[PD-dev] d_math.c "break[s] strict-aliasing rules"

[Thomas Grill]

>> code like sqare root or inverse square root can be coded by just
>> utilizing the rsqrtps and sqrtps opcodes, with a 14 bit precision,  
>> when
>> working on the sse unit ...
>>     
>
> 14bit precision would leave a lot to be desired in Pd. Are there high  
> precision operators?
>   
 From what i recall, the opcodes are meant to be used iteratively (like 
in root-finding), then yielding full precision.


> Is complying with -fstrict-aliasing enough to take care of the  
> aliasing issues?
> Do you have any examples of handling alignment issues?
>   
I posted an example of autovectorizing code taking that into account a 
while ago
http://lists.puredata.info/pipermail/pd-dev/2006-11/007880.html

greetings,
Thomas

-- 
Thomas Grill
http://grrrr.org