/**
 * Returns a random number between the given bounds.
 */
export declare const random: (floor: number, ceiling: number) => number;
/** dts2md break */
/**
 * Clamps x into range [min, max].
 */
export declare const clamp: (x: number, min: number, max: number) => number;
/** dts2md break */
/**
 * Returns `begin + (end - begin) * k`.
 */
export declare const interpolate: (begin: number, end: number, k: number) => number;
/** dts2md break */
/**
 * degrees -> radians
 */
export declare const deg2rad: (deg: number) => number;
/** dts2md break */
/**
 * radians -> degrees
 */
export declare const rad2deg: (rad: number) => number;
/** dts2md break */
/**
 * Returns the quadratic sum of the given values.
 */
export declare const quadraticSum: (...values: number[]) => number;