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[Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*
From: |
Juan Pablo Carbajal |
Subject: |
[Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:* |
Date: |
Thu, 29 Jun 2017 03:57:31 -0400 (EDT) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36 |
URL:
<http://savannah.gnu.org/bugs/?51340>
Summary: datevec jump hour on 29/03/2009 02:*
Project: GNU Octave
Submitted by: juanpi
Submitted on: Thu 29 Jun 2017 07:57:29 AM UTC
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Incorrect Result
Status: None
Assigned to: None
Originator Name: juanpi
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: GNU/Linux
_______________________________________________________
Details:
Hi,
datevec adds one hour to dates on 29/03/2009 02:*
I chased this bug down to datevec (actually I think the bug is in
octave::sys::strptime)
vec = repmat ([2009 3 29 2 0 0],6,1);
vec(:,5:6) = randi(59,6,2); # random minutes and seconds
fmt = 'dd/mm/yyyy HH:MM:SS';
vstr = datestr (vec, fmt);
vec_ = datevec (vstr, fmt);
assert (vec_, vec_);
I checked that the bug is not in my system's strptime. The following program
outputs the right values
#define _XOPEN_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
int
main(void)
{
struct tm tm;
char buf[255];
memset(&tm, 0, sizeof(struct tm));
//strptime("2009-03-29 14:00:00", "%Y-%m-%d %H:%M:%S", &tm);
//strptime("2009-03-29 02:00:00", "%Y-%m-%d %H:%M:%S", &tm);
strptime("29/03/2009 02:00:00", "%d/%m/%Y %H:%M:%S", &tm);
strftime(buf, sizeof(buf), "%d %b %Y %H:%M", &tm);
puts(buf);
exit(EXIT_SUCCESS);
}
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?51340>
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- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*,
Juan Pablo Carbajal <=
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Juan Pablo Carbajal, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Dmitri A. Sergatskov, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Juan Pablo Carbajal, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Nicholas Jankowski, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Dmitri A. Sergatskov, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Philip Nienhuis, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Juan Pablo Carbajal, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Mike Miller, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Mike Miller, 2017/06/29
- [Octave-bug-tracker] [bug #51340] datevec jump hour on 29/03/2009 02:*, Mike Miller, 2017/06/29