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Re: Answer: Leap Year

by idsfa (Vicar)
on May 17, 2004 at 19:44 UTC ( #354078=note: print w/replies, xml ) Need Help??

in reply to Answer: Leap Year
in thread dates and times

And the source code for Date::Leapyear reads:

sub isleap { my ($year) = @_; return 1 if (( $year % 400 ) == 0 ); # 400's are leap return 0 if (( $year % 100 ) == 0 ); # Other centuries are not return 1 if (( $year % 4 ) == 0 ); # All other 4's are leap return 0; # Everything else is not }

which is already a provided answer. The same semi-correct formula is also used in Astro::Time and DateTime. Unless someone goes to the touble of encoding the entire FAQ, stick with the original answer. I like CPAN as much as the next Monk, but some modules are wasteful.

Updated: I do note that the DateTime::Calendar::* modules at least make some attempt at dealing with cultural and temporal variances ...

If anyone needs me I'll be in the Angry Dome.

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Re^2: Answer: Leap Year
by Tommy (Chaplain) on Jan 24, 2005 at 15:32 UTC
    Yup. This was probably a pretty wasteful module.
    Tommy Butler, a.k.a. TOMMY

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