32 lines
1.1 KiB
Java
32 lines
1.1 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2021 ViaVersion and contributors
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*
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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 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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*
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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 com.viaversion.viaversion.util;
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public final class MathUtil {
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/**
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* Returns the ceiled log to the base of 2 for the given number.
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*
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* @param i positive number to ceillog
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* @return ceiled log2 of the given number
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*/
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public static int ceilLog2(final int i) {
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return i > 0 ? 31 - Integer.numberOfLeadingZeros(i) : 0;
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}
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}
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