Revision 45307 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/operator/AddOperator.java

View differences:

AddOperator.java
28 28
    }
29 29
    
30 30
    @Override
31
    public Object call(Interpreter interpreter, Object op1, Object op2) {       
31
    public Object call(Interpreter interpreter, Object op1, Object op2) {
32
        if (op1 == null || op2 == null) {
33
            return null;
34
        }
32 35
        int type = this.getType(op1, op2);
33 36
        if( (type & TYPE_DOUBLE) == TYPE_DOUBLE ) {
34 37
            double value = getDouble(op1,1) + getDouble(op2,2);

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