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[Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly ou
From: |
Mike Miller |
Subject: |
[Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result |
Date: |
Sun, 27 Jan 2019 16:01:09 -0500 (EST) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36 |
URL:
<https://savannah.gnu.org/bugs/?55587>
Summary: splinefit.m BIST may fail, slightly out of tolerance
result
Project: GNU Octave
Submitted by: mtmiller
Submitted on: Sun 27 Jan 2019 01:01:08 PM PST
Category: Test Suite
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Inaccurate Result
Status: None
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 5.0.90
Operating System: GNU/Linux
_______________________________________________________
Details:
I've seen the splinefit.m test fail depending on the random values used in the
test:
***** test
y = interp1 (xb, yb, x, "spline");
assert (ppval (splinefit (x, y, xb, "order", 3), x), y, 15 * eps ());
!!!!! test failed
ASSERT errors for: assert (ppval (splinefit (x, y, xb, "order", 3), x),y,15 *
eps ())
Location | Observed | Expected | Reason
(101) 0.84332 0.84332 Abs err 3.4417e-15 exceeds tol
3.3307e-15 by 1e-16
shared variables scalar structure containing the fields:
xb =
0 2 4 6 8 10
yb =
0.76195 -0.60415 -0.95580 0.91181 -0.94831 0.84332
x =
...
I guess that slightly increasing the tolerance from 15*eps to 20*eps would
help.
_______________________________________________________
Reply to this item at:
<https://savannah.gnu.org/bugs/?55587>
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- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result,
Mike Miller <=
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Rik, 2019/01/28
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Mike Miller, 2019/01/28
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Rik, 2019/01/28
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Rik, 2019/01/28
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Mike Miller, 2019/01/28
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Dmitri A. Sergatskov, 2019/01/28
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Mike Miller, 2019/01/28
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Rik, 2019/01/30
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Mike Miller, 2019/01/30
- [Octave-bug-tracker] [bug #55587] splinefit.m BIST may fail, slightly out of tolerance result, Rik, 2019/01/30