private static ColumnVector ConvertListToReadOnlyVector(IList <double> parameters)
{
// If it already is a column vector, just make sure it is read-only
// and store it. (This assumes it's not a problem to make it read-only,
// but since it was internally generated we control that.)
ColumnVector vParameters = parameters as ColumnVector;
if ((vParameters != null) && (vParameters.IsReadOnly))
{
vParameters.IsReadOnly = true;
return(vParameters);
}
// If it's an array, just convert it to a read-only column vector
// (This assumes the array won't be modified later, but since it was
// internally generated we control that.)
double[] aParameters = parameters as double[];
if (aParameters != null)
{
parameters = new ColumnVector(aParameters, 0, 1, aParameters.Length, true);
}
// If necessary, copy the parameters.
double[] cParameters = new double[parameters.Count];
parameters.CopyTo(cParameters, 0);
return(new ColumnVector(cParameters, 0, 1, cParameters.Length, true));
}