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Re: Leap years

Robert Adams (adms@math.ubc.ca)
Sun, 17 Jan 1999 08:12:03 -0800 (PST)

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The period of the earth's orbit around the sun is approximately 365.2425
days. Observe that

  0.2425 = (1/4) - (1/100) + (1/400)

Therefore ....

On Sun, 17 Jan 1999, Kevin Chu wrote:

> There is a blurb about leap years in K&R II p41.
>
> "A year is a leap year if it is divisible by 4 but not by 100, except
> that years divisible by 400 are leap years. Therefore
>
> if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
> printf("%d is a leap year\n", year);
> else
> printf("%d is not a leap year\n", year);
>
> [ end quote ]
>
> Typos mine.
>
> Kevin
>
> --
> Kevin Chu kevin@portal.ca
> http://members.tripod.com/~super_kevin/
>

Cheers,
Bob Adams

---
Robert A. Adams, Professor            (604)-822-3783  (office)
Department of Mathematics             (604)-822-6074  (Department FAX) 
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• Next message: Vincent Janelle: "Re: Power down Win95 from Linux ?"
• Previous message: Kevin Chu: "Leap years"
• In reply to: Andrew Daviel: "Re: Y2K and Linux and RTCs etc."