Changeset 673 for cpp/frams/genetics/oper_fx.cpp

Timestamp:

08/19/17 02:43:11 (8 years ago)

Author:

Maciej Komosinski

Message:

Added three functions that may be useful in general

File:

• cpp/frams/genetics/oper_fx.cpp (modified) (1 diff)

cpp/frams/genetics/oper_fx.cpp

@@ -176 +176 @@
 }
 
-
 NeuroClass* GenoOperators::getRandomNeuroClass()
 {
-        SListTempl<NeuroClass*> active;
+        vector<NeuroClass*> active;
         for (int i = 0; i < Neuro::getClassCount(); i++)
-                if (Neuro::getClass(i)->genactive) active += Neuro::getClass(i);
-        if (active.size() == 0) return NULL; else return active(randomN(active.size()));
+                if (Neuro::getClass(i)->genactive)
+                        active.push_back(Neuro::getClass(i));
+        if (active.size() == 0) return NULL; else return active[randomN(active.size())];
+}
+
+int GenoOperators::getRandomNeuroClassWithOutput(const vector<NeuroClass*>& NClist)
+{
+        vector<int> allowed;
+        for (size_t i = 0; i < NClist.size(); i++)
+                if (NClist[i]->getPreferredOutput() != 0) //this NeuroClass provides output
+                        allowed.push_back(i);
+        if (allowed.size() == 0) return -1; else return allowed[randomN(allowed.size())];
+}
+
+int GenoOperators::getRandomNeuroClassWithInput(const vector<NeuroClass*>& NClist)
+{
+        vector<int> allowed;
+        for (size_t i = 0; i < NClist.size(); i++)
+                if (NClist[i]->getPreferredInputs() != 0) //this NeuroClass wants one input connection or more                  
+                        allowed.push_back(i);
+        if (allowed.size() == 0) return -1; else return allowed[randomN(allowed.size())];
+}
+
+int GenoOperators::getRandomChar(const char *choices, const char *excluded)
+{
+        int allowed_count = 0;
+        for (size_t i = 0; i < strlen(choices); i++) if (!strchrn0(excluded, choices[i])) allowed_count++;
+        if (allowed_count == 0) return -1; //no char is allowed
+        int rnd_index = randomN(allowed_count) + 1;
+        allowed_count = 0;
+        for (size_t i = 0; i < strlen(choices); i++)
+        {
+                if (!strchrn0(excluded, choices[i])) allowed_count++;
+                if (allowed_count == rnd_index) return i;
+        }
+        return -1; //never happens
 }