Michael, I think that calls for a type-class! (though I imagine theres a slicker way of writing it)
On Sun, Nov 11, 2012 at 11:18 PM, Michael Orlitzky <[email protected]>wrote: > On 11/10/2012 06:59 AM, Aleksey Khudyakov wrote: > > Hello cafe! > > > > I want to announce library for the small vectors of fixed length > > fixed-vector[1]. Fixed means that vector's length is determined > > by its type. > > > > Generic API can work with both ATD-based vector like complex or > > Vec written below and array-based ones. > > > >> data Vec a = Vec a a a > > > > It's based on post by Roman Leschinsiy[2]. > > > > > > Library also provide array-based vectors with memory > > representation similar to onves from vector package. It's more > > compact though because there is no need to store lengh and and > > offset to first element. > > > > [1] http://hackage.haskell.org/package/fixed-vector > > [2] > http://unlines.wordpress.com/2010/11/15/generics-for-small-fixed-size-vectors/ > > > I have a lot of one-off code where I've defined these myself. Is it > possible to e.g. define vectors in R^2 and R^3, and write the p-norm > functions only once? > > _______________________________________________ > Haskell-Cafe mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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