Re: change in handling missing data.

[Daniel J S. <dan...@ie...>]

Dmitri A. Sergatskov wrote:

> So I was hoping there is some setting that would allow old
> behavior. Apparently it is not the case, so be it, we will adapt.
> Perhaps it is time to convert to "binary" datafile format...

That would give a speed increase, but of course there isn't the flexibility with DF_MISSING, DF_UNDEFINED as there is with ASCII files, unless we want to define strings some how... but I think that is low priority.  Binary is for speed purposes.

>>The issue is what to do when a number is not legal (NaN, Inf,
>>underflow).
> 
> 
> It is an issue, because previously I did not bother to check
> if NaNs in my files written as "NaN" or as "nan".
> Also, how do I handle file that has both "NaN" and "Inf"?

[snip]

> I understand this problem. I also prefere the old (4.0) behavior.
> For one thing, since the plot is the graphical representation of
> the data I want to have a visual feedback that I have "funny"
> datapoints. Broken line provides such a feedback. Plotting
> over it -- hides it.
> Again, I am not asking to change anything. At least not at this
> moment...

You are confirming the issue, however.  I say give the user the flexibility and not try to interpret what they mean, then it is no more worries for developers.

Dan