Re: [Bug-apl] Inverse Tranfer Form fails to reconstruct variable

[Juergen Sauermann]

Hi Fred,

I'm afraid you are right. Fixed in SVN 115.

I do have a regression test suite (almost every bug report is
entered into it). In the 1 ⎕TF case the test cases were wrong as well
since I did not notice the lacking ' on the inverse transformation.

/// Jürgen




On 01/29/2014 03:44 PM, Frederick H. Pitts wrote:
> Hello Juergen,
>
>         Please see the third paragraph of the 'Informal Description' of 11.6.6
> Transfer Form in ISO/IEC 13751:2000(E), page 185 and the example
> presented in 'Creating the Inverse Transfer Form' in "APL2 Programming:
> Language Reference", page 339.  Both references indicate the Inverse
> Transfer Form expect the right hand argument to be the result of having
> performed the forward Transfer Form, not the variable name the result
> was assigned to.
>
>         Is anyone actively working on build a regression suite using -T?
>
> Regards,
>
> Fred
>
> On Wed, 2014-01-29 at 14:23 +0100, Juergen Sauermann wrote:
> > Hi Fred,
> >
> > I believe you should use the variable name instead of the variable value
> > with ⎕TF, eg:
> >
> > 1 ⎕TF 'R' instead of 1 ⎕TR R and
> >
> > 2 ⎕TF 'R' instead of 2 ⎕TR R
> >
> > Also saw that you use -T -- cool!
> >
> > Best Regards,
> > Juergen
> >
> >
> >
> > On 01/29/2014 06:01 AM, Frederick H. Pitts wrote:
> > > Gentle people,
> > >
> > >         Please find attached QUADTF.tc.gz. gunzip it and run apl (svn rev 110)
> > > thus
> > >
> > >         apl --TM 2 -T QUADTF.tc
> > >
> > >         Examine QUADTF.tc.log and observe that the SCORES variable is not being
> > > reconstructed in the workspace with either the migration or extended
> > > form of the inverse transfer form.
> > >
> > > Regards,
> > >
> > > Fred