El 19/11/2017 a las 11:06, Adriaan van Os escribió:
> Mark Morgan Lloyd wrote:
>
>> That obviously applies to all languages, I've never come across
>> something which can represent 1/3 or pi exactly.
>
> If you do read what is written in the link - that is not the issue.
> The issue is how to inter
On 20/11/17 12:00, Schindler Karl-Michael wrote:
Am 20.11.2017 um 12:00 schrieb fpc-pascal-requ...@lists.freepascal.org:> > Date: Sun, 19 Nov 2017 11:14:50 +> From: Mark Morgan Lloyd
> To: fpc-pascal@lists.freepascal.org> Subject: Re: [fpc-pascal] FORTRAN from FreePasc
> Am 20.11.2017 um 12:00 schrieb fpc-pascal-requ...@lists.freepascal.org:
>
> Date: Sun, 19 Nov 2017 11:14:50 +
> From: Mark Morgan Lloyd
> To: fpc-pascal@lists.freepascal.org
> Subject: Re: [fpc-pascal] FORTRAN from FreePascal
> Message-ID:
> Content-Type: t
Mark Morgan Lloyd wrote:
Oh really? Well I'll let you travel back in time and argue with numerous
former colleagues who've routinely found differences between their
"fortran" (-IV, -77 or whatever) and "fast fortran" compilers which in
those days tended to be separate programs even if supplied
Mark Morgan Lloyd wrote:
I read the link before posting. You aren't going to represent 1/3 or Pi
exactly in BCD either.
Again, that is not the point. Read the technical docs before posting.
Adriaan van Os
___
fpc-pascal maillist - fpc-pascal@list
On 19/11/17 12:15, Bo Berglund wrote:
On Sun, 19 Nov 2017 11:14:50 +, Mark Morgan
Lloyd wrote:
I think we're in broad agreement though: don't try converting backend >code unless
you know exactly what you're doing, and Pascal (including >Lazarus/LCL etc.) can
be valuable when implementing
On Sun, 19 Nov 2017 11:14:50 +, Mark Morgan Lloyd
wrote:
>I think we're in broad agreement though: don't try converting backend
>code unless you know exactly what you're doing, and Pascal (including
>Lazarus/LCL etc.) can be valuable when implementing a C21st frontend :-)
We do have the or
On 19/11/17 10:15, Adriaan van Os wrote:
Mark Morgan Lloyd wrote:
That obviously applies to all languages, I've never come across >
something which can represent 1/3 or pi exactly.
If you do read what is written in the link - that is not the issue. The
issue is how to interpret floating-point c
Mark Morgan Lloyd wrote:
That obviously applies to all languages, I've never come across
something which can represent 1/3 or pi exactly.
If you do read what is written in the link - that is not the issue. The issue is how to interpret
floating-point constants and how to convert single-precis
On 19/11/17 04:00, Adriaan van Os wrote:
Mark Morgan Lloyd wrote:> I think that conventional wisdom is that if
somebody's written numerical > analysis code you don't change it
gratuitously, since any alterations > will change rounding errors etc.
For some reason, that seems to apply > particula
Mark Morgan Lloyd wrote:
I think that conventional wisdom is that if somebody's written numerical
analysis code you don't change it gratuitously, since any alterations
will change rounding errors etc. For some reason, that seems to apply
particularly to FORTRAN programs :-)
The reason being e
Mark Morgan Lloyd wrote:
Except that when you're calling into a DLL (.so on Linux etc.) I don't
think you have much chance of seeing the inside of the library code.
On Mac OS X, which is actually a BSD UNIX, I debug plug-in code all the time.
Not an issue at all.
Regards,
Adriaan van Os
__
On 18/11/17 20:14, Mark Morgan Lloyd wrote:
I think that conventional wisdom is that if somebody's written numerical
analysis code you don't change it gratuitously, since any alterations
will change rounding errors etc. For some reason, that seems to apply
particularly to FORTRAN programs :-)
On 18/11/17 19:45, Bo Berglund wrote:
On Sat, 18 Nov 2017 17:06:25 +, Mark Morgan
Lloyd wrote:
I find myself wondering, in part due to conversations elsewhere: can the >Lazarus
IDE do anything at all sane with a FORTRAN routine called from >Pascal?
In the D7 application written in ObjectP
On Sat, 18 Nov 2017 17:06:25 +, Mark Morgan Lloyd
wrote:
>I find myself wondering, in part due to conversations elsewhere: can the
>Lazarus IDE do anything at all sane with a FORTRAN routine called from
>Pascal?
In the D7 application written in ObjectPascal calls were made into the
FORTRAN
Mark Morgan Lloyd wrote:
I find myself wondering, in part due to conversations elsewhere: can the
Lazarus IDE do anything at all sane with a FORTRAN routine called from
Pascal?
It's not different from a call to C or any other compiled language. And with regard to debugging, I
think it will be
On 18/11/17 16:45, Adriaan van Os wrote:
Bo Berglund wrote:
I would very much want to convert them into DLL:s programmed in
Pascal> instead so they can be maintained for new Windows versions
(and use 64> bit for example).
Well, you would have to do that by hand. And you need sufficient
underst
Bo Berglund wrote:
I would very much want to convert them into DLL:s programmed in Pascal
instead so they can be maintained for new Windows versions (and use 64
bit for example).
Well, you would have to do that by hand. And you need sufficient understanding of Fortran to know
what you are doi
> Am 17.11.2017 um 12:00 schrieb fpc-pascal-requ...@lists.freepascal.org:
>
> Date: Thu, 16 Nov 2017 20:50:57 -0500
> From: Bo Berglund
> To: fpc-pascal@lists.freepascal.org
> Subject: Re: [fpc-pascal] FORTRAN from FreePascal
> Message-ID:
> Content-Type: text/plain;
On Sun, 12 Nov 2017 08:56:49 -0500, brian
wrote:
>Anyone with any past experience here? It seems I have two choices, to
>try to call the FORTRAN subroutines from FreePascal or to port the
>FORTRAN code to Pascal, I'm looking for advice...
I have a similar problem, a Delphi7 GUI program, which ma
On 11/13/2017 10:20 AM, Adriaan van Os wrote:
> brian wrote:
>> Anyone with any past experience here? It seems I have two choices, to
>> try to call the FORTRAN subroutines from FreePascal or to port the
>> FORTRAN code to Pascal, I'm looking for advice...
>
> It is no problem calling FORTRAN from
brian wrote:
Anyone with any past experience here? It seems I have two choices, to
try to call the FORTRAN subroutines from FreePascal or to port the
FORTRAN code to Pascal, I'm looking for advice...
It is no problem calling FORTRAN from either C or FreePascal (or at least not on UNIX-like
pla
On 13/11/17 13:30, brian wrote:
I need to try to put a user-friendly GUI and some graphical outputonto an old
command-line FORTRAN number cruncher, and have beenprovided with around 130 KB
of FORTRAN source code. A quick scan ofdocumentation seems to suggest that this
is possible using gfortra
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