[Haskell-cafe] ANN: hmatrix-0.16

Alberto Ruiz aruiz at um.es
Tue Jun 24 17:51:18 UTC 2014

On 06/24/2014 02:28 PM, Mateusz Kowalczyk wrote:
> On 06/20/2014 06:36 PM, Alberto Ruiz wrote:
>> Hi!
>> I am happy to announce the release of hmatrix-0.16, a Haskell package
>> for matrix computations and numeric linear algebra.
>> New features:
>> - BSD3 license. The modules depending on GSL have been moved to a new
>> package hmatrix-gsl (GPL). Now hmatrix depends only on BLAS/LAPACK.
>> - Simpler reexport modules with improved documentation and usage
>> examples. There are a few API changes but the traditional modules are
>> also exposed for backwards compatibility.
>> - Alternative interface using type-level literals for static dimension
>> checking and inference (work in progress).
>> - Initial support for sparse linear systems.
>> - Minor improvements and bug fixes (see the changelog for details).
>> http://hackage.haskell.org/package/hmatrix
>> https://github.com/albertoruiz/hmatrix
>> Some examples: http://dis.um.es/~alberto/hmatrix/hmatrix.html
>> Suggestions, contributions, and bug reports are welcome.
>> Thanks!
>> Alberto
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> It is great to see an example page: I have tried to use hmatrix in the
> past for what should have been simple matrix/vector
> multiplication/addition but quickly became frustrated unable to figure
> out how to use it so I ended up writing my own (only needed few
> operations to try something out).
> I suggest that you put the link to that page in the description of the
> package so it shows on Hackage, on this[1] page.


> Secondly, I note that some modules (not all) such as
> Numeric.Container[2] give the missing documentation page when clicked
> on. Is this intentional? If I click back to something like version
> 0.14.x and click on Numeric.Container, I get documentation as I would
> expect.
> [1]: http://hackage.haskell.org/package/hmatrix
> [2]:
> http://hackage.haskell.org/package/hmatrix-

Those modules are exposed for backwards compatibility but don't provide 
a good documentation structure. Their haddock pages are now hidden in 
the documentation locally generated by cabal install. We should only see 
four better organized reexport modules.

For some reason the {-# OPTIONS_HADDOCK hide #-} pragma works in a 
different way in the Hackage server and all exposed modules are shown, 
making the online documentation even more confusing than before :(

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