diff --git a/src/lib/aqdiagram/graph/datapair.t2d b/src/lib/aqdiagram/graph/datapair.t2d
index 1cecf00..e6b14fb 100644
--- a/src/lib/aqdiagram/graph/datapair.t2d
+++ b/src/lib/aqdiagram/graph/datapair.t2d
@@ -22,6 +22,82 @@
         <header type="sys" loc="pre">aqdiagram/aqdg_api.h</header>
       </headers>
 
+      <inlines>
+        <inline loc="end" access="public">
+          <content>
+             $(api) double $(struct_prefix)_List_GetMinDiffX(const $(struct_type)_LIST *st);
+          </content>
+        </inline>
+
+        <inline loc="code">
+          <content>
+             double $(struct_prefix)_List_GetMinDiffX(const $(struct_type)_LIST *stList) \n
+             {                                                   \n
+               int idx=0;                                        \n
+               double diff=0.0;                                  \n
+               const $(struct_type) *dp;                         \n
+               const $(struct_type) *dpPrevious=NULL;            \n
+                                                                 \n
+               dp=$(struct_prefix)_List_First(stList);           \n
+               while(dp) {                                       \n
+                 if (idx==1)                                     \n
+                   diff=dp-&gt;valueX-dpPrevious-&gt;valueX;     \n
+                 else if (idx>1) {                               \n
+                   double newDiff;                               \n
+                                                                 \n
+                   newDiff=dp-&gt;valueX-dpPrevious-&gt;valueX;  \n
+                   if (newDiff&lt;diff)                          \n
+                     diff=newDiff;                               \n
+                 }                                               \n
+                 dpPrevious=dp;                                  \n
+                 idx++;                                          \n
+                                                                 \n
+                 dp=$(struct_prefix)_List_Next(dp);              \n
+               }                                                 \n
+               return diff;                                      \n
+             }                                                   \n
+          </content>
+        </inline>
+
+        <inline loc="end" access="public">
+          <content>
+             $(api) double $(struct_prefix)_List_GetMinDiffY(const $(struct_type)_LIST *st);
+          </content>
+        </inline>
+
+        <inline loc="code">
+          <content>
+             double $(struct_prefix)_List_GetMinDiffY(const $(struct_type)_LIST *stList) \n
+             {                                                   \n
+               int idx=0;                                        \n
+               double diff=0.0;                                  \n
+               const $(struct_type) *dp;                         \n
+               const $(struct_type) *dpPrevious=NULL;            \n
+                                                                 \n
+               dp=$(struct_prefix)_List_First(stList);           \n
+               while(dp) {                                       \n
+                 if (idx==1)                                     \n
+                   diff=dp-&gt;valueY-dpPrevious-&gt;valueY;     \n
+                 else if (idx>1) {                               \n
+                   double newDiff;                               \n
+                                                                 \n
+                   newDiff=dp-&gt;valueY-dpPrevious-&gt;valueY;  \n
+                   if (newDiff&lt;diff)                          \n
+                     diff=newDiff;                               \n
+                 }                                               \n
+                 dpPrevious=dp;                                  \n
+                 idx++;                                          \n
+                                                                 \n
+                 dp=$(struct_prefix)_List_Next(dp);              \n
+               }                                                 \n
+               return diff;                                      \n
+             }                                                   \n
+          </content>
+        </inline>
+
+      </inlines>
+
+
     </lang>
 
     <members>