public override SIUnit Add(SIUnit x)
{
if(x is Area)
return new Area(_value + x.Value);
throw new UnitsException(GetType(), x.GetType());
}
public override SIUnit Multiply(SIUnit x)
{
if (x is Length)
{
return new Area(_value * x.Value);
}
throw new UnitsException(GetType(), x.GetType());
}
public override SIUnit Subtract(SIUnit x)
{
if(x is Length)
return new Length(_value - x.Value);
throw new UnitsException(GetType(), x.GetType());
}
public override dynamic Divide(SIUnit x)
{
if (x is Length)
{
return _value/x.Value;
}
throw new UnitsException(GetType(), x.GetType());
}
public override SIUnit Modulo(SIUnit x)
{
if(x is Length)
return new Length(_value % x.Value);
throw new UnitsException(GetType(), x.GetType());
}
public override SIUnit Multiply(SIUnit x)
{
if (x is Length)
{
//return a volume
return new Volume(_value * x.Value);
}
throw new UnitsException(GetType(), x.GetType());
}
public override SIUnit Multiply(SIUnit x)
{
throw new UnitsException(GetType(), x.GetType());
}
public override SIUnit Modulo(SIUnit x)
{
if (x is Volume)
{
return new Volume(_value % x.Value);
}
throw new UnitsException(GetType(), x.GetType());
}
public override dynamic Divide(SIUnit x)
{
if (x is Length)
{
return new Area(_value/x.Value);
}
else if (x is Area)
{
return new Length(_value/x.Value);
}
throw new UnitsException(GetType(), x.GetType());
}
public override dynamic Divide(SIUnit x)
{
if (x is Area)
{
//return a double
return _value/x.Value;
}
if (x is Length)
{
//return length
return new Length(_value/x.Value);
}
throw new UnitsException(GetType(), x.GetType());
}