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[src/trunk]: src/lib/libm/man Restore CAVEATS section unmodified.



details:   https://anonhg.NetBSD.org/src/rev/f05ba9dfb932
branches:  trunk
changeset: 356470:f05ba9dfb932
user:      maya <maya%NetBSD.org@localhost>
date:      Thu Sep 28 15:03:18 2017 +0000

description:
Restore CAVEATS section unmodified.

It apparently refers to VAX and its lack of a negative zero.

diffstat:

 lib/libm/man/copysign.3 |  6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r 49c62d8a848f -r f05ba9dfb932 lib/libm/man/copysign.3
--- a/lib/libm/man/copysign.3   Thu Sep 28 13:08:00 2017 +0000
+++ b/lib/libm/man/copysign.3   Thu Sep 28 15:03:18 2017 +0000
@@ -1,4 +1,4 @@
-.\" $NetBSD: copysign.3,v 1.3 2017/09/28 11:09:05 maya Exp $
+.\" $NetBSD: copysign.3,v 1.4 2017/09/28 15:03:18 maya Exp $
 .\"
 .\" Copyright (c) 2011 Jukka Ruohonen <jruohonen%iki.fi@localhost>
 .\" All rights reserved.
@@ -87,3 +87,7 @@
 .\"
 .\" These functions first appeared in ???.
 .\"
+.Sh CAVEATS
+Note that on implementations that represent a signed zero
+but do not treat negative zero consistently in arithmetic operations,
+these functions may regard the sign of zero as positive.



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