import { anyComplex } from './complex.js'

export default function create(pmath) {
    const complex = pmath('complex')
    const resolve = pmath.config.resolveComplex
    return pmath('add', [anyComplex, // naive, but this is just a P-o-C
       (...addends) => {
           let sum = complex(addends[0])
           for (let i = 1; i < addends.length; ++i) {
               const addend = complex(addends[i])
               sum.re += addend.re
               sum.im += addend.im
           }
           if (resolve && Math.abs(sum.im/sum.re) < 1e-10) return sum.re
           return sum
       }],
    create, pmath) // register ourselves for invalidation and reconfiguration
}