java 编写的复数加减乘除.docx

secondComplex.javapackage secondComplex;public class secondComplex {private double real;private double vir;public secondComplex(){this(0.0,0.0);}public secondComplex(double real, double vir) {this.real = real;this.vir = vir;}public secondComplex(secondComplex c){this.real = c.real;this.vir = c.vir;}//求共轭复数public static secondComplex Conjugate(secondComplex a){return new secondComplex(a.real, -a.vir);}//求复数的相反数public secondComplex oppositeComplex(secondComplex a){return new secondComplex(-a.real, -a.vir);}//求复数的倒数public static secondComplex Reciprocal(secondComplex a){secondComplex b = secondComplex.Conjugate(a);b.Multiplication(a);b.real = b.real +b.vir;a = secondComplex.Conjugate(a);if(Math.abs(b.real) 1e-6){b.real = 0;return null;}return new secondComplex(a.real/b.real, a.vir/b.real);}/** * this+=a * @return * */public void Add(secondComplex a){this.real += a.real;this.vir += a.vir;}/** * this-=a; */public void Sub(secondComplex a){a = a.oppositeComplex(a);this.Add(a);}/** * this*=a; */public void Multiplication(secondComplex a){double tmp;tmp = this.real;this.real = this.real * a.real - this.vir * a.vir;this.vir = tmp * a.vir + this.vir * a.real; }/** *this /= b * @return */public void Division(secondComplex a){secondComplex b = Multiplication(this, secondComplex.Reciprocal(a));if(b == null){return;}this.real = b.real;this.vir = b.vir;}/** * * c = this + a * @return */public secondComplex Add(secondComplex a, int type){ return Add(this, a);}/** * c = this - a */public secondComplex Sub(secondComplex a, int type){a = a.oppositeComplex(a);return Add(this, a);}/** * c = this * a */public secondComplex Multiplication(secondComplex a, int type){return Multiplication(this, a);}/** *c = this / b * @return */public secondComplex Division(secondComplex a,int type){return Division(this,a);}/** * c = a + b * @param a * @param b * @return */public static secondComplex Add(secondComplex a, secondComplex b){return new secondComplex(a.real + b.real, a.vir + b.vir);}/** *