Re: [PATCH] Improve geometric types

>> This is also effecting lseg ## box operator.
>
> Mmm.. It returns (1.5, 1.5) with the 0004 patch. It is surely a
> point on the second operand but I'm not sure it's right that the
> operator returns a specific point for two parallel segments.

I am changing it to return NULL, when they are parallel.

> I'd like to put comments on 0001 and 0004 only now:
>
> - Adding [LR]DELIM_L looks good but they should be described in
> the comment just above.

I will mention it on the new version.

> - I'm not sure the change of box_construct is good but currently
> all callers fits the new interface (giving two points, not
> four coordinates).

I tried to make things more consistent. The other constructors takes points.

> - close_lseg seems forgetting the case where the two given
> segments are crossing (and parallel).

I am re-implementing it covering those cases.

> - make_bound_box operates directly on the poly->boundbox. I'm
> afraid that such coding hinders compiers from using registers.

I am changing it back.

> This is a bit apart from this patch, it would be better if we
> could eliminate internal calls using DirectFunctionCall.

We don't seem to be able to fix all issues without doing that. I will
incorporate the change.

Thank you for your review. I will address your other email before
posting new versions.