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[Pnet-developers] [bugs #11437] Matrix: Invert, wrong computation
From: |
Marco Bosatta |
Subject: |
[Pnet-developers] [bugs #11437] Matrix: Invert, wrong computation |
Date: |
Wed, 29 Dec 2004 13:53:19 +0000 (UTC) |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040114 |
This mail is an automated notification from the bugs tracker
of the project: DotGNU Portable.NET.
/**************************************************************************/
[bugs #11437] Full Item Snapshot:
URL: <http://savannah.gnu.org/bugs/?func=detailitem&item_id=11437>
Project: DotGNU Portable.NET
Submitted by: Marco Bosatta
On: Wed 12/29/2004 at 13:53
Category: None
Severity: 5 - Average
Item Group: None
Resolution: None
Privacy: Public
Assigned to: None
Status: Open
Summary: Matrix: Invert, wrong computation
Original Submission: computation of the inverse in class Matrix.cs
(System.Drawing/Drawing2D) is wrong, in
method: public void Invert()
The coefficients dx, dy should be computed to:
dx = (m21*dy-m22*dx) / determinant ;
dy = (m12*dx-m11*dy) / determinant ;
For detailed info, follow this link:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=11437>
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