GHC and GSL

[Alberto Ruiz]

I think this is known problem with interpreted mode in 64-bit machines:

https://github.com/albertoruiz/hmatrix/issues/2

The program should work ok in compiled mode.

Alberto

On 07/22/2013 06:27 PM, Edward Z. Yang wrote:
> Usually, a bus error is similar to a segmentation fault, in that it
> indicates something has gone terribly wrong.  However, as hmatrix
> is an API to some foreign C libraries, I would not rule out the possibility
> that it's a bug in the library itself.
>
> What version of hmatrix do you have, and if you compile the program
> with -debug and run it in gdb, do you get a backtrace?
>
> Edward
>
> Excerpts from Adrian Victor Crisciu's message of Mon Jul 22 06:38:46 -0700 2013:
>> Hi,
>>
>> I need to import in one of my programs the minimization module form
>> Numeric.GSL.Minimization. When I run even the example code in interactive
>> mode, ghci crashes with a "Bus error" message. Is this a bug, or is
>> something wrong with my code?
>>
>> The offending program follows:
>>
>> module MinMaxTest where
>>
>> import Numeric.GSL.Minimization
>>
>> objFunc :: [Double] -> Double
>> objFunc [x, y] = 10 * (x-1)^2 + 20 * (y-2)^2 + 30
>>
>> main :: IO ()
>> main = do
>>      let (s, p) = minimize NMSimplex2 1e-2 30 [1, 1] objFunc [5, 7]
>>      print s
>>      print p
>>
>> I use ghc-7.6.3 on a Slackware-Linux platform.
>>
>> Can anyone help?
>>
>> Thank you in advance.
>> Adrian-Victor
>
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