Ejemplo n.º 1
0
Archivo: bacon.c Proyecto: wbhart/bacon
int main(void)
{
   ast_t * a;
   int jval;
   jit_t * jit;
   
   GC_INIT();
   GREG g;
 
   ast_init();
   sym_tab_init();
   types_init();
   scope_init();
   loc_tab_init();
   intrinsics_init();
   jit = llvm_init();
   ZZ_init(jit);
   
   yyinit(&g);

   printf("Welcome to Bacon v0.1\n\n");
   printf("> ");

   while (1)
   {
      if (!(jval = setjmp(exc)))
      {
         if (!yyparse(&g))
         {
            printf("Error parsing\n");
            abort();
         } else if (root)
         {
#if DEBUG1
            printf("\n");
            ast_print(root, 0);
#endif
            inference(root);
#if DEBUG2
            printf("\n");
            /*ast2_print(root, 0);*/
#endif
            exec_root(jit, root);
            root = NULL;
         }
      } else if (jval == 1)
         root = NULL;
      else /* jval == 2 */
         break;
      
      printf("\n> ");
   }

   llvm_cleanup(jit);
   yydeinit(&g);
    
   printf("\n");

   return 0;
}
Ejemplo n.º 2
0
double var_bayes::doc_e_step(const document &doc, suff_stats &ss, std::vector<double>& var_gamma,
                       std::vector<std::vector<double>>& phi) {

    // Estimate gamma and phi for this document and get the document log likelihood
    double likelihood = inference(doc, var_gamma, phi);

    // Update the sufficient statistics
    int topic=0;
    for(const double& val: dirichlet_expectation(var_gamma)){
        ss.alpha_ss[topic] += val;
        topic++;
    }

    int n=0;
    for(auto const& word_count : doc.wordCounts){
        for(int k=0; k<numTopics; k++){
            ss.classWord[k][word_count.first] += word_count.second * phi[n][k];
            ss.classTotal[k] += word_count.second * phi[n][k];
        }
        n++;
    }

    ss.numDocs++;

    return likelihood;
}
Ejemplo n.º 3
0
int main(int argc, char* argv[])
{
    if (argc > 1)
    {
        if (strcmp(argv[1], "est")==0)
        {
            read_params(argv[6]);
            print_params();
            em(argv[2], atoi(argv[3]), argv[4], argv[5]);
            return(0);
        }
        if (strcmp(argv[1], "inf")==0)
        {
            read_params(argv[5]);
            print_params();
            inference(argv[2], argv[3], argv[4]);
            return(0);
        }
    }
    printf("usage : ctm est <dataset> <# topics> <rand/seed/model> <dir> <settings>\n");
    printf("        ctm inf <dataset> <model-prefix> <results-prefix> <settings>\n");
    return(0);
}
Ejemplo n.º 4
0
VectorXs DenseCRF::map ( int n_iterations ) const {
	// Run inference
	MatrixXf Q = inference( n_iterations );
	// Find the map
	return currentMap( Q );
}
Ejemplo n.º 5
0
int main(int argc, char *argv[]){
    fuzzyvar *inputs = new fuzzyvar[3];

    // Membership functions for Hue
    inputs[0].nMF = 2;
    inputs[0].f = new char[2];
    inputs[0].a = new double[2];
    inputs[0].b = new double[2];
    inputs[0].c = new double[2];
    inputs[0].d = new double[2];
    inputs[0].y = new double[2];
    // Hue is red
    inputs[0].f[0] = 'n';
    inputs[0].a[0] = 6.;
    inputs[0].b[0] = 16.;
    inputs[0].c[0] = 160.;
    inputs[0].d[0] = 174.;
    // Hue is not red
    inputs[0].f[1] = 'p';
    inputs[0].a[1] = 12.;
    inputs[0].b[1] = 18.;
    inputs[0].c[1] = 156.;
    inputs[0].d[1] = 164.;


    // Membership functions for Sat
    inputs[1].nMF = 3;
    inputs[1].f = new char[3];
    inputs[1].a = new double[3];
    inputs[1].b = new double[3];
    inputs[1].c = new double[3];
    inputs[1].d = new double[3];
    inputs[1].y = new double[3];
    // Sat is achroma
    inputs[1].f[0] = 'z';
    inputs[1].a[0] = 0.05*255;
    inputs[1].b[0] = 0.2*255;
    inputs[1].c[0] = inputs[0].d[0] = 0.;
    // Sat is unstable
    inputs[1].f[1] = 'p';
    inputs[1].a[1] = 0.1*255;
    inputs[1].b[1] = 0.3*255;
    inputs[1].c[1] = 0.4*255;
    inputs[1].d[1] = 0.6*255;
    // Sat is chroma
    inputs[1].f[2] = 's';
    inputs[1].a[2] = 0.4*255;
    inputs[1].b[2] = 0.6*255;
    inputs[1].c[2] = inputs[1].d[2] = 0.;


    // Membership functions for Val
    inputs[2].nMF = 2;
    inputs[2].f = new char[2];
    inputs[2].a = new double[2];
    inputs[2].b = new double[2];
    inputs[2].c = new double[2];
    inputs[2].d = new double[2];
    inputs[2].y = new double[2];
    // Val is achroma
    inputs[2].f[0] = 'z';
    inputs[2].a[0] = 0.*255;
    inputs[2].b[0] = 0.2*255;
    inputs[2].c[0] = inputs[0].d[0] = 0.;
    // Val is chroma
    inputs[2].f[1] = 's';
    inputs[2].a[1] = 0.1*255;
    inputs[2].b[1] = 0.25*255;
    inputs[2].c[1] = inputs[2].d[1] = 0.;


    fuzzyvar output;
    // Membership functions for Grayscale output
    output.nMF = 4;
    output.f = new char[4];
    output.a = new double[4];
    output.b = new double[4];
    output.c = new double[4];
    output.d = new double[4];
    output.y = new double[4];
    // Output is 0
    output.f[0] = '0';
    output.a[0] = output.b[0] =
    output.c[0] = output.d[0] = 0.;
    // Output is low
    output.f[1] = 'z';
    output.a[1] = 0.15*255;
    output.b[1] = 0.4*255;
    output.c[1] = output.d[1] = 0.;
    // Output is md
    output.f[2] = 'p';
    output.a[2] = 0.2*255;
    output.b[2] = 0.35*255;
    output.c[2] = 0.55*255;
    output.d[2] = 0.7*255;
    // Output is high
    output.f[3] = 's';
    output.a[3] = 0.4*255;
    output.b[3] = 0.8*255;
    output.c[3] = output.d[3] = 0;

    double X[3] = {atoi(argv[1]), atoi(argv[2]), atoi(argv[3])};

    double Y = inference(inputs, output, X, 3);

    printf("\n%.2f\n", Y);

    return 0;
}
Ejemplo n.º 6
0
int main(int argc, char * argv[]) {

    if (argc < 4 || argc > 5) {
        printf("Usage: ./fastLDA docword.txt iterations num_topics [num_threads]\n");
        exit(INVALID_CALL);
    }

    num_iterations = strtol(argv[2], NULL, 10);
    if (num_iterations == 0) {
        printf("Recheck number of iterations\n");
        exit(INVALID_NUM_ITERATIONS);
    }

    K = strtol(argv[3], NULL, 10);
    if (K == 0) {
        printf("Recheck number of topics\n");
        exit(INVALID_NUM_TOPICS);
    }

    if (argc == 5) {
        _num_threads_ = strtol(argv[4], NULL, 10);
        if (_num_threads_ == 0) {
            printf("Recheck number of threads\n");
            exit(INVALID_NUM_THREADS);
        }
    } else {
        _num_threads_ = 0;
    }

    if (_num_threads_ == 0) {
        long num_processors = omp_get_num_procs();
        _num_threads_ = floor(1.2 * num_processors);
        if (_num_threads_ < MIN_NUM_THREADS) {
            _num_threads_ = MIN_NUM_THREADS;
        }
        printf("found %ld processors; set number of threads to %ld;\n", num_processors, _num_threads_);
    } else {
        printf("set number of threads to %ld;\n", _num_threads_);
    }
    printf("\n");

    start_timer();
    read_sparse_dataset(argv[1]);
    stop_timer("reading file took %.3f seconds\n");
    printf("\n");

#ifndef NDEBUG
    printf("first word (%ld unique in doc %ld): id %ld count %ld\n", num_unique_d[1], (long)1, word_d_i[1][0], count_d_i[1][0]);
    printf("last word (%ld unique in doc %ld): id %ld count %ld\n", num_unique_d[D], D, word_d_i[D][num_unique_d[D] - 1], count_d_i[D][num_unique_d[D] - 1]);
    printf("\n");
#endif

    // allocate calculation tables
    start_timer();

    if ((N_theta_d_k = (double *) malloc((D + 1) * K * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    if ((N_phi_w_k = (double *) malloc((W + 1) * K * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    N_z_k = N_phi_w_k;

    if ((C_t = (long *) malloc(_num_threads_ * sizeof(long))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    if ((rho_phi_times_C_over_C_t = (double *) malloc(_num_threads_ * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    if ((one_over_N_z_k_plus_W_times_ETA = (double *) malloc(K * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    if ((factor = (double *) malloc((count_max + 1) * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    if ((one_minus_factor = (double *) malloc((count_max + 1) * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }

    if ((N_hat_phi_t_w_k = (double **) malloc(_num_threads_ * sizeof(double *))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    for (long t = 0; t < _num_threads_; ++t) {
        if ((N_hat_phi_t_w_k[t] = (double *) malloc((W + 1) * K * sizeof(double))) == NULL) {
            printf("Out of memory\n");
            exit(OUT_OF_MEMORY);
        }
    }
    N_hat_z_t_k = N_hat_phi_t_w_k;

    if ((theta_d_k = (double *) malloc((D + 1) * K * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }
    if ((phi_w_k = (double *) malloc((W + 1) * K * sizeof(double))) == NULL) {
        printf("Out of memory\n");
        exit(OUT_OF_MEMORY);
    }

    stop_timer("memory allocation took %.3f seconds\n");

    // randomly initialize N_theta_d_k, N_phi_w_k, N_z_k
    start_timer();

    for (long t = 0; t < _num_threads_; ++t)
        memset(N_hat_phi_t_w_k[t], 0, (W + 1) * K * sizeof(double));

    #pragma omp parallel for schedule(static) num_threads(_num_threads_)
    for (long d = 1; d <= D; ++d) {
        long thread_id = omp_get_thread_num();
        unsigned long x, y, z, t;
        // TODO: random these in final version
        x=123456789, y=362436069, z=521288629, t = 0;
        for (long i = 0; i < num_unique_d[d]; ++i) {
            for (long c = 0; c < count_d_i[d][i]; ++c) {
                x ^= x << 16; x ^= x >> 5; x ^= x << 1;
                t = x; x = y; y = z; z = t ^ x ^ y;
                long k = z % K;
                N_theta_d_k(d, k) += 1;
                N_hat_phi_t_w_k(thread_id, word_d_i[d][i], k) += 1;
                N_hat_z_t_k(thread_id, k) += 1;
            }
        }
    }

    #pragma omp parallel for schedule(static) num_threads(_num_threads_)
    for (long k = 0; k < K; ++k) {
        for (long w = 1; w <= W; ++w) {
            double sum_N_phi = 0;
            for (long t = 0; t < _num_threads_; ++t) {
                sum_N_phi += N_hat_phi_t_w_k(t, w, k);
            }
            N_phi_w_k(w, k) = sum_N_phi;
        }
        double sum_N_z = 0;
        for (long t = 0; t < _num_threads_; ++t) {
            sum_N_z += N_hat_z_t_k(t, k);
        }
        N_z_k(k) = sum_N_z;
    }

    stop_timer("random initialization took %.3f seconds\n");

#ifndef NDEBUG
    double sum = 0;
    for (long k = 0; k < K; ++k) {
        sum += N_z_k(k);
    }
    printf("sum(N_z_k): %.0f (should be equal to C)\n", sum);
#endif

    printf("\n");

#ifdef REPORT_PERPLEXITY
    printf("calculate initial perplexity:\n");

    start_timer();
    calculate_theta_phi();
    stop_timer("theta and phi calculation took %.3f seconds\n");

    start_timer();
    calculate_perplexity();
    stop_timer("perplexity calculation took %.3f seconds\n");
    printf("\n");
#endif

    // for each iteration
    for (long iteration_idx = 1; iteration_idx <= num_iterations; ++iteration_idx) {
        printf("iteration %ld:\n", iteration_idx);

        start_timer();
        inference(iteration_idx);
        stop_timer("inference took %.3f seconds\n");

#ifdef REPORT_PERPLEXITY
        start_timer();
        calculate_theta_phi();
        stop_timer("theta and phi calculation took %.3f seconds\n");

        start_timer();
        calculate_perplexity();
        stop_timer("perplexity calculation took %.3f seconds\n");
#endif

        printf("\n");
    }

    start_timer();
    calculate_theta_phi();
    stop_timer("theta and phi calculation took %.3f seconds\n");

    start_timer();
    calculate_topic();
    stop_timer("topic calculation took %.3f seconds\n");

    start_timer();
    output();
    stop_timer("writing files took %.3f seconds\n");

    return 0;
}
Ejemplo n.º 7
0
std::unique_ptr<Builder> ConfigParser::getBuilder(
        Json::Value json,
        std::shared_ptr<arbiter::Arbiter> arbiter)
{
    if (!arbiter) arbiter = std::make_shared<arbiter::Arbiter>();

    const bool verbose(json["verbose"].asBool());

    const Json::Value d(defaults());
    for (const auto& k : d.getMemberNames())
    {
        if (!json.isMember(k)) json[k] = d[k];
    }

    const std::string outPath(json["output"].asString());
    const std::string tmpPath(json["tmp"].asString());
    const std::size_t threads(json["threads"].asUInt64());

    normalizeInput(json, *arbiter);
    auto fileInfo(extract<FileInfo>(json["input"]));

    if (!json["force"].asBool())
    {
        auto builder = tryGetExisting(
                json,
                *arbiter,
                outPath,
                tmpPath,
                threads);

        if (builder)
        {
            if (verbose) builder->verbose(true);

            // If we have more paths to add, add them to the manifest.
            // Otherwise we might be continuing a partial build, in which case
            // the paths to be built are already outstanding in the manifest.
            //
            // It's plausible that the input field could be empty to continue
            // a previous build.
            if (json["input"].isArray()) builder->append(fileInfo);
            return builder;
        }
    }

    const bool compress(json["compress"].asUInt64());
    const bool trustHeaders(json["trustHeaders"].asBool());
    auto cesiumSettings(getCesiumSettings(json["formats"]));
    bool absolute(json["absolute"].asBool());

    if (cesiumSettings)
    {
        absolute = true;
        json["reprojection"]["out"] = "EPSG:4978";
    }

    auto reprojection(maybeCreate<Reprojection>(json["reprojection"]));

    std::unique_ptr<std::vector<double>> transformation;
    std::unique_ptr<Delta> delta;
    if (!absolute && Delta::existsIn(json)) delta = makeUnique<Delta>(json);

    // If we're building from an inference, then we already have these.  A user
    // could have also pre-supplied them in the config.
    //
    // Either way, these three values are prerequisites for building, so if
    // we're missing any we'll need to infer them from the files.
    std::size_t numPointsHint(json["numPointsHint"].asUInt64());
    auto boundsConforming(maybeCreate<Bounds>(json["bounds"]));
    auto schema(maybeCreate<Schema>(json["schema"]));

    const bool needsInference(!boundsConforming || !schema || !numPointsHint);

    if (needsInference)
    {
        if (verbose)
        {
            std::cout << "Performing dataset inference..." << std::endl;
        }

        Inference inference(
                fileInfo,
                reprojection.get(),
                trustHeaders,
                !absolute,
                tmpPath,
                threads,
                verbose,
                !!cesiumSettings,
                arbiter.get());

        inference.go();

        // Overwrite our initial fileInfo with the inferred version, which
        // contains details for each file instead of just paths.
        fileInfo = inference.fileInfo();

        if (!absolute && inference.delta())
        {
            if (!delta) delta = makeUnique<Delta>();

            if (!json.isMember("scale"))
            {
                delta->scale() = inference.delta()->scale();
            }

            if (!json.isMember("offset"))
            {
                delta->offset() = inference.delta()->offset();
            }
        }

        if (!boundsConforming)
        {
            boundsConforming = makeUnique<Bounds>(inference.bounds());

            if (verbose)
            {
                std::cout << "Inferred: " << inference.bounds() << std::endl;
            }
        }

        if (!schema)
        {
            auto dims(inference.schema().dims());
            if (delta)
            {
                const Bounds cube(
                        Metadata::makeScaledCube(
                            *boundsConforming,
                            delta.get()));
                dims = Schema::deltify(cube, *delta, inference.schema()).dims();
            }

            const std::size_t pointIdSize([&fileInfo]()
            {
                std::size_t max(0);
                for (const auto& f : fileInfo)
                {
                    max = std::max(max, f.numPoints());
                }

                if (max <= std::numeric_limits<uint32_t>::max()) return 4;
                else return 8;
            }());

            const std::size_t originSize([&fileInfo]()
            {
                if (fileInfo.size() <= std::numeric_limits<uint32_t>::max())
                    return 4;
                else
                    return 8;
            }());

            dims.emplace_back("OriginId", "unsigned", originSize);
            dims.emplace_back("PointId", "unsigned", pointIdSize);

            schema = makeUnique<Schema>(dims);
        }

        if (!numPointsHint) numPointsHint = inference.numPoints();

        if (const std::vector<double>* t = inference.transformation())
        {
            transformation = makeUnique<std::vector<double>>(*t);
        }
    }

    auto subset(maybeAccommodateSubset(json, *boundsConforming, delta.get()));

    json["numPointsHint"] = static_cast<Json::UInt64>(numPointsHint);
    Structure structure(json);
    Structure hierarchyStructure(Hierarchy::structure(structure, subset.get()));
    const HierarchyCompression hierarchyCompression(
            compress ? HierarchyCompression::Lzma : HierarchyCompression::None);

    const auto ep(arbiter->getEndpoint(json["output"].asString()));
    const Manifest manifest(fileInfo, ep);

    const Metadata metadata(
            *boundsConforming,
            *schema,
            structure,
            hierarchyStructure,
            manifest,
            trustHeaders,
            compress,
            hierarchyCompression,
            reprojection.get(),
            subset.get(),
            delta.get(),
            transformation.get(),
            cesiumSettings.get());

    OuterScope outerScope;
    outerScope.setArbiter(arbiter);

    auto builder =
        makeUnique<Builder>(metadata, outPath, tmpPath, threads, outerScope);

    if (verbose) builder->verbose(true);
    return builder;
}
Ejemplo n.º 8
0
void StackPopCommands(STACK* stack_pointer, List* global, List* global_vet, List* local, List* function_list, List* AllParams){
	if(stack_pointer!=NULL){ 
		List* InUseFunction  = TILL_NULL(function_list);	/*A ultima funcao da lista de funcoes sera a funcao em uso
										cujos comandos serao desempilhados*/
		int NumVal;	
		List *GlobalSearch, *LocalSearch, *VectorialSearch, *FunctionSearch, *aux;
		ASTREE* Variable,*RightSon,*LeftSon,*Left_RightGrandSon;
		switch(stack_pointer->disc->type){
		case IKS_AST_ARIM_SUBTRACAO:
		case IKS_AST_ARIM_MULTIPLICACAO: 
		case IKS_AST_LOGICO_E:
		case IKS_AST_LOGICO_OU:
		case IKS_AST_ARIM_DIVISAO:
		case IKS_AST_LOGICO_COMP_DIF:     
		case IKS_AST_LOGICO_COMP_IGUAL:   
		case IKS_AST_LOGICO_COMP_LE:      
		case IKS_AST_LOGICO_COMP_GE:      
		case IKS_AST_LOGICO_COMP_L:       
		case IKS_AST_LOGICO_COMP_G:       
		case IKS_AST_ARIM_SOMA:
						stack_pointer->disc->node_type = inference(stack_pointer->disc->scc[0]->node_type,stack_pointer->disc->scc[1]->node_type);
						break;
		case IKS_AST_CHAMADA_DE_FUNCAO:
						/*Primeiramente, teremos de verificar a existencia da função chamada*/
						LeftSon = stack_pointer->disc->scc[0];
						RightSon = stack_pointer->disc->scc[1]; 
						FunctionSearch = list_lookup(function_list,LeftSon->symbol->text); /*retorna a função chamada*/
						if(FunctionSearch != NULL){
							AllParams = FunctionParamList(AllParams,FunctionSearch->tam); /*Retorna a lista de parametros da função chamada*/
							Variable = ParamLookup(RightSon,AllParams);
							if(Variable == NULL && RightSon!= NULL)
								stack_pointer->disc->node_type = inference(RightSon->type,LeftSon->type);
							else if(Variable == NULL && RightSon == NULL)
								stack_pointer->disc->node_type = LeftSon->node_type;
						}
						else{
							printf("->Funcao nao declarada (linha %d)\n", getLineNumber()-1);
							exit(IKS_ERROR_UNDECLARED);
							break;
						}
						break;
		case IKS_AST_IDENTIFICADOR: 	
						GlobalSearch = list_lookup(global,stack_pointer->disc->symbol->text);
						LocalSearch  = list_lookup(local,stack_pointer->disc->symbol->text);
						VectorialSearch = list_lookup(global_vet,stack_pointer->disc->symbol->text); 
						FunctionSearch = list_lookup(function_list,stack_pointer->disc->symbol->text);
						if(GlobalSearch !=NULL){
							if(LocalSearch !=NULL){
								printf("->Identificador de variavel global foi declarado como variavel local (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else if(FunctionSearch !=NULL){
								printf("->Identificador de variavel global foi declarado como funcao (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else{
								stack_pointer->disc->node_type = GlobalSearch->type;
								stack_pointer->disc->size = var_size(stack_pointer->disc->node_type);
								break;
							}
						}
						else if(LocalSearch != NULL){
							if(GlobalSearch != NULL){
								printf("->Identificador de variavel local foi declarado como variavel global (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else if(FunctionSearch != NULL){
								printf("->Identificador de variavel local foi declarado como funcao (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else{
								stack_pointer->disc->node_type = LocalSearch->type;
								stack_pointer->disc->size = var_size(stack_pointer->disc->node_type);
								break;
							}
						}
						else if(FunctionSearch != NULL){
							if(GlobalSearch != NULL){
								printf("->Identificador de funcao foi declarado como variavel global (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else if(LocalSearch !=NULL){
								printf("->Identificador de funcao foi declarado como variavel local (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else{
								stack_pointer->disc->node_type = FunctionSearch->type;
								stack_pointer->disc->size = var_size(stack_pointer->disc->node_type);
								break;
							}
						}
						else if (VectorialSearch ==NULL){
							printf("->Identificador nao declarado (linha %d)\n", getLineNumber()-1);
							exit(IKS_ERROR_UNDECLARED);
							break;
						}
						break;
		case IKS_AST_LITERAL:
						stack_pointer->disc->node_type = stack_pointer->disc->symbol->type;
						stack_pointer->disc->size = var_size(stack_pointer->disc->symbol->type);
						break;
		case IKS_AST_VETOR_INDEXADO:	
						/*O primeiro filho de um vetor indexado será o TK_IDENTIFICADOR referente ao nome da variavel*/ 
						LeftSon = stack_pointer->disc->scc[0];		/*Variavel do vetor*/
						RightSon = stack_pointer->disc->scc[1];		/*Quantidade de termos do vetor*/
						GlobalSearch = list_lookup(global,stack_pointer->disc->scc[0]->symbol->text);
						LocalSearch  = list_lookup(local,stack_pointer->disc->scc[0]->symbol->text);
						VectorialSearch = list_lookup(global_vet,stack_pointer->disc->scc[0]->symbol->text);
						FunctionSearch = list_lookup(function_list,stack_pointer->disc->scc[0]->symbol->text);
						if(VectorialSearch !=NULL){
							LeftSon->node_type = VectorialSearch->type;
							stack_pointer->disc->node_type = VectorialSearch->type;		
							LeftSon->size =VectorialSearch->tam*var_size(LeftSon->node_type);
							stack_pointer->disc->size = LeftSon->size;
							break;
						}
						else{
							if(GlobalSearch !=NULL){
								printf("->Identificador de vetor foi declarado como variavel global (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else if(LocalSearch !=NULL){
								printf("->Identificador de vetor foi declarado como variavel local (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
							else if(FunctionSearch !=NULL){
								printf("->Identificador de vetor foi declarado como funcao (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
								break;
							}
						}
						break;
		case IKS_AST_ATRIBUICAO: 	
						/*Quando chegarmos no nó atribuição já teremos os nós filhos definidos: leftson e rightson
 									filho direito do filho da esquerda*/
						LeftSon = stack_pointer->disc->scc[0];	
						RightSon = stack_pointer->disc->scc[1];	
						Left_RightGrandSon = LeftSon->scc[1]; 
						if(stack_pointer->disc->scc[0]->type == IKS_AST_VETOR_INDEXADO){
							Variable = stack_pointer->disc->scc[0]->scc[0];
							GlobalSearch = list_lookup(global,Variable->symbol->text);
							LocalSearch  = list_lookup(local,Variable->symbol->text);
							VectorialSearch = list_lookup(global_vet,Variable->symbol->text);
							FunctionSearch = list_lookup(function_list,Variable->symbol->text);		
							if(GlobalSearch !=NULL){
								printf("-> Identificador de vetor foi declarado como variavel global (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
							 }
							 else if(FunctionSearch !=NULL){
								printf("-> Identificador de vetor foi declarado como funcao (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_FUNCTION);
							 }
							 else if(LocalSearch !=NULL){
								printf("-> Identificador de vetor foi declarado como variavel local (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VARIABLE);
							 }
							 else{
								Left_RightGrandSon->node_type = coertion(IKS_INT,Left_RightGrandSon->node_type);
								stack_pointer->disc->node_type = inference(LeftSon->node_type,RightSon->node_type); /* atribuição de tipo ao nodo indexado*/
								
							 }
						}
						else if(stack_pointer->disc->scc[0]->type == IKS_AST_IDENTIFICADOR){
							Variable = stack_pointer->disc->scc[0];
							GlobalSearch = list_lookup(global,Variable->symbol->text);
							LocalSearch  = list_lookup(local,Variable->symbol->text);
							VectorialSearch = list_lookup(global_vet,Variable->symbol->text);
							FunctionSearch = list_lookup(function_list,Variable->symbol->text);
							if(VectorialSearch !=NULL){
								printf("-> Identificador de variavel foi declarado como vetor (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_VECTOR);
							}
							else if(FunctionSearch !=NULL){
								printf("-> Identificador de variavel foi declarado como funcao (linha %d)\n", getLineNumber()-1);
								exit(IKS_ERROR_FUNCTION);
							}
							else
								stack_pointer->disc->node_type = coertion(LeftSon->node_type,RightSon->node_type);				
						}
						break;
		case IKS_AST_INPUT:		
						LeftSon = stack_pointer->disc->scc[0];
						if(LeftSon->type != IKS_AST_IDENTIFICADOR){
							printf("O parametro do comando input (linha %d) nao se trata de um identificador\n",getLineNumber()-1);
							exit(IKS_ERROR_WRONG_PAR_INPUT);			
						}
						else
							 stack_pointer->disc->node_type = LeftSon->node_type;				
						break;
		case IKS_AST_OUTPUT:		
						LeftSon = stack_pointer->disc->scc[0];

						if(LeftSon->node_type == IKS_CHAR){
							printf("O parametro do comando output (linha %d) deve ser literal string ou expressao\n",getLineNumber()-1);
							exit(IKS_ERROR_WRONG_PAR_OUTPUT);			
						}
						else
							 stack_pointer->disc->node_type = LeftSon->node_type;	
						break;
		case IKS_AST_RETURN:
						LeftSon = stack_pointer->disc->scc[0];
						if(InUseFunction->type != LeftSon->node_type){
							if((LeftSon->node_type == IKS_CHAR) ||(LeftSon->node_type == IKS_STRING)){
								printf("A variavel do comando return deve ter o mesmo tipo da funcao %s (linha %d)\n",InUseFunction->text,getLineNumber()-1);
								exit(IKS_ERROR_WRONG_PAR_RETURN);
							}
							else{
								InUseFunction->type = coertion(InUseFunction->type,LeftSon->node_type);
							}	stack_pointer->disc->node_type = LeftSon->node_type;
						}
						else{
							stack_pointer->disc->node_type = LeftSon->node_type;
						}
						break;   
		}
		stack_pointer= stack_pointer->next;
		return  StackPopCommands(stack_pointer,global,global_vet,local,function_list, AllParams);
	}
}