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From: The Star King on 19 Jul 2010 11:13
This issue hasn't been mentioned for a while so I hope you don't mind
me bringing it up again. Has there been any progress made on writing
windows api programs using one of the free compilers (g95 or
gfortran)? I remember there was some discussion about "decorating"
function names and stdcall calling convention.. but it all seemed to
come to nothing.

Currently I can program windows apps in Intel Fortran or in gcc (using
C language) but not in gfortran.

Also, is it possible to call OpenGL or DirectX from fortran (Intel or
gfortran/gcc?). I'd like to do some 3D graphics eventually.

Thanks for your help with this.
From: steve on 19 Jul 2010 11:35
On Jul 19, 8:13 am, The Star King <j...(a)npl.co.uk> wrote:
> This issue hasn't been mentioned for a while so I hope you don't mind
> me bringing it up again. Has there been any progress made on writing
> windows api programs using one of the free compilers (g95 or
> gfortran)? I remember there was some discussion about "decorating"
> function names and stdcall calling convention.. but it all seemed to
> come to nothing.

Have you checked the gfortran wiki?

--
steve
From: The Star King on 19 Jul 2010 11:57
On Jul 19, 4:35 pm, steve <kar...(a)comcast.net> wrote:
> On Jul 19, 8:13 am, The Star King <j...(a)npl.co.uk> wrote:
>
> > This issue hasn't been mentioned for a while so I hope you don't mind
> > me bringing it up again. Has there been any progress made on writing
> > windows api programs using one of the free compilers (g95 or
> > gfortran)? I remember there was some discussion about "decorating"
> > function names and stdcall calling convention.. but it all seemed to
> > come to nothing.
>
> Have you checked the gfortran wiki?
>
> --
> steve

Yes, can't find any mention of Windows API programming there. Am I
missing something?
From: James Van Buskirk on 19 Jul 2010 12:36
"The Star King" <jfb(a)npl.co.uk> wrote in message
news:631eeb7e-fcef-4c40-9e1f-c51a4650200a(a)e5g2000yqn.googlegroups.com...

> This issue hasn't been mentioned for a while so I hope you don't mind
> me bringing it up again. Has there been any progress made on writing
> windows api programs using one of the free compilers (g95 or
> gfortran)? I remember there was some discussion about "decorating"
> function names and stdcall calling convention.. but it all seemed to
> come to nothing.

> Currently I can program windows apps in Intel Fortran or in gcc (using
> C language) but not in gfortran.

> Also, is it possible to call OpenGL or DirectX from fortran (Intel or
> gfortran/gcc?). I'd like to do some 3D graphics eventually.

> Thanks for your help with this.

I posted an example just a couple of days ago:

http://groups.google.com/group/comp.lang.fortran/msg/fd9d74e75d8fcb23?hl=en

OK, so it was a couple of weeks ago. If all you need to work with
is 64-bit Windows, it's easy with standard f03 in any compiler that
implements ISO_C_BINDING. The example quoted above shows that
gfortran only needs one extra extension statement per interface
block to also work with 32-bit Windows. It's pretty easy to
convert OpenGL or DirectX C header files to Fortran modules as long
as you're only trying to do it for the couple of functions that you
need and not everything at once.

--
write(*,*) transfer((/17.392111325966148d0,6.5794487871554595D-85, &
6.0134700243160014d-154/),(/'x'/)); end


From: Steve Lionel on 19 Jul 2010 12:58
On 7/19/2010 11:13 AM, The Star King wrote:
> Also, is it possible to call OpenGL or DirectX from fortran (Intel or
> gfortran/gcc?).

Intel Fortran supports OpenGL calls using the IFOPNGL module. There's
also f90gl (http://math.nist.gov/f90gl/) though I don't see a build
script for gfortran on Windows there. (There is one for Linux.)

Intel Fortran doesn't provide DirectX interfaces, but it should be
possible to construct your own.

--
Steve Lionel
Developer Products Division
Intel Corporation
Nashua, NH

For email address, replace "invalid" with "com"

User communities for Intel Software Development Products
http://software.intel.com/en-us/forums/
Intel Software Development Products Support
http://software.intel.com/sites/support/
My Fortran blog
http://www.intel.com/software/drfortran
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