awk accepts but blows unary negation

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Article #502

#502

From: Geoff Kuenning
Date: Sun, 16 Mar 1986 00:25

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Talk about confusing me!  Try this one on your system:

	echo 15 | awk '{t1=-15;t2=15;t3=-t2;t4=-$1;print t1,t3,t4}'

On my system (Unisoft V.0) it produces:

	-2.71875 -2.71875 -2.71875

The expression "t1=0-15" works correctly.
-- 

	Geoff Kuenning
	{hplabs,ihnp4}!trwrb!desint!geoff

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!think!harvard!seismo!lll-crg!lll-lcc!qantel!hplabs!sdcrdcf!trwrb!desint!geoff
From: geoff@desint.UUCP (Geoff Kuenning)
Newsgroups: net.bugs
Subject: awk accepts but blows unary negation
Message-ID: <179@desint.UUCP>
Date: Sat, 15-Mar-86 19:25:15 EST
Article-I.D.: desint.179
Posted: Sat Mar 15 19:25:15 1986
Date-Received: Tue, 18-Mar-86 07:23:35 EST
Reply-To: geoff@desint.UUCP (Geoff Kuenning)
Organization: SAH Consulting, Manhattan Beach, CA
Lines: 13