[This message was posted by Rolf Andersson of Pantor Engineering 
<[email protected]> to the "FAST Protocol" discussion forum at 
http://fixprotocol.org/discuss/46. You can reply to it on-line at 
http://fixprotocol.org/discuss/read/6392b8f9 - PLEASE DO NOT REPLY BY MAIL.]

Hi,

I'm not sure I understand what you are asking for.

The presence map (pmap) is a bitmap.
You will find a description of the pmap details in:

http://www.fixprotocol.org/documents/3066/FAST%20Specification%201%20x%201.pdf

FAST doesn't include a bitmap _field_ type.
There is however a "set" field type define in FAST 1.2:

http://www.fixprotocol.org/documents/4372/FAST%201%202%20Extension%20v10.pdf

These two specs together define the current FAST protocol. We are currently 
working on a few minor extensions but none of these are related to bitmaps.

Please ask again if this doesn't answer your question.

Best,
Rolf

> Hi, 
> I was looking for documentation for decoding bitmap field. where can i find 
> the details for bitmap field.
> 


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