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Chipmunk Physics • View topic - double safe?

double safe?

Official forum for the .

double safe?

Postby debug » Sun Nov 23, 2008 11:44 pm

I see lots of use of

fabsf
fmodf

instead of

fabs
fmod

this will cast the cpFloat to a float before doing the math and return a float which is then cast back into a double if cpFloat is type def as double which it was in 4.1.0 release
debug
 
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Re: double safe?

Postby slembcke » Mon Nov 24, 2008 1:29 am

It's a known issue. Haven't quite decided what to do about it yet.
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Re: double safe?

Postby debug » Mon Nov 24, 2008 11:44 am

Since those functions are just wrappers and it ends up as a double anyway just before it goes to the cpu it is probably worth just using the non "f" versions in release mode it will become intrinsic or heavily inlined anyway so you won't loose anything and the non "f" versions work fine with floats.
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Re: double safe?

Postby Christopher1 » Tue Feb 17, 2009 2:28 am

F versions normally wok with floats than non f versions,,,,
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