Method divide

src/main/java/com/thealgorithms/maths/FFT.java:147–154

Divides this complex number by another. @param z The divisor. @return The quotient.

(Complex z)

         * @return The quotient.
         */
        public Complex divide(Complex z) {
            Complex temp = new Complex();
            double d = z.abs() * z.abs();
            d = (double) Math.round(d * 1000000000d) / 1000000000d;
            temp.real = (this.real * z.real + this.img * z.img) / (d);
            temp.img = (this.img * z.real - this.real * z.img) / (d);
            return temp;
        }

        /**
         * Divides this complex number by a scalar.