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  1. 15 Sep, 2008 2 commits
    • Sam Lantinga's avatar
      indent · a9ba7ee0
      Sam Lantinga authored 
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    • Sam Lantinga's avatar
      http://sources.redhat.com/ml/newlib/2002/msg00230.html · 5f94466c
      Sam Lantinga authored 
      Stephen L Moshier wrote:
>
> pow(x,y) returns 0 when x is very close to -1.0 and y is very large.
> The following test program prints
>
> pow(1.0000000000000002e+00 4.5035996273704970e+15) = 2.7182818284590455e+00
> pow(-1.0000000000000002e+00 4.5035996273704970e+15) =0.0000000000000000e+00
> pow(9.9999999999999978e-01 4.5035996273704970e+15) = 3.6787944117144222e-01
> pow(-9.9999999999999978e-01 4.5035996273704970e+15) = 0.0000000000000000e+00
>
> which is incorrect for the negative arguments raised to an odd integer
> power.
>
> -----
> double pow (double, double);
>
> int
> main ()
> {
>   double x, y, z;
>
>   x = 1.0 + pow (2.0, -52.0);
>   y = 1.0 + pow (2.0, 52.0);
>   z = pow (x, y);
>   printf ("pow(%.16e %.16e) = %.16e\n", x, y, z);
>   x = -x;
>   z = pow (x, y);
>   printf ("pow(%.16e %.16e) = %.16e\n", x, y, z);
>   x = 1.0 - pow (2.0, -52.0);
>   z = pow (x, y);
>   printf ("pow(%.16e %.16e) = %.16e\n", x, y, z);
>   x = -x;
>   z = pow (x, y);
>   printf ("pow(%.16e %.16e) = %.16e\n", x, y, z);
> }
> -----
>
> Here is a patch for newlib/libm/math/epow.c:

Patch checked in and duplicated for ef_pow.c.  Thanks.

-- Jeff J.

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  3. 08 Sep, 2008 1 commit
  5. 06 Sep, 2008 2 commits
  7. 04 Sep, 2008 1 commit
  9. 02 Sep, 2008 9 commits
  11. 01 Sep, 2008 1 commit
  13. 31 Aug, 2008 2 commits
    • Sam Lantinga's avatar
      Date: Sun, 31 Aug 2008 17:53:59 +0200 · 771abd36
      Sam Lantinga authored 
      From: Couriersud
Subject: Re: Updated DirectFB driver for SDL1.3

attached is a patch which brings the directfb driver in line with
current svn. In addition:

* driver now is in line with the structure of the X11 driver.
  This adds a couple of files.
* driver now supports relative mouse movements

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    • Sam Lantinga's avatar
      indent · 9be698fb
      Sam Lantinga authored 
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  15. 27 Aug, 2008 2 commits
  17. 26 Aug, 2008 14 commits
    • Edgar Simo's avatar
      Fix for mingw compilation by Alam. · 9b7084eb
      Edgar Simo authored 
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    • Edgar Simo's avatar
      Changed spaces to tabs. · 7c530667
      Edgar Simo authored 
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    • Edgar Simo's avatar
      svn:ignore files generated by xcode. · bd6d9f3b
      Edgar Simo authored 
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    • Edgar Simo's avatar
      Update to xcode to include haptic subsystem stuff by Alam. · ff035aa8
      Edgar Simo authored 
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    • Edgar Simo's avatar
      Missing an include. · 5001b4e3
      Edgar Simo authored 
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    • Sam Lantinga's avatar
      Fixed Visual Studio compilation problems · 5e73fc7c
      Sam Lantinga authored 
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    • Sam Lantinga's avatar
      Fixed crash when tablet isn't detected properly · a4af7a72
      Sam Lantinga authored 
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    • Sam Lantinga's avatar
      Dynamically load wintab32.dll · a13b4b87
      Sam Lantinga authored 
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    • Sam Lantinga's avatar
      indent · d9f99f52
      Sam Lantinga authored 
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    • Sam Lantinga's avatar
      Added Wacom API headers. · 3c232989
      Sam Lantinga authored 
      FIXME: Dynamically load the Wacom API functions from wintab32.dll

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    • Sam Lantinga's avatar
      Couriersud fixed bug #603 · 4dd047e9
      Sam Lantinga authored 
      Using the following sequence

SDL_Init(..:)
SDL_CreateWindow(..., SDL_WINDOW_OPENGL)
SDL_DestroyWindow
SDL_CreateWindow(..., SDL_WINDOW_OPENGL)

SDL will crash in X11_GL_GetVisual. This is due to the fact that
during SDL_DestroyWindow X11_GL_Shutdown was called because the last window
has been closed.

On the next call to SDL_CreateWindow the library is still loaded and only the
memory is reinitialized. Function pointers such as gl_data->glXChooseVisual
will not be reinitialized.

Consequently, SDL will crash due to a NULL pointer access.

The attached patch corrects the behaviour.

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    • Sam Lantinga's avatar
      indent. *sigh* · 4dd96455
      Sam Lantinga authored 
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    • Sam Lantinga's avatar
      Date: Sun, 20 Jul 2008 22:34:37 +0200 · 1127f319
      Sam Lantinga authored 
      From: Couriersud
Subject: Updated DirectFB driver for SDL1.3

please find attached a patch for an updated directfb driver for SDL1.3.
It does now
- properly supported the new input api.
- send unicode text events
- support directfb windows
- support multiple screens
- support hardware YUV scaling for the first YUV texture created.
- support hardware scaling for textures.
- properly interpret streaming access
- support software opengl if one manages to install the mesa directfb
driver (broken/not broken in mesa svn)

Within bugzilla (http://bugzilla.libsdl.org/show_bug.cgi?id=603) there
is another patch which fixes a crash due to GL context creation.

Kind regards,

couriersud

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    • Sam Lantinga's avatar
      Fixed compile errors for audio resampling. I'm not sure how this got missed... · a1b6c39a
      Sam Lantinga authored 
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  19. 25 Aug, 2008 6 commits