=== modified file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/math/OneIfZeroOrPositiveFunction.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/math/OneIfZeroOrPositiveFunction.java	2015-04-22 15:07:43 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/math/OneIfZeroOrPositiveFunction.java	2015-04-23 17:11:18 +0000
@@ -37,6 +37,8 @@
 public class OneIfZeroOrPositiveFunction
     extends UnaryDoubleFunction
 {
+    public static final String NAME = "oizp";
+    
     public OneIfZeroOrPositiveFunction()
     {
         super();

=== modified file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/math/ZeroIfNegativeFunction.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/math/ZeroIfNegativeFunction.java	2015-04-22 15:07:43 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/math/ZeroIfNegativeFunction.java	2015-04-23 17:11:18 +0000
@@ -37,6 +37,8 @@
 public class ZeroIfNegativeFunction
     extends UnaryDoubleFunction
 {
+    public static final String NAME = "zing";
+    
     public ZeroIfNegativeFunction()
     {
         super();

=== modified file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/MathUtils.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/MathUtils.java	2015-04-22 15:07:43 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/MathUtils.java	2015-04-23 17:11:18 +0000
@@ -51,9 +51,6 @@
 {
     public static final Double ZERO = new Double( 0 );
     
-    public static final String ONEIFZEROORPOSITIVE_FUNCTION_NAME = "oizp";
-    public static final String ZEROIFNEGATIVE_FUNCTION_NAME = "zing";
-    
     private static DoubleValidator DOUBLE_VALIDATOR = new DoubleValidator();
     private static IntegerValidator INT_VALIDATOR = new IntegerValidator();
     
@@ -151,8 +148,8 @@
         final JEP parser = new JEP();
         parser.addStandardFunctions();
         parser.addStandardConstants();
-        parser.addFunction( ONEIFZEROORPOSITIVE_FUNCTION_NAME, new OneIfZeroOrPositiveFunction() );
-        parser.addFunction( ZEROIFNEGATIVE_FUNCTION_NAME, new ZeroIfNegativeFunction() );
+        parser.addFunction( OneIfZeroOrPositiveFunction.NAME, new OneIfZeroOrPositiveFunction() );
+        parser.addFunction( ZeroIfNegativeFunction.NAME, new ZeroIfNegativeFunction() );
         return parser;
     }