comp.lang.idl-pvwave archive: archive » Re: CALL_EXTERNAL

Home » Public Forums » archive » Re: CALL_EXTERNAL - Fortran Troubles

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: CALL_EXTERNAL - Fortran Troubles [message #5333]

Wed, 08 November 1995 00:00

Jim Brown
Messages: 8
Registered: November 1995

Junior Member

Mark Rivers wrote:

> You need to provide some more information:
> - What product are you using (IDL or PV-WAVE). They pass parameters
> differently to CALL_EXTERNAL
> - What operating system are you using, VMS, UNIX, Windows, etc.
> IDL's CALL_EXTERNAL passes parameters differently with Unix and VMS.

IDL
UNIX
SunOS 5.3

> IDL passes STRINGS by descriptor, i.e. the address of a structure
> containing the length and address of the string. You are not allowed to
> change the length of the string in your routine. You can get around this
> by converting to BYTE before calling your FORTRAN routine.
>

I have gotten a few suggestions along with yours since my post yesterday.
It appears that the general consensus is to convert to BYTE. I will give
that a try.

Jim
============================================================ ==============
James T. Brown
CIRES - Cooperative Institute for Research in Environmental Sciences
University of Colorado

email: jtb@cdc.noaa.gov

Report message to a moderator

[Message index]

		Re: CALL_EXTERNAL - Fortran Troubles By: Jim Brown on Wed, 08 November 1995 00:00
		Re: CALL_EXTERNAL - Fortran Troubles By: rivers on Wed, 08 November 1995 00:00

Previous Topic:	Q: Polycontour and Shade_surf with !P.Multi - impossible?
Next Topic:	Re: Regular expressions for string matching ...

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Nov 29 04:45:52 PST 2025

Total time taken to generate the page: 1.35748 seconds