add r0,r0,lsr #1,#1fc00000
would do the trick on an arm.. but not sure, can we use 2 numbers at the same time? .. anyways. would be fun..
x86, x87 is just crap..
"take a look around" - limp bizkit
www.google.com
Really, really fast sqrt (not Carmacks)!?!?!?
hm.. looks like
add r0,r0,lsr #1,#1fc00000
would do the trick on an arm.. but not sure, can we use 2 numbers at the same time? .. anyways. would be fun..
x86, x87 is just crap..
"take a look around" - limp bizkit
www.google.com
add r0,r0,lsr #1,#1fc00000
would do the trick on an arm.. but not sure, can we use 2 numbers at the same time? .. anyways. would be fun..
x86, x87 is just crap..
"take a look around" - limp bizkit
www.google.com
MathFP [http://home.rochester.rr.com/ohommes/MathFP/] is used a lot for fixed point math in J2ME. I don''t know if it''s fast enough for ray tracing but I use it for a Nokia java game I''m working on and I''ve never had any problems.
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