On Sun, 5 Nov 2023 22:14:50 GMT, Claes Redestad wrote:
>> Thanks for your interest in my work. I'd love to assist porting our
>> algorithms to Java. Notice, however, that I'm not a Java programmer and I
>> don't have the complete picture of what goes on in the JVM. What follows is
>> based on
On Fri, 3 Nov 2023 23:22:27 GMT, Claes Redestad wrote:
>> https://github.com/cassioneri/eaf suggest this code for leap year
>> calculation:
>>
>> public static boolean isLeap(long year) {
>> int d = year % 100 != 0 ? 4 : 16;
>> return (year & (d - 1)) == 0;
>> }
>>
>> .
On Sat, 4 Nov 2023 16:01:44 GMT, Claes Redestad wrote:
>> src/java.base/share/classes/java/time/Year.java line 321:
>>
>>> 319: // So for a year that's divisible by 4, checking that it's
>>> also divisible by 16
>>> 320: // is sufficient to determine it must be a leap year.
>>>
On Fri, 3 Nov 2023 23:22:27 GMT, Claes Redestad wrote:
>> https://github.com/cassioneri/eaf suggest this code for leap year
>> calculation:
>>
>> public static boolean isLeap(long year) {
>> int d = year % 100 != 0 ? 4 : 16;
>> return (year & (d - 1)) == 0;
>> }
>>
>> .
