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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 29 | import { IComplex, IComplexConstructor } from '../internal/complex'; import mask from '../internal/mask'; import getImag from './getImag'; import getReal from './getReal'; export default function sub<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 ); } |