init commit

backprop/synapse.cpp

@@ -0,0 +1,51 @@
+#include "synapse.h"
+
+Synapse::Synapse(const double w){
+    setWeight(w);
+}
+
+double Synapse::getWeight() const{
+    return weight;
+}
+
+void Synapse::setWeight(const double w){
+    weight =(double) w;
+}
+
+void Synapse::operator=(const double w){
+    setWeight(w);
+}
+
+
+
+Synapse& Synapse::operator =(const Synapse& s){
+    if(this!=&s){
+        setWeight(s.getWeight());
+    }
+    return *this;
+}
+
+void Synapse::setRandomWeight(){
+    //double range = SYNAPSE_WEIGHT_MAX - SYNAPSE_WEIGHT_MIN + 1;
+    double range = SYNAPSE_WEIGHT_MAX - SYNAPSE_WEIGHT_MIN;	//lau
+    double res;
+    do{
+       
+       //res = (double)(range * rand()/(RAND_MAX + 1.0)) + SYNAPSE_WEIGHT_MIN;
+       res=(double)(((rand()/2.0)/(RAND_MAX/2.0))*range)+SYNAPSE_WEIGHT_MIN;
+       
+    }while(res > SYNAPSE_WEIGHT_MAX && res < SYNAPSE_WEIGHT_MIN);
+    setWeight(res);
+}
+
+ostream & operator<<(ostream & os,const Synapse & syn){
+    os << syn.getWeight();
+    return os;
+}
+
+istream& operator>>(istream & inp,Synapse & syn){
+    double tmp;
+    inp >> tmp;
+    syn.setWeight(tmp);
+    return inp;
+}