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[Bug manual/14450] timeval_subtract example is erroneous
- From: "siddhesh at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Tue, 11 Dec 2012 03:11:17 +0000
- Subject: [Bug manual/14450] timeval_subtract example is erroneous
- Auto-submitted: auto-generated
- References: <bug-14450-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14450
Siddhesh Poyarekar <siddhesh at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |siddhesh at redhat dot com
Resolution| |INVALID
--- Comment #2 from Siddhesh Poyarekar <siddhesh at redhat dot com> 2012-12-11 03:11:17 UTC ---
Not really. timeval is not simply tv_sec.tv_usec. It is tv_sec + tv_usec /
1000000. They have different semantics when tv_sec is negative. So you read:
{-10, 999999}
as
-10 + 999999/1000000 = -9.000001
and not
-10.999999
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