import type { ReadonlyVec } from "./api.js";
/**
 * Syntax sugar for `sign(signedArea2(a, b, c))`.
 *
 * - [`sign`](https://docs.thi.ng/umbrella/math/functions/sign.html)
 * - {@link signedArea2}
 *
 * @param a -
 * @param b -
 * @param c -
 * @param eps - zero tolerance for sign computation
 */
export declare const corner2: (a: ReadonlyVec, b: ReadonlyVec, c: ReadonlyVec, eps?: number) => 0 | 1 | -1;
/**
 * Returns true, if the triangle `a`, `b`, `c` is in clockwise order,
 * i.e. if `corner2(a,b,c)` returned -1.
 *
 * @param a -
 * @param b -
 * @param c -
 * @param eps -
 */
export declare const clockwise2: (a: ReadonlyVec, b: ReadonlyVec, c: ReadonlyVec, eps?: number) => boolean;
//# sourceMappingURL=clockwise.d.ts.map