import { Complex } from './type.js'

export const isReal =
   <T>(dep: {
      equal: (a: T, b: T) => boolean,
      add: (a: T, b: T) => T,
      isReal: (z: T) => boolean
   }) =>
      (z: Complex<T>) => dep.isReal(z.re) && dep.equal(z.re, dep.add(z.re, z.im))

export const isSquare =
   <T>(z: Complex<T>) => true // FIXME: not correct for Complex<bigint> once we get there