ISLEAP True for leap year.
ISLEAP(Year) returns 1 if Year is a leap year and 0 otherwise.
ISLEAP is only set for gregorian calendar, so Year >= 1583
Syntax: ISLEAP(YEAR)

Inputs:
YEAR - Year of interest (default = current year).
You can input a vector of years.
Outputs:
Logical vector.

Example:

Calling on Matlab the function: isleap

Answer is: 0

Calling on Matlab the function: x=isleap([2007 2008])

Answer is:
x = 0 1

Created by Giuseppe Cardillo
giuseppe.cardillo-edta@poste.it
Modified after Simon Jan suggestions
To cite this file, this would be an appropriate format:
Cardillo G. (2007) Isleap: a simple routine to test if a year is leap.
http://www.mathworks.com/matlabcentral/fileexchange/14172