Jim and Steve,

Thanks for the suggestions!!   Those are some of the aspects of these
compilers that I need to learn more about.  I look forward to exploring
those options and testing those methods!  --John

On Sat, Nov 5, 2011 at 2:39 PM, Steven Timm <[email protected]> wrote:

> John--you should note that gcc3.4 (same c compiler as in Sci. Linux 4)
> is also available in Sci. Linux 5, there is a compatible g77 as
> part of that.  That should be able to compile anything that you compiled
> before.
>
> Steve
>
>
>
> On Sat, 5 Nov 2011, John Schaad wrote:
>
>  FORTRAN -- For many years I have helped support, have used, and continue
>> to
>> use a package of software written mostly in FORTRAN for a DEC VAX
>> Mainframe
>> running the VMS operating system.  Later, I helped develop a Graphic User
>> Interface written mostly in C and X-Windows, and it was ported to run on
>> DEC VAXstations (VMS), DECstations (DEC-UNIX - ULTRIX), and the PC
>> Platform
>> under Linux.  The original port to the PC platform with Linux was with
>> Slackware, and later Redhat 5.1 through 6.2, 7.2, and 9.0.  A batch-only
>> version was ported to run on MS-Windows using Cygnus/Cygwin.  In recent
>> years, however, we have found the most reliable Linux Platform to use is
>> Scientific Linux -- presently the 4.X series.
>>
>> I have attached a PDF file with links to the IPF home page, source code,
>> and manuals, along with some of the history, in case anyone is interested
>> in exploring it further.
>>
>> In the interest of continuing development in parallel with the later
>> versions of Scientific Linux, I have tried to compile and install the IPF
>> software on SL-5.X and also SL-6.X.  I found that with the switch to
>> "gfortran" as the supported FORTRAN compiler, the FORTRAN code would no
>> longer compile.  It appears that there are major differences between
>> gfortran and the FORTRAN versions used in SL-4.X and earlier versions, and
>> it looks like we would have to re-write a lot of our FORTRAN Code, based
>> on
>> the compiler error messages that are displayed.    That was a frustrating
>> discovery!  I am glad to see that Scientific Linux 4.X will continue to be
>> supported for a while, at least for the near future.
>>
>> Does anyone have experience, and possibly some suggestions, for porting
>> earlier FORTRAN code to be usable with the gfortran compiler?
>>
>> John Schaad -
>> BPA Transmission Services
>> http://transmission.bpa.gov/
>>
>> NOTE: As a "cost cutting measure", BPA officially switched to a
>> commercial,
>> 3rd party, "off-the-shelf" powerflow software package, that actually took
>> many years following that decision to be improved and upgraded
>> sufficiently
>> to the point where it could come close to the capability of IPF for the
>> percentage of "successfully solved" power flow base cases.   At present,
>> continued support of IPF is on a volunteer basis by some of the original
>> BPA developers and current users.  Many utilities around the world still
>> use IPF, due to its quality of system solutions, minimal cost, and ease of
>> use.  It is public domain software, with certain license restrictions, as
>> described in the license on the IPF website.
>>
>>
>> On Mon, Oct 31, 2011 at 6:58 PM, Todd And Margo Chester <
>> [email protected]> wrote:
>>
>>  Hi Guys,
>>>
>>>  I have an extremely intelligent retired college professor for
>>> a customer.  He writes doctor level text books on structural
>>> engineering.  He is a sweet old duffer with an I.Q. I would guess
>>> at 200.
>>>
>>>  Part of what he does in his text books is give Fortran code to
>>> go along with the extremely complicated equations in his books.
>>> He has asked me to put him together a new computer (I figure
>>> Fedora Core 15 x64 bit).
>>>
>>>  I do not know squat about Fortran compilers.
>>>
>>>  Question: is there a good Fortran environment I should put on
>>> his new computer?  Bear in mind when you answer, that if my customer
>>> likes your suggestion, doctoral engineering students will be required
>>> to use it (tormented with it).
>>>
>>> Many thanks,
>>> -T
>>>
>>>
>>
> --
> ------------------------------**------------------------------**------
> Steven C. Timm, Ph.D  (630) 840-8525
> [email protected]  http://home.fnal.gov/~timm/
> Fermilab Computing Division, Scientific Computing Facilities,
> Grid Facilities Department, FermiGrid Services Group, Group Leader.
> Lead of FermiCloud project.
>

Reply via email to