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Re: Leap year algorithm needed

Subject: Re: Leap year algorithm needed
From: stever@gate.net (Steve Reeves)
Date: 1999/04/17
Newsgroups: comp.sys.apple2
Organization: CyberGate, Inc.
References: <371379fe.28608620@news.compuserve.com> <19990412222623.06952.00001982@ng149.aol.com> <37137073.81146F30@ix.netcom.com>
User-agent: slrn/0.9.5.3 (UNIX)

In article <37137073.81146F30@ix.netcom.com>, Nick wrote:
>if(!(year % 400) || (!(year % 4) && (year %100))) thisyear=leapyear;

Its a little more efficient to do the division by 4 first:

if (!(year % 4) && ((year % 100) || !(year % 400))) is_leap_year = TRUE;

-- 
Steve Reeves
stever@gate.net

Follow-Ups:
- Re: Leap year algorithm needed
  - From: Nick <spam@ix.netcom.com>
- Re: Leap year algorithm needed
  - From: david@uow.edu.au (David Wilson)

References:
- Leap year algorithm needed
  - From: hydros_by_hall@csi.com (Richard A. Hall)
- Re: Leap year algorithm needed
  - From: a2mg@aol.comNomail (A2MG)
- Re: Leap year algorithm needed
  - From: Nick <spam@ix.netcom.com>

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