/*******************************************/
public int QC_CompareTo(IGH_QuickCast other)
{
double a = QC_Num();
double b = other.QC_Num();
return(a.CompareTo(b));
}
static public float readFloat(GH_Component u, IGH_DataAccess da, int idx, string msg)
{
IGH_QuickCast c = null;
var r = da.GetData(idx, ref c);
u.Message = !r ? msg : "";
return((float)(c?.QC_Num() ?? 0.0));
}