q-lang-users — general discussion, questions, suggestions, etc.

[q-lang-users] qix 0.4 - polynomial mathematics library

[Rob H. <hub...@gm...>]

Dear All,

Albert has very kindly uploaded the latest version of my polynomial q
module "qix". It can be downloaded from the Grab Bag

    <http://q-lang.sourceforge.net/examples.html#Miscellaneous> as
    <http://q-lang.sourceforge.net/qix-0.4.tar.gz>

This file includes some fairly extensive documentation.

[Thanks are also due to Albert for all his help during development.]

So, what is this thing?

Well, it's a somewhat miscellaneous collection of functions to
manipulate (univariate) polynomials and to solve polynomial equations.

[I have been primarily interested in polynomials with rational or
complex rational coefficients, but the module also has some routines
targeted at polynomials over the real and complex numbers.]

Obviously, there are routines to construct polynomials (including by
fitting a polynomial to given points), to perform arithmetic, and a
little calculus, on them.

    Examples:

        =3D=3D> monic_poly_with_roots [1,2,3]
        poly_lambda '(\X . X^3-6*X^2+11*X-6)

        =3D=3D> poly_thru_points [(1,1),(2,4),(3,9),(4,16)]
        poly_lambda '(\X . X^2)

For those of you who know a little algebra, there are the "usual"
routines to solve (that is, find the roots or zeroes, or to factorise)
linear, quadratic, cubic and quartic equations; that is, polynomials
of degree up to four. The quadratic solver is "numerically stable".
The cubic and quartic routines are real "gems" amongst the many and
varied routines in the literature.

However, there are some other routines with which to solve
polynomials: the "rational root theorem" is implemented to find *all*
rational roots of any polynomial (of any degree) with rational
coefficients.

    Example (finding all rational roots):

        =3D=3D> def P =3D (monic_poly_with_roots [1,1,4,7%12,i,4+3*i]); P
        poly_lambda '(\X . 2*X^5-67%6*X^4+107%6*X^3-27*X^2+83%3*X-28%3)
        =3D=3D> poly_rat_roots_rem P;
        ([(4,1),(1,2),(7%12,1)],poly_lambda '(\X . X^2+(-4-4*i)*X+(-3+4*i))=
)

I have extended this for complex rational roots also.

Use is also made of the "square-free part" and the "fundamental
theorem of palindromic polynomials". There are routines to find
approximations of roots.

I describe "difference systems", which is finite for a polynomial.
This allows a little simple finite calculus to be performed (sums and
differences of polynomials considered as series).

There are some other miscellaneous features of the module that might
be of interest to some: "B=E9zier parametrisations", DFT,
transformations, operators, ...

For more details, and many examples, please see the documentation.
[All examples in the documentation have real responses from the Q
interpreter.]

In a separate file, I have provided some matrix functions as an
example, and in case you wish to try some polynomials with non-numeric
coefficients. Support for these is, unfortunately, only partial.

All this is still work in progress.

If you find any bugs, then please let me know. Similarly, if anything
in the documentation is unclear, incorrect, missing, or poorly styled,
please let me know. If my code is unclear, incorrect, insufficiently
commented, particularly sub-optimal, poorly styled, or you just know
of a good Q technique I could use, again please let me know. I'm
always happy to try to improve the quality of my code and
documentation.

More importantly, if you know of any interesting mathematics relevant
to (univariate) polynomials that I have missed, please tell me about
it.

Thanks,
Rob.

[q-lang-users] Q/Tk bug or feechur?

[Evan H. <erh...@ve...>]

Hello

I was playing with Q and Tk, the clipboard widget, in particular. I
found that the Q interpreter(?) seems to hang on to a lock after a tk "clipboard get" action.

I found this out by trying to paste (ctrl+v), in win32, while the interpreter was
still running AFTER a tk_quit function.  If I quit from q, paste works OK.

After evaluating the "clipboard get" command in wish, pasting works fine without having to exit wish.

Thanks for any help.
Evan

Re: [q-lang-users] Proposed ML policy change

[Albert G. <Dr....@t-...>]

Tim Haynes wrote:
> I was thinking that sometimes my sender leaks out rather than the From:
> header. 

Hmm, never noticed that. Do you have an idea on how to tweak mailman to
fix that? (Obviously, I know next to nothing about mailman, and I just
don't have the time to dig through the manual...)

Albert

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

Re: [q-lang-users] Proposed ML policy change

[Albert G. <Dr....@t-...>]

Thanks Tim, that did it! :) All nonmember posts will be discarded now.
Let's see how well that works.

Albert

Tim Haynes wrote:
> https://lists.sourceforge.net/lists/admin/q-lang-users/privacy/sender

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

Re: [q-lang-users] Proposed ML policy change

[Tim H. <q...@st...>]

Albert Graef <Dr....@t-...> writes:

> /me wrote:
>> Therefore I'm considering to change the policy so that only subscribers can post.
>
> Hmm, turns out that I can't find that option anywhere in the mailman's
> web-based admin interface. Does anyone know how to do this?

https://lists.sourceforge.net/lists/admin/q-lang-users/privacy/sender

https://lists.sourceforge.net/lists/admin/q-lang-users/?VARHELP=privacy/sender/generic_nonmember_action

HTH :)

~Tim
-- 
<http://spodzone.org.uk/>

Re: [q-lang-users] Proposed ML policy change

[Tim H. <q...@st...>]

Albert Graef <Dr....@t-...> writes:

> Tim Haynes wrote:
>> Generally OK by me as long as it picks up the correct envelope/From/Sender
>> both times.
>
> Hi Tim, do you refer to the reply address? It's set up now so that
> replies go to the list instead of the poster (my personal preference, but
> we can change that if enough people want to have it in a different way).

I didn't, but having it to the list is fine by me - I can't abide when a
wide-reply tries to send things only to the individual sender or their
designated reply-to field.

I was thinking that sometimes my sender leaks out rather than the From:
header. 

> If anyone has other specific suggestions as to how to set up mailman for
> this list, please let us know. I must confess that I'm anything but a
> mailman expert, so I'm open to suggestions, but we should reach some kind
> of consensus which makes everyone on this list (mostly) happy.

If you make it so that stuff from subscribers goes through straight away,
but stuff from others requries moderation, that might be a reasonable
half-way house. I do that for some of ork's lists (mostly -announce type);
you could make it a periodic batch job to tidy up / add senders to an
"allow" list even though they're not subscribed / approve cross-posts.

~Tim
-- 
<http://spodzone.org.uk/>

Re: [q-lang-users] Proposed ML policy change

[Rob H. <hub...@gm...>]

Hello Albert,

An alternative sometimes used on mailing lists is for the first
submission from a given email address to be manually checked. I
presume this works by having someone manually maintain a list of known
"good" submitters. This mechanism might not be available to you, and
might not be something you want the additional overhead of in any
case.

Failing that, the subscribers-only option would be fine by me. The
spam is certainly becoming a problem.

Thanks,
Rob.

Re: [q-lang-users] q-lang-users Digest, Vol 10, Issue 8

[Anthony <ad...@ke...>]

I was just about to unsubscribe because of all the
spam.  In groups that I moderate, I only allow
subscribers to post.

In the case of this group, perhaps that would be the
best thing.

Just a thought...

T
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> Today's Topics:
> 
>    1. Proposed ML policy change (Albert Graef)
>    2. Re: Proposed ML policy change (Orlarey Yann)
>    3. Re: Proposed ML policy change (Tim Haynes)
>    4. Re: Proposed ML policy change (Albert Graef)
>    5. Re: Proposed ML policy change (Albert Graef)
>    6. "The album features Stanley "Pastor G"
> Gwanzura,	Bethen
>       Pasinawako, Taurai Gordon Nzira,	Carol
> Nyakudya and Zimbabwe
>       Music Awards (ZIMA) producer of the year	2006,
> Macdonald "Macdee"
>       Chidavaenzi. (Whitney)
> 
> 
>
----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 27 Mar 2007 10:14:36 +0200
> From: Albert Graef <Dr....@t-...>
> Subject: [q-lang-users] Proposed ML policy change
> To: q-l...@li...
> Message-ID: <460...@t-...>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hi all,
> 
> as you probably noticed, the list gets hit by quite
> a lot of spam
> lately, which is annoying and is only going to get
> worse. Therefore I'm
> considering to change the policy so that only
> subscribers can post. I
> know that this makes it difficult for
> cross-postings, but it seems to be
> the only reasonable way to get rid of most of the
> spam. What do you
> think about this?
> 
> Cheers,
> Albert
> 
> -- 
> Dr. Albert Gr"af
> Dept. of Music-Informatics, University of Mainz,
> Germany
> Email:  Dr....@t-...,
> ag...@mu...
> WWW:    http://www.musikinformatik.uni-mainz.de/ag
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Tue, 27 Mar 2007 11:21:43 +0200
> From: Orlarey Yann <or...@gr...>
> Subject: Re: [q-lang-users] Proposed ML policy
> change
> To: "Discuss the Q language."
> <q-l...@li...>
> Message-ID: <460...@gr...>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hi Albert,
> 
> 
> Albert Graef a ?crit :
> > as you probably noticed, the list gets hit by
> quite a lot of spam
> > lately, which is annoying and is only going to get
> worse. Therefore I'm
> > considering to change the policy so that only
> subscribers can post. I
> > know that this makes it difficult for
> cross-postings, but it seems to be
> > the only reasonable way to get rid of most of the
> spam. What do you
> > think about this?
> >   
> I think it is a good idea
> 
> Yann
> > Cheers,
> > Albert
> >
> >   
> 
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Tue, 27 Mar 2007 10:38:16 +0100
> From: Tim Haynes <q...@st...>
> Subject: Re: [q-lang-users] Proposed ML policy
> change
> To: "Discuss the Q language."
> <q-l...@li...>
> Message-ID: <86m...@po...>
> Content-Type: text/plain; charset=us-ascii
> 
> Albert Graef <Dr....@t-...> writes:
> 
> > as you probably noticed, the list gets hit by
> quite a lot of spam lately,
> > which is annoying and is only going to get worse.
> Therefore I'm
> > considering to change the policy so that only
> subscribers can post. I
> > know that this makes it difficult for
> cross-postings, but it seems to be
> > the only reasonable way to get rid of most of the
> spam. What do you think
> > about this?
> 
> Generally OK by me as long as it picks up the
> correct envelope/From/Sender
> both times.
> 
> ~Tim
> -- 
> <http://spodzone.org.uk/>
> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Tue, 27 Mar 2007 11:28:05 +0200
> From: Albert Graef <Dr....@t-...>
> Subject: Re: [q-lang-users] Proposed ML policy
> change
> To: "Discuss the Q language."
> <q-l...@li...>
> Message-ID: <460...@t-...>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Tim Haynes wrote:
> > Generally OK by me as long as it picks up the
> correct envelope/From/Sender
> > both times.
> 
> Hi Tim, do you refer to the reply address? It's set
> up now so that
> replies go to the list instead of the poster (my
> personal preference,
> but we can change that if enough people want to have
> it in a different way).
> 
> If anyone has other specific suggestions as to how
> to set up mailman for
> this list, please let us know. I must confess that
> I'm anything but a
> mailman expert, so I'm open to suggestions, but we
> should reach some
> kind of consensus which makes everyone on this list
> (mostly) happy.
> 
> Albert
> 
> -- 
> Dr. Albert Gr"af
> Dept. of Music-Informatics, University of Mainz,
> Germany
> Email:  Dr....@t-...,
> ag...@mu...
> WWW:    http://www.musikinformatik.uni-mainz.de/ag
> 
> 
> 
> ------------------------------
> 
> Message: 5
> Date: Tue, 27 Mar 2007 13:38:01 +0200
> From: Albert Graef <Dr....@t-...>
> Subject: Re: [q-lang-users] Proposed ML policy
> change
> To: "Discuss the Q language."
> <q-l...@li...>
> Message-ID: <460...@t-...>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> /me wrote:
> > Therefore I'm considering to change the policy so
> that only subscribers can post.
> 
> Hmm, turns out that I can't find that option
> anywhere in the mailman's
> web-based admin interface. Does anyone know how to
> do this?
> 
> -- 
> Dr. Albert Gr"af
> Dept. of Music-Informatics, University of Mainz,
> Germany
> Email:  Dr....@t-...,
> ag...@mu...
> WWW:    http://www.musikinformatik.uni-mainz.de/ag
> 
> 
> 
> ------------------------------
> 
> Message: 6
> Date: Tue, 27 Mar 2007 13:38:11 +0100
> From: "Whitney" <qz...@er...>
> Subject: [q-lang-users] "The album features Stanley
> "Pastor G"
> 	Gwanzura,	Bethen Pasinawako, Taurai Gordon Nzira,
> Carol Nyakudya and
> 	Zimbabwe Music Awards (ZIMA) producer of the year
> 2006, Macdonald
> 	"Macdee" Chidavaenzi.
> To: <q-l...@li...>
> Message-ID: <001e01c7706d$547c0ab0$5c649ba4@asddu>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> 
> She commended Africa University for being at the
> forefront in advancing cultural issues on the
> African continent.
> They are not the only artworks by Brochot on
> display; there are also a number of striking
> paintings on display, one of which is "Busy Gabs".
> "The movie also brings out the tribal stereotypes as
> we know them.
> Read our Privacy Statement. With his sophisticated
> style and spectacular shows, Koffi Olomide became
> the fashion-leader in Soukous- singing and
> incredibly popular in Africa. Widely travelled
> sculptor Sikhulile Sibanda painted a polygamist, his
> two wives and a child in the background. I
> recognized him but he didn't know that I was the
> one. Though many claim that there is a downward
> trend in theatregoing audiences today, it is only
> explainable. Then came the controversial La Loi
> which sold widely largely due to its controversial
> nature having been banned in the Congo DR.
> Gregory's College in the 60s and my father was a
> professional tennis player in Lagos. From Take Five,
> the group moved to the Shebeen and, later, to Oodi
> Lodge, which was also managed by Katumbela. These
> are issues that need to be addressed and they were
> all addressed in the play. Deputy Director of the
> National Arts Council of Zimbabwe, Mr Elvas Mari,
> spoke on day two of the festival, under the
> sub-theme "Arts, Culture, HIV and Aids".
> Hopefully, groups like these will silence whispers
> that the upmarket version of the Hoerikwaggo Trail
> will soon have to be scrapped due to lack of
> interest. South Africans of English descent call
> themselves English and so do the Chinese and the
> Portuguese etc.
> He said: "They just took it back.
> In December, one of the leading members of the band,
> Eric Juba, who played the sax and vocals, passed
> away. And if you know the story of Bobi Wine's life,
> you know what the movie is all about.
> He is actually my best friend.
> "I was actually surprised when I received the call
> to be asked whether I was now producing music albums
> for the opposition party. Why not confine the action
> to the other end where there are no terraces?
> I don't have any regrets because he has been a
> fantastic husband. Elizabeth Agiro analyses.
> Gwaze said they had collaborated with Dyer before
> and this is why they want him to assist them on
> their project. And my mother is an American. You
> will have to teach Cape Town drivers about
> indicators first. And when I got to the University
> abroad, I joined the drama department from secondary
> up to my degree in architecture.
> "Singing is where I make my money, so I can't give
> it up unless Ugandans are tired of my songs. I do
> not want to disrespect other people's movies but
> Divizionz is not like the KinaUganda type you are
> used to. But Chigorimbo is found wanting when it
> came to driving this powerful story. Other works on
> display by Jobson include "Postscript",
> "Fragmented", "Party Member", and "Looking Up". The
> celebrations kicked off at the National Theatre last
> November, traversing the major up-country towns.
> And going by the current productions, progress is
> already underway in that direction. When I met
> Bucha(man), it took me three years to find out his
> real name yet I was his friend," Bobi Wine explains.
> Divizionz also points to the different ghettos in
> our society.
> Vigana Monologues covers a lot of issues that women
> face world wide such as battery, rape, molestation,
> abuse and all kinds of issues as well as everyday
> domestic violence.
> Finally getting to act in a movie, even if it is his
> own, has given him a joy he hasn't felt before.
> They are not the only artworks by Brochot on
> display; there are also a number of striking
> paintings on display, one of which is "Busy Gabs".
> The host of the evening was the veteran actor,
> Richard Mofe-Damijo who was in his element as he
> welcomed his fellow actors and actresses to Yenagoa,
> Bayelsa State.
> -------------- next part --------------
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> ------------------------------
> 
>
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> End of q-lang-users Digest, Vol 10, Issue 8
> *******************************************
> 

Re: [q-lang-users] Proposed ML policy change

[John C. <co...@cc...>]

Albert Graef scripsit:

> as you probably noticed, the list gets hit by quite a lot of spam
> lately, which is annoying and is only going to get worse. Therefore I'm
> considering to change the policy so that only subscribers can post. I
> know that this makes it difficult for cross-postings, but it seems to be
> the only reasonable way to get rid of most of the spam. What do you
> think about this?

+1

-- 
Evolutionary psychology is the theory           John Cowan
that men are nothing but horn-dogs,             http://www.ccil.org/~cowan
and that women only want them for their money.  co...@cc...
        --Susan McCarthy (adapted)

Re: [q-lang-users] Proposed ML policy change

[Albert G. <Dr....@t-...>]

/me wrote:
> Therefore I'm considering to change the policy so that only subscribers can post.

Hmm, turns out that I can't find that option anywhere in the mailman's
web-based admin interface. Does anyone know how to do this?

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

Re: [q-lang-users] Proposed ML policy change

[Albert G. <Dr....@t-...>]

Tim Haynes wrote:
> Generally OK by me as long as it picks up the correct envelope/From/Sender
> both times.

Hi Tim, do you refer to the reply address? It's set up now so that
replies go to the list instead of the poster (my personal preference,
but we can change that if enough people want to have it in a different way).

If anyone has other specific suggestions as to how to set up mailman for
this list, please let us know. I must confess that I'm anything but a
mailman expert, so I'm open to suggestions, but we should reach some
kind of consensus which makes everyone on this list (mostly) happy.

Albert

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

Re: [q-lang-users] Proposed ML policy change

[Tim H. <q...@st...>]

Albert Graef <Dr....@t-...> writes:

> as you probably noticed, the list gets hit by quite a lot of spam lately,
> which is annoying and is only going to get worse. Therefore I'm
> considering to change the policy so that only subscribers can post. I
> know that this makes it difficult for cross-postings, but it seems to be
> the only reasonable way to get rid of most of the spam. What do you think
> about this?

Generally OK by me as long as it picks up the correct envelope/From/Sender
both times.

~Tim
-- 
<http://spodzone.org.uk/>

Re: [q-lang-users] Proposed ML policy change

[Orlarey Y. <or...@gr...>]

Hi Albert,


Albert Graef a écrit :
> as you probably noticed, the list gets hit by quite a lot of spam
> lately, which is annoying and is only going to get worse. Therefore I'm
> considering to change the policy so that only subscribers can post. I
> know that this makes it difficult for cross-postings, but it seems to be
> the only reasonable way to get rid of most of the spam. What do you
> think about this?
>   
I think it is a good idea

Yann
> Cheers,
> Albert
>
>   

[q-lang-users] Proposed ML policy change

[Albert G. <Dr....@t-...>]

Hi all,

as you probably noticed, the list gets hit by quite a lot of spam
lately, which is annoying and is only going to get worse. Therefore I'm
considering to change the policy so that only subscribers can post. I
know that this makes it difficult for cross-postings, but it seems to be
the only reasonable way to get rid of most of the spam. What do you
think about this?

Cheers,
Albert

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

[q-lang-users] =?iso-2022-jp?b?GyRCPXUkMSRGJC8kQCQ1JCQbKEI=?=

[<sup...@ya...>]

突然すみません。竹中　眞子と申します。結婚して１２年未だに子供が出来ません。何かにつけてその事に関して姑にいやみを言われます、しかも夫は外に女がいるようで最近はほとんど相手にしてくれません。そこで、どなたか私に精子を提供してくださいませんでしょうか？中だしで構いません。お礼もさせていただきます。一切ご迷惑はお掛けしません。子供さえ出来れば全てうまくいくと思うんです。　No,278392に電話番号を載せましたの、連絡下さい。どうか宜しくお願いします。　http://rvze.com/?nh06

[q-lang-users] anesthetist

[Tony Q. D. <ft...@hi...>]

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
<img alt="horrific" src="cid:par...@hi..."
 height="298" width="545"><br>
I'll post Part 2 tomorrow.<br>
I tend to BELIEVE that truth is absolute; "I know this bridge is strong
enough to hold me, because I designed it.<br>
That doesn't make it relative; it just provides the appropriate level of
specificity.<br>
Happy Cog redesigns AIGA  How do you redesign the flagship site of the
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designer. It's called PublicRelationsIdeas.<br>
You Talked, We Listened: Press Kit Training Manual Now Available What's
That Again? 6 out of 10 - Good No piece of technology is perfect but
this is at least on the road to perfect. I've tried many a bloggin CMS
and Wordpress is by far the easiest to install, theme, use and enhance.
" Quick, die now so that you can capitalize on our special and get
cremated before the end of the year!<br>
John said on March 2nd, 2007 at 8:26 am:  As with ALA, too much area is
devoted to navigation for my taste, but the overall look is terrific.
The top right corner of every page features a signup box where you can
register to get alerted by email each time a new tip gets published.
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with web standardsmy glamorous lifeclassicsabout 10 March 2007 8 am
eastern A List Apart dinner at SXSW A List Apart dinner. us, and
slightly less frequently YouTube and Technorati.<br>
But we must remember (and I think this is why the trend is going this
direction) that it is the content that makes up the internet.<br>
Next, we have what we know we don't know.<br>
I see Paris got to your heart, also did your appreciation of art, whilst
you were there. BONUS: You will also receive our FREE 7-day PR course,
The Crash Course in PR, delivered by email.<br>
This sounds like a frustrated rant but interpret it as a desperate cry
for help. The cards not only stay true to original design with its look
and feel, but are also in the original size of the 1955 and 1956 cards.
His name is Time and he's coming to an end.<br>
Knowing something, without action, is only an example of 'potential' or
'stored' power. Comments:  Search Search this blog: Recent Posts Quick
Takes What is Knowledge?<br>
Mashable has the details. net: What is Knowledge? To begin, I'll start
with a definition of knowledge. The fact that it can publish "static"
HTML (as I have been doing, in spite of the . Jeff Hester   :: July 30,
2006 10:21 PM Yes, taunting can work wonders. since you taunted me with
your "killed feedback" comment, I'll share some more thoughts on the
subject. If the change is worth the time and effort. Of course, if you
wish, we also have an RSS feed built in, so you can read it in your
newsreader. Moderator: Jason Santa Maria Jason Santa Maria   Creative
Dir,   Happy Cog Studios Cameron Moll  cameronmoll.<br>
I like quality AND quantity! Jeff   :: July 29, 2006 08:30 PM Thanks for
jumping on the discussion, Tigerblade.<br>
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Re: [q-lang-users] windoze libraries question

[Albert G. <Dr....@t-...>]

Evan Hawkins wrote:
> What is the procedure to make these libraries "available" to Q?

Which libraries exactly? The Windows APIs are huge. :)

For moderately-sized APIs, there's Q's native C interface (see Appendix
C of the manual,
http://q-lang.sourceforge.net/qdoc/qdoc_15.html#SEC156). The biggest Q
module written using that to date is clib, Q's POSIX system interface,
you can find the sources of that in the Q source package,
http://prdownloads.sourceforge.net/q-lang/q-7.6.tar.gz?download

The direct C interface is probably easier to understand, but for bigger
libraries your best bet would be SWIG, because it generates most of the
necessary wrapper code for you. There's a Q-enabled SWIG version
available on the Q website (and a binary for Q-SWIG is already included
in the Qpad package):
http://prdownloads.sourceforge.net/q-lang/swig-1.3.22-q-20060225.tar.gz?download

Unfortunately, there's no specific Q-SWIG documentation yet (beyond the
generic SWIG 1.3.22 documentation). However, two basic examples can be
found in the Qpad/examples/swig folder, more examples are included in
the Q-SWIG source package (see the link above), and some of the modules
(e.g., Q's interfaces to OpenGL, SQLite etc.) are also written using
SWIG, so you can study the sources of those (all available at
http://q-lang.sourceforge.net/download.html#Sources) to see how to deal
with full-blown libraries. (But make sure to take a look at the basic
examples first. It's also instructive to look at the generated C/C++
wrapper code to better understand SWIG's inner workings. Essentially
it's all about marshalling Q data to C, running the C function, then
converting C/C++ results back to Q.)

For simple interfaces it's often just a matter of writing a minimal SWIG
interface (.i) file which either pulls in the necessary C/C++ header
files or just declares the prototypes of the required functions. Q-SWIG
already "knows" about simple C data types like numbers and strings and
generic pointers, but if you need to wrap elaborate data structures,
you'll probably need to supply your own "typemaps" to tell SWIG how to
deal with them. The most complex issues arise if your C/C++ code needs
to call back into Q, but this can be done, too, if done properly (you
can find examples of this, e.g., in the OpenGL and SQLite modules).

HTH,
Albert

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

[q-lang-users] windoze libraries question

[Evan H. <erh...@ve...>]

What is the procedure to make these libraries "available" to Q?
Thanks

[q-lang-users] Howard said he'd see what he could do.

[Raymond N. <aa...@pl...>]

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
<img alt="rebel" src="cid:par...@pl..."
 height="397" width="347"><br>
Robin said that some of those hats look so bizarre. Ralph said that if
he can get the new episodes of Battlestar Galictica before they're
released on DVD, he'll stop bothering him with those problems. 6:10am
Howard's Baby?<br>
They also talked about the Jimmy Kimmel show where they showed the
Rappin Granny clip.<br>
Howard said they've been having those discussions for 20 years. Howard
told Beth about what they were talking about in the car the other night
when she turned him down on some of the things he brought up. Gary came
in and had some trouble speaking because he had a cold. He said he only
read his own part so he's not sure what the rest of the show is
about.<br>
Artie tried to ignore him on that.<br>
He said Mutt asked him off the air what kind of big plans they had for
next week when their anniversary comes up.<br>
Artie said he'd like some cold cuts and some bread.<br>
They had already talked about it a while ago but he wasn't sure what
that was all about.<br>
Howard said Doug Goodstein found someone to watch his baby to go to that
wedding. Then Gary came in and said that Tim is a liar and he loves to
eat that kind crap from Del Fresco.<br>
6:50am Artie's New Year's Eve Comedy Show Clips.<br>
6:10am Howard took a call from a guy who told Howard how great his
Kimmmel appearance was.<br>
'' New Years Resolutions.<br>
Fred Not Going To Bubba's Wedding? He said Mutt asked him off the air
what kind of big plans they had for next week when their anniversary
comes up.<br>
He went on to talk about how the people there at SIRIUS wanted him to do
Letterman but he wanted SIRIUS to buy commercials instead.<br>
Howard   asked Brent what's going on with Bubba's 4 best men. 8:40am The
Gossip Game With Mike Walker.<br>
Artie said that Jim is very involved with her funeral planning. Howard
said he can't believe that Jade is gone and High Pitch Eric lives. Artie
said that is so foreign to him, he can't imagine getting up that early
on a Sunday morning. 6:10am Howard's Baby? He said that was really gay
of the guy to pull something like that.<br>
7:40am Phone Calls, Tool's 'No Quarter' And Other Stuff. Howard said
that people were fooled and thought that he was actually in Los
Angeles.<br>
Fred was up first so he asked for some grilled chicken and
strawberries.<br>
Howard said that he's going to bring a bathing suit with him down there
because the weather has been in the 80s.<br>
Howard said Ralph wanted to have a business meeting with him but he
won't be doing that. Howard said that if he stopped with the soda he
could drop about 2000 calories a day and he'd start losing the weight he
has to lose.<br>
He said he'd love it if his wife could go with them though.<br>
He said he wanted her to keep her heels on but she wanted to take them
off.<br>
Artie said that he loves cake. 6:25am Sal's Latest Racist Comment.
8:40am The Gossip Game With Mike Walker.<br>
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Re: [q-lang-users] CVS head doesn't build under Cygwin

[Albert G. <Dr....@t-...>]

John Cowan wrote:
> So I'd say: add to the documentation that Q will not build with
> automake-1.10, and perhaps add a second copy of autogen.sh that has 1.9
> hardcoded into it.

Ok, I added it to the 7.7 TODO list.

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

Re: [q-lang-users] CVS head doesn't build under Cygwin

[John C. <co...@cc...>]

Albert Graef scripsit:

> I don't like the idea to hardcode the version numbers, given that other
> versions than automake 1.9 might well work on most systems. If it's a
> Cygwin-specific quirk, then I might just document it as such for the
> time being. If not then it needs to be fixed (and it will, as soon as I
> can reproduce these problems ;-).

I'm pretty sure it is not Cygwin-specific, but rather automake-1.10
specific, and depends on which version of automake you have installed.
If you upgrade regularly, you'll have this problem; if you don't,
you won't.

So I'd say: add to the documentation that Q will not build with
automake-1.10, and perhaps add a second copy of autogen.sh that has 1.9
hardcoded into it.

-- 
Only do what only you can do.               John Cowan <co...@cc...>
  --Edsger W. Dijkstra's advice
    to a student in search of a thesis

Re: [q-lang-users] CVS head doesn't build under Cygwin

[Albert G. <Dr....@t-...>]

John Cowan wrote:
> I still haven't gotten a chance to do this, but I did find out
> that changing autogen.sh to explicitly call "aclocal-1.9" and
> "automake-1.9" seems to work fine.  I don't know if this will
> work on other systems or not.

I don't like the idea to hardcode the version numbers, given that other
versions than automake 1.9 might well work on most systems. If it's a
Cygwin-specific quirk, then I might just document it as such for the
time being. If not then it needs to be fixed (and it will, as soon as I
can reproduce these problems ;-).

Albert

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

Re: [q-lang-users] CVS head doesn't build under Cygwin

[John C. <co...@cc...>]

Albert Graef scripsit:

> I'd really appreciate this if you could give this a try! I'd imagine
> that you might run into some major problems, given the complexity of the
> current build system, but if you know cmake well enough then it's
> certainly worth to give it a shot. In any case please let us know what
> you find. It would be great to break free from autoconf which *is* a
> real pita. Maybe it would even be possible to reunite the Mingw and Unix
> build systems...

I still haven't gotten a chance to do this, but I did find out
that changing autogen.sh to explicitly call "aclocal-1.9" and
"automake-1.9" seems to work fine.  I don't know if this will
work on other systems or not.

-- 
John Cowan        http://ccil.org/~cowan   co...@cc...
Lope de Vega: "It wonders me I can speak at all.  Some caitiff rogue did
rudely yerk me on the knob, wherefrom my wits still wander."
An Englishman: "Ay, a filchman to the nab betimes 'll leave a man
crank for a spell." --Harry Turtledove, Ruled Britannia

Re: [q-lang-users] CVS head doesn't build under Cygwin

[Albert G. <Dr....@t-...>]

John Cowan wrote:
> Chicken is in the process of cutting over to CMake <http://cmake.org>,
> which already handles all Windows builds (Cygwin can go either way)
> and is optional on Unix builds.  If I get some time I'll experiment
> with putting together a buildfile for Q.  I think you'll be pleasantly
> surprised at how efficient and easy to use it is.

Hi John,

I'd really appreciate this if you could give this a try! I'd imagine
that you might run into some major problems, given the complexity of the
current build system, but if you know cmake well enough then it's
certainly worth to give it a shot. In any case please let us know what
you find. It would be great to break free from autoconf which *is* a
real pita. Maybe it would even be possible to reunite the Mingw and Unix
build systems...

Best,
Albert

-- 
Dr. Albert Gr"af
Dept. of Music-Informatics, University of Mainz, Germany
Email:  Dr....@t-..., ag...@mu...
WWW:    http://www.musikinformatik.uni-mainz.de/ag

[q-lang-users] =?iso-2022-jp?b?GyRCIiIiIxsoQnEtbGFuZy11c2Vyc0Bs?= =?iso-2022-jp?b?aXN0cy5zb3VyY2Vmb3JnZS5uZXQbJEJNTSQiJEYbKEI=?=

[<go...@ma...>]

q-l...@li...様

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