Updated documentation to give proper include file in doxygen and define a module selectors

Also added a load(stream) and save(stream) to eoState

eo/src/utils/eoFileMonitor.cpp

@@ -8,7 +8,7 @@
 
 using namespace std;
 
-void eoFileMonitor::operator()(void)
+eoMonitor& eoFileMonitor::operator()(void)
 {
     if (firsttime)
     {
@@ -53,6 +53,6 @@ void eoFileMonitor::operator()(void)
         os << ',' << (*it)->getValue();
     }
 
-    // and we're there
+    return *this;
 }
 

eo/src/utils/eoMonitor.h

@@ -45,7 +45,8 @@ public :
 
     virtual ~eoMonitor() {}
 
-    virtual void operator()(void) = 0;
+    /** Just do it! */
+    virtual eoMonitor& operator()(void) = 0;
 
     void add(const eoParam& _param) { push_back(&_param); }
 };

eo/src/utils/eoRNG.h

@@ -86,7 +86,7 @@
 #include "../eoObject.h"
 
 // TODO: check for various compilers if this is exactly 32 bits
-// Unfortunately MSVC's preprocessor does not comprehends sizeof()
+// Unfortunately MSVC's preprocessor does not comprehend sizeof()
 // so neat preprocessing tricks will not work
 
 typedef unsigned long uint32; // Compiler and platform dependent!
@@ -95,7 +95,8 @@ typedef unsigned long uint32; // Compiler and platform dependent!
 // eoRng
 //-----------------------------------------------------------------------------
 /**
-eoRng is a persitent class that uses the ``Mersenne Twister'' random number generator MT19937
+\class eoRng eoRNG.h utils/eoRNG.h
+eoRng is a persistent class that uses the ``Mersenne Twister'' random number generator MT19937
 for generating random numbers. The various member functions implement useful functions
 for evolutionary algorithms. Included are: rand(), random(), flip() and normal().
 

eo/src/utils/eoStat.h

@@ -36,6 +36,9 @@ class eoStatBase
 public :
     virtual ~eoStatBase(){}
 
+    /**
+        calculate some statistic on the population
+    */
     virtual void operator()(const eoPop<EOT>& _pop) = 0;
 };
 
@@ -44,8 +47,6 @@ class eoStat : public eoValueParam<T>, public eoStatBase<EOT>
 {
 public :
     eoStat(T _value, std::string _description) : eoValueParam<T>(_value, _description) {}
-
-    virtual void operator()(const eoPop<EOT>& _pop) = 0;
 };
 
 #include <numeric>

eo/src/utils/eoState.cpp

@@ -61,7 +61,18 @@ void eoState::registerObject(eoPersistent& registrant)
 void eoState::load(const string& _filename)
 {
     ifstream is (_filename.c_str());
+
+    if (!is)
+    {
+        string str = "Could not open file " + _filename;
+        throw runtime_error(str);
+    }
     
+    load(is);
+}
+
+void eoState::load(std::istream& is)
+{
     string str;
     string name;
 
@@ -69,7 +80,7 @@ void eoState::load(const string& _filename)
     
     if (is.fail())
     {
-        string str = "Could not open file " + _filename;
+        string str = "Error while reading stream";
         throw runtime_error(str);
     }
     
@@ -119,12 +130,17 @@ void eoState::save(const string& filename) const
 { // saves in order of insertion
     ofstream os(filename.c_str());
 
-    if (os.fail())
+    if (!os)
     {
         string msg = "Could not open file: " + filename + " for writing!";
         throw runtime_error(msg);
     }
 
+    save(os);
+}
+
+void eoState::save(std::ostream& os) const
+{ // saves in order of insertion
     for (vector<ObjectMap::iterator>::const_iterator it = creationOrder.begin(); it != creationOrder.end(); ++it)
     {
         os << "\\section{" << (*it)->first << "}\n";

eo/src/utils/eoState.h

@@ -66,12 +66,26 @@ public :
     */
     void load(const std::string& _filename);
     
+    /**
+    * Reads the file specified
+    *
+    *   @param is    the stream to load from
+    */
+    void load(std::istream& is);
+    
     /**
     * Saves the state in file specified
     *
     *   @param _filename    the name of the file to save into
     */
     void save(const std::string& _filename) const;
+    
+    /**
+    * Saves the state in file specified
+    *
+    *   @param os       the stream to save into
+    */
+    void save(std::ostream& os) const;
 
 private :
     std::string createObjectName(eoObject* obj);

eo/src/utils/selectors.h

@@ -42,6 +42,10 @@
 
 #include "eoRNG.h"
 
+/**
+\defgroup selectors
+*/
+
 template <class EOT>
 bool minimizing_fitness()
 {