System.Data.SqlTypes.SqlDecimal.MpMul1 C# (CSharp) Method

        private static void MpMul1
        (
        uint[] piulD,      // InOut| D
        ref int ciulD,      // InOut| # of digits in D
        uint iulX        // In    | X
        )
        {
            Debug.Assert(iulX > s_uiZero);
            uint ulCarry = 0;
            int iData;
            ulong dwlAccum;

            for (iData = 0; iData < ciulD; iData++)
            {
                ulong ulTemp = piulD[iData];
                dwlAccum = ulCarry + ulTemp * iulX;
                ulCarry = HI(dwlAccum);
                piulD[iData] = LO(dwlAccum);
            }

            // If overflow occurs, increase precision
            if (ulCarry != 0)
            {
                piulD[iData] = ulCarry;
                ciulD++;
            }
        }