internal static unsafe double[] CalculateMovingAvgArray(int[] integerArray, int[] movingWindowArray)
{
double[] result = new double[] { };
MovingAvgInputParam inputParam = new MovingAvgInputParam();
MovingAvgOutputParam outputParam = new MovingAvgOutputParam();
try
{
int arrayLength = integerArray.Length;
int windowLength = movingWindowArray.Length;
inputParam.Size = arrayLength;
inputParam.InputArray = (int *)Marshal.AllocHGlobal(arrayLength * sizeof(int));
inputParam.Window = windowLength;
inputParam.MovingWindowArray = (int *)Marshal.AllocHGlobal(windowLength * sizeof(int));
intArrayCopy(integerArray, inputParam.InputArray);
intArrayCopy(movingWindowArray, inputParam.MovingWindowArray);
outputParam.OutputArray = (double *)Marshal.AllocHGlobal(arrayLength * sizeof(double));
MovingAvgAPI.MovingAvgStruct(ref inputParam, ref outputParam);
doublePtrCopy(outputParam.OutputArray, ref result, arrayLength);
return(result);
}
catch
{
throw;
}
finally
{
if (inputParam.InputArray != (int *)IntPtr.Zero)
{
Marshal.FreeHGlobal((IntPtr)inputParam.InputArray);
inputParam.InputArray = (int *)IntPtr.Zero;
}
if (inputParam.MovingWindowArray != (int *)IntPtr.Zero)
{
Marshal.FreeHGlobal((IntPtr)inputParam.MovingWindowArray);
inputParam.MovingWindowArray = (int *)IntPtr.Zero;
}
if (outputParam.OutputArray != (double *)IntPtr.Zero)
{
Marshal.FreeHGlobal((IntPtr)outputParam.OutputArray);
outputParam.OutputArray = (double *)IntPtr.Zero;
}
}
}
internal extern static unsafe void MovingAvgStruct(ref MovingAvgInputParam APIInputParam, ref MovingAvgOutputParam APIOutputParam);
