/**
 * A JavaScript array with 3 values or a Float32Array with 3 values.
 * When created by the library will create the default type which is `Float32Array`
 * but can be set by calling {@link module :twgl/v3.setDefaultType}.
 */
export type Vec3 = (number[] | Float32Array);
/**
 * Adds two vectors; assumes a and b have the same dimension.
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} A vector tha tis the sum of a and b.
 * @memberOf module:twgl/v3
 */
export function add(a: any, b: any, dst?: any): any;
/**
 * Calculates a + k*b; assumes the vectors a and b have the same dimension.
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} k Scalar coefficient.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} A vector tha tis the sum of a and b.
 * @memberOf module:twgl/v3
 */
export function addMul(a: any, k: any, b: any, dst?: any): any;
/**
 * Copies a vector.
 * @param {module:twgl/v3.Vec3} v The vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} A copy of v.
 * @memberOf module:twgl/v3
 */
export function copy(v: any, dst?: any): any;
/**
 * Creates a vec3; may be called with x, y, z to set initial values.
 * @param {number} [x] Initial x value.
 * @param {number} [y] Initial y value.
 * @param {number} [z] Initial z value.
 * @return {module:twgl/v3.Vec3} the created vector
 * @memberOf module:twgl/v3
 */
export function create(x?: number | undefined, y?: number | undefined, z?: number | undefined): any;
/**
 * Computes the cross product of two vectors; assumes both vectors have
 * three entries.
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The vector of a cross b.
 * @memberOf module:twgl/v3
 */
export function cross(a: any, b: any, dst?: any): any;
/**
 * Computes the distance between 2 points
 * @param {module:twgl/v3.Vec3} a vector.
 * @param {module:twgl/v3.Vec3} b vector.
 * @return {number} distance between a and b
 * @memberOf module:twgl/v3
 */
export function distance(a: any, b: any): number;
/**
 * Computes the square of the distance between 2 points
 * @param {module:twgl/v3.Vec3} a vector.
 * @param {module:twgl/v3.Vec3} b vector.
 * @return {number} square of the distance between a and b
 * @memberOf module:twgl/v3
 */
export function distanceSq(a: any, b: any): number;
/**
 * Divides a vector by another vector (component-wise); assumes a and
 * b have the same length.
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The vector of quotients of entries of a and
 *     b.
 * @memberOf module:twgl/v3
 */
export function divide(a: any, b: any, dst?: any): any;
/**
 * Divides a vector by a scalar.
 * @param {module:twgl/v3.Vec3} v The vector.
 * @param {number} k The scalar.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The scaled vector.
 * @memberOf module:twgl/v3
 */
export function divScalar(v: any, k: number, dst?: any): any;
/**
 * Computes the dot product of two vectors; assumes both vectors have
 * three entries.
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @return {number} dot product
 * @memberOf module:twgl/v3
 */
export function dot(a: any, b: any): number;
/**
 * Performs linear interpolation on two vectors.
 * Given vectors a and b and interpolation coefficient t, returns
 * a + t * (b - a).
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {number} t Interpolation coefficient.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The linear interpolated result.
 * @memberOf module:twgl/v3
 */
export function lerp(a: any, b: any, t: number, dst?: any): any;
/**
 * Performs linear interpolation on two vectors.
 * Given vectors a and b and interpolation coefficient vector t, returns
 * a + t * (b - a).
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} t Interpolation coefficients vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} the linear interpolated result.
 * @memberOf module:twgl/v3
 */
export function lerpV(a: any, b: any, t: any, dst?: any): any;
/**
 * Computes the length of vector
 * @param {module:twgl/v3.Vec3} v vector.
 * @return {number} length of vector.
 * @memberOf module:twgl/v3
 */
export function length(v: any): number;
/**
 * Computes the square of the length of vector
 * @param {module:twgl/v3.Vec3} v vector.
 * @return {number} square of the length of vector.
 * @memberOf module:twgl/v3
 */
export function lengthSq(v: any): number;
/**
 * Return max values of two vectors.
 * Given vectors a and b returns
 * [max(a[0], b[0]), max(a[1], b[1]), max(a[2], b[2])].
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The max components vector.
 * @memberOf module:twgl/v3
 */
export function max(a: any, b: any, dst?: any): any;
/**
 * Return min values of two vectors.
 * Given vectors a and b returns
 * [min(a[0], b[0]), min(a[1], b[1]), min(a[2], b[2])].
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The min components vector.
 * @memberOf module:twgl/v3
 */
export function min(a: any, b: any, dst?: any): any;
/**
 * Multiplies a vector by a scalar.
 * @param {module:twgl/v3.Vec3} v The vector.
 * @param {number} k The scalar.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The scaled vector.
 * @memberOf module:twgl/v3
 */
export function mulScalar(v: any, k: number, dst?: any): any;
/**
 * Multiplies a vector by another vector (component-wise); assumes a and
 * b have the same length.
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The vector of products of entries of a and
 *     b.
 * @memberOf module:twgl/v3
 */
export function multiply(a: any, b: any, dst?: any): any;
/**
 * Negates a vector.
 * @param {module:twgl/v3.Vec3} v The vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} -v.
 * @memberOf module:twgl/v3
 */
export function negate(v: any, dst?: any): any;
/**
 * Divides a vector by its Euclidean length and returns the quotient.
 * @param {module:twgl/v3.Vec3} a The vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} The normalized vector.
 * @memberOf module:twgl/v3
 */
export function normalize(a: any, dst?: any): any;
/**
 * A JavaScript array with 3 values or a Float32Array with 3 values.
 * When created by the library will create the default type which is `Float32Array`
 * but can be set by calling {@link module:twgl/v3.setDefaultType}.
 * @typedef {(number[]|Float32Array)} Vec3
 * @memberOf module:twgl/v3
 */
/**
 * Sets the type this library creates for a Vec3
 * @param {constructor} ctor the constructor for the type. Either `Float32Array` or `Array`
 * @return {constructor} previous constructor for Vec3
 * @memberOf module:twgl/v3
 */
export function setDefaultType(ctor: constructor): constructor;
/**
 * Subtracts two vectors.
 * @param {module:twgl/v3.Vec3} a Operand vector.
 * @param {module:twgl/v3.Vec3} b Operand vector.
 * @param {module:twgl/v3.Vec3} [dst] vector to hold result. If not new one is created.
 * @return {module:twgl/v3.Vec3} A vector that is the difference of a and b.
 * @memberOf module:twgl/v3
 */
export function subtract(a: any, b: any, dst?: any): any;
/**
 * Inverts elements of a.
 */
export function invert(a: any, dst: any): any;