| commit | author | age | ||
| 66d68b | 1 | /* |
| U | 2 | |
| 3 | Zeitrechnung - a class library to determine calendar events | |
| 4 | Copyright (c) 1984-2022 Ulrich Hilger, http://uhilger.de | |
| 5 | ||
| 6 | This program is free software: you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU Affero General Public License as published by | |
| 8 | the Free Software Foundation, either version 3 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU Affero General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Affero General Public License | |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | ||
| 19 | */ | |
| 20 | package de.uhilger.zeitrechnung.kalender; | |
| 21 | ||
| 22 | /** | |
| 23 | * Klassen, die Methoden zur Zeitrechnung im Kontext der Programmbibliothek | |
| 24 | * Zeitrechnung liefern, muessen diese Schnittstelle implementieren | |
| 25 | * | |
| 26 | * @author Ulrich Hilger | |
| 27 | * @version 2, 1.10.2022 | |
| 28 | */ | |
| 29 | public interface Zeitrechnung { | |
| 30 | ||
| 31 | public long ganzzahlQuotient(double x, double y); | |
| 32 | ||
| 33 | public long modulo(long x, long y); | |
| 34 | ||
| 35 | public double modulo(double x, double y); | |
| 36 | ||
| 37 | public long tagNach(long datum, int t); | |
| 38 | ||
| 39 | public long tagAmOderNach(long datum, int t); | |
| 40 | ||
| 41 | public long wochentagVonGenerisch(long datum); | |
| 42 | ||
| 43 | public long nterTag(int n, int t, long datum); | |
| 44 | ||
| 45 | public long tagVor(long datum, int t); | |
| 46 | ||
| 47 | public long tagAmOderVor(long datum, int t); | |
| 48 | ||
| 49 | public long letzterTag(int t, long datum); | |
| 50 | ||
| 51 | } | |
