[patch #6719] rewrite of interaction.c

[Jason H Stover]

URL:
  <http://savannah.gnu.org/patch/?6719>

                 Summary: rewrite of interaction.c
                 Project: PSPP
            Submitted by: jstover
            Submitted on: Fri 09 Jan 2009 08:55:16 PM GMT
                Category: None
              Item Group: None
                  Status: Ready For Test/Review
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

A new version of interaction.c is attached. If this looks OK, I will use this
code to make covariance-matrix.c compute covariances when the user specifies
interactions in a model.

This code creates a new, internal variable to store the interaction. If the
way it creates the variables is acceptable to everyone, I will need Ben's
patch: 

http://lists.gnu.org/archive/html/pspp-dev/2009-01/msg00021.html

This code also creates a new value for the interactions. I did this with
strncat. Let me know if this needs changing.

There is a chance that, later, we will want to make such variables part of
the dictionary, since other procedures may need them. If so, I can use
dict_create_var instead of var_create_internal.




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File Attachments:


-------------------------------------------------------
Date: Fri 09 Jan 2009 08:55:16 PM GMT  Name: interaction.c  Size: 4kB   By:
jstover

<http://savannah.gnu.org/patch/download.php?file_id=17232>
-------------------------------------------------------
Date: Fri 09 Jan 2009 08:55:16 PM GMT  Name: interaction.h  Size: 1kB   By:
jstover

<http://savannah.gnu.org/patch/download.php?file_id=17233>

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