float separationn

[Wolfgang Draxinger]

Bjorn Pettersen wrote:
>>From: Wolfgang Draxinger [mailto:wdraxinger at darkstargames.de] 
>>
>>This is not really C/C++ related, but I think this is also a 
>>place to ask: I'm currently working on a compressed 3D Object 
>>interchange format. With C/C++ its no problem to raw-write 
>>the IEEE standard floats the data 
>>consists of into files. Now I'm writing some export scripts 
>>for blender 
>>in python. My problem is, that the python float object 
>>doesn't provide a 
>>raw-data access. What I need now, is some possibility to 
>>construct the 
>>IEEE float format from data returned by the standard math 
>>functions. I think frexp() is a good start, however this 
>>still returns a float 
>>value. I'd like to have the raw bits...
>>
>>Some ideas?
> 
> 
> The struct module should be able to do this (untested):
> 
>   import struct
>   val = struct.pack('d', 3.14159)
> 
> val is then a Python string containing the correct bit pattern..
> 
> -- bjorn
> 
> 

Thanks, that works well for me.