From mboxrd@z Thu Jan  1 00:00:00 1970
From: Philip Kendall <pak@ast.cam.ac.uk>
To: gsl-discuss@sourceware.cygnus.com
Subject: Re: 3 points from a new user of gsl
Date: Wed, 19 Dec 2001 13:20:00 -0000
Message-id: <20010615154657.A22415@ast.cam.ac.uk>
References: <01061516251601.22198@lgmt-fab5.ups-tlse.fr>
X-SW-Source: 2001/msg00219.html

On Fri, Jun 15, 2001 at 04:25:16PM +0200, Jean-Max Redonnet wrote:
> 
> Just a small problem
> $ /usr/bin/gsl-config --libs
> returns
> -L/usr/lib -lgsl -lm
> This not include -lblas that might be useful sometines. Is it normal ?

Yes, for 0.7; 0.8 (which has been out for a couple of weeks now) include
the BLAS libraries in the output of `gsl-config --libs`.

> Vectors and matrices
> I've not found any function to get the norm of a vector

double gsl_blas_dnrm2 (const gsl_vector * X) gives you the Euclidean
norm (certainly in 0.8 and I guess it's in 0.7).

HTH,

Phil

-- 
  Philip Kendall <pak@ast.cam.ac.uk>
  http://www.srcf.ucam.org/~pak21/