I edited by hand the Makefile and finished my installation.

Ran pdla and pdla2 and they seem good.

Tried running pdl the demos, but some didn't work:

   pdla> demo 3d
   Runtime error: Undefined subroutine &PDLA::Demos::TriD1::run called at (eval 
409) line 48, <DATA> line 90.
    at (eval 409) line 48, <DATA> line 90.pdl> demo 3d

When I tried

    pdla> use PDLA::Graphics::TriD;
    Bareword "KeyPressMask" not allowed while "strict subs" in use at 
/home/mochan/.perlbrew/libs/perl-5.28.0@pdla/lib/perl5/x86_64-linux-thread-multi/PDLA//Graphics//TriD//GL.pm
 line 691, <DATA> line 90.
    BEGIN not safe after errors--compilation aborted at 
/home/mochan/.perlbrew/libs/perl-5.28.0@pdla/lib/perl5/x86_64-linux-thread-multi/PDLA//Graphics//TriD//GL.pm
 line 976, <DATA> line 90.
    Compilation failed in require at 
/home/mochan/.perlbrew/libs/perl-5.28.0@pdla/lib/perl5/x86_64-linux-thread-multi/PDLA/Graphics/TriD.pm
 line 694, <DATA> line 90.
    BEGIN failed--compilation aborted at 
/home/mochan/.perlbrew/libs/perl-5.28.0@pdla/lib/perl5/x86_64-linux-thread-multi/PDLA/Graphics/TriD.pm
 line 697, <DATA> line 90.
    Compilation failed in require at (eval 65) line 4, <DATA> line 90.
    BEGIN failed--compilation aborted at (eval 65) line 4, <DATA> line 90.



pdla> demo gnuplot
   Runtime error:
   
*******************************************************************************
   This demo requires both the external "gnuplot" application and the module
   "PDLA::Graphics::Gnuplot".  You don't seem to have the module installed on 
your
   system.  You might want to get it from CPAN and try again.
   
*******************************************************************************

I tried to install PDLA::Graphics::Gnuplot,

   $ cpanm PDLA::Graphics::Gnuplot

but it doesn't seem to exist. 

I wonder if PDL and PDLA packages can be mixed.

I tried running pdla, using PDLA::FFTW3 (it doesn't exist), trying to
install it (it doesn't exist), using PDL::FFTW3 and attempting an
inverse Fourier transform, but I got an error  

    $b=ifftn($a,1)
    Can't locate object method "new_or_inplace" via package "PDLA::Type" at 
/home/mochan/perl5/perlbrew/perls/perl-5.28.0/lib/site_perl/5.28.1/x86_64-linux-thread-multi/PDL/Core.pm
 line 2533.

so I guess it is not possible to mix PDLA and PDL packages.

I still don't fully understand the pros and cons of using the
namespace PDLA instead of making a branch of PDL that becomes agile
(without changing name) and that in some future replaces the current
PDL.

Best regards,
Luis




On Fri, Apr 26, 2019 at 03:46:23PM -0500, Luis Mochan wrote:
> Failed my second attempt to install PDLA::Rest. When I
> 
>        make install
> 
> I get the error
> 
>   doc_site_install: Building PDLA documentation database ...
>   Can't open perl script "Doc/scantree.pl": No such file or directory
>   make: *** [Makefile:1128: doc_site_install] Error 2
> 
> Regards,
> Luis
> 

-- 

                                                                  o
W. Luis Mochán,                      | tel:(52)(777)329-1734     /<(*)
Instituto de Ciencias Físicas, UNAM  | fax:(52)(777)317-5388     `>/   /\
Apdo. Postal 48-3, 62251             |                           (*)/\/  \
Cuernavaca, Morelos, México          | moc...@fis.unam.mx   /\_/\__/
GPG: 791EB9EB, C949 3F81 6D9B 1191 9A16  C2DF 5F0A C52B 791E B9EB




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