Gpc May 2000

gpc@gnu.de

34 participants
63 discussions

Files
by berend＠beard.nest.nl 01 Feb '02

01 Feb '02

* Moved (from: gpc) by Berend de Boer using timEd 1.10.b3+. Peter Gerwinski wrote in a message to Berend de Boer: PG> I tried to use Extended Pascal "binding" to assign a file PG> variable to an external -- existing -- file. I just copied PG> the "Assign" pro- cedure by Berend as published in PG> borland2ep.doc. It does not always work: I often get a PG> runtime error saying that the file did not exist. If you can repeat it, compile with another Extended Pascal compiler, for example Prospero's one. If that fails too, there is really something wrong with the code. But I suspect gpc. You're using which OS? Groetjes, Berend (-: fido: 2:281/527.23 email: berend(a)beard.nest.nl

4 3

Unit-path and uses 'winapi'
by Anuradha 30 May '00

30 May '00

Hello, Unit-directory : When i change the unit-path in the setupgpc.bat , it doesnot seem to take up the units from the changed directory.I did the compile of the build.pas as mentioned in the readme.txt.But still it doenot compile with those units.So,I am putting the units in the working directory itself. Winapi : I get an error in the units that use 'winapi'.How do i change them. Thank you. Regards, Anuradha

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Re: posible bug question...
by Frank Heckenbach 29 May '00

29 May '00

J. David Bryan wrote: > Nearly. ;-) I believe item "g" actually refers to this case: > > for i := 1 to 10 do > for i := 11 to 20 do ; > > The second for-statement is contained in the first and threatens the first > for-statement's control variable, and so is illegal by item "g". Alright, this makes sense. > > Yes, but is a goto into a loop legal at all (the last sentence of > > 6.9.2.4 seems to indicate not to me, but I'm not completely sure)? > > [...] > > (c) S is a statement of the statement-sequence of the > compound-statement of the statement-part of a block containing G." Wow, 4 "of"s in a row! ;-) > Item "b" appears to be the key, as the question fails items "a" and "c". > Going out of a for-statement is legal: > > for i := 1 to 10 do > goto 1; > 1: ; > > ...because the for-statement (part of the statement-sequence containing G) > and the null-statement (S) are both part of the same statement-sequence. > However, going into a for-statement is not legal: > > goto 1; > for i := 1 to 10 do > 1: ; > > ...because the null-statement (S) is not part of the statement-sequence > containing the goto-statement (the statement-sequence containing the goto- > statement consists of the goto-statement and the for-statement but *not* > the null-statement). > > It took me three days of head-scratching to decide this, so I hope I am > correct (this time)! I hope so, too -- it does make sense, after all... Frank -- Frank Heckenbach, frank(a)g-n-u.de, http://fjf.gnu.de/ GPC To-Do list, latest features, fixed bugs: http://agnes.dida.physik.uni-essen.de/~gnu-pascal/todo.html

4 5

ok!
by Nathalie Jarosz 27 May '00

27 May '00

Hi again again! I manage to get my e_mail back. So, don't take into account my previous mail! Thanks a lot for your numerous answers about random, I will try immediately! Nathalie

1 0

random again
by Nathalie Jarosz 27 May '00

27 May '00

Hi! Could you send me again your answer because I had troubles with my e_mail yesterday.. thanks, Nathalie

1 0

Re: random
by Frank Heckenbach 26 May '00

26 May '00

Marco van de Voort wrote: > > In GPC, in may be very large, e.g.: > > <snip> > > > a := Random (1000000000000000000); > > Random has a 64-bit definition? Or both 64 and 32 with overloading? The internal RNG is 32 bit, but is a 64 bit number is wanted, Random calls it twice. The `Random' function is overloaded (with compiler magic) for LongestReal and LongestCard (i.e., the longest available real and (unsigned) integer types -- this may by 64 bit, or 128 bit on 64 bit systems). Frank -- Frank Heckenbach, frank(a)g-n-u.de, http://fjf.gnu.de/ GPC To-Do list, latest features, fixed bugs: http://agnes.dida.physik.uni-essen.de/~gnu-pascal/todo.html

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Re: random
by Frank Heckenbach 26 May '00

26 May '00

George Shapovalov wrote: > var N:any_integer_type; (may be not extended (very large) integer integer) > random(N); would return integer type in the range 0..N-1 In GPC, in may be very large, e.g.: program Foo; var a : LongInt; begin a := Random (1000000000000000000); Writeln (a) end. > random; (without parameters) would return float in the range 0..1. (with 0 inclusively and 1 exclusively) Frank -- Frank Heckenbach, frank(a)g-n-u.de, http://fjf.gnu.de/ GPC To-Do list, latest features, fixed bugs: http://agnes.dida.physik.uni-essen.de/~gnu-pascal/todo.html

2 1

random
by Nathalie Jarosz 26 May '00

26 May '00

Hi, I'd like to use random numbers generator. Is someone knows some efficient procedures or functions in pascal? Thanks a lot in advance for your help, Nathalie

4 3

Re: revised faq
by Frank Heckenbach 26 May '00

26 May '00

Hi, after Russ Whitaker has updated the FAQ (thanks!), I've discovered a problem: The old version of the FAQ was written in Texinfo. A version translated to ASCII was distributed with GPC, and that's proabably all you've seen, Russ, and consequently edited this version. Now, it would be nice to have the current FAQ in Texinfo format again. Then we could, e.g., provide an HTML version on the GPC home page and include it into GPC's documentation (and it could also contain direct cross-links to the various URLs and to other Info files, e.g. the DJGPP FAQ). So, would you be willing to convert the FAQ back to Texinfo? This would be greatly appreciated. FYI, a Texinfo version of the old FAQ can be found at ftp://agnes.dida.physik.uni-essen.de/gnu-pascal/contrib/gpc-faq-0.4.tar.gz (in case you want to check how some formatting was done there, etc.) Frank -- Frank Heckenbach, frank(a)g-n-u.de, http://fjf.gnu.de/ GPC To-Do list, latest features, fixed bugs: http://agnes.dida.physik.uni-essen.de/~gnu-pascal/todo.html

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Re: possible bug question...
by Frank Heckenbach 25 May '00

25 May '00

Russ Whitaker wrote: > Does the Standards Committiee still exist? I think the members meet at irregular time intervals. Some (or at least one) of them is reading c.l.p.a-i, so you might want to post there... > It would be nice to > start the ball rolling tward a rewrite, even if nothing more than > a conversion into real english. Unlikely. However, be invited to help improving the GPC documentation where real English descriptions of this and many other features are urgently needed. Frank -- Frank Heckenbach, frank(a)g-n-u.de, http://fjf.gnu.de/ GPC To-Do list, latest features, fixed bugs: http://agnes.dida.physik.uni-essen.de/~gnu-pascal/todo.html

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Gpc May 2000