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Re: Calling Fortran routines from IDL [message #15139 is a reply to message #799]

Sat, 24 April 1999 00:00

steinhh
Messages: 260
Registered: June 1994

Senior Member

Sang-Heon Shim wrote:

> I heard there is a method to call fortran subroutines (77,
> 90, or both?) from IDL professional version. If that is
> true, it will enable me to link my fortran routines and
> other great fortran routines out there to IDL, which is
> great to me!

Yes, it's true (for most platforms). A "wrapper" routine
written in C is necessary -- but anything that can be
called from C can be called from IDL, in principle.

For f77 programs, there's now a pretty good, semi-automatic
way of generating the C wrapper function: Look at

http://www.uio.no/~steinhh/idl/dlmform.html

One big area of trouble is *strings* - I don't know enough on
how Fortran XX handles strings, and it's a troublesome area
in general, so beware. But who writes Fortran subroutines to
manipulate strings...???

Also see http://www.uio.no/~steinhh/idl/additions.html for a
brief discussion on Dynamicaly Loadable Modules in general,
and some C examples.

Regards,

Stein Vidar

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[Message index]

		Calling FORTRAN routines from IDL By: cruz on Mon, 01 February 1993 16:33
		Re: Calling Fortran routines from IDL By: steinhh on Sat, 24 April 1999 00:00
		Re: Calling Fortran routines from IDL By: Ole Bossing Christens on Tue, 27 April 1999 00:00

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