int main(int argc,char *argv[]) {
int i;
int order=4;
int bit=0;
int max;
float inp[64];
float out;
float val;
int cnt=0;
float b=0.5;
float m=0.2;
float e;
struct NNet *net=NULL;
int node[3];
char *info={"Symmetry Network"};
srandom(time(NULL));
node[0]=order;
node[1]=order;
node[2]=1;
net=NNetMakeNet(3,info,node,NNetSigActv,NNetSigDactv);
NNetRndNet(net);
max=2<<(order-1);
for (cnt=0;cnt<MAX;cnt++) {
e=0;
for (bit=0;bit<max;bit++) {
for (i=0;i<order;i++) if (bit & (2<<i)) inp[i]=1;
else inp[i]=0;
for (i=0;i<(order/2);i++) if (inp[i] !=inp[order-1-i]) break;
if (i<(order/2)) out=0;
else out=1;
NNetSetInput(net,inp);
NNetForward(net);
e+=NNetCalcError(net,&out);
NNetBackward(net,&out,b,m,3);
}
fprintf(stdout,"Cycle=%.4d Mean Error=%g\n",cnt,e/16);
}
fprintf(stdout,"Result:\n");
for (bit=0;bit<max;bit++) {
for (i=0;i<order;i++) if (bit & (2<<i)) inp[i]=1;
else inp[i]=0;
for (i=0;i<(order/2);i++) if (inp[i] !=inp[order-1-i]) break;
if (i<(order/2)) out=0;
else out=1;
NNetSetInput(net,inp);
NNetForward(net);
NNetOutputValue(net,&val);
fprintf(stdout,"%.2d:",bit);
for (i=0;i<order;i++) if (bit & (2<<i)) fprintf(stdout,"1");
else fprintf(stdout,"0");
fprintf(stdout," %g %g",out,val);
fprintf(stdout,"\n");
}
return 0;
}
int main(int argc,char *argv[]) {
int i,c;
int order=5;
int bit=0;
int max;
float inp[64];
float out;
int cnt=0;
float b=0.5;
float m=0.2;
float e;
struct NNet *net=NULL;
int node[3];
char *info={"Parity Network"};
srandom(time(NULL));
node[0]=order;
node[1]=order;
node[2]=1;
net=NNetMakeNet(3,info,node,NNetSigActv,NNetSigDactv);
NNetRndNet(net);
max=2<<(order-1);
for (cnt=0;cnt<MAX;cnt++) {
e=0;
for (bit=0;bit<max;bit++) {
for (i=0;i<order;i++) if (bit & (2<<i)) inp[i]=1;
else inp[i]=0;
c=0;
for (i=0;i<order;i++) if (inp[i] !=0) c++;
out=(float) (c % 2);
NNetSetInput(net,inp);
NNetForward(net);
e+=NNetCalcError(net,&out);
NNetBackward(net,&out,b,m,3);
}
fprintf(stdout,"Cycle=%.4d Mean Error=%g\n",cnt,e/16);
}
NNetFreeNet(net);
return 0;
}
