/**
 * Solves an equation of the form ax² + bx + c = 0.
 * The larger solution is returned first.
 *
 * If there are no solutions, returns `[NaN, NaN]`. If there is one solution,
 * repeats the solution twice in the result.
 */
declare const solveQuadratic: (a: number, b: number, c: number) => [number, number];
export default solveQuadratic;