public static Floatz Multiply(Floatz refA, Floatz refB)
        {
            Floatz a = refA.Clone();
            Floatz b = refB.Clone();

            if (a.isZero() || b.isZero())
            {
                return(Floatz.Constants.ZERO(a.separator));
            }

            List <int> fullA = a.ToOneList();
            List <int> fullB = b.ToOneList();
            List <int> fullC;

            if (a.zecimala.Count >= b.zecimala.Count)
            {
                fullC = Multiply2Lists(fullA, fullB);
            }
            else
            {
                fullC = Multiply2Lists(fullB, fullA);
            }

            int sepPlace = 0;

            if (!a.isZecimalaZero())
            {
                sepPlace += a.zecimala.Count;
            }
            if (!b.isZecimalaZero())
            {
                sepPlace += b.zecimala.Count;
            }

            Floatz c = new Floatz(a.separator);

            c            = Floatz.FromOneList(fullC, sepPlace);
            c.isNegative = (a.isNegative || b.isNegative);
            if (a.isNegative && b.isNegative)
            {
                c.isNegative = false; //-1*-1=1
            }
            c.ComprimaIntreaga();
            c.ComprimaZecimala();

            return(c);
        }
        public static Floatz DivideFloatzWithList(Floatz a, List <int> b, long nrMaxZecimalaLaImpartire, bool debugMode = false)
        {
            Floatz     c    = new Floatz();
            List <int> temp = new List <int>();
            int        cmp  = 0;

            for (int i = 0; i < a.intreaga.Count; i++)
            {
                temp.Add(a.intreaga[i]);
                cmp = Compare2Lists(temp, b);
                if (cmp < 1)//317/51 || 317 || 51
                {
                    List <int> deCateOriIntra = DeCateOriIntra(b, temp);
                    List <int> sub            = Floatz.Multiply2Lists(deCateOriIntra, b);
                    if (debugMode)
                    {
                        Console.WriteLine(Floatz.ListToString(temp) + "/" + Floatz.ListToString(b) + "=" + Floatz.ListToString(deCateOriIntra));
                    }

                    c.intreaga.AddRange(deCateOriIntra);
                    if (debugMode)
                    {
                        Console.Write(Floatz.ListToString(temp) + "-" + Floatz.ListToString(sub) + "=");
                    }
                    temp = Floatz.Subtract2Lists(temp, sub);
                    if (debugMode)
                    {
                        Console.Write(Floatz.ListToString(temp));
                        Console.WriteLine();
                    }

                    if (Floatz.ListIsZero(temp))
                    {
                        break;
                    }
                }
                else
                {
                    c.intreaga.Add(0);
                }
            }
            c.ComprimaIntreaga();
            if (nrMaxZecimalaLaImpartire == 0)
            {
                return(c);
            }
            c.zecimala.Clear();
            if (Floatz.ListIsZero(temp))
            {
                temp.Clear();
            }
            if (debugMode)
            {
                Console.WriteLine(",");
            }

            for (int i = 0; i < a.zecimala.Count && nrMaxZecimalaLaImpartire >= 0; i++)
            {
                temp.Add(a.zecimala[i]);

                cmp = Compare2Lists(temp, b);
                if (cmp < 1)
                {
                    List <int> deCateOriIntra = DeCateOriIntra(b, temp);
                    List <int> sub            = Floatz.Multiply2Lists(deCateOriIntra, b);
                    if (debugMode)
                    {
                        Console.WriteLine(Floatz.ListToString(temp) + "/" + Floatz.ListToString(b) + "=" + Floatz.ListToString(deCateOriIntra));
                    }

                    c.zecimala.AddRange(deCateOriIntra.GetRange(0, Math.Min(deCateOriIntra.Count, (int)nrMaxZecimalaLaImpartire)));
                    nrMaxZecimalaLaImpartire -= Math.Min(deCateOriIntra.Count, (int)nrMaxZecimalaLaImpartire);
                    if (debugMode)
                    {
                        Console.WriteLine("nrMaxZecimalaLaImpartire:" + nrMaxZecimalaLaImpartire);
                        Console.Write(Floatz.ListToString(temp) + "-" + Floatz.ListToString(sub) + "=");
                    }

                    temp = Floatz.Subtract2Lists(temp, sub);
                    cmp  = Compare2Lists(temp, b);
                    if (cmp == 1)
                    {
                        temp.Add(0);
                    }
                    if (debugMode)
                    {
                        Console.Write(Floatz.ListToString(temp));
                        Console.WriteLine();
                    }
                }
                else
                {
                    c.zecimala.Add(0);
                    nrMaxZecimalaLaImpartire--;
                }
            }
            if (!Floatz.ListIsZero(temp))
            {
                if (debugMode)
                {
                    Console.WriteLine("---start restu---");
                }
                if (nrMaxZecimalaLaImpartire > 0)
                {
                    if (cmp == 1)
                    {
                        temp.Add(0);
                    }
                    while (nrMaxZecimalaLaImpartire >= 0)//for (long i = nrMaxZecimalaLaImpartire; i >= 0; i--)
                    {
                        if (debugMode)
                        {
                            Console.WriteLine(Floatz.ListToString(temp));
                        }
                        cmp = Compare2Lists(temp, b);
                        if (debugMode)
                        {
                            Console.WriteLine(Floatz.ListToString(temp) + "?" + Floatz.ListToString(b) + "=" + cmp);
                        }
                        if (cmp < 1)
                        {
                            List <int> deCateOriIntra = DeCateOriIntra(b, temp);
                            List <int> sub            = Floatz.Multiply2Lists(deCateOriIntra, b);
                            if (debugMode)
                            {
                                Console.WriteLine(Floatz.ListToString(temp) + "/" + Floatz.ListToString(b) + "=" + Floatz.ListToString(deCateOriIntra));
                            }

                            c.zecimala.AddRange(deCateOriIntra.GetRange(0, Math.Min(deCateOriIntra.Count, (int)nrMaxZecimalaLaImpartire)));
                            nrMaxZecimalaLaImpartire -= Math.Min(deCateOriIntra.Count, (int)nrMaxZecimalaLaImpartire);
                            if (nrMaxZecimalaLaImpartire == 0)
                            {
                                break;
                            }
                            if (debugMode)
                            {
                                Console.Write(Floatz.ListToString(temp) + "-" + Floatz.ListToString(sub) + "=");
                            }
                            temp = Floatz.Subtract2Lists(temp, sub);
                            cmp  = Compare2Lists(temp, b);
                            if (cmp == 1)
                            {
                                temp.Add(0);
                            }
                            if (debugMode)
                            {
                                Console.Write(Floatz.ListToString(temp));
                                Console.WriteLine();
                            }
                            if (Floatz.ListIsZero(temp))
                            {
                                break;
                            }
                        }
                        else
                        {
                            if (debugMode)
                            {
                                Console.WriteLine("0 was added.");
                            }
                            c.zecimala.Add(0);
                            temp.Add(0);
                            nrMaxZecimalaLaImpartire--;
                        }
                    }
                }
            }
            if (debugMode)
            {
                Console.WriteLine(".");
            }
            c.ComprimaZecimala();
            return(c);
        }
        public static Floatz Subtract(Floatz refA, Floatz refB)
        {
            Floatz a = refA.Clone();
            Floatz b = refB.Clone();
            Floatz c = new Floatz(a.separator);

            if (a.isZero() && b.isZero())
            {
                return(Floatz.Constants.ZERO(a.separator));
            }
            if (a.isZero())
            {
                c.intreaga   = b.intreaga;
                c.zecimala   = b.zecimala;
                c.isNegative = !b.isNegative;
                return(c);
            }
            if (b.isZero())
            {
                c.intreaga   = a.intreaga;
                c.zecimala   = a.zecimala;
                c.isNegative = a.isNegative;
                return(c);
            }
            //Console.WriteLine("{0}|{1}",Floatz.ListToString(a.intreaga), Floatz.ListToString(a.zecimala));

            /*
             * 5-3
             * if(5<3)
             *  return -(5-3)
             * else
             *  return 5-3
             */

            if (!a.isNegative && b.isNegative)
            {
                b.isNegative = false;
                c            = Add(a, b);
                return(c);
            }
            if (a.isNegative && !b.isNegative)
            {
                a.isNegative = false;
                c            = Add(a, b);
                c.isNegative = true;
                return(c);
            }
            if (a < b)
            {
                c            = Subtract(b, a);
                c.isNegative = true;
                return(c);
            }

            // Aceasta functie este construita in asa fel incat a > b
            List <int> fullA = a.ToOneList();

            if (a.isZecimalaZero())
            {
                fullA.Add(0);
            }

            List <int> fullB = b.ToOneList();

            if (b.isZecimalaZero())
            {
                fullB.Add(0);
            }

            for (int i = 0; i < a.intreaga.Count - b.intreaga.Count; i++)
            {
                fullB.Insert(0, 0);
            }
            for (int i = 0; i < b.intreaga.Count - a.intreaga.Count; i++)
            {
                fullA.Insert(0, 0);
            }
            for (int i = 0; i < a.zecimala.Count - b.zecimala.Count; i++)
            {
                fullB.Add(0);
            }
            for (int i = 0; i < b.zecimala.Count - a.zecimala.Count; i++)
            {
                fullA.Add(0);
            }


            List <int> fullC  = Subtract2Lists(fullA, fullB);
            int        fullCi = 0;

            fullCi = Math.Max(a.zecimala.Count, b.zecimala.Count);

            c = Floatz.FromOneList(fullC, fullCi);
            c.ComprimaIntreaga();
            c.ComprimaZecimala();
            return(c);
        }