[Xfce-bugs] [Bug 15607] New: Fixes and new binary clock mode
bugzilla-daemon at xfce.org
bugzilla-daemon at xfce.org
Fri Jun 14 02:21:31 CEST 2019
https://bugzilla.xfce.org/show_bug.cgi?id=15607
Bug ID: 15607
Summary: Fixes and new binary clock mode
Classification: Xfce Core
Product: Xfce4-panel
Version: Unspecified
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: Medium
Component: Clock
Assignee: xfce-bugs at xfce.org
Reporter: felipe.contreras at gmail.com
Target Milestone: Panel 4.14
A true binary clock shouldn't based on hours (mod 12), but on bits (mod
2).
Take for example the following clock:
1010010000100000
In order to make sense of it we would have to find out if it's
binary-coded decimal (BCD), or sexagesimal. And then if it's packed or
not, and where the divisions are.
But we could say this number is a binary... A true binary.
To see if this is the highest part (past 12) or the lowest part (before
12), we just look at the most significant digit '1'. So it's past noon.
Then of those later 12 hours are we in earlier or later? We look at the
second digit '0', so it's between 12-18; We still have a quarter of the
day left. We continue like that until the last digit, which is similar
to a second, but not quite.
This is a 16-bit binary clock; that is: a clock whose value is a real
binary, on which you can do binary operations. By dividing the day into
2 ^ 16 equal parts it's easy to represent the most and least significant
parts of a day.
000: day started
100: past noon
010: early morning (6am)
110: afternoon (6pm)
001: 3am
011: 9am
101: 3pm
111: 9pm
We can't call this the true true binary clock, but it pretty much is.
In order to represent minutes (not seconds) we need the first 10 most
significant bits.
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