BigComplex.java

package jetbrains.mps.baseLanguage.math.runtime;

/*Generated by MPS */

import java.math.BigDecimal;
import java.math.MathContext;

public class BigComplex extends Number {
  private BigDecimal myRealPart;
  private BigDecimal myImagPart;
  public BigComplex(Complex c) {
    myRealPart = BigDecimal.valueOf(c.re());
    myImagPart = BigDecimal.valueOf(c.im());
  }
  public BigComplex(BigDecimal bd1, BigDecimal bd2) {
    myRealPart = bd1;
    myImagPart = bd2;
  }
  public BigComplex(double d1, double d2) {
    myRealPart = BigDecimal.valueOf(d1);
    myImagPart = BigDecimal.valueOf(d2);
  }
  @Override
  public boolean equals(Object obj) {
    if ((obj == null) || !((obj instanceof BigComplex))) {
      return false;
    }
    BigComplex Cobj = (BigComplex) obj;
    return (Cobj.myRealPart.compareTo(myRealPart) == 0) && (Cobj.myImagPart.compareTo(myImagPart) == 0);
  }
  @Override
  public String toString() {
    if (myImagPart.signum() == 0) {
      return "" + myRealPart;
    }
    if (myRealPart.signum() == 0) {
      return myImagPart + "*I";
    }
    return "(" + myRealPart + ((myImagPart.signum() > 0 ? "+" : "-")) + myImagPart.abs() + "*I)";
  }
  public BigDecimal re() {
    return myRealPart;
  }
  public BigDecimal im() {
    return myImagPart;
  }
  public BigDecimal abs(MathContext mc) {
    return MathRuntime.sqrt(re().pow(2).add(im().pow(2)), mc);
  }
  public BigComplex add(BigComplex b) {
    return new BigComplex(myRealPart.add(b.myRealPart), myImagPart.add(b.myImagPart));
  }
  public BigComplex sub(BigComplex b) {
    return new BigComplex(myRealPart.subtract(b.myRealPart), myImagPart.subtract(b.myImagPart));
  }
  public BigComplex mul(BigComplex b) {
    return new BigComplex(myRealPart.multiply(b.myRealPart).subtract(myImagPart.multiply(b.myImagPart)), myRealPart.multiply(b.myImagPart).add(b.myRealPart.multiply(myImagPart)));
  }
  public BigComplex inv() {
    BigDecimal s = myRealPart.multiply(myRealPart).add(myImagPart.multiply(myImagPart));
    return new BigComplex(myRealPart.divide(s), myImagPart.divide(s).negate());
  }
  public BigComplex div(BigComplex b) {
    return mul(b.inv());
  }
  public BigComplex conj() {
    return new BigComplex(myRealPart, myImagPart.negate());
  }
  public BigComplex add(BigComplex b, MathContext mc) {
    return new BigComplex(myRealPart.add(b.myRealPart, mc), myImagPart.add(b.myImagPart, mc));
  }
  public BigComplex sub(BigComplex b, MathContext mc) {
    return new BigComplex(myRealPart.subtract(b.myRealPart, mc), myImagPart.subtract(b.myImagPart, mc));
  }
  public BigComplex mul(BigComplex b, MathContext mc) {
    return new BigComplex(myRealPart.multiply(b.myRealPart, mc).subtract(myImagPart.multiply(b.myImagPart, mc), mc), myRealPart.multiply(b.myImagPart, mc).add(b.myRealPart.multiply(myImagPart, mc), mc));
  }
  public BigComplex inv(MathContext mc) {
    BigDecimal s = myRealPart.multiply(myRealPart, mc).add(myImagPart.multiply(myImagPart), mc);
    return new BigComplex(myRealPart.divide(s, mc), myImagPart.divide(s, mc).negate());
  }
  public BigComplex div(BigComplex b, MathContext mc) {
    return mul(b.inv(mc));
  }
  public Complex toComplex() {
    return new Complex(myRealPart.doubleValue(), myImagPart.doubleValue());
  }
  @Override
  public int intValue() {
    return this.myRealPart.intValue();
  }
  @Override
  public long longValue() {
    return this.myRealPart.longValue();
  }
  @Override
  public float floatValue() {
    return this.myRealPart.floatValue();
  }
  @Override
  public double doubleValue() {
    return this.myRealPart.doubleValue();
  }
}