git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/optimization/rocketoptimization/goals/ValueSeekGoal.java

   1 package net.sf.openrocket.optimization.rocketoptimization.goals;
   2
   3 import net.sf.openrocket.optimization.rocketoptimization.OptimizationGoal;
   4
   5
   6 /**
   7  * An optimization goal that seeks for a specific function value.
   8  * The method returns the Euclidic distance from the desired value.
   9  *
  10  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  11  */
  12 public class ValueSeekGoal implements OptimizationGoal {
  13
  14         private final double goal;
  15
  16         /**
  17          * Sole constructor.
  18          *
  19          * @param goal  the function value to optimize towards.
  20          */
  21         public ValueSeekGoal(double goal) {
  22                 this.goal = goal;
  23         }
  24
  25         @Override
  26         public double getMinimizationParameter(double value) {
  27                 return Math.abs(value - goal);
  28         }
  29
  30 }