/** <tt>a + b/constant</tt>. */ public static DComplexPlusMultSecond plusDiv(final double[] constant) { return new DComplexPlusMultSecond(DComplex.inv(constant)); }
/** <tt>a - b*constant</tt>. */ public static DComplexPlusMultSecond minusMult(final double[] constant) { return new DComplexPlusMultSecond(DComplex.neg(constant)); }