@thi.ng/vectors/map-vectors.d.ts

Optimized 2d/3d/4d and arbitrary length vector operations, support for memory mapping/layouts

import type { ReadonlyVec, Vec, VecOpVN, VecOpVV, VecOpVVN, VecOpVVV } from "./api.js";
/**
 * Takes a vec op `fn`, output array (or null) and a combination of the
 * following inputs:
 *
 * - 2 arrays of vectors
 * - 1 array of vectors & 1 scalar
 * - 3 arrays of vectors
 * - 2 arrays of vectors & 1 scalar
 *
 * Then applies `fn` to each input and writes result into output array,
 * returns `out` (or new array if `out` was given as null).
 *
 * @example
 * ```ts tangle:../export/map-vectors.ts
 * import { add2, addN2, mapVectors, mixN2 } from "@thi.ng/vectors";
 *
 * console.log(
 *   mapVectors(addN2, [], [[1, 2], [10, 20]], 100)
 * );
 * // [ [ 101, 102 ], [ 110, 120 ] ]
 *
 * console.log(
 *   mapVectors(add2, [], [[1, 2], [10, 20]], [[100, 200], [1000, 2000]])
 * );
 * // [ [ 101, 202 ], [ 1010, 2020 ] ]
 *
 * console.log(
 *   mapVectors(mixN2, null, [[1, 2], [100, 200]], [[10, 20], [1000, 2000]], 0.5)
 * );
 * // [ [ 5.5, 11 ], [ 550, 1100 ] ]
 * ```
 *
 * @param fn -
 * @param out -
 * @param a -
 * @param b -
 * @param c -
 */
export declare function mapVectors(fn: VecOpVV, out: Vec[] | null, a: ReadonlyVec[], b: ReadonlyVec[]): Vec[];
export declare function mapVectors(fn: VecOpVN, out: Vec[] | null, a: ReadonlyVec[], n: number): Vec[];
export declare function mapVectors(fn: VecOpVVV, out: Vec[] | null, a: ReadonlyVec[], b: ReadonlyVec[], c: ReadonlyVec[]): Vec[];
export declare function mapVectors(fn: VecOpVVN, out: Vec[] | null, a: ReadonlyVec[], b: ReadonlyVec[], c: number): Vec[];
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