Method map

src/LinearAlgebra.ts:200–205

* Given a mapping function, update `a`'s value in each dimension. * @returns vector `a`

( a:PtLike, fn:(n:number, index:number, arr) => number )

   * @returns vector `a`
   */
  static map( a:PtLike, fn:(n:number, index:number, arr) => number ):PtLike {
    for (let i=0, len=a.length; i<len; i++) {
      a[i] = fn( a[i], i, a );
    }
    return a;
  }
  
}