MathUtils.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 * 
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 * This file is part of PlantUML.
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 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
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 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
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 * Original Author:  Arnaud Roques
 *
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 */
package net.sourceforge.plantuml.utils;

import net.sourceforge.plantuml.klimt.geom.XDimension2D;

public class MathUtils {

    public static int abs(int a) {
        return (a < 0) ? -a : a;
    }

	public static double max(double a, double b) {
		return Math.max(a, b);
	}

	public static double max(double a, double b, double c) {
		return max(max(a, b), c);
	}

	public static double max(double a, double b, double c, double d) {
		return max(max(a, b), max(c, d));
	}

	public static double max(double a, double b, double c, double d, double e) {
		return max(max(a, b, c), max(d, e));
	}

	public static double min(double a, double b) {
		return Math.min(a, b);
	}

	public static double min(double a, double b, double c) {
		return min(min(a, b), c);
	}

	public static double min(double a, double b, double c, double d) {
		return min(min(a, b), min(c, d));
	}

	public static double min(double a, double b, double c, double d, double e) {
		return min(min(a, b, c), min(d, e));
	}

	public static double limitation(double v, double min, double max) {
		if (min >= max) {
			// assert false : "min="+min+" max="+max+" v="+v;
			return v;
			// throw new IllegalArgumentException("min="+min+" max="+max+" v="+v);
		}
		if (v < min) 
			return min;
		
		if (v > max) 
			return max;
		
		return v;
	}

	public static XDimension2D maxDim(XDimension2D dim1, XDimension2D dim2) {
		return new XDimension2D(Math.max(dim1.getWidth(), dim2.getWidth()),
				Math.max(dim1.getHeight(), dim2.getHeight()));
	}

	public static XDimension2D maxDim(XDimension2D dim1, XDimension2D dim2, XDimension2D dim3) {
		return new XDimension2D(MathUtils.max(dim1.getWidth(), dim2.getWidth(), dim3.getWidth()),
				MathUtils.max(dim1.getHeight(), dim2.getHeight(), dim3.getHeight()));
	}

}