From 3738d0b2c6bc4ffddc12dd73850a48d996197332 Mon Sep 17 00:00:00 2001
From: Tiago Gomes <tgomes@fc.up.pt>
Date: Thu, 7 Feb 2013 22:37:45 +0000
Subject: [PATCH] Move some things around. No functional changes

---
 packages/CLPBN/horus/BeliefProp.h       | 30 +++++++---------
 packages/CLPBN/horus/ConstraintTree.cpp |  3 +-
 packages/CLPBN/horus/ConstraintTree.h   | 37 +++++++++-----------
 packages/CLPBN/horus/FactorGraph.h      | 19 +++++-----
 packages/CLPBN/horus/Histogram.cpp      |  3 +-
 packages/CLPBN/horus/Histogram.h        |  4 +--
 packages/CLPBN/horus/Indexer.h          |  8 ++---
 packages/CLPBN/horus/LiftedUtils.cpp    | 15 +++++---
 packages/CLPBN/horus/LiftedUtils.h      | 37 ++++++++++----------
 packages/CLPBN/horus/LiftedWCNF.cpp     |  6 ++--
 packages/CLPBN/horus/LiftedWCNF.h       | 46 ++++++++++++-------------
 packages/CLPBN/horus/ProbFormula.cpp    |  9 +++--
 packages/CLPBN/horus/ProbFormula.h      | 10 +++---
 packages/CLPBN/horus/TinySet.h          | 10 +++---
 14 files changed, 118 insertions(+), 119 deletions(-)

diff --git a/packages/CLPBN/horus/BeliefProp.h b/packages/CLPBN/horus/BeliefProp.h
index 06ecc2380..77783069f 100644
--- a/packages/CLPBN/horus/BeliefProp.h
+++ b/packages/CLPBN/horus/BeliefProp.h
@@ -100,6 +100,14 @@ class BeliefProp : public GroundSolver
     static void setMsgSchedule (MsgSchedule sch) { schedule_ = sch; }
 
   protected:
+    struct CmpResidual {
+      bool operator() (const BpLink* l1, const BpLink* l2) {
+        return l1->residual() > l2->residual();
+    }};
+
+    typedef std::multiset<BpLink*, CmpResidual> SortedOrder;
+    typedef std::unordered_map<BpLink*, SortedOrder::iterator> BpLinkMap;
+
     SPNodeInfo* ninf (const VarNode* var) const;
 
     SPNodeInfo* ninf (const FacNode* fac) const;
@@ -110,14 +118,6 @@ class BeliefProp : public GroundSolver
 
     void updateMessage (BpLink* link);
 
-    struct CompareResidual
-    {
-      inline bool operator() (const BpLink* link1, const BpLink* link2)
-      {
-        return link1->residual() > link2->residual();
-      }
-    };
-
     void runSolver (void);
 
     virtual void createLinks (void);
@@ -135,16 +135,12 @@ class BeliefProp : public GroundSolver
     std::vector<SPNodeInfo*>  varsI_;
     std::vector<SPNodeInfo*>  facsI_;
     bool                      runned_;
+    SortedOrder               sortedOrder_;
+    BpLinkMap                 linkMap_;
 
-    typedef std::multiset<BpLink*, CompareResidual> SortedOrder;
-    SortedOrder sortedOrder_;
-
-    typedef std::unordered_map<BpLink*, SortedOrder::iterator> BpLinkMap;
-    BpLinkMap linkMap_;
-
-    static double       accuracy_;
-    static unsigned     maxIter_;
-    static MsgSchedule  schedule_;
+    static double             accuracy_;
+    static unsigned           maxIter_;
+    static MsgSchedule        schedule_;
 
   private:
     void initializeSolver (void);
diff --git a/packages/CLPBN/horus/ConstraintTree.cpp b/packages/CLPBN/horus/ConstraintTree.cpp
index f5a36ec1c..fa4797add 100644
--- a/packages/CLPBN/horus/ConstraintTree.cpp
+++ b/packages/CLPBN/horus/ConstraintTree.cpp
@@ -145,7 +145,8 @@ CTNode::deleteSubtree (CTNode* n)
 
 
 
-std::ostream& operator<< (std::ostream &out, const CTNode& n)
+std::ostream&
+operator<< (std::ostream& out, const CTNode& n)
 {
   out << "(" << n.level() << ") " ;
   out << n.symbol();
diff --git a/packages/CLPBN/horus/ConstraintTree.h b/packages/CLPBN/horus/ConstraintTree.h
index 1c0173dc5..c2970aeff 100644
--- a/packages/CLPBN/horus/ConstraintTree.h
+++ b/packages/CLPBN/horus/ConstraintTree.h
@@ -13,31 +13,28 @@
 
 
 class CTNode;
-typedef std::vector<CTNode*> CTNodes;
-
 class ConstraintTree;
+
+
+typedef std::vector<CTNode*> CTNodes;
 typedef std::vector<ConstraintTree*> ConstraintTrees;
 
 
 class CTNode
 {
-  public:
-    struct CompareSymbol
-    {
-      bool operator() (const CTNode* n1, const CTNode* n2) const
-      {
-        return n1->symbol() < n2->symbol();
-      }
-    };
-
   private:
-    typedef TinySet<CTNode*, CompareSymbol> CTChilds_;
+    struct CmpSymbol {
+      bool operator() (const CTNode* n1, const CTNode* n2) const {
+        return n1->symbol() < n2->symbol();
+    }};
 
   public:
-    CTNode (const CTNode& n, const CTChilds_& chs = CTChilds_()) 
+    typedef TinySet<CTNode*, CmpSymbol> CTChilds;
+
+    CTNode (const CTNode& n, const CTChilds& chs = CTChilds()) 
         : symbol_(n.symbol()), childs_(chs), level_(n.level()) { }
 
-    CTNode (Symbol s, unsigned l, const CTChilds_& chs = CTChilds_())
+    CTNode (Symbol s, unsigned l, const CTChilds& chs = CTChilds())
         : symbol_(s), childs_(chs), level_(l) { }
 
     unsigned level (void) const { return level_; }
@@ -48,9 +45,9 @@ class CTNode
 
     void setSymbol (const Symbol s) { symbol_ = s; }
 
-    CTChilds_& childs (void) { return childs_; }
+    CTChilds& childs (void) { return childs_; }
 
-    const CTChilds_& childs (void) const { return childs_; }
+    const CTChilds& childs (void) const { return childs_; }
 
     size_t nrChilds (void) const { return childs_.size(); }
 
@@ -58,7 +55,7 @@ class CTNode
 
     bool isLeaf (void) const { return childs_.empty(); }
 
-    CTChilds_::iterator findSymbol (Symbol symb);
+    CTChilds::iterator findSymbol (Symbol symb);
 
     void mergeSubtree (CTNode*, bool = true);
 
@@ -80,14 +77,14 @@ class CTNode
     void updateChildLevels (CTNode*, unsigned);
 
     Symbol     symbol_;
-    CTChilds_  childs_;
+    CTChilds  childs_;
     unsigned   level_;
 
     DISALLOW_ASSIGN (CTNode);
 };
 
 
-typedef TinySet<CTNode*, CTNode::CompareSymbol> CTChilds;
+typedef CTNode::CTChilds CTChilds;
 
 
 inline CTChilds::iterator
@@ -98,7 +95,7 @@ CTNode::findSymbol (Symbol symb)
 }
 
 
-std::ostream& operator<< (std::ostream &out, const CTNode&);
+std::ostream& operator<< (std::ostream&, const CTNode&);
 
 
 class ConstraintTree
diff --git a/packages/CLPBN/horus/FactorGraph.h b/packages/CLPBN/horus/FactorGraph.h
index 11c26b767..f829ecd1e 100644
--- a/packages/CLPBN/horus/FactorGraph.h
+++ b/packages/CLPBN/horus/FactorGraph.h
@@ -135,6 +135,8 @@ class FactorGraph
     static void disablePrintFactorGraph (void) { printFg_ = false; }
 
   private:
+    typedef std::unordered_map<unsigned, VarNode*> VarMap;
+
     void ignoreLines (std::ifstream&) const;
 
     bool containsCycle (void) const;
@@ -145,19 +147,16 @@ class FactorGraph
     bool containsCycle (const FacNode*, const VarNode*,
         std::vector<bool>&, std::vector<bool>&) const;
 
-    VarNodes  varNodes_;
-    FacNodes  facNodes_;
-
+    VarNodes        varNodes_;
+    FacNodes        facNodes_;
+    VarMap          varMap_;
     BayesBallGraph  structure_;
     bool            bayesFactors_;
 
-    typedef std::unordered_map<unsigned, VarNode*> VarMap;
-    VarMap varMap_;
-
-    static bool exportLd_;
-    static bool exportUai_;
-    static bool exportGv_;
-    static bool printFg_;
+    static bool     exportLd_;
+    static bool     exportUai_;
+    static bool     exportGv_;
+    static bool     printFg_;
 
     DISALLOW_ASSIGN (FactorGraph);
 };
diff --git a/packages/CLPBN/horus/Histogram.cpp b/packages/CLPBN/horus/Histogram.cpp
index 0a324fc69..23540a68c 100644
--- a/packages/CLPBN/horus/Histogram.cpp
+++ b/packages/CLPBN/horus/Histogram.cpp
@@ -138,7 +138,8 @@ HistogramSet::clearAfter (size_t idx)
 
 
 
-std::ostream& operator<< (std::ostream &os, const HistogramSet& hs)
+std::ostream&
+operator<< (std::ostream& os, const HistogramSet& hs)
 {
   os << "#" << hs.hist_;
   return os;
diff --git a/packages/CLPBN/horus/Histogram.h b/packages/CLPBN/horus/Histogram.h
index 16044e487..2129fcdbb 100644
--- a/packages/CLPBN/horus/Histogram.h
+++ b/packages/CLPBN/horus/Histogram.h
@@ -36,11 +36,11 @@ class HistogramSet
 
     void clearAfter (size_t);
 
+    friend std::ostream& operator<< (std::ostream&, const HistogramSet&);
+
     unsigned   size_;
     Histogram  hist_;
 
-    friend std::ostream& operator<< (std::ostream &os, const HistogramSet& hs);
-
     DISALLOW_COPY_AND_ASSIGN (HistogramSet);
 };
 
diff --git a/packages/CLPBN/horus/Indexer.h b/packages/CLPBN/horus/Indexer.h
index f85b86b22..7f2e82c70 100644
--- a/packages/CLPBN/horus/Indexer.h
+++ b/packages/CLPBN/horus/Indexer.h
@@ -38,14 +38,14 @@ class Indexer
   private:
     void calculateOffsets (void);
 
+    friend std::ostream& operator<< (std::ostream&, const Indexer&);
+
     size_t               index_;
     Ranges               indices_;
     const Ranges&        ranges_;
     size_t               size_;
     std::vector<size_t>  offsets_;
 
-    friend std::ostream& operator<< (std::ostream&, const Indexer&);
-
     DISALLOW_COPY_AND_ASSIGN (Indexer);
 };
 
@@ -223,14 +223,14 @@ class MapIndexer
     void reset (void);
 
   private:
+    friend std::ostream& operator<< (std::ostream&, const MapIndexer&);
+
     size_t               index_;
     Ranges               indices_;
     const Ranges&        ranges_;
     bool                 valid_;
     std::vector<size_t>  offsets_;
 
-    friend std::ostream& operator<< (std::ostream&, const MapIndexer&);
-
     DISALLOW_COPY_AND_ASSIGN (MapIndexer);
 };
 
diff --git a/packages/CLPBN/horus/LiftedUtils.cpp b/packages/CLPBN/horus/LiftedUtils.cpp
index 2527bd266..6b839055c 100644
--- a/packages/CLPBN/horus/LiftedUtils.cpp
+++ b/packages/CLPBN/horus/LiftedUtils.cpp
@@ -40,7 +40,8 @@ printSymbolDictionary (void)
 
 
 
-std::ostream& operator<< (std::ostream &os, const Symbol& s)
+std::ostream&
+operator<< (std::ostream& os, const Symbol& s)
 {
   std::unordered_map<std::string, unsigned>::const_iterator it
       = LiftedUtils::symbolDict.begin();
@@ -54,7 +55,8 @@ std::ostream& operator<< (std::ostream &os, const Symbol& s)
 
 
 
-std::ostream& operator<< (std::ostream &os, const LogVar& X)
+std::ostream&
+operator<< (std::ostream& os, const LogVar& X)
 {
   const std::string labels[] = {
       "A", "B", "C", "D", "E", "F",
@@ -65,7 +67,8 @@ std::ostream& operator<< (std::ostream &os, const LogVar& X)
 
 
 
-std::ostream& operator<< (std::ostream &os, const Tuple& t)
+std::ostream&
+operator<< (std::ostream& os, const Tuple& t)
 {
   os << "(" ;
   for (size_t i = 0; i < t.size(); i++) {
@@ -77,7 +80,8 @@ std::ostream& operator<< (std::ostream &os, const Tuple& t)
 
 
 
-std::ostream& operator<< (std::ostream &os, const Ground& gr)
+std::ostream&
+operator<< (std::ostream& os, const Ground& gr)
 {
   os << gr.functor();
   os << "(" ;
@@ -111,7 +115,8 @@ Substitution::getDiscardedLogVars (void) const
 
 
 
-std::ostream& operator<< (std::ostream &os, const Substitution& theta)
+std::ostream&
+operator<< (std::ostream& os, const Substitution& theta)
 {
   std::unordered_map<LogVar, LogVar>::const_iterator it;
   os << "[" ;
diff --git a/packages/CLPBN/horus/LiftedUtils.h b/packages/CLPBN/horus/LiftedUtils.h
index 3cc734b2f..02c9cdf72 100644
--- a/packages/CLPBN/horus/LiftedUtils.h
+++ b/packages/CLPBN/horus/LiftedUtils.h
@@ -24,9 +24,9 @@ class Symbol
     static Symbol invalid (void) { return Symbol(); }
 
   private:
-    unsigned id_;
+    friend std::ostream& operator<< (std::ostream&, const Symbol&);
 
-    friend std::ostream& operator<< (std::ostream &os, const Symbol& s);
+    unsigned id_;
 };
 
 
@@ -44,9 +44,9 @@ class LogVar
     bool valid (void) const;
 
   private:
-    unsigned id_;
+    friend std::ostream& operator<< (std::ostream&, const LogVar&);
 
-    friend std::ostream& operator<< (std::ostream &os, const LogVar& X);
+    unsigned id_;
 };
 
 
@@ -86,16 +86,16 @@ template <> struct hash<LogVar> {
 };
 
 
-typedef std::vector<Symbol>   Symbols;
-typedef std::vector<Symbol>   Tuple;
-typedef std::vector<Tuple>    Tuples;
-typedef std::vector<LogVar>   LogVars;
-typedef TinySet<Symbol>       SymbolSet;
-typedef TinySet<LogVar>       LogVarSet;
-typedef TinySet<Tuple>        TupleSet;
+typedef std::vector<Symbol>  Symbols;
+typedef std::vector<Symbol>  Tuple;
+typedef std::vector<Tuple>   Tuples;
+typedef std::vector<LogVar>  LogVars;
+typedef TinySet<Symbol>      SymbolSet;
+typedef TinySet<LogVar>      LogVarSet;
+typedef TinySet<Tuple>       TupleSet;
 
 
-std::ostream& operator<< (std::ostream &os, const Tuple& t);
+std::ostream& operator<< (std::ostream&, const Tuple&);
 
 
 namespace LiftedUtils {
@@ -113,7 +113,8 @@ class Ground
   public:
     Ground (Symbol f) : functor_(f) { }
 
-    Ground (Symbol f, const Symbols& args) : functor_(f), args_(args) { }
+    Ground (Symbol f, const Symbols& args)
+        : functor_(f), args_(args) { }
 
     Symbol functor (void) const { return functor_; }
 
@@ -124,10 +125,10 @@ class Ground
     bool isAtom (void) const { return args_.empty(); }
 
   private:
+    friend std::ostream& operator<< (std::ostream&, const Ground&);
+
     Symbol   functor_;
     Symbols  args_;
-
-    friend std::ostream& operator<< (std::ostream &os, const Ground& gr);
 };
 
 typedef std::vector<Ground> Grounds;
@@ -150,11 +151,10 @@ class Substitution
     LogVars getDiscardedLogVars (void) const;
 
   private:
-    std::unordered_map<LogVar, LogVar> subs_;
-
     friend std::ostream& operator<< (
-        std::ostream &os, const Substitution& theta);
+        std::ostream&, const Substitution&);
 
+    std::unordered_map<LogVar, LogVar> subs_;
 };
 
 
@@ -205,6 +205,5 @@ Substitution::nrReplacements (void) const
   return subs_.size();
 }
 
-
 #endif // YAP_PACKAGES_CLPBN_HORUS_LIFTEDUTILS_H_
 
diff --git a/packages/CLPBN/horus/LiftedWCNF.cpp b/packages/CLPBN/horus/LiftedWCNF.cpp
index 8b218f50e..73f7eca8f 100644
--- a/packages/CLPBN/horus/LiftedWCNF.cpp
+++ b/packages/CLPBN/horus/LiftedWCNF.cpp
@@ -65,7 +65,7 @@ Literal::toString (
 
 
 std::ostream&
-operator<< (std::ostream &os, const Literal& lit)
+operator<< (std::ostream& os, const Literal& lit)
 {
   os << lit.toString();
   return os;
@@ -342,7 +342,7 @@ Clause::deleteClauses (Clauses& clauses)
 
 
 std::ostream&
-operator<< (std::ostream &os, const Clause& clause)
+operator<< (std::ostream& os, const Clause& clause)
 {
   for (unsigned i = 0; i < clause.literals_.size(); i++) {
     if (i != 0) os << " v " ;
@@ -374,7 +374,7 @@ Clause::getLogVarSetExcluding (size_t idx) const
 
 
 std::ostream&
-operator<< (std::ostream &os, const LitLvTypes& lit)
+operator<< (std::ostream& os, const LitLvTypes& lit)
 {
   os << lit.lid_ << "<" ;
   for (size_t i = 0; i < lit.lvTypes_.size(); i++) {
diff --git a/packages/CLPBN/horus/LiftedWCNF.h b/packages/CLPBN/horus/LiftedWCNF.h
index 35632dfbb..d0da678d8 100644
--- a/packages/CLPBN/horus/LiftedWCNF.h
+++ b/packages/CLPBN/horus/LiftedWCNF.h
@@ -54,11 +54,11 @@ class Literal
       LogVarSet negCountedLvs = LogVarSet()) const;
 
   private:
+    friend std::ostream& operator<< (std::ostream&, const Literal&);
+
     LiteralId  lid_;
     LogVars    logVars_;
     bool       negated_;
-
-    friend std::ostream& operator<< (std::ostream &os, const Literal& lit);
 };
 
 typedef std::vector<Literal> Literals;
@@ -145,14 +145,14 @@ class Clause
   private:
     LogVarSet getLogVarSetExcluding (size_t idx) const;
 
+    friend std::ostream& operator<< (std::ostream&, const Clause&);
+
     Literals        literals_;
     LogVarSet       ipgLvs_;
     LogVarSet       posCountedLvs_;
     LogVarSet       negCountedLvs_;
     ConstraintTree  constr_;
 
-    friend std::ostream& operator<< (std::ostream &os, const Clause& clause);
-
     DISALLOW_ASSIGN (Clause);
 };
 
@@ -163,22 +163,6 @@ typedef std::vector<Clause*> Clauses;
 class LitLvTypes
 {
   public:
-    struct CompareLitLvTypes
-    {
-      bool operator() (
-          const LitLvTypes& types1,
-          const LitLvTypes& types2) const
-      {
-        if (types1.lid_ < types2.lid_) {
-          return true;
-        }
-        if (types1.lid_ == types2.lid_) {
-          return types1.lvTypes_ < types2.lvTypes_;
-        }
-        return false;
-      }
-    };
-
     LitLvTypes (LiteralId lid, const LogVarTypes& lvTypes) :
         lid_(lid), lvTypes_(lvTypes) { }
 
@@ -190,13 +174,29 @@ class LitLvTypes
         std::fill (lvTypes_.begin(), lvTypes_.end(), LogVarType::FULL_LV); }
 
   private:
+    friend std::ostream& operator<< (std::ostream&, const LitLvTypes&);
+
     LiteralId    lid_;
     LogVarTypes  lvTypes_;
-
-    friend std::ostream& operator<< (std::ostream &os, const LitLvTypes& lit);
 };
 
-typedef TinySet<LitLvTypes,LitLvTypes::CompareLitLvTypes> LitLvTypesSet;
+
+
+struct CmpLitLvTypes
+{
+  bool operator() (const LitLvTypes& types1, const LitLvTypes& types2) const
+  {
+    if (types1.lid() < types2.lid()) {
+      return true;
+    }
+    if (types1.lid() == types2.lid()){
+      return types1.logVarTypes() < types2.logVarTypes();
+    }
+    return false;
+  }
+};
+
+typedef TinySet<LitLvTypes, CmpLitLvTypes> LitLvTypesSet;
 
 
 
diff --git a/packages/CLPBN/horus/ProbFormula.cpp b/packages/CLPBN/horus/ProbFormula.cpp
index f5b7933fe..76fa9a36f 100644
--- a/packages/CLPBN/horus/ProbFormula.cpp
+++ b/packages/CLPBN/horus/ProbFormula.cpp
@@ -97,7 +97,8 @@ ProbFormula::rename (LogVar oldName, LogVar newName)
 
 
 
-bool operator== (const ProbFormula& f1, const ProbFormula& f2)
+bool
+operator== (const ProbFormula& f1, const ProbFormula& f2)
 {
   return f1.group_   == f2.group_ &&
          f1.logVars_ == f2.logVars_;
@@ -105,7 +106,8 @@ bool operator== (const ProbFormula& f1, const ProbFormula& f2)
 
 
 
-std::ostream& operator<< (std::ostream &os, const ProbFormula& f)
+std::ostream&
+operator<< (std::ostream& os, const ProbFormula& f)
 {
   os << f.functor_;
   if (f.isAtom() == false) {
@@ -151,7 +153,8 @@ ObservedFormula::ObservedFormula (Symbol f, unsigned ev, const Tuple& tuple)
 
 
 
-std::ostream& operator<< (std::ostream &os, const ObservedFormula& of)
+std::ostream&
+operator<< (std::ostream& os, const ObservedFormula& of)
 {
   os << of.functor_ << "/" << of.arity_;
   os << "|" << of.constr_.tupleSet();
diff --git a/packages/CLPBN/horus/ProbFormula.h b/packages/CLPBN/horus/ProbFormula.h
index 35a9c975c..f595537d6 100644
--- a/packages/CLPBN/horus/ProbFormula.h
+++ b/packages/CLPBN/horus/ProbFormula.h
@@ -60,13 +60,13 @@ class ProbFormula
 
     static PrvGroup getNewGroup (void);
 
+  private:
     friend bool operator== (
         const ProbFormula& f1, const ProbFormula& f2);
 
     friend std::ostream& operator<< (
-        std::ostream &os, const ProbFormula& f);
+        std::ostream&, const ProbFormula&);
 
-  private:
     Symbol     functor_;
     LogVars    logVars_;
     unsigned   range_;
@@ -100,13 +100,13 @@ class ObservedFormula
     void addTuple (const Tuple& tuple) { constr_.addTuple (tuple); }
 
   private:
+    friend std::ostream& operator<< (
+        std::ostream&, const ObservedFormula&);
+
     Symbol          functor_;
     unsigned        arity_;
     unsigned        evidence_;
     ConstraintTree  constr_;
-
-    friend std::ostream& operator<< (
-        std::ostream &os, const ObservedFormula& of);
 };
 
 typedef std::vector<ObservedFormula> ObservedFormulas;
diff --git a/packages/CLPBN/horus/TinySet.h b/packages/CLPBN/horus/TinySet.h
index 0cd22685b..e21c0edeb 100644
--- a/packages/CLPBN/horus/TinySet.h
+++ b/packages/CLPBN/horus/TinySet.h
@@ -10,9 +10,8 @@ template <typename T, typename Compare = std::less<T>>
 class TinySet
 {
   public:
-
-    typedef typename std::vector<T>::iterator        iterator;
-    typedef typename std::vector<T>::const_iterator  const_iterator;
+    typedef typename std::vector<T>::iterator       iterator;
+    typedef typename std::vector<T>::const_iterator const_iterator;
 
     TinySet (const TinySet& s)
         : vec_(s.vec_), cmp_(s.cmp_) { }
@@ -90,9 +89,6 @@ class TinySet
 
     bool consistent (void) const;
 
-    std::vector<T>  vec_;
-    Compare         cmp_;
-
     friend bool operator== (const TinySet& s1, const TinySet& s2)
     {
       return s1.vec_ == s2.vec_;
@@ -114,6 +110,8 @@ class TinySet
       return out;
     }
 
+    std::vector<T>  vec_;
+    Compare         cmp_;
 };