>
>
> 3) Is comparison between pointers appropriate? For example if (dptr !=
> zarray) { is scary if some arrays are zero length how do we know what the
> pointer value will be?
>
>
Yes, you need to consider these cases, which is kind of error prone.Also, I think merging transpose,and not,is a good idea because the way the code is setup it is easy. You just grab a different cached object and keep your rmaps and cmaps straight,I think.
