@thi.ng/vectors/vop.js

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

import { unsupported } from "@thi.ng/errors/unsupported";
const vop = (dispatch = 1, fallback, ...optimized) => {
  const impls = [, ,].concat(optimized);
  const fn = (...args) => {
    const g = impls[args[dispatch].length] || fallback;
    return g ? g(...args) : unsupported(`no impl for vec size ${args[dispatch].length}`);
  };
  fn.add = (dim, fn2) => impls[dim] = fn2;
  fn.default = (fn2) => fallback = fn2;
  fn.impl = (dim) => dim != null ? impls[dim] || fallback : fallback;
  return fn;
};
export {
  vop
};