is_leap_year {fastymd}R Documentation

Is value a leap year?

Description

Determine whether an input value is a leap year using the branchless approach of jerichaux (2025). Method provided for both Dates and numeric values. Numeric values first floored before the calculation is made.

Usage

is_leap_year(x)

is_leap(x)

Arguments

x

An R object.

Value

logical result.

References

jerichaux. (2025) How to find leap year programmatically in C. Available at: https://stackoverflow.com/a/79564914 (Accessed 16 April 2025).


[Package fastymd version 0.1.3 Index]