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Update easter.cpp

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AlternateWalls
2021-10-11 09:39:44 -04:00
parent d4fab482d2
commit 63985dc023
1 changed files with 17 additions and 17 deletions
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34
others/easter.cpp
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@@ -25,9 +25,9 @@
*/
class EasterYearMonthDay {
public:
int year; ///< year Easter is on
int month; ///< month Easter is on
int day; ///< day Easter is on
uint64_t year; ///< year Easter is on
uint64_t month; ///< month Easter is on
uint64_t day; ///< day Easter is on
EasterYearMonthDay(int newYear, int newMonth, int newDay) {
year = newYear; // Assigns year to class
@@ -45,22 +45,22 @@ class EasterYearMonthDay {
*/
EasterYearMonthDay findEaster(int y) {
if (y > 1582) {
int a = y % 19; // Year's location on Metonic Calendar
int b = y / 100; // Century index
int c = y % 100;
int d = b / 4;
int e = b % 4; // Takes into account leap years
int f = (b + 8) / 25;
int g = (b - f + 1) / 3;
int h = (19 * a + b - d - g + 15) %
uint64_t a = y % 19; // Year's location on Metonic Calendar
uint64_t b = y / 100; // Century index
uint64_t c = y % 100;
uint64_t d = b / 4;
uint64_t e = b % 4; // Takes into account leap years
uint64_t f = (b + 8) / 25;
uint64_t g = (b - f + 1) / 3;
uint64_t h = (19 * a + b - d - g + 15) %
30; // Days from Mar. 21st until the full moon
int i = c / 4;
int k = c % 4;
int r = (32 + 2 * e + 2 * i - h - k) %
uint64_t i = c / 4;
uint64_t k = c % 4;
uint64_t r = (32 + 2 * e + 2 * i - h - k) %
7; // The number of days from Paschal full moon to next Sunday
int m = (a + 11 * h + 22 * r) / 451;
int n = (h + r - 7 * m + 114) / 31; // Month of Easter
int p = (h + r - 7 * m + 114) % 31; // p + 1 is the day of Easter
uint64_t m = (a + 11 * h + 22 * r) / 451;
uint64_t n = (h + r - 7 * m + 114) / 31; // Month of Easter
uint64_t p = (h + r - 7 * m + 114) % 31; // p + 1 is the day of Easter
// Assign values
EasterYearMonthDay date(