From: Brian Gough <bjg@gnu.org>
To: "Stuart O Anderson" <soa@ri.cmu.edu>
Cc: gsl-discuss@sourceware.org
Subject: Re: Adding new Vector/Matrix accessor functions
Date: Tue, 06 May 2008 20:25:00 -0000 [thread overview]
Message-ID: <87lk2n2naj.wl%bjg@network-theory.co.uk> (raw)
In-Reply-To: <7ed3bc8b0805031457g6ef4f51ei810283a9b1f084b0@mail.gmail.com>
At Sat, 3 May 2008 17:57:42 -0400,
Stuart O Anderson wrote:
> I've run into a situation where it would be very convenient to be able
> to get pointers to individual elements of GSL vector and matrices.
> Currently I deal with this by using matrix and vector views of normal
> C arrays. However, if there were a pair of functions:
> double *gsl_vector_get_ptr( gsl_vector *v, int offset )
> double *gsl_matrix_get_ptr( gsl_vector *v, int row, int col )
Hello,
I think these already exist -- see the functions gsl_matrix_ptr(m,i,j)
and gsl_vector_ptr(v,i) in the manual. Manipulating data with the
pointers from these is fine.
--
Brian Gough
prev parent reply other threads:[~2008-05-06 20:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-05 20:09 Stuart O Anderson
2008-05-06 20:25 ` Brian Gough [this message]
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