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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@hnl_dk

Heh? What language is this that you guys are using-:)

Know what, it's great, here and on AW folk are now getting to the important stuff, discussing programming fixes, possibilities and techniques. Really is refreshing even if I haven't got a clue what they are on about!! -:)


Bring back the arguements!!!! (joking of course)


ace

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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@Raziel

What about forcing useATAN = 0
Can u test it?

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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@acefnq

Quote:

Heh? What language is this that you guys are using-:)
ace


math.h calls C language

Jack

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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@joerg

Quote:

joerg wrote:
@hnl_dk
...
I've fixed it in newlib.library 52.7, but atan2(0,0) still returns NaN, just like in libnix, which is correct IMHO and the 0 from glibc and clib2 are wrong!?


http://www.opengroup.org/onlinepubs/009695399/functions/atan2.html

Quote:
If both arguments are 0, a domain error shall not occur.

Best regards,
hnl_dk - Henning Nielsen Lund [Denmark]
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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@Jack

Quote:

What about forcing useATAN = 0
Can u test it?

It will most probably work, as you can see in my first post,
the "workaround" was to completely remove the atan2()
function and it works. But this is nothing the ScummVM devs
will use in their code, casue it will break other builds
most surely.

People are dying.
Entire ecosystems are collapsing.
We are in the beginning of a mass extinction.
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How dare you!
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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@hnl_dk

Quote:

hnl_dk wrote:
@joerg

Quote:

joerg wrote:
@hnl_dk
...
I've fixed it in newlib.library 52.7, but atan2(0,0) still returns NaN, just like in libnix, which is correct IMHO and the 0 from glibc and clib2 are wrong!?


http://www.opengroup.org/onlinepubs/009695399/functions/atan2.html

Quote:
If both arguments are 0, a domain error shall not occur.


And in combination with the words of OpenGroup...
an explanation why clib2, glib2 and libm from BSD (and the documentation from OpenGroup) do want you to return 0
http://leaf.dragonflybsd.org/cgi/web-man?command=atan2§ion=3
Check the notes.

Best regards,
hnl_dk - Henning Nielsen Lund [Denmark]
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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@Raziel

Quote:

It will most probably work, as you can see in my first post,
the "workaround" was to completely remove the atan2()
function and it works. But this is nothing the ScummVM devs
will use in their code, casue it will break other builds
most surely.


It won't break the build unless they remove the flag. You can patch the function internally anyway then.

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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@Jack

True, better to have the fix for atan2, though

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We are in the beginning of a mass extinction.
And all you can talk about is money and fairytales of eternal economic growth.
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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@Raziel

Quote:

Raziel wrote:
@Jack

True, better to have the fix for atan2, though


use the atan2fix link library to fix the problem

Best regards,
hnl_dk - Henning Nielsen Lund [Denmark]
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Re: SDK-Gurus: ScummVM_OS4 needs your help
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@hnl_dk

Kudos to everyone who's involved!!!

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