Refactored some code to avoid limitations of older Eclipses' debuggers.

sort_four_pairs/src/main/java/edu/unl/cse/soft160/sort_four_pairs/SortFourPairs.java

@@ -48,7 +48,8 @@ public class SortFourPairs {
 		double y3 = readArgument(7, arguments);
 		double x4 = x0;
 		double y4 = y0;
-		switch (getPositionOfMinimum(x0, y0, x1, y1, x2, y2, x3, y3)) {
+		int firstPositionOfMinimum = getPositionOfMinimum(x0, y0, x1, y1, x2, y2, x3, y3);
+		switch (firstPositionOfMinimum) {
 		case 3:
 			x4 = x2;
 			x2 = x3;
@@ -71,7 +72,8 @@ public class SortFourPairs {
 			y0 = y1;
 			y1 = y4;
 		}
-		switch (getPositionOfMinimum(Double.MAX_VALUE, Double.MAX_VALUE, x1, y1, x2, y2, x3, y3)) {
+		int secondPositionOfMinimum = getPositionOfMinimum(Double.MAX_VALUE, Double.MAX_VALUE, x1, y1, x2, y2, x3, y3);
+		switch (secondPositionOfMinimum) {
 		case 3:
 			x4 = x2;
 			x2 = x3;
@@ -87,8 +89,9 @@ public class SortFourPairs {
 			y1 = y2;
 			y2 = y4;
 		}
-		switch (getPositionOfMinimum(Double.MAX_VALUE, Double.MAX_VALUE, Double.MAX_VALUE, Double.MAX_VALUE, x2, y2, x3,
-				y3)) {
+		int thirdPositionOfMinimum = getPositionOfMinimum(Double.MAX_VALUE, Double.MAX_VALUE, Double.MAX_VALUE,
+				Double.MAX_VALUE, x2, y2, x3, y3);
+		switch (thirdPositionOfMinimum) {
 		case 3:
 			x4 = x2;
 			x2 = x3;