void BP::escrever(ostream & out) {
BP temp = *this;
while (!temp.empty()) {
cout << temp.front() << endl;
temp.pop();
}
}
int main()
{
Vector<Data> data;
for (int i = 0; i < 41; i++)
{
Data t;
for (int j = 0; j < 3; j++)
t.x.push_back(sample[i][j]);
t.y.push_back(sample[i][0] + sample[i][1] + sample[i][2]);
data.push_back(t);
}
BP *bp = new BP();
bp->GetData(data);
bp->Train();
while (1)
{
Vector<Type> in;
for (int i = 0; i < 3; i++)
{
Type v;
scanf("%lf", &v);
in.push_back(v);
}
Vector<Type> ou;
ou = bp->ForeCast(in);
printf("%lf\n", ou[0]);
}
return 0;
}
void gen(BP & bp) {
static bool flip=false;
if (flip)
bp.reset(new A1);
else
bp.reset(flop ? (B*)(new A2): (B*)(new A3));
flip = !flip;
}
void main(void)
{
BP B;//生成一个BP类对象B
B.Train();//开始训练
B.BP_Print();//把结果打印出来
B.After_Train_Out();//把结果保存到文件
}//end
void gen(BP & bp) {
static bool flip=false;
if (flip)
bp.reset(new A1);
else
bp.reset(new A2);
flip = !flip;
}
void BruteForceOptMatching::getMaxProbAssignments(
const BP& ia, const FactorGraph& fg, const ConnectedFactorGraph& graph,
McDArray<McVec2i>& pairs) {
for (int i = 0; i < graph.variables.size(); i++) {
McDArray<int> possibleAssignments;
getAssignmentsForVariable(graph.variables[i], possibleAssignments);
Factor belief =
ia.belief(Var(graph.variables[i], possibleAssignments.size() + 1));
float maxVal = -1 * FLT_MAX;
int maxIdx = -1;
for (int j = 0; j < possibleAssignments.size() + 1; j++) {
if (belief.get(j) > maxVal) {
maxVal = belief.get(j);
maxIdx = j;
}
}
int indexOfAssignmentInVertexList =
mapVariableAssignmentToIndexInVertexList(graph.variables[i],
maxIdx);
McVec2i pair =
McVec2i(graph.variables[i], indexOfAssignmentInVertexList);
pairs.append(pair);
}
outputSingleFactorValues(graph);
// std::vector<std::size_t> maxes= ia.findMaximum();
// vector<std::size_t>::iterator it=maxes.begin();
}
void GI_libDAI::copyLabels_MSRC(vector<std::size_t>& labels,
labelType* nodeLabels,
BP& bp,
FactorGraph& fg)
{
labelType voidLabel = classIdxToLabel[0];
labelType moutainLabel = classIdxToLabel[4161600];
labelType horseLabel = classIdxToLabel[8323328];
INFERENCE_PRINT("[gi_libDAI] copyLabels_MSRC void=%d, moutain=%d, horse=%d\n",
(int)voidLabel, (int)moutainLabel, (int)horseLabel);
int label;
int n = slice->getNbSupernodes();
for(int sid = 0; sid < n; sid++) {
label = labels[sid];
//if(lossPerLabel == 0 && label > 20) // void label
if(label == voidLabel || label == moutainLabel || label == horseLabel) {
//Factor f = bp.beliefV(sid);
Factor f = bp.belief(fg.var(sid));
double maxProb = -1;
for(int i = 0; i < (int)f.states(); i++) {
if(i != voidLabel && i != moutainLabel && i != horseLabel)
if(maxProb < f[i]) {
maxProb = f[i];
label = i;
}
}
//INFERENCE_PRINT("label=%d\n", label);
}
nodeLabels[sid] = label;
}
}
// use bp.findmaximum instead
void GI_libDAI::getLabels(BP& bp,
FactorGraph& fg,
vector<std::size_t>& labels)
{
float maxProb;
int label;
ofstream ofs("beliefs2");
ofs << "------------------------------- UNARY -------------------------------\n";
for(long sid = 0; sid < slice->getNbSupernodes(); sid++) {
Factor f = bp.belief(fg.var(sid));
maxProb = f[0];
label = 0;
ofs << sid;
for(int i=1; i < (int)param->nClasses; i++) {
ofs << " " << i << ":" << f[i];
if(f[i] > maxProb) {
maxProb = f[i];
label = i;
}
}
ofs << endl;
labels[sid] = label;
}
ofs.close();
}
int main(int argc, char **argv)
{
BP bp;
int choice;
string neg_path, pos_path, train_path, test_path, model_path;
model_path = "model.dat";
test_path = "test_data.dat";
train_path = "train_data.dat";
while( (choice=Choice()) != 0 ){
switch( choice ){
case TRAIN:
if( bp.getTrainData( train_path ) > 0 ){
bp.train(test_path);
}else{
cout<<"训练数据读入出错\n";
}
break;
case TEST:
if( bp.readWeights() == 1 ){
cout<<"Accuracy : "<< bp.test(test_path) <<endl;
}else{
cout<<"模型数据读入出错\n";
}
break;
case CONVERT:
neg_path = "pointing_neg_train.list";
pos_path = "pointing_pos_train.list";
cout<<train_path<<endl;
Convert(pos_path, neg_path, train_path);
neg_path = "pointing_neg_test.list";
pos_path = "pointing_pos_test.list";
cout<<test_path<<endl;
Convert(pos_path, neg_path, test_path);
break;
case VISUALIZE:
if( bp.readWeights() == 1 ){
bp.visualize();
}else{
cout<<"模型数据读入出错\n";
}
break;
default:
break;
}
}
return 0;
}
int main(int argc, const char * argv[]) {
BP bp;
bp.push("O rato roeu a rolha");
bp.push("Era uma vez uma certa personagem");
bp.push("Para apagar");
cout << bp << endl;
bp.eliminar("Para apagar");
cout << bp << endl;
bp.eliminar(20);
cout << bp << endl;
return 0;
}
void BruteForceOptMatching::checkAmbiguities(const BP& ia,
const FactorGraph& fg,
const ConnectedFactorGraph& graph,
McDArray<int>& ambiguities) {
for (int h = 0; h < graph.variables.size(); h++) {
McDArray<int> possibleAssignments;
getAssignmentsForVariable(graph.variables[h], possibleAssignments);
Factor belief =
ia.belief(Var(graph.variables[h], possibleAssignments.size() + 1));
float maxProb = belief.max();
int countSame = 0;
for (int k = 0; k < possibleAssignments.size() + 1; k++) {
float curProb = belief.get(k);
if (fabs(curProb - maxProb) < 0.1)
countSame++;
}
/////
cout << "\n Belief for var " << graph.variables[h] << "\n";
for (int k = 0; k < possibleAssignments.size() + 1; k++) {
float curProb = belief.get(k);
cout << curProb << " ";
}
cout << "\n";
////
if (countSame > 1) {
// oh no! We found an ambiguos assignment!
ambiguities.append(graph.variables[h]);
// print it out:
cout << "Found an ambiguous assignemnt to variable "
<< graph.variables[h] << "\n";
for (int k = 0; k < possibleAssignments.size() + 1; k++) {
float curProb = belief.get(k);
cout << curProb << " ";
}
cout << "\n";
}
}
}
void
Alifold::
fold(const ALN& aln, const std::vector<Fasta>& fa, const std::string& str, BP& bp) const
{
const uint L=aln.front().second.size();
std::string p(str);
std::replace(p.begin(), p.end(), '.', 'x');
std::replace(p.begin(), p.end(), '?', '.');
int bk = Vienna::fold_constrained;
Vienna::fold_constrained = 1;
char** seqs = alloc_aln(aln, fa);
// scaling parameters to avoid overflow
std::string res(p);
#ifdef HAVE_VIENNA20
double min_en = Vienna::alifold((const char**)seqs, &res[0]);
#else
double min_en = Vienna::alifold(seqs, &res[0]);
#endif
double kT = (Vienna::temperature+273.15)*1.98717/1000.; /* in Kcal */
Vienna::pf_scale = exp(-(1.07*min_en)/kT/L);
Vienna::free_alifold_arrays();
pair_info* pi;
#ifdef HAVE_VIENNA20
Vienna::alipf_fold((const char**)seqs, &p[0], &pi);
#else
Vienna::alipf_fold(seqs, &p[0], &pi);
#endif
bp.resize(L);
for (uint k=0; pi[k].i!=0; ++k)
if (pi[k].p>th_)
bp[pi[k].i-1].push_back(std::make_pair(pi[k].j-1, pi[k].p));
free(pi);
Vienna::free_alipf_arrays();
free_aln(seqs);
Vienna::fold_constrained = bk;
}
/**
* The specified inference algorithm is run. First, the MLN and evidence files
* are parsed and the database is filled. All evidence predicates are
* closed-world by default (this can be changed with the -o option) and all
* non-evidence predicates (query and hidden predicates) are open-world by
* default (this can be changed with the -c option, however query atoms are
* always open-world).
*/
int main(int argc, char* argv[])
{
/////////////////////////// read & prepare parameters ///////////////////////
ARGS::parse(argc, argv, &cout);
Timer timer;
double begSec = timer.time();
Array<Predicate *> queryPreds;
Array<TruthValue> queryPredValues;
ofstream resultsOut(aresultsFile);
if (!resultsOut.good())
{
cout << "ERROR: unable to open " << aresultsFile << endl;
return -1;
}
Domain* domain = NULL;
Inference* inference = NULL;
if (buildInference(inference, domain, aisQueryEvidence, queryPreds,
queryPredValues) > -1)
{
//for(int i=0;i<queryPreds.size();i++)
//{
// queryPreds[i]->print(cout,domain);
// cout<<endl;
//}
double initTime, runTime;
Timer timer1;
timer1.reset();
inference->init();
initTime = timer1.time();
timer1.reset();
// No inference, just output network
if (aoutputNetwork)
{
cout << "Writing network to file ..." << endl;
inference->printNetwork(resultsOut);
}
// Perform inference
else
{
if (adecisionInfer)
{
BP* bp = dynamic_cast<BP*>(inference);
if (bp) bp->runDecisionBP();
}
else
{
inference->infer();
}
runTime = timer1.time();
cout<<"Time-Results: Init "<<initTime<<" Run "<<runTime<<" Total "<<(initTime+runTime)<<endl;
if (aHybrid)
{
printResults(queryFile, queryPredsStr, domain, resultsOut, &queries,
inference, inference->getHState());
}
else
{
if (adecisionInfer)
{
BP* bp = dynamic_cast<BP*>(inference);
if (bp) bp->printDecisionResults(resultsOut);
}
else
{
printResults(queryFile, queryPredsStr, domain, resultsOut, &queries,
inference, inference->getState());
}
}
}
}
resultsOut.close();
if (domain) delete domain;
for (int i = 0; i < knownQueries.size(); i++)
if (knownQueries[i]) delete knownQueries[i];
if (inference) delete inference;
cout << "total time taken = ";
Timer::printTime(cout, timer.time()-begSec);
cout << endl;
}