diff --git a/src/main/java/org/jblas/FloatFunction.java b/src/main/java/org/jblas/FloatFunction.java
index 91f6a889..ac64559d 100644
--- a/src/main/java/org/jblas/FloatFunction.java
+++ b/src/main/java/org/jblas/FloatFunction.java
@@ -39,7 +39,8 @@
 /**
  * Represents a function on floats.
  */
-public interface FloatFunction {
+public interface FloatFunction 
+{
         /** Compute the function. */
 	public float compute(float x);
 }
\ No newline at end of file
diff --git a/src/main/java/org/jblas/Geometry.java b/src/main/java/org/jblas/Geometry.java
index ed68408b..7bdf91d7 100644
--- a/src/main/java/org/jblas/Geometry.java
+++ b/src/main/java/org/jblas/Geometry.java
@@ -74,7 +74,7 @@ public static DoubleMatrix center(DoubleMatrix x) {
         /** Center the rows of a matrix (in-place). */
 	public static DoubleMatrix centerRows(DoubleMatrix x) {
                 DoubleMatrix temp = new DoubleMatrix(x.columns);
-		for (int r = 0; r < x.rows; r++)
+		for (r: x.rows)
 			x.putRow(r, center(x.getRow(r, temp)));
 		return x;
 	}
@@ -82,7 +82,7 @@ public static DoubleMatrix centerRows(DoubleMatrix x) {
         /** Center the columns of a matrix (in-place). */
 	public static DoubleMatrix centerColumns(DoubleMatrix x) {
                 DoubleMatrix temp = new DoubleMatrix(x.rows);
-		for (int c = 0; c < x.columns; c++)
+		for (c : x.columns)
 			x.putColumn(c, center(x.getColumn(c, temp)));
 		return x;
 	}