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[Octave-bug-tracker] [bug #33864] Test fail in null.m (dev. MinGW)
From: |
Tatsuro MATSUOKA |
Subject: |
[Octave-bug-tracker] [bug #33864] Test fail in null.m (dev. MinGW) |
Date: |
Tue, 26 Jul 2011 04:36:40 +0000 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.122 Safari/534.30 |
URL:
<http://savannah.gnu.org/bugs/?33864>
Summary: Test fail in null.m (dev. MinGW)
Project: GNU Octave
Submitted by: tmacchant
Submitted on: 2011年07月26日 04時36分39秒
Category: Interpreter
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Incorrect Result
Status: None
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: Microsoft Windows
_______________________________________________________
Details:
Hello
I have encountered the fail in null.m test,
***** test
A = [1 1; 0 0];
assert(null(A), [-1/sqrt(2) 1/sqrt(2)]')
!!!!! test failed
assert (null (A),[-1 / sqrt(2), 1 / sqrt(2)]') expected
-0.70711
0.70711
but got
-0.70711
0.70711
values do not match
However,
octave:13> null(A)- [-1/sqrt(2) 1/sqrt(2)]
ans =
-1.11022302462516e-016
1.11022302462516e-016
so that test might be
assert(null(A), [-1/sqrt(2) 1/sqrt(2)]',1e-15);
Regards
Tatsuro
_______________________________________________________
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<http://savannah.gnu.org/bugs/?33864>
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- [Octave-bug-tracker] [bug #33864] Test fail in null.m (dev. MinGW),
Tatsuro MATSUOKA <=