Message: 29
Date: Sat, 6 Nov 2010 13:22:10 +0100
From: Roel van Dijk <vandijk.roel@gmail.com>
Subject: [Haskell-cafe] hmatrix's fitModel function crashes ghc(i)
To: Haskell Caf? <haskell-cafe@haskell.org>
Message-ID:
       <AANLkTim5eGSL_BZ+RUv-=d-Z3DB65Sc8o=cKQLTcyKT4@mail.gmail.com>
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Hello,

I would like to use hmatrix to do some function fitting with the
Levenberg Marquardt algorithm. As an example I would like to fit the
very simple function "f x = a*x + b" on some data points. The problem
is that executing the 'fitModel' function crashes GHC(i) with a
segmentation fault. This makes debugging difficult. Can anyone spot
what I am doing wrong? Given all the lists of Double's it seems very
easy to make an error regarding the number of arguments with the model
function or the derivative.

I think the problem is with linking static data in GHCi on x86_64.

Hope this helps.  I seem to recall there might be a ghc trac ticket related to this but a quick search turned up nothing.