rule "test_rule"
 dialect "java"
 when
 $nanTest : DoubleNaNTest( $testDouble1 : testDouble1 , $testDouble2 : testDouble2 , $testDouble1 + 10 > $testDouble2 , testBoolean!=null, testBoolean==false) 
then
 System.out.println("rule_a fired ");
 $nanTest.setTestBoolean(true);
 update($nanTest);
end



   DoubleNaNTest nan = new DoubleNaNTest();
   nan.setTestBoolean(false);
   nan.setTestDouble1(Double.NaN);//Double.NaN
   nan.setTestDouble2(100.0);
   KieSession ksession = sumKieBaseShort.newKieSession();
   ksession.insert(nan);