/**
 * @see A Survey of Efficient Representations for Independent Unit Vectors (Journal of Computer Graphics Techniques Vol. 3, No. 2, 2014) - page 13
 * @see https://gamedev.stackexchange.com/questions/169508/octahedral-impostors-octahedral-mapping
 * @param {number[]|Vector3|Float32Array} output
 * @param {number} output_offset
 * @param {number} u range [-1,1]
 * @param {number} v range [-1,1]
 * @returns {number} length of octahedral vector, larger value means more distortion
 */
export function decode_octahedron_to_unit(output: number[] | Vector3 | Float32Array, output_offset: number, u: number, v: number): number;
//# sourceMappingURL=decode_octahedron_to_unit.d.ts.map