Dear PDL folks, PDL::LinearAlgebra 0.27 has just been released. Notable changes since 0.26:
* Much broader testing of the wrapper functions e.g. msolve, with many fixes * A number of memory-management and other bugs are fixed, helped by the above * Those wrapper functions now work in a natural way with “native complex” numbers, so long as you don’t load PDL::Complex at all – they still work with PDL::Complex if you do load it This was all driven by a report by Guillermo Ortiz in late January about native complex stuff not working right with the wrappers, which prompted some improvement work that takes advantage of recently-added features of main PDL. Interestingly, one of the neuralgic things in the way of main-PDL “loop fusion” got fixed as part of this work. Thanks, Guillermo – and everyone, please do report problems as you find them! Zaki’s amazing CI work continues to be immensely valuable in keeping the “PDLverse” ever-more stable. Thanks, Zaki! I’m strongly considering actually removing PDL::Complex support from PDL::LinearAlgebra, because it does add a fair bit of quite awkward code. Please express an opinion if you have one! It won’t be immediate because I’d want to lift out some of Greg’s nice patching of PDL::Complex into main-PDL’s PDL::Complex, and I haven’t done that yet. Future ideas: * Use Devel::CheckLib to ensure LAPACK is installed * Be more available on Windows by using a still-to-be-created Alien::LAPACK * Use ExtUtils::F77 to better detect trailing “_” on routine names, and use the technique from PDL::Slatec/Minuit to wrap that * Make a somewhat-visual demo of this linear algebra stuff using the new plugin-based demo system – ideas welcome! The IRC channel (#pdl on irc.perl.org) is a great virtual place to come and ask questions, or just watch the GitHub messages flow by. As usual, please give the new release a try and report problems. Best regards, Ed
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