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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | import absImpl from '../internal/absImpl'; import argImpl from '../internal/argImpl'; import { IComplex, IComplexConstructor } from '../internal/complex'; import mask from '../internal/mask'; import getAbs from '../methods/getAbs'; import getArg from '../methods/getArg'; export default function sqrt<T extends IComplex> (Complex: IComplexConstructor<T>, z: IComplex | number, i = 0): T { let zAbs: number; let zArg: number; if (typeof z === 'number') { zAbs = absImpl(z, i); zArg = argImpl(z, i); } else { zAbs = getAbs(z); zArg = getArg(z); } return new Complex( NaN, NaN, Math.sqrt(zAbs), 0.5 * zArg, mask.HAS_POLAR ); } |