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Convert long count to arrays

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Quantum 2023-04-22 03:46:04 -04:00
parent 56cef40dba
commit fc5f9b91b7
3 changed files with 53 additions and 51 deletions
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96
common/src/longCount.test.ts
View file

@ -2,57 +2,57 @@ import {jdnLongCount} from './longCount';
describe('jdnLongCount', () => {
it('works for normal dates', () => {
expect(jdnLongCount(2456282)).toEqual('12.19.19.17.19');
expect(jdnLongCount(2459413)).toEqual('13.0.8.12.10');
expect(jdnLongCount(1708616)).toEqual('7.16.3.2.13');
expect(jdnLongCount(1787816)).toEqual('8.7.3.2.13');
expect(jdnLongCount(1709981)).toEqual('7.16.6.16.18');
expect(jdnLongCount(1725275)).toEqual('7.18.9.7.12');
expect(jdnLongCount(1727095)).toEqual('7.18.14.8.12');
expect(jdnLongCount(1731775)).toEqual('7.19.7.8.12');
expect(jdnLongCount(1734635)).toEqual('7.19.15.7.12');
expect(jdnLongCount(1751618)).toEqual('8.2.2.10.15');
expect(jdnLongCount(1758818)).toEqual('8.3.2.10.15');
expect(jdnLongCount(1767234)).toEqual('8.4.5.17.11');
expect(jdnLongCount(1773428)).toEqual('8.5.3.3.5');
expect(jdnLongCount(1778230)).toEqual('8.5.16.9.7');
expect(jdnLongCount(1780300)).toEqual('8.6.2.4.17');
expect(jdnLongCount(2283483)).toEqual('11.16.0.0.0');
expect(jdnLongCount(584283)).toEqual('0.0.0.0.0');
expect(jdnLongCount(728283)).toEqual('1.0.0.0.0');
expect(jdnLongCount(872283)).toEqual('2.0.0.0.0');
expect(jdnLongCount(1016283)).toEqual('3.0.0.0.0');
expect(jdnLongCount(1160283)).toEqual('4.0.0.0.0');
expect(jdnLongCount(1304283)).toEqual('5.0.0.0.0');
expect(jdnLongCount(1448283)).toEqual('6.0.0.0.0');
expect(jdnLongCount(1592283)).toEqual('7.0.0.0.0');
expect(jdnLongCount(1736283)).toEqual('8.0.0.0.0');
expect(jdnLongCount(1880283)).toEqual('9.0.0.0.0');
expect(jdnLongCount(2024283)).toEqual('10.0.0.0.0');
expect(jdnLongCount(2168283)).toEqual('11.0.0.0.0');
expect(jdnLongCount(2312283)).toEqual('12.0.0.0.0');
expect(jdnLongCount(2456283)).toEqual('13.0.0.0.0');
expect(jdnLongCount(2600283)).toEqual('14.0.0.0.0');
expect(jdnLongCount(2744283)).toEqual('15.0.0.0.0');
expect(jdnLongCount(2888283)).toEqual('16.0.0.0.0');
expect(jdnLongCount(3032283)).toEqual('17.0.0.0.0');
expect(jdnLongCount(3176283)).toEqual('18.0.0.0.0');
expect(jdnLongCount(3320283)).toEqual('19.0.0.0.0');
expect(jdnLongCount(3464283)).toEqual('1.0.0.0.0.0');
expect(jdnLongCount(1941383)).toEqual('9.8.9.13.0');
expect(jdnLongCount(2456282)).toEqual([12, 19, 19, 17, 19]);
expect(jdnLongCount(2459413)).toEqual([13, 0, 8, 12, 10]);
expect(jdnLongCount(1708616)).toEqual([7, 16, 3, 2, 13]);
expect(jdnLongCount(1787816)).toEqual([8, 7, 3, 2, 13]);
expect(jdnLongCount(1709981)).toEqual([7, 16, 6, 16, 18]);
expect(jdnLongCount(1725275)).toEqual([7, 18, 9, 7, 12]);
expect(jdnLongCount(1727095)).toEqual([7, 18, 14, 8, 12]);
expect(jdnLongCount(1731775)).toEqual([7, 19, 7, 8, 12]);
expect(jdnLongCount(1734635)).toEqual([7, 19, 15, 7, 12]);
expect(jdnLongCount(1751618)).toEqual([8, 2, 2, 10, 15]);
expect(jdnLongCount(1758818)).toEqual([8, 3, 2, 10, 15]);
expect(jdnLongCount(1767234)).toEqual([8, 4, 5, 17, 11]);
expect(jdnLongCount(1773428)).toEqual([8, 5, 3, 3, 5]);
expect(jdnLongCount(1778230)).toEqual([8, 5, 16, 9, 7]);
expect(jdnLongCount(1780300)).toEqual([8, 6, 2, 4, 17]);
expect(jdnLongCount(2283483)).toEqual([11, 16, 0, 0, 0]);
expect(jdnLongCount(584283)).toEqual([0, 0, 0, 0, 0]);
expect(jdnLongCount(728283)).toEqual([1, 0, 0, 0, 0]);
expect(jdnLongCount(872283)).toEqual([2, 0, 0, 0, 0]);
expect(jdnLongCount(1016283)).toEqual([3, 0, 0, 0, 0]);
expect(jdnLongCount(1160283)).toEqual([4, 0, 0, 0, 0]);
expect(jdnLongCount(1304283)).toEqual([5, 0, 0, 0, 0]);
expect(jdnLongCount(1448283)).toEqual([6, 0, 0, 0, 0]);
expect(jdnLongCount(1592283)).toEqual([7, 0, 0, 0, 0]);
expect(jdnLongCount(1736283)).toEqual([8, 0, 0, 0, 0]);
expect(jdnLongCount(1880283)).toEqual([9, 0, 0, 0, 0]);
expect(jdnLongCount(2024283)).toEqual([10, 0, 0, 0, 0]);
expect(jdnLongCount(2168283)).toEqual([11, 0, 0, 0, 0]);
expect(jdnLongCount(2312283)).toEqual([12, 0, 0, 0, 0]);
expect(jdnLongCount(2456283)).toEqual([13, 0, 0, 0, 0]);
expect(jdnLongCount(2600283)).toEqual([14, 0, 0, 0, 0]);
expect(jdnLongCount(2744283)).toEqual([15, 0, 0, 0, 0]);
expect(jdnLongCount(2888283)).toEqual([16, 0, 0, 0, 0]);
expect(jdnLongCount(3032283)).toEqual([17, 0, 0, 0, 0]);
expect(jdnLongCount(3176283)).toEqual([18, 0, 0, 0, 0]);
expect(jdnLongCount(3320283)).toEqual([19, 0, 0, 0, 0]);
expect(jdnLongCount(3464283)).toEqual([1, 0, 0, 0, 0, 0]);
expect(jdnLongCount(1941383)).toEqual([9, 8, 9, 13, 0]);
});
it('works for insane dates in the future', () => {
expect(jdnLongCount(591279564516)).toEqual('1.5.13.5.5.4.0.11.13.13');
expect(jdnLongCount(570988471138)).toEqual('1.4.15.12.19.13.13.3.8.15');
expect(jdnLongCount(166410754861)).toEqual('7.4.9.1.6.3.13.14.18');
expect(jdnLongCount(176632006419)).toEqual('7.13.6.10.7.1.19.4.16');
expect(jdnLongCount(652557304645)).toEqual('1.8.6.9.2.3.17.16.10.2');
expect(jdnLongCount(140305417242)).toEqual('6.1.15.16.19.2.7.1.19');
expect(jdnLongCount(805888002058)).toEqual('1.14.19.11.2.0.8.0.8.15');
expect(jdnLongCount(176433890202)).toEqual('7.13.3.1.11.5.16.7.19');
expect(jdnLongCount(331888546361)).toEqual('14.8.1.18.17.10.5.13.18');
expect(jdnLongCount(657363764536)).toEqual('1.8.10.12.11.2.1.14.0.13');
expect(jdnLongCount(591279564516)).toEqual([1, 5, 13, 5, 5, 4, 0, 11, 13, 13]);
expect(jdnLongCount(570988471138)).toEqual([1, 4, 15, 12, 19, 13, 13, 3, 8, 15]);
expect(jdnLongCount(166410754861)).toEqual([7, 4, 9, 1, 6, 3, 13, 14, 18]);
expect(jdnLongCount(176632006419)).toEqual([7, 13, 6, 10, 7, 1, 19, 4, 16]);
expect(jdnLongCount(652557304645)).toEqual([1, 8, 6, 9, 2, 3, 17, 16, 10, 2]);
expect(jdnLongCount(140305417242)).toEqual([6, 1, 15, 16, 19, 2, 7, 1, 19]);
expect(jdnLongCount(805888002058)).toEqual([1, 14, 19, 11, 2, 0, 8, 0, 8, 15]);
expect(jdnLongCount(176433890202)).toEqual([7, 13, 3, 1, 11, 5, 16, 7, 19]);
expect(jdnLongCount(331888546361)).toEqual([14, 8, 1, 18, 17, 10, 5, 13, 18]);
expect(jdnLongCount(657363764536)).toEqual([1, 8, 10, 12, 11, 2, 1, 14, 0, 13]);
});
it('returns null for dates before inception of calendar', () => {

6
common/src/longCount.ts
View file

@ -1,4 +1,6 @@
export function jdnLongCount(jdn: number): string | null {
export type LongCount = Array<number>;
export function jdnLongCount(jdn: number): LongCount | null {
let z = jdn - 584283;
if (z < 0)
return null;
@ -14,5 +16,5 @@ export function jdnLongCount(jdn: number): string | null {
parts.push(0);
}
return parts.reverse().join('.');
return parts.reverse();
}

2
frcal/src/Calendar.tsx
View file

@ -32,7 +32,7 @@ function DecadeName({name}: { name: string }): JSX.Element {
function DayDetail({jdn}: { jdn: number }): JSX.Element {
return <div className="DayDetail">
<div className="DayDetail-gregorian">{jdnDate(jdn).toDateString()}</div>
<div className="DayDetail-lc">{jdnLongCount(jdn)}</div>
<div className="DayDetail-lc">{jdnLongCount(jdn)?.join('.')}</div>
</div>;
}