checking in search tests

Author: magicindian

src/aima/test/search/MisplacedTileHeuristicFunctionTest.java

@@ -18,12 +18,12 @@ public void testHeuristicCalculation() {
 		MisplacedTilleHeuristicFunction fn = new MisplacedTilleHeuristicFunction();
 		EightPuzzleBoard board = new EightPuzzleBoard(new int[] { 2, 0, 5, 6,
 				4, 8, 3, 7, 1 });
-		assertEquals(7, fn.getHeuristicValue(board));
+		assertEquals(7.0, fn.getHeuristicValue(board));
 
 		board = new EightPuzzleBoard(new int[] { 6, 2, 5, 3, 4, 8, 0, 7, 1 });
-		assertEquals(6, fn.getHeuristicValue(board));
+		assertEquals(6.0, fn.getHeuristicValue(board));
 
 		board = new EightPuzzleBoard(new int[] { 6, 2, 5, 3, 4, 8, 7, 0, 1 });
-		assertEquals(7, fn.getHeuristicValue(board));
+		assertEquals(7.0, fn.getHeuristicValue(board));
 	}
 }

src/aima/test/search/searches/RecursiveBestFirstSearchTest.java

@@ -34,7 +34,7 @@ public void setUp() {
 				new AStarEvaluationFunction());
 
 		heuristicFunction = new HeuristicFunction() {
-			public int getHeuristicValue(Object state) {
+			public double getHeuristicValue(Object state) {
 				return SimplifiedRoadMapOfPartOfRomania
 						.getStraightLineDistancesToBucharest().getDistance(
 								(String) state,