public static Trapezium operator -(Trapezium x, Trapezium y)
{
Trapezium tmp = new Trapezium();
tmp.a = x.a - y.a;
tmp.b = x.b - y.b;
tmp.c = x.c - y.c;
tmp.d = x.d - y.d;
return(tmp);
}
public static Trapezium operator *(Trapezium x, double y)
{
Trapezium tmp = new Trapezium();
tmp.a = x.a * y;
tmp.b = x.b * y;
tmp.c = x.c * y;
tmp.d = x.d * y;
return(tmp);
}
public static Trapezium operator +(Trapezium x, Trapezium y)
{
Trapezium tmp = new Trapezium();
tmp.a = x.a + y.a;
tmp.b = x.b + y.b;
tmp.c = x.c + y.c;
tmp.d = x.d + y.d;
return(tmp);
}
public override bool Equals(object x)
{
Trapezium obj = (Trapezium)x;
if (a == obj.a && b == obj.b && c == obj.c && d == obj.d)
{
return(true);
}
else
{
return(false);
}
}
public static Trapezium operator /(Trapezium x, double y)
{
if (y == 0.0)
{
throw new DivideByZeroException();
}
Trapezium tmp = new Trapezium();
tmp.a = x.a / y;
tmp.b = x.b / y;
tmp.c = x.c / y;
tmp.d = x.d / y;
return(tmp);
}