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119. constructor

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Rational::Rational(int n, int d) : num(n), denom(d) {
  if (denom == 0) {
    throw "zero denominator";
  }
  int div = gcd(n,d);
  num = num / div;
  denom = denom / div;
}

C++Builder

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C#

public Rational(int n, int d) {
  if (0 == d) {
    throw new System.Exception("zero denominator");
  }
  if (d < 0) {
    this.num = -1 * n;
    this.denom = -1 * d;
  }
  else {
    this.num = n;
    this.denom = d;
  }
}

Java

public Rational(int n, int d) throws Exception {
  if (d == 0) {
    throw new Exception("zero denominator");
  }
  if ( d < 0 ) {
    this.num = -1 * n;
    this.denom = -1 * d;
  }
  else {
    this.num = n;
    this.denom = d;
  }
}

Objective-C

-(Rational*) initWith: (int) n: (int) d {
  self = [super init];
  if (self) {
    self.num = n;
    self.denom = d;
  }
  return self;
}

D

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