public static T1 Max <T1>(this Tuple4 <T1, T1, T1, T1> t) where T1 : IComparable <T1>
{
if (t.first.CompareTo(t.second) > 0)
{
if (t.first.CompareTo(t.third) > 0)
{
if (t.first.CompareTo(t.fourth) > 0)
{
return(t.first);
}
else
{
return(t.fourth);
}
}
else
if (t.third.CompareTo(t.fourth) > 0)
{
return(t.third);
}
else
{
return(t.fourth);
}
}
else if (t.second.CompareTo(t.third) > 0)
{
if (t.second.CompareTo(t.fourth) > 0)
{
return(t.second);
}
else
{
return(t.fourth);
}
}
else if (t.third.CompareTo(t.fourth) > 0)
{
return(t.third);
}
else
{
return(t.fourth);
}
}
public static bool operator ==(Tuple4 <T1, T2, T3, T4> a, Tuple4 <T1, T2, T3, T4> b)
{
if (Tuple4 <T1, T2, T3, T4> .IsNull(a) && !Tuple4 <T1, T2, T3, T4> .IsNull(b))
{
return(false);
}
if (!Tuple4 <T1, T2, T3, T4> .IsNull(a) && Tuple4 <T1, T2, T3, T4> .IsNull(b))
{
return(false);
}
if (Tuple4 <T1, T2, T3, T4> .IsNull(a) && Tuple4 <T1, T2, T3, T4> .IsNull(b))
{
return(true);
}
return
(a.first.Equals(b.first) &&
a.second.Equals(b.second) &&
a.third.Equals(b.third) &&
a.fourth.Equals(b.fourth));
}