/*
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Zeitrechnung - a class library to determine calendar events
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Copyright (c) 1984-2022 Ulrich Hilger, http://uhilger.de
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package de.uhilger.zeitrechnung.kalender;
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/**
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* Klassen, die Methoden zur Zeitrechnung im Kontext der Programmbibliothek
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* Zeitrechnung liefern, muessen diese Schnittstelle implementieren
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*
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* @author Ulrich Hilger
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* @version 2, 1.10.2022
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*/
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public interface Zeitrechnung {
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public long ganzzahlQuotient(double x, double y);
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public long modulo(long x, long y);
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public double modulo(double x, double y);
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public long tagNach(long datum, int t);
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public long tagAmOderNach(long datum, int t);
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public long wochentagVonGenerisch(long datum);
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public long nterTag(int n, int t, long datum);
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public long tagVor(long datum, int t);
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public long tagAmOderVor(long datum, int t);
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public long letzterTag(int t, long datum);
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}
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