minor cleanup of code and docs,

resolve some compiler warnings

eo/test/t-eoCMAES.cpp

@@ -43,8 +43,8 @@ double f_sphere(const vector<double>& values) {
 
 double f_rosen(const vector<double>& x) {
     double sum =0.0;
-    
-    for (int i = 0; i < x.size()-1; ++i) {
+
+    for (unsigned i = 0; i < x.size()-1; ++i) {
 	sum += 100 * sqr(sqr(x[i])-x[i+1]) + sqr(1.-x[i]);
     }
     ++evals.value();
@@ -54,23 +54,23 @@ double f_rosen(const vector<double>& x) {
 
 
 int main(int argc, char* argv[]) {
-    
-    // make sure we have a dimensionality parameter (for testing) 
+
+    // make sure we have a dimensionality parameter (for testing)
     char** rargv = new char*[argc+1];
     rargv[0] = argv[0];
     rargv[1] = "-N10";
     for (int i = 2; i < argc; ++i) {
 	rargv[i] = argv[i-1];
     }
-    
+
     eoParser parser(argc+1, rargv);
-    
+
     CMAParams params(parser);
 
     vector<double> initial_point(params.n, 0.0);
-    
+
     CMAState state(params, initial_point);
-    
+
     if (parser.userNeedsHelp())
     {
 	parser.printHelp(std::cout);
@@ -78,48 +78,48 @@ int main(int argc, char* argv[]) {
     }
 
     eoCMAInit<FitT> init(state);
-    
+
     eoPop<EoType> pop(params.mu, init);
-    
+
     eoEvalFuncPtr<EoType, double, const vector<double>&> eval(  f_rosen );
-    
+
     eoCMABreed<FitT> breed(state, params.lambda);
 
     for (unsigned i = 0; i < pop.size(); ++i) {
 	eval(pop[i]);
     }
-    
+
     eoCommaReplacement<EoType> comma;
-     
+
     eoGenContinue<EoType> gen(params.maxgen);
     eoFitContinue<EoType> fit(1e-10);
 
     eoCheckPoint<EoType> checkpoint(gen);
     checkpoint.add(fit);
-   
+
     eoBestFitnessStat<EoType> stat;
 
     eoStdoutMonitor mon;
     mon.add(stat);
     mon.add(evals);
-    
+
     eoTimedMonitor timed(1);// 1 seconds
     timed.add(mon); // wrap it
-    
+
     checkpoint.add(timed);
     checkpoint.add(stat);
-    
+
     eoEasyEA<EoType> algo(
 	    checkpoint,
 	    eval,
 	    breed,
 	    comma);
-    
-    
+
+
     algo(pop);
     pop.sort();
-    
-    cout << pop[0] << endl; 
+
+    cout << pop[0] << endl;
     cout << "Fitness achieved = " << pop[0].fitness() << endl;
     cout << "Function evaluations = " << evals.value() << endl;
 }