System.Data.SqlTypes.SqlDecimal.MpDiv1 C# (CSharp) Method

        private static void MpDiv1
        (
        uint[] rgulU,      // InOut| U
        ref int ciulU,      // InOut| # of digits in U
        uint iulD,       // In    | D
        out uint iulR        // Out    | R
        )
        {
            Debug.Assert(rgulU.Length == s_cNumeMax);

            uint ulCarry = 0;
            ulong dwlAccum;
            ulong ulD = iulD;
            int idU = ciulU;

            Debug.Assert(iulD != 0, "iulD != 0", "Divided by zero!");
            Debug.Assert(iulD > 0, "iulD > 0", "Invalid data: less than zero");
            Debug.Assert(ciulU > 0, "ciulU > 0", "No data in the array");

            while (idU > 0)
            {
                idU--;
                dwlAccum = (((ulong)ulCarry) << 32) + rgulU[idU];
                rgulU[idU] = (uint)(dwlAccum / ulD);
                ulCarry = (uint)(dwlAccum - rgulU[idU] * ulD);  // (ULONG) (dwlAccum % iulD)
            }
            iulR = ulCarry;
            MpNormalize(rgulU, ref ciulU);
        }