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Re: [Help-gsl] Problem with gsl_linalg_cholesky_invert

From: John Chludzinski
Subject: Re: [Help-gsl] Problem with gsl_linalg_cholesky_invert
Date: Sun, 24 Mar 2013 17:25:31 -0400

I would suggest using LAPACK routines DPOTRF or DPBTRF.  GSL is
unsuited for anything but small problems when it come the the linear
algebra routines.


On Sun, Mar 24, 2013 at 4:30 PM, gianluca mastrantonio
<address@hidden> wrote:
> I trie to install the library on another folder, 
> "/Users/niandra/Documents/gsl_lib". Now using the following command it works:
> gcc wrapnorm.c  -I/Users/niandra/Documents/gsl_lib/include  
> -L/Users/niandra/Documents/gsl_lib/lib    -o wrapnorm -lgsl -lgslcblas -lm
> Why this happens, and why if i use the default option the installation of the 
> library doesn't work well?.
> G.M.
> Il giorno 24/mar/2013, alle ore 20:28, gianluca mastrantonio <address@hidden> 
> ha scritto:
>> First of all thanks to everyone.
>> I did the upgrade to the version 1.15. but the problem is still there.
>> If I type gsl-config --version, this shows 1.15, so i think the installation 
>> went fine.  I used also the -Wall flag as suggests Sam Mason but are only 
>> some warnings for unused variable.
>> Maybe, before do the installation of version 1.15, should i deinstall the 
>> 1.9?
>> G.M.
>> Il giorno 23/mar/2013, alle ore 20:57, Sam Mason <address@hidden> ha scritto:
>>> On 23 Mar 2013 16:30, "gianluca mastrantonio" <address@hidden> wrote:
>>>> I compile the code with the following command:
>>>>    gcc-mp-4.7 wrapnorm.c -o wrapnorm -lgsl -l gslcblas -lm
>>> I'd recommend compiling with warnings so that GCC can suggest what's going 
>>> wrong.  The -Wall flag is what I normally use.  I'd imagine it telling you 
>>> that Patrick is right...
>>>  Sam

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