/**
 * Utility static class providing functionality to pack float values to various storage
 * representations.
 *
 * @category Math
 */
export class FloatPacking {
    /**
     * Packs a float to a 16-bit half-float representation used by the GPU.
     *
     * @param {number} value - The float value to pack.
     * @returns {number} The packed value.
     */
    static float2Half(value: number): number;
    /**
     * Packs a float value in [0..1) range to specified number of bytes and stores them in an array
     * with start offset. Based on: https://aras-p.info/blog/2009/07/30/encoding-floats-to-rgba-the-final/
     * Note: calls to Math.round are only needed on iOS. Precision is somehow really bad without
     * it. Looks like an issue with their implementation of Uint8ClampedArray.
     *
     * @param {number} value - The float value to pack.
     * @param {Uint8ClampedArray} array - The array to store the packed value in.
     * @param {number} offset - The start offset in the array to store the packed value at.
     * @param {number} numBytes - The number of bytes to pack the value to.
     *
     * @ignore
     */
    static float2Bytes(value: number, array: Uint8ClampedArray, offset: number, numBytes: number): void;
    /**
     * Packs a float into specified number of bytes. Min and max range for the float is specified,
     * allowing the float to be normalized to 0..1 range.
     *
     * @param {number} value - The float value to pack.
     * @param {Uint8ClampedArray} array - The array to store the packed value in.
     * @param {number} offset - The start offset in the array to store the packed value at.
     * @param {number} min - Range minimum.
     * @param {number} max - Range maximum.
     * @param {number} numBytes - The number of bytes to pack the value to.
     *
     * @ignore
     */
    static float2BytesRange(value: number, array: Uint8ClampedArray, offset: number, min: number, max: number, numBytes: number): void;
    /**
     * Packs a float into specified number of bytes, using 1 byte for exponent and the remaining
     * bytes for the mantissa.
     *
     * @param {number} value - The float value to pack.
     * @param {Uint8ClampedArray} array - The array to store the packed value in.
     * @param {number} offset - The start offset in the array to store the packed value at.
     * @param {number} numBytes - The number of bytes to pack the value to.
     *
     * @ignore
     */
    static float2MantissaExponent(value: number, array: Uint8ClampedArray, offset: number, numBytes: number): void;
}