methods sal.ts

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  import { IComplex, IComplexConstructor } from '../internal/complex';
import mask from '../internal/mask';
import getImag from './getImag';
import getReal from './getReal';
 
export default function sal<T extends IComplex> (Complex: IComplexConstructor<T>, lhs: IComplex, r: IComplex | number, i = 0): T {
  let rhsReal: number;
  let rhsImag: number;
 
  if (typeof r === 'number') {
    rhsReal = r;
    rhsImag = i;
  } else {
    rhsReal = getReal(r);
    rhsImag = getImag(r);
  }
 
  const lhsReal = getReal(lhs);
  const lhsImag = getImag(lhs);
 
  return new Complex(
    lhsReal << rhsReal,
    lhsImag << rhsImag,
    NaN,
    NaN,
    mask.HAS_CARTESIAN
  );
}