public static int CalculateEqualizationDifNo(List <Expression> seq)
{
//Console.WriteLine("calculating: ================================");
int no = 0;
bool found = false;
List <Expression> last = seq;
while (!found)
{
// Console.Write("last = ");
//foreach (var item in last)
{
// Console.Write(Infix.Print(item)+",");
}
//Console.WriteLine();
//*
if (last.TrueForAll(x => Infix.PrintStrict(last.Last()) == Infix.PrintStrict(x)))
{
// Console.Write(" Last - x =" + Infix.Print(last.Last() - x));
found = true;
continue;
}//*/
last = GetDifference(last);
no++;
}
return(no);
}