functions polar.ts

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  import { IComplex, IComplexConstructor } from '../internal/complex';
import mask from '../internal/mask';
 
export default function polar<T extends IComplex> (Complex: IComplexConstructor<T>, abs: number, arg = 0): T {
  let zAbs: number;
  let zArg: number;
 
  if (abs < 0) {
    zAbs = -abs;
    zArg = arg + Math.PI;
  } else {
    zAbs = abs;
    zArg = arg;
  }
 
  return new Complex(NaN, NaN, zAbs, zArg, mask.HAS_POLAR);
}