--- /dev/null
+/* =============================================================================
+ *
+ * coordinate.java
+ *
+ * =============================================================================
+ *
+ * Copyright (C) Stanford University, 2006. All Rights Reserved.
+ * Author: Chi Cao Minh
+ *
+ * =============================================================================
+ *
+ * For the license of bayes/sort.h and bayes/sort.c, please see the header
+ * of the files.
+ *
+ * ------------------------------------------------------------------------
+ *
+ * For the license of kmeans, please see kmeans/LICENSE.kmeans
+ *
+ * ------------------------------------------------------------------------
+ *
+ * For the license of ssca2, please see ssca2/COPYRIGHT
+ *
+ * ------------------------------------------------------------------------
+ *
+ * For the license of lib/mt19937ar.c and lib/mt19937ar.h, please see the
+ * header of the files.
+ *
+ * ------------------------------------------------------------------------
+ *
+ * For the license of lib/rbtree.h and lib/rbtree.c, please see
+ * lib/LEGALNOTICE.rbtree and lib/LICENSE.rbtree
+ *
+ * ------------------------------------------------------------------------
+ *
+ * Unless otherwise noted, the following license applies to STAMP files:
+ *
+ * Copyright (c) 2007, Stanford University
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * * Neither the name of Stanford University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY STANFORD UNIVERSITY ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL STANFORD UNIVERSITY BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * =============================================================================
+ */
+
+
+
+
+import java.lang.Math;
+
+public class Coordinate {
+
+ public int x;
+ public int y;
+ public int z;
+
+ public Coordinate() {}
+
+
+ // coordiate_alloc will be constructor
+ // coordinate_t* coordinate_alloc(long x, long y, long z)
+ public Coordinate(int x,int y,int z) {
+ this.x = x;
+ this.y = y;
+ this.z = z;
+ }
+
+ public static Coordinate alloc(int x,int y,int z) {
+ Coordinate c = new Coordinate(x,y,z);
+
+ return c;
+ }
+
+
+ // deallocate memory
+ // may not need
+ // coordinate_free
+
+ /*========================================================
+ // coordinate_isEqual
+ ==========================================================*/
+ public static boolean isEqual(Coordinate a,Coordinate b)
+ {
+ if((a.x == b.x) && (a.y == b.y) && (a.z == b.z))
+ return true;
+
+ return false;
+ }
+
+ /*==========================================================
+ *
+ * getPairDistance
+ *
+ *========================================================*/
+ private static double getPairDistance(Pair p)
+ {
+ Coordinate a = (Coordinate)p.first;
+ Coordinate b = (Coordinate)p.second;
+ int dx = a.x - b.x;
+ int dy = a.y - b.y;
+ int dz = a.z - b.z;
+ int dx2 = dx* dx;
+ int dy2 = dy* dy;
+ int dz2 = dz* dz;
+
+ return Math.sqrt((double)(dx2+dy2+dz2));
+ }
+
+
+ /*================================================
+ // coordinat_ comparePair
+ * -- For sorting in list of source/destination pairs
+ * -- Route longer paths first so they are more likely to suceed
+
+ *================================================*/
+ public static int comparePair(final Object a,final Object b)
+ {
+ double aDistance = getPairDistance((Pair)a);
+ double bDistance = getPairDistance((Pair)b);
+
+ if(aDistance < bDistance) {
+ return 1;
+ } else if(aDistance > bDistance) {
+ return -1;
+ }
+
+ return 0;
+ }
+
+ /*=======================================================
+ * coordinate_areAdjacent
+ *=======================================================*/
+
+ public static boolean areAdjacent(Coordinate a,Coordinate b)
+ {
+ int dx = a.x - b.x;
+ int dy = a.y - b.y;
+ int dz = a.z - b.z;
+ int dx2 = dx * dx;
+ int dy2 = dy * dy;
+ int dz2 = dz * dz;
+
+ return (((dx2 + dy2 + dz2) == 1) ? true : false);
+ }
+ }
+
+ /*=====================================================
+ *
+ * End of Coordinate
+ *
+ *====================================================*/
+
+
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