import { CpNode } from "../cp-node.js";
import { isTerminating } from "./is-terminating.js";


/**
 * Returns the number of contact points (up to planar coordinates) on the
 * maximal disk circle implied by this `CpNode`, i.e. the number of
 * non-terminating `CpNode`s on its circle.
 *
 * See also `getProngCount`.
 */
function getRealProngCount(cpNode: CpNode) {
    let count = 0;
    let cpNode_ = cpNode;
    do {
        if (!isTerminating(cpNode_)) { count++; }
        cpNode_ = cpNode_.nextOnCircle;
    } while (cpNode_ !== cpNode);

    return count;
}


export { getRealProngCount }