Math.cos(lp.y = tan_mode ? Math.atan(xyy) : MapMath.asin(xyy));
lp.x = xyx / (C_x * Math.cos(lp.y /= C_p));
if (tan_mode) {
lp.x /= c * c;
} else {
lp.x *= c;
}
return lp;
}