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From: Daniel Franke <franke.daniel@gmail.com>
To: gsl-discuss@sourceware.org
Cc: Gerard Jungman <jungman@lanl.gov>
Subject: Re: simplicity vs. efficiency of algorithms in GSL
Date: Tue, 14 Oct 2008 22:41:00 -0000	[thread overview]
Message-ID: <200810150045.47237.franke.daniel@gmail.com> (raw)
In-Reply-To: <1224019738.14338.157.camel@bellerophon.lanl.gov>

On Tuesday 14 October 2008 23:28:58 Gerard Jungman wrote:
> Here's the way I see it. Anybody who uses lapack already
> faces this problem; if you want to use lapack, you have
> to get your ducks lined up in columns at the start.
[snip]
> Are these problems best solved as part of a general
> "interface to fortran", or are they specific to
> matrix operations? Is any of this addressed in
> the new fortran standard (fortran-2003 apparently
> has specific standardization for inter-language
> support, including stuff like passing structs
> back and forth, but I don't know the details).

F2003 Standard (final draft):
http://www.j3-fortran.org/doc/year/04/04-007.pdf

-- 8< --
15.2.5 Interoperability of array variables"

NOTE 15.18
For example, a Fortran array declared as
	INTEGER :: A(18, 3:7, *)

is interoperable with a C array declared as
	int b[][5][18]
-- 8< --

Does this help?

	Daniel

  reply	other threads:[~2008-10-14 22:41 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200809221621.54890.emanuele.passera@treuropa.com>
     [not found] ` <20080922162507.GA29877@hippogriff.homeunix.org>
2008-09-22 18:32   ` Tuomo Keskitalo
2008-09-22 19:48     ` Patrick Alken
2008-09-22 21:01       ` Robert G. Brown
2008-09-23 21:52         ` Gerard Jungman
2008-09-24 21:19           ` Brian Gough
2008-09-25  0:07             ` Gerard Jungman
2008-09-25  3:07               ` Andrew W. Steiner
2008-09-25  3:50               ` Z F
2008-09-26 21:48               ` Brian Gough
2008-09-27  6:12                 ` Jochen Küpper
2008-09-29 13:35                   ` Brian Gough
2008-10-07 21:14                   ` Gerard Jungman
2008-10-09 18:38                     ` Tuomo Keskitalo
2008-10-09 18:57                       ` Frank Reininghaus
2008-10-09 21:17                         ` Gerard Jungman
2008-10-10  0:05                       ` Gerard Jungman
2008-10-10 15:50                         ` Robert G. Brown
2008-10-10 18:47                           ` James Amundson
2008-10-11  2:48                         ` Brian Gough
2008-10-14 21:33                           ` Gerard Jungman
2008-10-14 22:41                             ` Daniel Franke [this message]
2008-10-16 22:20                               ` Gerard Jungman
2008-10-17 13:27                             ` Brian Gough

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