/**
 * Linearly interpolate between two values.
 *
 * @param a Start value
 * @param b End value
 * @param t Value in the range [0, 1]
 * @return Value between a and b
 */
declare function lerp(a: number, b: number, t: number): number;
/**
 * Clamp a value between a minimum and maximum
 *
 * @param x   Target value
 * @param min Minimum value
 * @param max Maximum value
 * @return Clamped value
 */
declare function clamp(x: number, min: number, max: number): number;
/**
 * Generate a random floating point number in [min, max)
 *
 * @param min Minimum value of range
 * @param max Maximum value of range
 * @return Random number
 */
declare function randrange(min: number, max: number): number;
export { lerp, clamp, randrange };