[avr-libc-dev] [bugs #11511] NaN not generated correctly by division library

[Colin O Flynn]

This mail is an automated notification from the bugs tracker
 of the project: AVR C Runtime Library.




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[bugs #11511] Full Item Snapshot:

URL: <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=11511>
Project: AVR C Runtime Library
Submitted by: Colin O  Flynn
On: Fri 01/07/2005 at 00:02

Category:  Library
Severity:  5 - Average
Priority:  5 - Normal
Item Group:  None
Resolution:  None
Privacy:  Public
Percent Complete:  0%
Assigned to:  None
Originator Email:  address@hidden
Status:  Open


Summary:  NaN not generated correctly by division library

Original Submission:  It seems NaN is not generated correctly when you divide 
by 0 as it should be. The code is present in the division routine. As well if 
you set a floating point variable to nan when using a printf() on this number 
it prints as "nan".

A check of the division routine shows the test for zero occuring as not true 
when the number is clearly zero, using avarice.











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