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Path: utzoo!linus!philabs!cmcl2!seismo!mcvax!aeb
From: aeb@mcvax.UUCP (Andries Brouwer)
Newsgroups: net.sources.bugs
Subject: Re: phase of the moon
Message-ID: <673@mcvax.UUCP>
Date: Thu, 23-May-85 09:13:39 EDT
Article-I.D.: mcvax.673
Posted: Thu May 23 09:13:39 1985
Date-Received: Fri, 24-May-85 22:27:06 EDT
References: <12100002@mirror.UUCP>
Reply-To: aeb@mcvax.UUCP (Andries Brouwer)
Organization: CWI, Amsterdam
Lines: 21

In article <12100002@mirror.UUCP> rs@mirror.UUCP writes:
>
>The recent posting by Robert Bond with the sunrise/sunset
>programs led me to dig out this old chestnut that had been
>floating around MIT for a while.  It /seems/ correct to
>me, but I ain't no "loup-garou" :-)

My werewolf instinct tells me that after
	long Length, Delta, Phase;
	double Fraction;

	Length = ...;
	Delta = ...;
	Phase = Delta % Length;
	Fraction = Phase / Length;
one will have
	Fraction == 0.0
which surely was not what the author intended.

It also wonders what happened with leap years in the line
	offset	= ((year * 365L + julianday) * 24L + hour) * 60L + minute;