/** * Calculates {@link BigComplex} x to the power of {@link BigDecimal} y (x<sup>y</sup>). * * @param x the {@link BigComplex} value to take to the power * @param y the {@link BigDecimal} value to serve as exponent * @param mathContext the {@link MathContext} used for the result * @return the calculated x to the power of y with the precision specified in the <code>mathContext</code> */ public static BigComplex pow(this BigComplex x, BigDecimal y, MathContext mathContext) { MathContext mc = new MathContext(mathContext.getPrecision() + 4, mathContext.getRoundingMode()); BigDecimal angleTimesN = x.angle(mc).multiply(y, mc); return(BigComplex.valueOf( BigDecimalMath.cos(angleTimesN, mc), BigDecimalMath.sin(angleTimesN, mc)).multiply(BigDecimalMath.pow(x.abs(mc), y, mc), mc).round(mathContext)); }