From: Artem Prisyznuk <tema@sit.kiev.ua>
To: Daniel.Andor@physics.org
Cc: Caml List <caml-list@inria.fr>
Subject: Re: [Caml-list] C -> CAML linking: loosing values in arrays??
Date: Sun, 12 Jan 2003 02:20:42 +0300 [thread overview]
Message-ID: <P6ZYKIB8RMMG3ZKGQKOKWNL2XBAOK.3e20a6ca@lena> (raw)
In-Reply-To: <200301111907.51989.da209@cam.ac.uk>
11.01.03 22:07:51, Daniel Andor <da209@cam.ac.uk> wrote:
>If I pass a non-array double using copy_double(), it works and I get the
>correct number on the other side.
>
>Any ideas as to where I've gone wrong?
>From Caml manual:
....
18.3.3
Arrays
Arrays of integers and pointers are represented like tuples, that is, as pointers to blocks tagged 0. They are accessed with the Field macro for reading and the modify
function for writing.
Arrays of floating-point numbers (type float array) have a _special, unboxed_, more efficient representation. These arrays are represented by pointers to blocks with
tag Double_array_tag. They should be accessed with the Double_field and Store_double_field macros.
....
>
>Thanks,
>Daniel.
>-------------------
>To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
>Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
>Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
>
-------------------
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
next prev parent reply other threads:[~2003-01-12 0:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-11 19:07 Daniel Andor
2003-01-11 23:20 ` Artem Prisyznuk [this message]
2003-01-12 1:02 ` Daniel Andor
2003-01-15 15:10 ` Damien Doligez
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=P6ZYKIB8RMMG3ZKGQKOKWNL2XBAOK.3e20a6ca@lena \
--to=tema@sit.kiev.ua \
--cc=Daniel.Andor@physics.org \
--cc=caml-list@inria.fr \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).