Add NAN test for Approx
diff --git a/projects/SelfTest/Baselines/xml.sw.approved.txt b/projects/SelfTest/Baselines/xml.sw.approved.txt
index f8abb18..89531ae 100644
--- a/projects/SelfTest/Baselines/xml.sw.approved.txt
+++ b/projects/SelfTest/Baselines/xml.sw.approved.txt
@@ -869,6 +869,22 @@
           inff == Approx( inf )
         </Expanded>
       </Expression>
+      <Expression success="true" type="REQUIRE" filename="projects/<exe-name>/ApproxTests.cpp" >
+        <Original>
+          NAN != Approx(NAN)
+        </Original>
+        <Expanded>
+          nanf != Approx( nan )
+        </Expanded>
+      </Expression>
+      <Expression success="true" type="REQUIRE_FALSE" filename="projects/<exe-name>/ApproxTests.cpp" >
+        <Original>
+          !(NAN == Approx(NAN))
+        </Original>
+        <Expanded>
+          !(nanf == Approx( nan ))
+        </Expanded>
+      </Expression>
       <OverallResult success="true"/>
     </TestCase>
     <TestCase name="Bitfields can be captured (#1027)" filename="projects/<exe-name>/TrickyTests.cpp" >
@@ -8718,7 +8734,7 @@
       </Section>
       <OverallResult success="true"/>
     </TestCase>
-    <OverallResults successes="814" failures="100" expectedFailures="21"/>
+    <OverallResults successes="816" failures="100" expectedFailures="21"/>
   </Group>
-  <OverallResults successes="814" failures="99" expectedFailures="21"/>
+  <OverallResults successes="816" failures="99" expectedFailures="21"/>
 </Catch>