diff --git a/eo/src/eoDetTournamentInserter.h b/eo/src/eoDetTournamentInserter.h
index c4777794..845a7b38 100644
--- a/eo/src/eoDetTournamentInserter.h
+++ b/eo/src/eoDetTournamentInserter.h
@@ -40,31 +40,32 @@
 template <class EOT>
 class eoDetTournamentInserter : public eoSteadyStateInserter<EOT> 
 {
-    public :
-
-    eoDetTournamentInserter(eoEvalFunc<EOT>& _eval, unsigned _t_size) : t_size(_t_size), eoSteadyStateInserter<EOT>(_eval)
-    {
-        if (t_size < 2)
-        { // warning, error?
-            t_size = 2;
-        }
-    }
-        
-    eoInserter<EOT>& operator()(const EOT& _eot)
-    {
-        EOT& eo = inverse_deterministic_tournament<EOT>(pop(), t_size);
-        eo = _eot; // overwrite loser of tournament
-
-        eo.invalidate(); // This line should probably be removed when all genetic operators do this themselves
-        eval(eo); // Evaluate after insert
-        return *this;
-    }
-
-    string className(void) const { return "eoDetTournamentInserter"; }
-
-    private :
-
-        unsigned t_size;
+public :
+  
+  eoDetTournamentInserter(eoEvalFunc<EOT>& _eval, unsigned _t_size): 
+    eoSteadyStateInserter<EOT>(_eval), 
+    t_size(_t_size)
+  {
+    if (t_size < 2)
+      { // warning, error?
+	t_size = 2;
+      }
+  }
+  
+  eoInserter<EOT>& operator()(const EOT& _eot)
+  {
+    EOT& eo = inverse_deterministic_tournament<EOT>(pop(), t_size);
+    eo = _eot; // overwrite loser of tournament
+    
+    eo.invalidate(); // This line should probably be removed when all genetic operators do this themselves
+    eval(eo); // Evaluate after insert
+    return *this;
+  }
+  
+  string className(void) const { return "eoDetTournamentInserter"; }
+  
+private :
+  unsigned t_size;
 };
 
 #endif
diff --git a/eo/src/eoGOpBreeder.h b/eo/src/eoGOpBreeder.h
index 8e26f77e..e4803740 100644
--- a/eo/src/eoGOpBreeder.h
+++ b/eo/src/eoGOpBreeder.h
@@ -35,14 +35,14 @@ class eoGOpBreeder: public eoMonPopOp<EOT>
    * @param pop The population to be transformed.
    */
   void operator()(eoPop<EOT>& _pop) 
-  {  
-	  int size = _pop.size();
-
+    {  
+      unsigned size = _pop.size();
+      
       for (unsigned i = 0; i < size; i++) 
-      { // and the one liner
-		opSel.selectOp()(selector.bind(_pop,size).bias(i), inserter.bind(_pop));
-      }
+	{ // and the one liner
+	  opSel.selectOp()(selector.bind(_pop,size).bias(i), inserter.bind(_pop));
 	}
+    }
   
   /// The class name.
   string className() const { return "eoGOpBreeder"; }
diff --git a/eo/src/eoGOpSelector.h b/eo/src/eoGOpSelector.h
index 27e5ad60..002c90f5 100644
--- a/eo/src/eoGOpSelector.h
+++ b/eo/src/eoGOpSelector.h
@@ -56,9 +56,9 @@ public:
   }
   
   /* 
-    Add any kind of operator to the operator mix, 
-    @param _op      operator, one of eoMonOp, eoBinOp, eoQuadraticOp or eoGeneralOp
-    @param _rate    the rate at which it should be applied, it should be a probability
+     Add any kind of operator to the operator mix, 
+     @param _op      operator, one of eoMonOp, eoBinOp, eoQuadraticOp or eoGeneralOp
+     @param _rate    the rate at which it should be applied, it should be a probability
                     
   */
   virtual ID addOp( eoOp<EOT>& _op, float _rate ); 
@@ -66,12 +66,12 @@ public:
   
   /** Retrieve the operator using its integer handle
       @param _id The id number. Should be a valid id, or an exception 
-                 will be thrown
+      will be thrown
       @return a reference of the operator corresponding to that id.
   */
   virtual eoOp<EOT>& getOp( ID _id )
   {
-	  return *operator[](_id);
+    return *operator[](_id);
   }
   
   ///
@@ -81,7 +81,7 @@ public:
   ///
   virtual eoOp<EOT>* Op()
   {
-	  return &selectOp();
+    return &selectOp();
   }
 
   /// Select an operator from the operators present here
@@ -109,70 +109,70 @@ private :
 /* Implementation of longish functions defined above */
 
 template <class EOT>
-inline eoOpSelector<EOT>::ID eoGOpSelector<EOT>::addOp( eoOp<EOT>& _op, float _arg )
+inline eoOpSelector<EOT>::ID eoGOpSelector<EOT>::addOp( eoOp<EOT>& _op, 
+							float _arg )
 {
-
-    eoGeneralOp<EOT>* op; 
-
-    if (_op.getType() == eoOp<EOT>::general) 
+  eoGeneralOp<EOT>* op; 
+  
+  if (_op.getType() == eoOp<EOT>::general) 
     {
-        op = static_cast<eoGeneralOp<EOT>*>(&_op);
+      op = static_cast<eoGeneralOp<EOT>*>(&_op);
     }
-    else
+  else
     {
-    // if it's not a general op, it's a "old" op; create a wrapped op from it
-    // and keep it on a list to delete them afterwards
-    // will use auto_ptr when they're readily available
+      // if it's not a general op, it's a "old" op; create a wrapped op from it
+      // and keep it on a list to delete them afterwards
+      // will use auto_ptr when they're readily available
+      
+      switch(_op.getType())
+	{
+	case eoOp<EOT>::unary :
+	  op=  new eoWrappedMonOp<EOT>(static_cast<eoMonOp<EOT>&>(_op));
+	  break;
+	case eoOp<EOT>::binary :
+	  op =  new eoWrappedBinOp<EOT>(static_cast<eoBinOp<EOT>&>(_op));
+	  break;
+	case eoOp<EOT>::quadratic :
+	  op =  new eoWrappedQuadraticOp<EOT>(static_cast<eoQuadraticOp<EOT>&>(_op));
+	  break;
+	}
+      ownOpList.push_back( op );
+    }
+  
+  // Now 'op' is a general operator, either because '_op' was one or 
+  // because we wrapped it in an appropriate wrapper in the code above.
 
-	switch(_op.getType())
-	  {
-    case eoOp<EOT>::unary :
-	    op=  new eoWrappedMonOp<EOT>(static_cast<eoMonOp<EOT>&>(_op));
-	    break;
-    case eoOp<EOT>::binary :
-	    op =  new eoWrappedBinOp<EOT>(static_cast<eoBinOp<EOT>&>(_op));
-        break;
-    case eoOp<EOT>::quadratic :
-         op =  new eoWrappedQuadraticOp<EOT>(static_cast<eoQuadraticOp<EOT>&>(_op));
-        break;
-	  }
-	ownOpList.push_back( op );
-      }
-
-    // Now 'op' is a general operator, either because '_op' was one or 
-    // because we wrapped it in an appropriate wrapper in the code above.
-
-    iterator result = find(begin(), end(), (eoGeneralOp<EOT>*) 0); // search for nullpointer
+  iterator result = find(begin(), end(), (eoGeneralOp<EOT>*) 0); // search for nullpointer
 	  
-    if (result == end())
-      {
-	push_back(op);
-	rates.push_back(_arg);
-	return size();
-      }
-    // else
+  if (result == end())
+    {
+      push_back(op);
+      rates.push_back(_arg);
+      return size();
+    }
+  // else
     
-    *result = op;
-    ID id = result - begin();
-    rates[id] = _arg;
-    return id;
+  *result = op;
+  ID id = result - begin();
+  rates[id] = _arg;
+  return id;
 }
 
 template <class EOT>
 inline void  eoGOpSelector<EOT>::deleteOp( ID _id )
 {
-    eoGeneralOp<EOT>* op = operator[](_id);
+  eoGeneralOp<EOT>* op = operator[](_id);
 
-    operator[](_id) = 0; 
-    rates[_id] = 0.0;
+  operator[](_id) = 0; 
+  rates[_id] = 0.0;
     
-    // check oplist and clear it there too.
+  // check oplist and clear it there too.
   
-    list< eoGeneralOp<EOT>* >::iterator it = find(ownOpList.begin(), ownOpList.end(), op);
+  list< eoGeneralOp<EOT>* >::iterator it = find(ownOpList.begin(), ownOpList.end(), op);
 
-    if(it != ownOpList.end())
+  if(it != ownOpList.end())
     {
-        ownOpList.erase(it);
+      ownOpList.erase(it);
     }
 }
   
diff --git a/eo/src/eoSequentialGOpSelector.h b/eo/src/eoSequentialGOpSelector.h
index 95716153..e77bdec7 100644
--- a/eo/src/eoSequentialGOpSelector.h
+++ b/eo/src/eoSequentialGOpSelector.h
@@ -35,29 +35,29 @@
 template <class EOT> 
 class eoSequentialGOpSel : public eoGOpSelector<EOT>
 {
-	public :
-
-        virtual ~eoSequentialGOpSel(void) {}
-        
-		virtual eoGeneralOp<EOT>& selectOp()
-		{
-            combined.clear();
-
-			for (int i = 0; i < size(); ++i)
-			{
-				if (operator[](i) == 0)
-					continue;
-
-				if (rng.flip(getRates()[i]))
-					combined.addOp(operator[](i));
-			}
-
-			return combined;
-		}		
-
-	private :
-
-	eoCombinedOp<EOT> combined;
+public :
+  
+  virtual ~eoSequentialGOpSel(void) {}
+  
+  virtual eoGeneralOp<EOT>& selectOp()
+  {
+    combined.clear();
+    
+    for (unsigned i = 0; i < size(); ++i)
+      {
+	if (operator[](i) == 0)
+	  continue;
+	
+	if (rng.flip(getRates()[i]))
+	  combined.addOp(operator[](i));
+      }
+    
+    return combined;
+  }		
+  
+private :
+  
+  eoCombinedOp<EOT> combined;
 };
 
 #endif
diff --git a/eo/src/eoSteadyStateInserter.h b/eo/src/eoSteadyStateInserter.h
index 1732c345..83ae0d57 100644
--- a/eo/src/eoSteadyStateInserter.h
+++ b/eo/src/eoSteadyStateInserter.h
@@ -40,12 +40,13 @@
 template <class EOT>
 class eoSteadyStateInserter : public eoPopInserter<EOT> 
 {
-    public :
-        eoSteadyStateInserter(eoEvalFunc<EOT>& _eval) : eval(_eval) , eoPopInserter<EOT>() {}
-
-    protected :
-
-        eoEvalFunc<EOT>& eval;
+public :
+  eoSteadyStateInserter(eoEvalFunc<EOT>& _eval): 
+    eoPopInserter<EOT>(), 
+    eval(_eval) {}
+  
+protected :
+  eoEvalFunc<EOT>& eval;
 };
 
 
diff --git a/eo/src/eoStochTournamentInserter.h b/eo/src/eoStochTournamentInserter.h
index dbd161b9..a6855605 100644
--- a/eo/src/eoStochTournamentInserter.h
+++ b/eo/src/eoStochTournamentInserter.h
@@ -41,35 +41,36 @@
 template <class EOT>
 class eoStochTournamentInserter : public eoSteadyStateInserter<EOT> 
 {
-    public :
+public :
+  
+  eoStochTournamentInserter(eoEvalFunc<EOT>& _eval, double _t_rate): 
+    eoSteadyStateInserter<EOT>(_eval), t_rate(_t_rate)
+  {
+    if (t_rate < 0.5)
+      { // warning, error?
+	t_rate = 0.55;
+      }
 
-    eoStochTournamentInserter(eoEvalFunc<EOT>& _eval, double _t_rate) : t_rate(_t_rate), eoSteadyStateInserter<EOT>(_eval) 
-    {
-        if (t_rate < 0.5)
-        { // warning, error?
-            t_rate = 0.55;
-        }
-
-        if (t_rate >= 1.0)
-        {
-            t_rate = 0.99; // 1.0 would mean deterministic tournament
-        }
-    }
+    if (t_rate >= 1.0)
+      {
+	t_rate = 0.99; // 1.0 would mean deterministic tournament
+      }
+  }
         
-    eoInserter<EOT>& operator()(const EOT& _eot)
-    {
-        EOT& eo = inverse_stochastic_tournament<EOT>(pop(), t_rate);
-        eo = _eot; // overwrite loser of tournament
+  eoInserter<EOT>& operator()(const EOT& _eot)
+  {
+    EOT& eo = inverse_stochastic_tournament<EOT>(pop(), t_rate);
+    eo = _eot; // overwrite loser of tournament
         
-        eo.invalidate();
-        eval(eo); // Evaluate after insert
-        return *this;
-    }
+    eo.invalidate();
+    eval(eo); // Evaluate after insert
+    return *this;
+  }
 
-    string className(void) const { return "eoStochTournamentInserter"; }
+  string className(void) const { return "eoStochTournamentInserter"; }
 
-    private :
-        double t_rate;
+private :
+  double t_rate;
 };
 
 #endif
diff --git a/eo/test/t-eoCheckpointing.cpp b/eo/test/t-eoCheckpointing.cpp
index 742c357a..61289047 100644
--- a/eo/test/t-eoCheckpointing.cpp
+++ b/eo/test/t-eoCheckpointing.cpp
@@ -47,7 +47,6 @@ int the_main(int argc, char **argv)
     eoParser parser(argc, argv);
       
     // Define Parameters
-    eoValueParam<unsigned>& chrom_size = parser.createParam(unsigned(2), "chrom-size", "Chromosome size");
     eoValueParam<double> rate(0.01, "mutationRatePerBit", "Initial value for mutation rate per bit"); 
     eoValueParam<double> factor(0.99, "mutationFactor", "Decrease factor for mutation rate");
     eoValueParam<uint32> seed(time(0), "seed", "Random number seed");
@@ -183,4 +182,4 @@ int main(int argc, char **argv)
     }
 
     return 1;
-}
\ No newline at end of file
+}
diff --git a/eo/test/t-eoEasyEA.cpp b/eo/test/t-eoEasyEA.cpp
index bf81e63d..7b0856b9 100644
--- a/eo/test/t-eoEasyEA.cpp
+++ b/eo/test/t-eoEasyEA.cpp
@@ -2,9 +2,10 @@
 // t-eoEasyEA.cpp
 //-----------------------------------------------------------------------------
 
+#ifndef __GNUG__
 // to avoid long name warnings
 #pragma warning(disable:4786)
-
+#endif // __GNUG__
 
 #include <eo>
 
diff --git a/eo/test/t-eoExternalEO.cpp b/eo/test/t-eoExternalEO.cpp
index d750280e..debcb1c4 100644
--- a/eo/test/t-eoExternalEO.cpp
+++ b/eo/test/t-eoExternalEO.cpp
@@ -110,7 +110,7 @@ int main()
     eoExternalBinOp<FitnessType, External> cross1(UserDefBinCrossover);
     eoExternalQuadraticOp<FitnessType, External> cross2(UserDefQuadCrossover);
 
-    eoExternalEvalFunc<FitnessType, External>   eval(UserDefEvalFunc);
+    // eoExternalEvalFunc<FitnessType, External>   eval(UserDefEvalFunc);
 
     EoType eo1 = init();
     EoType eo2 = init();
@@ -124,4 +124,4 @@ int main()
     cross2(eo1,eo2);
 
     return 1;
-};
\ No newline at end of file
+};
diff --git a/eo/test/t-eoGOpSel.cpp b/eo/test/t-eoGOpSel.cpp
index 613303f9..bd4c82f1 100644
--- a/eo/test/t-eoGOpSel.cpp
+++ b/eo/test/t-eoGOpSel.cpp
@@ -25,8 +25,10 @@
 
 //-----------------------------------------------------------------------------// 
 
+#ifndef __GNUG__
 // to avoid long name warnings
 #pragma warning(disable:4786)
+#endif // __GNUG__
 
 #include <iostream>
 
diff --git a/eo/test/t-eoStateAndParser.cpp b/eo/test/t-eoStateAndParser.cpp
index e058db3a..fad70b24 100644
--- a/eo/test/t-eoStateAndParser.cpp
+++ b/eo/test/t-eoStateAndParser.cpp
@@ -41,7 +41,6 @@ int the_main(int argc, char **argv)
     eoParser parser(argc, argv);
       
     // Define Parameters
-    eoValueParam<unsigned>& chrom_size = parser.createParam(unsigned(2), "chrom-size", "Chromosome size");
     eoValueParam<double> rate(0.01, "mutationRatePerBit", "Initial value for mutation rate per bit"); 
     eoValueParam<double> factor(0.99, "mutationFactor", "Decrease factor for mutation rate");
     eoValueParam<uint32> seed(time(0), "seed", "Random number seed");
@@ -120,4 +119,4 @@ int main(int argc, char **argv)
     }
 
     return 1;
-}
\ No newline at end of file
+}
diff --git a/eo/test/t-eobreeder.cpp b/eo/test/t-eobreeder.cpp
index 8b7fa2d7..58a2b1b4 100644
--- a/eo/test/t-eobreeder.cpp
+++ b/eo/test/t-eobreeder.cpp
@@ -24,8 +24,10 @@
 */
 //-----------------------------------------------------------------------------
 
+#ifndef __GNUG__
 // to avoid long name warnings
 #pragma warning(disable:4786)
+#endif // __GNUG__
 
 #include <ga/eoBin.h>  // eoBin, eoPop, eoBreeder
 #include <eoPop.h>
diff --git a/eo/test/t-selectOne.cpp b/eo/test/t-selectOne.cpp
index 8304c503..1125201c 100644
--- a/eo/test/t-selectOne.cpp
+++ b/eo/test/t-selectOne.cpp
@@ -24,8 +24,10 @@
 */
 //-----------------------------------------------------------------------------
 
+#ifndef __GNUG__
 // to avoid long name warnings
 #pragma warning(disable:4786)
+#endif // __GNUG__
 
 #include <ga/eoBin.h>  // eoBin, eoPop, eoBreeder
 #include <eoPop.h>