Allocation API update.

Change-Id: I9b4a71f9e94c7d3978f06b7971051ab4f8472503
diff --git a/rsScriptC_Lib.cpp b/rsScriptC_Lib.cpp
index 7e4a247..f61b983 100644
--- a/rsScriptC_Lib.cpp
+++ b/rsScriptC_Lib.cpp
@@ -73,12 +73,14 @@
 
 static float SC_randf(float max) {
     float r = (float)rand();
-    return r / RAND_MAX * max;
+    r *= max;
+    return r / RAND_MAX;
 }
 
 static float SC_randf2(float min, float max) {
     float r = (float)rand();
-    return r / RAND_MAX * (max - min) + min;
+    r = r * (max - min) + min;
+    return r / RAND_MAX;
 }
 
 static int SC_randi(int max) {