export declare const complexAdd: (a: [number, number], b: [number, number]) => [number, number];
export declare const complexSubtract: (a: [number, number], b: [number, number]) => [number, number];
export declare const complexMultiply: (a: [number, number], b: [number, number]) => [number, number];
export declare const complexMagnitude: (c: [number, number]) => number;