/**
 * Description: provide a bound, and the corresponding operations
 *
 * Author          Create/Modi     Note
 * Xiaofeng Xie    Oct. 9, 2002
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is 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
 * Lesser General Public License for more details.
 *
 * Please acknowledge the author(s) if you use this code in any way.
 */

package net.adaptivebox.global;

public class BasicBound {
  public static final double MINDOUBLE = -1e308;
  public static final double MAXDOUBLE = 1e308;

  public double minValue = MINDOUBLE;
  public double maxValue = MAXDOUBLE;

  public BasicBound() {
  }

  public BasicBound(double min, double max) {
    minValue = Math.min(min, max);
    maxValue = Math.max(min, max);
  }

  public double getLength() {
    return Math.abs(maxValue - minValue);
  }

  public double boundAdjust(double value) {
    if (value > maxValue) {
      value = maxValue;
    } else if (value < minValue) {
      value = minValue;
    }
    return value;
  }

  public double annulusAdjust(double value) {
    if (value > maxValue) {
      double extendsLen = (value - maxValue) % getLength();
      value = minValue + extendsLen;
    } else if (value < minValue) {
      double extendsLen = (minValue - value) % getLength();
      value = maxValue - extendsLen;
    }
    return value;
  }

  public double getRandomValue() {
    return RandomGenerator.doubleRangeRandom(minValue, maxValue);
  }
}