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[avr-libc-dev] [bugs #9348] asin (acos) & atan problem (64K boundary)


From: Eric Weddington
Subject: [avr-libc-dev] [bugs #9348] asin (acos) & atan problem (64K boundary)
Date: Mon, 18 Oct 2004 13:37:00 -0400
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This mail is an automated notification from the bugs tracker
 of the project: AVR C Runtime Library.

/**************************************************************************/
[bugs #9348] Latest Modifications:

Changes by: 
                Eric Weddington <address@hidden>
'Date: 
                Mon 10/18/2004 at 17:29 (America/Denver)

------------------ Additional Follow-up Comments ----------------------------
The reason why this is happening is that acos() calls asin(), and asin() and 
atan() are both implemented using tables. The data tables are loaded with a 16 
bit pointer, hence only work in the lowest 64K address space.






/**************************************************************************/
[bugs #9348] Full Item Snapshot:

URL: <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=9348>
Project: AVR C Runtime Library
Submitted by: 0
On: Tue 06/15/2004 at 13:03

Category:  Library
Severity:  5 - Average
Item Group:  None
Resolution:  None
Privacy:  Public
Assigned to:  None
Originator Email:  address@hidden
Status:  Open


Summary:  asin (acos) & atan problem (64K boundary)

Original Submission:  When crossing 64K boundary asin, acos and atan give 
incorrect results.

Follow-up Comments
------------------


-------------------------------------------------------
Date: Mon 10/18/2004 at 17:29       By: Eric Weddington <arcanum>
The reason why this is happening is that acos() calls asin(), and asin() and 
atan() are both implemented using tables. The data tables are loaded with a 16 
bit pointer, hence only work in the lowest 64K address space.












For detailed info, follow this link:
<http://savannah.nongnu.org/bugs/?func=detailitem&item_id=9348>

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