git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/optimization/general/multidim/FunctionCacheComparator.java

   1 package net.sf.openrocket.optimization.general.multidim;
   2
   3 import java.util.Comparator;
   4
   5 import net.sf.openrocket.optimization.general.FunctionCache;
   6 import net.sf.openrocket.optimization.general.Point;
   7
   8 /**
   9  * A comparator that orders Points in a function value order, smallest first.
  10  *
  11  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  12  */
  13 public class FunctionCacheComparator implements Comparator<Point> {
  14
  15         private final FunctionCache cache;
  16
  17         public FunctionCacheComparator(FunctionCache cache) {
  18                 this.cache = cache;
  19         }
  20
  21         @Override
  22         public int compare(Point o1, Point o2) {
  23                 double v1 = cache.getValue(o1);
  24                 double v2 = cache.getValue(o2);
  25
  26                 return Double.compare(v1, v2);
  27         }
  28
  29 }