1 files changed, 9 insertions, 1 deletions
diff --git a/test/com/jogamp/opencl/TestUtils.java b/test/com/jogamp/opencl/TestUtils.java
index e7e5fabe..87e7cc5f 100644
--- a/test/com/jogamp/opencl/TestUtils.java
+++ b/test/com/jogamp/opencl/TestUtils.java
@@ -62,13 +62,21 @@ public class TestUtils {
         Random rnd = new Random(seed);
 
         while(buffer.remaining() != 0)
-            buffer.put(rnd.nextFloat());
+            buffer.put(rndFloat(rnd));
 
         buffer.rewind();
 
         return buffer;
     }
 
+    public static float rndFloat(Random rnd) {
+        return rndFloat(rnd, 100);
+    }
+
+    public static float rndFloat(Random rnd, float range) {
+        return (rnd.nextFloat()-0.5f)*range*2;
+    }
+
     public static void checkIfEqual(ByteBuffer a, ByteBuffer b, int elements) {
         for(int i = 0; i < elements; i++) {
             int aVal = a.getInt();