fixing bugs in replacers and moving some code between files

eo/test/t-eobreeder.cpp

@@ -58,6 +58,7 @@ main()
 
   breeder(pop);
 
+  // reevaluation of fitness 
   for_each(pop.begin(), pop.end(), binary_value);
 
   cout << "new population:" << endl;

eo/test/t-eofitness.cpp

@@ -3,6 +3,8 @@
 // (c) GeNeura Team 1998
 //-----------------------------------------------------------------------------
 
+#include <time.h>    // time
+#include <stdlib.h>  // srand, rand
 #include <iostream>  // cout
 #include <eo>        // eoFitness
 
@@ -11,6 +13,9 @@
 class eoFloat: public eoFitness
 {
 public:
+  eoFloat(const float x) { fitness = x; }
+  eoFloat(const int x) { fitness = static_cast<float>(x); }
+
   bool operator<(const eoFitness& other) const
     {
       const eoFloat& x = (const eoFloat&) other;
@@ -40,8 +45,13 @@ private:
 
 main()
 {
-  eoFloat a, b;
+  srand(time(0));
 
+  eoFloat a = static_cast<float>(rand()) / RAND_MAX, 
+    b = static_cast<float>(rand()) / RAND_MAX;
+
+  cout.precision(2);
+  
   unsigned repeat = 2;
   while (repeat--)
     {
@@ -62,7 +72,7 @@ main()
       if (a == b)
 	cout << a << " == " << b << " is true" << endl;
       else
-	cout << a << " == " << b << " is false" <<endl; 
+	cout << a << " == " << b << " is false" <<endl;
       
       cout << "testing !=   ";
       if (a != b)

eo/test/t-eoinsertion.cpp

@@ -43,7 +43,7 @@ main()
       
       for (unsigned POP2_SIZE = 4; POP2_SIZE <=6; POP2_SIZE++)
 	{
-	  eoPop<Chrom> pop2, pop3, pop4, pop5;
+	  eoPop<Chrom> pop2, pop3, pop4, pop5, popx;
 	 	
 	  for (i = 0; i < POP2_SIZE; i++)
 	    {
@@ -68,16 +68,19 @@ main()
 	    }
 	
 	  eoInsertion<Chrom> insertion(0.75);
+	  popx = pop;
 	  pop3 = pop2;
-	  insertion(pop, pop3); 
+	  insertion(popx, pop3);
 	  
-	  eoInsertion<Chrom> insertion2; 
+	  eoInsertion<Chrom> insertion2;
+	  popx = pop; 
 	  pop4 = pop2;
-	  insertion2(pop, pop4); 
+	  insertion2(popx, pop4); 
 	  
 	  eoInsertion<Chrom> insertion3(1.5);
+	  popx = pop;
 	  pop5 = pop2;
-	  insertion3(pop, pop5); 
+	  insertion3(popx, pop5); 
 	  
 	  cout << endl
 	       << "0.75 \t\t1.0 \t\t1.5" << endl