[Bug 725367] Re: primes returns composites

2011-09-06 Thread Santtu Lakkala
Erm, the previous was obviously solution c), not b) =)

Anyway, here's d), it uses the sieve recursively to init itself. This
should allow full 64-bit range to be traversed (and potentially larger,
if there is a native integer type).

** Patch added: "725367d.diff"
   
https://bugs.launchpad.net/ubuntu/+source/bsdgames/+bug/725367/+attachment/2365772/+files/725367d.diff

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Title:
  primes returns composites

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[Bug 725367] Re: primes returns composites

2011-09-06 Thread Santtu Lakkala
The attachment implements option b) add some to primes table (max 2^17)
and limit range to achieve approx. 2^34 bit result range.

** Patch added: "Solution b"
   
https://bugs.launchpad.net/ubuntu/+source/bsdgames/+bug/725367/+attachment/2360524/+files/725367b.diff

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  primes returns composites

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[Bug 725367] Re: primes returns composites

2011-09-06 Thread Santtu Lakkala
Indeed, the primes program uses Eratosthenes sieve using pre-calculated
array of primes up to 65537, leading to possible errors (and, in this
case real errors, as 65539 is also a prime) when range hits
(65537+2)^2.

There are a few possible fixes, that I can think of:
 a) don't support 64-bit numbers, set upper limit to UINT32_MAX
 b) support 64-bit numbers, but set upper limit to (MAX(primes) + 2)**2 - 1
 c) add some number of pre-calculated primes to array, and repeat b (supporting 
the whole 64-bit range would take 203280221 primes (which could be stored in a 
4-byte uints, leading to ~800 megabytes of memory)
 d) recursively use the sieve to prime itself to reach unlimited range (this 
adds computation time and algorithm complexity)

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[Bug 705112] Re: the menubar with appmenu-gtk is 1px tall

2011-03-15 Thread Santtu Lakkala
This patch fixes a couple of coding style issues and simplifies
gtk_menubar_show and _hide.

** Patch added: "Re-re-try of the fixed patch using map/unmap"
   
https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/705112/+attachment/1910444/+files/043_ubuntu_menu_proxy.patch

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Title:
  the menubar with appmenu-gtk is 1px tall

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[Bug 705112] Re: the menubar with appmenu-gtk is 1px tall

2011-03-15 Thread Santtu Lakkala
As discussed with Cimi on irc, this one now uses unmap/map to avoid
setting the GTK_VISIBLE flag, so that the notifications come through
correctly.

** Patch added: "Re-try of the fixed patch using map/unmap"
   
https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/705112/+attachment/1909982/+files/043_ubuntu_menu_proxy.patch

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  the menubar with appmenu-gtk is 1px tall

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[Bug 717358] Re: nautilus puts a menu bar at the top of the desktop

2011-02-16 Thread Santtu Lakkala
This rather obtrusive patch seems to fix the issue, not sure if it
breaks something though; some applications may expect that ::show is not
called multiple times without ::hide in between (or vice versa). This is
the best/simplest solution I can think of right now.

Uploaded a package with this patch to my ppa if someone likes to test.

** Patch added: "043_ubuntu_menu_proxy.patch"
   
https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/717358/+attachment/1854469/+files/043_ubuntu_menu_proxy.patch

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  nautilus puts a menu bar at the top of the desktop

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[Bug 717358] Re: nautilus puts a menu bar at the top of the desktop

2011-02-16 Thread Santtu Lakkala
The updated patch doesn't fix cases which do _show() ... _hide() (where
hide is called before local_notify). I wrote some findings in bug
705112, but in short the problem is that gtk_widget_hide() only calls
GtkWidget::hide if the widget was visible.

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  nautilus puts a menu bar at the top of the desktop

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[Bug 705112] Re: the menubar with appmenu-gtk is 1px tall

2011-02-16 Thread Santtu Lakkala
Found the problem to be that GtkWidgetClass::hide is only called if the widget 
was visible, thus if the call order is:
1. show()
2. hide()
3. local_notify(local = 1)

the menubar remains shown, but if the call order is:
1. show()
2. local_notify(local = 1)
3. hide()

things work correctly.

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  the menubar with appmenu-gtk is 1px tall

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[Bug 705112] Re: the menubar with appmenu-gtk is 1px tall

2011-02-16 Thread Santtu Lakkala
The updated patch helps with the issue, but some kind of race still
prevails. The updated test program sometimes shows and sometimes hides
the bar. Upping the priority to G_PRIORITY_HIGH_IDLE shows the menubar
(nearly) every time.

** Attachment added: "lp705112-regression.c"
   
https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/705112/+attachment/1853534/+files/lp705112-regression.c

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[Bug 705112] Re: the menubar with appmenu-gtk is 1px tall

2011-02-15 Thread Santtu Lakkala
The patch breaks applications that don't want to show a menubar on
startup (I noticed it with gnome-terminal). Attached file shows broken
behavior: even though menubar is explicitly hidden, it still shows up
when run.

** Attachment added: "Sample application showing regression with the patch"
   
https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/705112/+attachment/1851524/+files/lp705112-regression.c

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[Bug 644606] [NEW] Qt mobility MultimediaKit does not work with maverick version of Qt

2010-09-21 Thread Santtu Lakkala
Public bug reported:

Qt Mobility MultimediaKit uses own version of QObjectPrivate (don't know
why), and due to patch 0209-prevent-qt-mixing.diff in qt packages does
not work.

Every time a program using the multimediakit is run, it exits with error
"Cannot mix incompatible Qt library (version 0x40700) with this library
(version 0x1040700)". (Try, for example, the camera example from
qtmobility-examples.

If built with the same + 0x100 as in the patch, the library works
just fine.

** Affects: qtmobility (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 379328] Re: Browser crashes when opening page with large gif animation

2009-05-22 Thread Santtu Lakkala
It works just fine if I open the image directly, not the page it's on.
Also it does not crash on other platforms.

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[Bug 379328] [NEW] Browser crashes when opening page with large gif animation

2009-05-22 Thread Santtu Lakkala
Public bug reported:

When I open http://aasi.ebm.fi/4185/Cat_invisible_pet_door.gif in
firefox, firefox promptly dies (closes all windows). When starting the
browser the next time, there are curious open-close-open-window events.

The bug seems to be reproducible with other browsers too (midori, opera,
chormium-browser), but I didn't know better place to report.

Using: Ubuntu 9.04
firefox 3.0.10+nibinonly-0ubuntu0.9.04.1

** Affects: firefox (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 129240] Re: Vte doesn't underline spaces

2007-07-30 Thread Santtu Lakkala

** Attachment added: "A simple patch that fixes the issue"
   http://launchpadlibrarian.net/8606364/70_fix-underscore.patch

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[Bug 129240] Vte doesn't underline spaces

2007-07-30 Thread Santtu Lakkala
Public bug reported:

Any vte-based (since vte 0.14, I think) terminal doesn't show
underlining on whitespace. This totally breaks my irssi "theme".

Steps to reproduce:
1. launch terminal 
2. run echo -e '\e[4mfoo foo\e[0m'

Actual results:
Two underlined foos are echoed

Expected results:
Two foos with one underline should be echoed

Other: I've reported this also as gnome bug #434230, but there's been no
activity in 3 months. Noticed this again when doing an apt-get upgrade
and my hand-crafted package got replaced by new version.

** Affects: vte (Ubuntu)
 Importance: Undecided
 Status: New

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