Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/tests/nofib/real/anna/ap_CaseOfCase2.cor

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Distributed under the MIT License.
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tree a ::= Leaf | Branch a (tree a) (tree a);

;;

et1 t =
   case t  of Leaf -> Leaf; Branch a al ar ->
     ar
   end;

et2 t =
   case t  of Leaf -> Leaf; Branch a al ar ->
   case ar of Leaf -> Leaf; Branch b bl br ->
     br
   end
   end;

et3 t =
   case t  of Leaf -> Leaf; Branch a al ar ->
   case ar of Leaf -> Leaf; Branch b bl br ->
   case br of Leaf -> Leaf; Branch c cl cr ->
     cr
   end
   end
   end;

et4 t =
   case t  of Leaf -> Leaf; Branch a al ar ->
   case ar of Leaf -> Leaf; Branch b bl br ->
   case br of Leaf -> Leaf; Branch c cl cr ->
   case cr of Leaf -> Leaf; Branch d dl dr ->
     dr
   end
   end
   end
   end;

et5 t =
   case t  of Leaf -> Leaf; Branch a al ar ->
   case ar of Leaf -> Leaf; Branch b bl br ->
   case br of Leaf -> Leaf; Branch c cl cr ->
   case cr of Leaf -> Leaf; Branch d dl dr ->
   case dr of Leaf -> Leaf; Branch e el er ->
     er
   end
   end
   end
   end
   end;
{
                           Arg  Result  Group  Total   Func   Case      Anna     Norm     Norm
   Name               Rec Points Points    Max  Nodes  Nodes  Nodes     Cost       ap       rp        
-------------------------------------------------------------------------------------------------

   _et1                no      4      4      1      5      0      1    36627   6605.2    825.65
   _et2                no      4      4      1      8      0      2    45339   8176.2   1022.0  
   _et3                no      4      4      1     11      0      3    84879   15307    1913.3
   _et4                no      4      4      1     14      0      4   302791   54604    6825
   _et5                no      4      4      1     17      0      5  1583204  285510   35689

et1  19282    55909
et2  25961    71300
et3  33522   118401 
et4  41894   344685
et5  51542  1634746
}

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