Util.java

/**
 Ported by David Turner from Visilibity, by Karl J. Obermeyer
   
 
 This port undoubtedly introduced a number of bugs (and removed some features).
 
 Bug reports should be directed to the OpenTripPlanner project, unless they 
 can be reproduced in the original VisiLibity.
  
 This program 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 3 of the License, or (at your
 option) any later version.

 This program 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.

 You should have received a copy of the GNU Lesser General Public
 License along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.opentripplanner.visibility;

import java.util.Random;

public class Util {
    static Random rng = new Random();

    public static double uniform_random_sample(double lower_bound, double upper_bound) {
        if (lower_bound == upper_bound)
            return lower_bound;
        double sample_point;
        double span = upper_bound - lower_bound;
        sample_point = lower_bound + span * rng.nextDouble();
        return sample_point;
    }
}