Здравствуйте. Возникает ошибка при сборке, которая говорит о неявном преобразовании типов.
привожу код теста, где возникает ошибка.
| Код |
[Test]
public void ConvertToDouble()
{
double v = new Rational(1, 2);
Assert.AreEqual(0.5, v, 1e-7);
}
|
Ниже представлен класс
| Код |
public class Rational
{
private int numerator;
private int denominator;
private double num;
private double dom;
public double Num
{
get{return num;}
set{num = value;}
}
public double Dom
{
get{return dom;}
set{dom = value;}
}
public int Numerator
{
get{return numerator;}
set{numerator = value;}
}
public int Denominator
{
get{return denominator;}
set{denominator = value;}
}
public Rational(int numerator, int denominator)
{
this.numerator = numerator;
this.denominator = (denominator > 0) ? denominator:1;
}
//принимаем одно значение
public Rational(int numerator)
{
this.numerator = numerator;
}
public bool IsNan
{
get{
if(denominator==0) return true;
else return false;
}
}
public static Rational operator +(Rational a, Rational b)
{
Rational result = new Rational(1,1);
result.denominator = a.denominator*b.denominator;
result.numerator = result.denominator/a.numerator + result.denominator/b.numerator;
return result;
}
public static Rational operator -(Rational a, Rational b)
{
Rational result = new Rational(1,1);
result.denominator = a.denominator*b.denominator;
result.numerator = result.denominator/a.numerator - result.denominator/b.numerator;
return result;
}
public static Rational operator / (Rational a, Rational b)
{
Rational result = new Rational(1,1);
result.numerator = a.numerator * b.denominator;
result.denominator = a.denominator * b.numerator;
return result;
}
public static Rational operator * (Rational a, Rational b)
{
Rational result = new Rational(1,1);
result.numerator = a.numerator*b.numerator;
result.denominator = a.denominator*b.denominator;
return result;
}
}
|
Будьте так любезны подсказать, как сделать так, чтобы устранить ошибку? |