C++ op函数代码示例

HeapWord* PermGen::mem_allocate_in_gen(size_t size, Generation* gen) {
  GCCause::Cause next_cause = GCCause::_permanent_generation_full;
  GCCause::Cause prev_cause = GCCause::_no_gc;
  unsigned int gc_count_before, full_gc_count_before;
  HeapWord* obj;

  for (;;) {
    {
      MutexLocker ml(Heap_lock);
      if ((obj = gen->allocate(size, false)) != NULL) {
        return obj;
      }
      if (gen->capacity() < _capacity_expansion_limit ||
          prev_cause != GCCause::_no_gc) {
        obj = gen->expand_and_allocate(size, false);
      }
      if (obj != NULL || prev_cause == GCCause::_last_ditch_collection) {
        return obj;
      }
      if (GC_locker::is_active_and_needs_gc()) {
        // If this thread is not in a jni critical section, we stall
        // the requestor until the critical section has cleared and
        // GC allowed. When the critical section clears, a GC is
        // initiated by the last thread exiting the critical section; so
        // we retry the allocation sequence from the beginning of the loop,
        // rather than causing more, now probably unnecessary, GC attempts.
        JavaThread* jthr = JavaThread::current();
        if (!jthr->in_critical()) {
          MutexUnlocker mul(Heap_lock);
          // Wait for JNI critical section to be exited
          GC_locker::stall_until_clear();
          continue;
        } else {
          if (CheckJNICalls) {
            fatal("Possible deadlock due to allocating while"
                  " in jni critical section");
          }
          return NULL;
        }
      }
      // Read the GC count while holding the Heap_lock
      gc_count_before      = SharedHeap::heap()->total_collections();
      full_gc_count_before = SharedHeap::heap()->total_full_collections();
    }

    // Give up heap lock above, VMThread::execute below gets it back
    VM_GenCollectForPermanentAllocation op(size, gc_count_before, full_gc_count_before,
                                           next_cause);
    VMThread::execute(&op);
    if (!op.prologue_succeeded() || op.gc_locked()) {
      assert(op.result() == NULL, "must be NULL if gc_locked() is true");
      continue;  // retry and/or stall as necessary
    }
    obj = op.result();
    assert(obj == NULL || SharedHeap::heap()->is_in_reserved(obj),
           "result not in heap");
    if (obj != NULL) {
      return obj;
    }
    prev_cause = next_cause;
    next_cause = GCCause::_last_ditch_collection;
  }
}

	void CClientFrameGenerator::generate( DataSerializer & serializer )
	{
		DataSerializer::WriteOp op( serializer );
		mFrameData.serialize( op );
	}

bool IRInstruction::isEssential() const {
  return isControlFlow() ||
         opcodeHasFlags(op(), Essential);
}

	request::request(const char *headln)
	{
		char type[10];
#define op(a) a = NULL
		op(this->header.accept.accept);
		op(this->header.accept.charset);
		op(this->header.accept.encoding);
		op(this->header.accept.language);
		op(this->header.clientinfo.referer);
		op(this->header.clientinfo.te);
		op(this->header.clientinfo.user_agent);
		op(this->header.hostinfo.authorization);
		op(this->header.hostinfo.expect);
		op(this->header.hostinfo.from);
		op(this->header.hostinfo.host);
		op(this->header.netinfo.max_forwards);
		op(this->header.netinfo.proxy_authorization);
		op(this->header.netinfo.range);
		op(this->header.sectif.match);
		op(this->header.sectif.modified_since);
		op(this->header.sectif.none_match);
		op(this->header.sectif.range);
		op(this->header.sectif.unmodified_since);
#undef  op
		sscanf(headln, "%s %s HTTP/1.%d", type, this->URI, &this->protocolversion);
#define op(a) (strcmp(type, a) == 0)
		if (op("OPTIONS"))
			this->requesttype = kOPTIONS;
		if (op("GET"))
			this->requesttype = kGET;
		if (op("HEAD"))
			this->requesttype = kHEAD;
		if (op("POST"))
			this->requesttype = kPOST;
		if (op("PUT"))
			this->requesttype = kPUT;
		if (op("DELETE"))
			this->requesttype = kDELETE;
		if (op("TRACE"))
			this->requesttype = kTRACE;
		if (op("CONNECT"))
			this->requesttype = kCONNECT;
#undef  op
		this->parseHTTPHeader(headln);
	}

void
  mitk::SlicedGeometry3D::ExecuteOperation(Operation* operation)
{
  switch ( operation->GetOperationType() )
  {
  case OpNOTHING:
    break;

  case OpROTATE:
    if ( m_EvenlySpaced )
    {
      // Need a reference frame to align the rotation
      if ( m_ReferenceGeometry )
      {
        // Clear all generated geometries and then rotate only the first slice.
        // The other slices will be re-generated on demand

        // Save first slice
        PlaneGeometry::Pointer geometry2D = m_PlaneGeometries[0];

        RotationOperation *rotOp = dynamic_cast< RotationOperation * >( operation );

        // Generate a RotationOperation using the dataset center instead of
        // the supplied rotation center. This is necessary so that the rotated
        // zero-plane does not shift away. The supplied center is instead used
        // to adjust the slice stack afterwards.
        Point3D center = m_ReferenceGeometry->GetCenter();

        RotationOperation centeredRotation(
          rotOp->GetOperationType(),
          center,
          rotOp->GetVectorOfRotation(),
          rotOp->GetAngleOfRotation()
          );

        // Rotate first slice
        geometry2D->ExecuteOperation( &centeredRotation );

        // Clear the slice stack and adjust it according to the center of
        // the dataset and the supplied rotation center (see documentation of
        // ReinitializePlanes)
        this->ReinitializePlanes( center, rotOp->GetCenterOfRotation() );

        geometry2D->SetSpacing(this->GetSpacing());

        if ( m_SliceNavigationController )
        {
          m_SliceNavigationController->SelectSliceByPoint(
            rotOp->GetCenterOfRotation() );
          m_SliceNavigationController->AdjustSliceStepperRange();
        }

        BaseGeometry::ExecuteOperation( &centeredRotation );
      }
      else
      {
        // we also have to consider the case, that there is no reference geometry available.
        if ( m_PlaneGeometries.size() > 0 )
        {
          // Reach through to all slices in my container
          for (auto iter = m_PlaneGeometries.begin();
            iter != m_PlaneGeometries.end();
            ++iter)
          {
            // Test for empty slices, which can happen if evenly spaced geometry
            if ((*iter).IsNotNull())
            {
              (*iter)->ExecuteOperation(operation);
            }
          }

          // rotate overall geometry
          RotationOperation *rotOp = dynamic_cast< RotationOperation * >( operation );
          BaseGeometry::ExecuteOperation( rotOp);
        }
      }
    }
    else
    {
      // Reach through to all slices
      for (auto iter = m_PlaneGeometries.begin();
        iter != m_PlaneGeometries.end();
        ++iter)
      {
        (*iter)->ExecuteOperation(operation);
      }
    }
    break;

  case OpORIENT:
    if ( m_EvenlySpaced )
    {
      // get operation data
      PlaneOperation *planeOp = dynamic_cast< PlaneOperation * >( operation );

      // Get first slice
      PlaneGeometry::Pointer planeGeometry = m_PlaneGeometries[0];

      // Need a PlaneGeometry, a PlaneOperation and a reference frame to
      // carry out the re-orientation. If not all avaialble, stop here
//.........这里部分代码省略.........

 // Operators to make my life easier
 int operator() (int const x, int const y) const {
     return op(x, y);
 }

NodoArbol<Elemento *> * Operacion::descomponer() {

	Elemento * resultado;
	NodoArbol<Elemento *> * resultadoNodo;
	int indice = indiceMenorPrecedencia(operacion);
	string cen = operacion.substr(indice, 1);
	if (indice == -1) {
		resultado = new Operando(stod(operacion));
		//return new NodoArbol<Elemento *>(resultado);
	}
	else {		
		if (cen == "f"){
			resultado = new OperadorFunction();
			string a = operacion.substr(indice + 2, operacion.length() - indice - 1);
			istringstream op(a);
			string operando;
			while (getline(op, operando, ',')){
				resultadoNodo->setNode(new NodoArbol<Elemento *>(resultado));
				return resultadoNodo;
			}
		}
		else {
			if (cen == "s" || cen == "c" || cen == "t" || cen == "l"){
				string a = operacion.substr(indice, 1);
				string b = operacion.substr(indice + 1, operacion.length() - indice - 1);

				switch (cen[0]) {
				case 's':
					resultado = new OperadorSeno();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);// debe agregar nuevo nodo que contenga la operacion
					break;
				case 'c':
					resultado = new OperadorCoseno();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				case 't':
					resultado = new OperadorTangente();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				case 'l':
					resultado = new OperadorLogNatural();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				default:
					resultado = NULL;
					break;
				}
				resultadoNodo->setNode(new NodoArbol<Elemento *>(procesarStringHijo(b)));
				return resultadoNodo;
			}
			else {
				string a = operacion.substr(0, indice);
				string b = operacion.substr(indice, 1);
				string c = operacion.substr(indice + 1, operacion.length() - indice - 1);

				switch (cen[0]) {
				case '+':
					resultado = new OperadorSuma();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				case '-':
					resultado = new OperadorResta();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				case'*':
					resultado = new OperadorMultiplicacion();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				case '/':
					resultado = new OperadorDivision();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				case '^':
					resultado = new OperadorExponencial();
					resultadoNodo = new NodoArbol<Elemento *>(resultado);
					break;
				default:
					resultado = NULL;
					break;
				}
				resultadoNodo->setNode(new NodoArbol<Elemento *>(procesarStringHijo(a)));
				resultadoNodo->setNode(new NodoArbol<Elemento *>(procesarStringHijo(c)));
			}
		}
	}
	return resultadoNodo;
}

RegionDescPtr selectTraceletLegacy(const Transl::Tracelet& tlet) {
    typedef RegionDesc::Block Block;

    auto region = std::make_shared<RegionDesc>();
    SrcKey sk(tlet.m_sk);
    auto unit = tlet.func()->unit();

    const Func* topFunc = nullptr;
    Block* curBlock = nullptr;
    auto newBlock = [&](const Func* func, SrcKey start) {
        assert(curBlock == nullptr || curBlock->length() > 0);
        region->blocks.push_back(
            std::make_shared<Block>(func, start.offset(), 0));
        curBlock = region->blocks.back().get();
    };
    newBlock(tlet.func(), sk);

    for (auto ni = tlet.m_instrStream.first; ni; ni = ni->next) {
        assert(sk == ni->source);
        assert(ni->unit() == unit);

        curBlock->addInstruction();
        if ((curBlock->length() == 1 && ni->funcd != nullptr) ||
                ni->funcd != topFunc) {
            topFunc = ni->funcd;
            curBlock->setKnownFunc(sk, topFunc);
        }

        if (ni->calleeTrace && !ni->calleeTrace->m_inliningFailed) {
            assert(ni->op() == OpFCall);
            assert(ni->funcd == ni->calleeTrace->func());
            // This should be translated as an inlined call. Insert the blocks of the
            // callee in the region.
            auto const& callee = *ni->calleeTrace;
            curBlock->setInlinedCallee(ni->funcd);
            SrcKey cSk = callee.m_sk;
            Unit* cUnit = callee.func()->unit();

            newBlock(callee.func(), cSk);

            for (auto cni = callee.m_instrStream.first; cni; cni = cni->next) {
                assert(cSk == cni->source);
                assert(cni->op() == OpRetC ||
                       cni->op() == OpContRetC ||
                       cni->op() == OpNativeImpl ||
                       !instrIsNonCallControlFlow(cni->op()));

                curBlock->addInstruction();
                cSk.advance(cUnit);
            }

            if (ni->next) {
                sk.advance(unit);
                newBlock(tlet.func(), sk);
            }
            continue;
        }

        if (!ni->noOp && isFPassStar(ni->op())) {
            curBlock->setParamByRef(sk, ni->preppedByRef);
        }

        if (ni->next && ni->op() == OpJmp) {
            // A Jmp that isn't the final instruction in a Tracelet means we traced
            // through a forward jump in analyze. Update sk to point to the next NI
            // in the stream.
            auto dest = ni->offset() + ni->imm[0].u_BA;
            assert(dest > sk.offset()); // We only trace for forward Jmps for now.
            sk.setOffset(dest);

            // The Jmp terminates this block.
            newBlock(tlet.func(), sk);
        } else {
            sk.advance(unit);
        }
    }

    auto& frontBlock = *region->blocks.front();

    // Add tracelet guards as predictions on the first instruction. Predictions
    // and known types from static analysis will be applied by
    // Translator::translateRegion.
    for (auto const& dep : tlet.m_dependencies) {
        if (dep.second->rtt.isVagueValue() ||
                dep.second->location.isThis()) continue;

        typedef RegionDesc R;
        auto addPred = [&](const R::Location& loc) {
            auto type = Type::fromRuntimeType(dep.second->rtt);
            frontBlock.addPredicted(tlet.m_sk, {loc, type});
        };

        switch (dep.first.space) {
        case Transl::Location::Stack:
            addPred(R::Location::Stack{uint32_t(-dep.first.offset - 1)});
            break;

        case Transl::Location::Local:
            addPred(R::Location::Local{uint32_t(dep.first.offset)});
            break;
//.........这里部分代码省略.........

ex basic::operator[](size_t i) const
{
    return op(i);
}

/** Check whether the expression matches a given pattern. For every wildcard
 *  object in the pattern, a pair with the wildcard as a key and matching
 *  expression as a value is added to repl_lst. */
bool basic::match(const ex & pattern, exmap& repl_lst) const
{
    /*
    	Sweet sweet shapes, sweet sweet shapes,
    	That's the key thing, right right.
    	Feed feed face, feed feed shapes,
    	But who is the king tonight?
    	Who is the king tonight?
    	Pattern is the thing, the key thing-a-ling,
    	But who is the king of Pattern?
    	But who is the king, the king thing-a-ling,
    	Who is the king of Pattern?
    	Bog is the king, the king thing-a-ling,
    	Bog is the king of Pattern.
    	Ba bu-bu-bu-bu bu-bu-bu-bu-bu-bu bu-bu
    	Bog is the king of Pattern.
    */

    if (is_exactly_a<wildcard>(pattern)) {

        // Wildcard matches anything, but check whether we already have found
        // a match for that wildcard first (if so, the earlier match must be
        // the same expression)
        for (exmap::const_iterator it = repl_lst.begin(); it != repl_lst.end(); ++it) {
            if (it->first.is_equal(pattern))
                return is_equal(ex_to<basic>(it->second));
        }
        repl_lst[pattern] = *this;
        return true;

    } else {

        // Expression must be of the same type as the pattern
        if (typeid(*this) != typeid(ex_to<basic>(pattern)))
            return false;

        // Number of subexpressions must match
        if (nops() != pattern.nops())
            return false;

        // No subexpressions? Then just compare the objects (there can't be
        // wildcards in the pattern)
        if (nops() == 0)
            return is_equal_same_type(ex_to<basic>(pattern));

        // Check whether attributes that are not subexpressions match
        if (!match_same_type(ex_to<basic>(pattern)))
            return false;

        // Even if the expression does not match the pattern, some of
        // its subexpressions could match it. For example, x^5*y^(-1)
        // does not match the pattern $0^5, but its subexpression x^5
        // does. So, save repl_lst in order to not add bogus entries.
        exmap tmp_repl = repl_lst;
        // Otherwise the subexpressions must match one-to-one
        for (size_t i=0; i<nops(); i++)
            if (!op(i).match(pattern.op(i), tmp_repl))
                return false;

        // Looks similar enough, match found
        repl_lst = tmp_repl;
        return true;
    }
}

void SlicesRotator::RotateToPoint( SliceNavigationController *rotationPlaneSNC,
                                   SliceNavigationController *rotatedPlaneSNC,
                                   const Point3D &point, bool linked )
{
    MITK_WARN << "Deprecated function! Use SliceNavigationController::ReorientSlices() instead";

    SliceNavigationController *thirdSNC = NULL;

    SNCVector::iterator iter;
    for ( iter = m_RotatableSNCs.begin(); iter != m_RotatableSNCs.end(); ++iter )
    {
        if ( ((*iter) != rotationPlaneSNC)
                && ((*iter) != rotatedPlaneSNC) )
        {
            thirdSNC = *iter;
            break;
        }
    }

    if ( thirdSNC == NULL )
    {
        return;
    }

    const PlaneGeometry *rotationPlane = rotationPlaneSNC->GetCurrentPlaneGeometry();
    const PlaneGeometry *rotatedPlane = rotatedPlaneSNC->GetCurrentPlaneGeometry();
    const PlaneGeometry *thirdPlane = thirdSNC->GetCurrentPlaneGeometry();

    if ( (rotationPlane == NULL) || (rotatedPlane == NULL)
            || (thirdPlane == NULL) )
    {
        return;
    }

    if ( rotatedPlane->DistanceFromPlane( point ) < 0.001 )
    {
        // Skip irrelevant rotations
        return;
    }

    Point3D projectedPoint;
    Line3D intersection;
    Point3D rotationCenter;

    if ( !rotationPlane->Project( point, projectedPoint )
            || !rotationPlane->IntersectionLine( rotatedPlane, intersection )
            || !thirdPlane->IntersectionPoint( intersection, rotationCenter ) )
    {
        return;
    }

    // All pre-requirements are met; execute the rotation

    Point3D referencePoint = intersection.Project( projectedPoint );

    Vector3D toProjected = referencePoint - rotationCenter;
    Vector3D toCursor    = projectedPoint - rotationCenter;

    // cross product: | A x B | = |A| * |B| * sin(angle)
    Vector3D axisOfRotation;
    vnl_vector_fixed< ScalarType, 3 > vnlDirection =
        vnl_cross_3d( toCursor.GetVnlVector(), toProjected.GetVnlVector() );
    axisOfRotation.SetVnlVector( vnlDirection );

    // scalar product: A * B = |A| * |B| * cos(angle)
    // tan = sin / cos
    ScalarType angle = - atan2(
                           (double)(axisOfRotation.GetNorm()),
                           (double)(toCursor * toProjected) );
    angle *= 180.0 / vnl_math::pi;

    // create RotationOperation and apply to all SNCs that should be rotated
    RotationOperation op(OpROTATE, rotationCenter, axisOfRotation, angle);

    if ( !linked )
    {
        BaseRenderer *renderer = rotatedPlaneSNC->GetRenderer();
        if ( renderer == NULL )
        {
            return;
        }

        DisplayGeometry *displayGeometry = renderer->GetDisplayGeometry();

        Point2D point2DWorld, point2DDisplayPre, point2DDisplayPost;
        displayGeometry->Map( rotationCenter, point2DWorld );
        displayGeometry->WorldToDisplay( point2DWorld, point2DDisplayPre );

        TimeGeometry *timeGeometry= rotatedPlaneSNC->GetCreatedWorldGeometry();
        if ( !timeGeometry )
        {
            return;
        }

        timeGeometry->ExecuteOperation( &op );

        displayGeometry->Map( rotationCenter, point2DWorld );
        displayGeometry->WorldToDisplay( point2DWorld, point2DDisplayPost );
        Vector2D vector2DDisplayDiff = point2DDisplayPost - point2DDisplayPre;

//.........这里部分代码省略.........

CIMHandleIndicationResponseMessage*
IndicationHandlerService::_handleIndication(
    CIMHandleIndicationRequestMessage* request)
{
    PEG_METHOD_ENTER(TRC_IND_HANDLER,
        "IndicationHandlerService::_handleIndication()");

    Boolean handleIndicationSuccess = true;
    CIMException cimException =
        PEGASUS_CIM_EXCEPTION(CIM_ERR_SUCCESS, String::EMPTY);

    CIMName className = request->handlerInstance.getClassName();
    CIMNamespaceName nameSpace = request->nameSpace;

    CIMInstance indication = request->indicationInstance;
    CIMInstance handler = request->handlerInstance;

    PEG_TRACE ((TRC_INDICATION_GENERATION, Tracer::LEVEL4,
        "Handler service received %s Indication %s for %s:%s.%s Handler",
        (const char*)(indication.getClassName().getString().getCString()),
        (const char*)(request->messageId.getCString()),
        (const char*)(request->nameSpace.getString().getCString()),
        (const char*)(handler.getClassName().getString().getCString()),
        (const char*)(handler.getProperty(handler.findProperty(
        PEGASUS_PROPERTYNAME_NAME)).getValue().toString().getCString())));
    Uint32 pos = PEG_NOT_FOUND;

    if (className.equal (PEGASUS_CLASSNAME_INDHANDLER_CIMXML) ||
        className.equal (PEGASUS_CLASSNAME_LSTNRDST_CIMXML))
    {
        pos = handler.findProperty(PEGASUS_PROPERTYNAME_LSTNRDST_DESTINATION);

        if (pos == PEG_NOT_FOUND)
        {
            cimException = PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
                MessageLoaderParms(
                    "HandlerService.IndicationHandlerService."
                        "CIMXML_HANDLER_WITHOUT_DESTINATION",
                    "CIMXml Handler missing Destination property"));
            handleIndicationSuccess = false;
        }
        else
        {
            CIMProperty prop = handler.getProperty(pos);
            String destination = prop.getValue().toString();

            if (destination.size() == 0)
            {
                cimException = PEGASUS_CIM_EXCEPTION_L(CIM_ERR_FAILED,
                    MessageLoaderParms(
                        "HandlerService.IndicationHandlerService."
                            "INVALID_DESTINATION",
                        "invalid destination"));
                handleIndicationSuccess = false;
            }
//compared index 10 is not :
            else if (destination.subString(0, 10) == String("localhost/"))
            {
                Uint32 exportServer =
                    find_service_qid(PEGASUS_QUEUENAME_EXPORTREQDISPATCHER);

                // Listener is build with Cimom, so send message to ExportServer
               AutoPtr<CIMExportIndicationRequestMessage> exportmessage( 
                    new CIMExportIndicationRequestMessage(
                        XmlWriter::getNextMessageId(),
                        //taking localhost/CIMListener portion out from reg
                        destination.subString(21),
                        indication,
                        QueueIdStack(exportServer, getQueueId()),
                        String::EMPTY,
                        String::EMPTY));

                exportmessage->operationContext.insert(
                    IdentityContainer(String::EMPTY));
                exportmessage->operationContext.set(
                    request->operationContext.get(
                    ContentLanguageListContainer::NAME)); 
                AutoPtr<AsyncOpNode> op( this->get_op());

                AutoPtr<AsyncLegacyOperationStart> asyncRequest(
                    new AsyncLegacyOperationStart(
                    op.get(),
                    exportServer,
                    exportmessage.get()));

                exportmessage.release();

                PEG_TRACE((TRC_IND_HANDLER, Tracer::LEVEL4,
                    "Indication handler forwarding message to %s",
                        ((MessageQueue::lookup(exportServer)) ?
                            ((MessageQueue::lookup(exportServer))->
                                getQueueName()):
                            "BAD queue name")));
                PEG_TRACE ((TRC_INDICATION_GENERATION, Tracer::LEVEL4,
                    "Sending %s Indication %s to destination %s",
                    (const char*) (indication.getClassName().getString().
                    getCString()),
                    (const char*)(request->messageId.getCString()),
                    (const char*) destination.getCString()));

//.........这里部分代码省略.........

void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray*prhs[])
{
    double* m_dict;
    double* m_x;

    check_num_input_args(nrhs, 2, 6);
    check_num_output_args(nlhs, 0,1);

    check_is_double_matrix(A_IN, func_name, "A");
    check_is_double_matrix(B_IN,  func_name, "b");

    int max_iters = 0;
    if (nrhs > 2){
        check_is_double_scalar(ITER_IN,  func_name, "max_iters");
        // Read the value of max_iters
        max_iters = mxGetScalar(ITER_IN);
    }

    double tolerance = 0;
    if (nrhs > 3){
        check_is_double_scalar(EPS_IN,  func_name, "tolerance");
        tolerance  = mxGetScalar(EPS_IN);
    }

    int sparse_output = 1;
    if (nrhs > 4){
        check_is_double_scalar(SPARSE_IN, func_name,"sparse");
        sparse_output = (int) mxGetScalar(SPARSE_IN);
    }

    int verbose = 0;
    if (nrhs > 5){
        check_is_double_scalar(VERBOSE, func_name, "verbose");
        verbose = (int) mxGetScalar(VERBOSE);
    }

    m_dict = mxGetPr(A_IN);
    m_x = mxGetPr(B_IN);

    size_t M, N, S;
    // Number of signal space dimension
    M = mxGetM(A_IN);
    // Number of atoms
    N = mxGetN(A_IN);
    if (M != mxGetM(B_IN)){
        mexErrMsgTxt("Dimensions mismatch");
    }
    if (M != N) {
        mexErrMsgTxt("A must be symmetric positive definite");
    }
    // Number of signals
    S = mxGetN(B_IN);
    if (S != 1) {
        mexErrMsgTxt("Only one vector supported at the moment");
    }
    if(verbose){
        mexPrintf("M: %d, N:%d, S: %d, max_iters: %d, tolerance: %e, sparse: %d, verbose: %d\n",
         M, N, S, max_iters, tolerance, sparse_output, verbose);
    }
    // Create Sparse Representation Vector
    spx::MxArray op(A_IN);
    spx::CongugateGradients cg (op);
    if (max_iters > 0) {
        cg.set_max_iterations(max_iters);
    }
    if (tolerance > 0) {
        cg.set_tolerance(tolerance);
    }
    if (verbose > 0){
        cg.set_verbose( (spx::VERBOSITY) verbose);
    }
    cg(m_x);
    X_OUT = spx::d_vec_to_mx_array(cg.get_x());
}

int mainTest(int argNumber, char* argString[])
{
    //Init Logger
    Logger::getInstance()->setLoggingLevel(eINFO);

    //We create a folder for background substraction configuration file. BGSLib will crash if that folder doesn't exist.
    boost::filesystem::create_directory("config");

    //We load the tracking configuration
    po::options_description fileConfig("Configuration file options");
    po::variables_map vm = LoadConfigurationSettings(argNumber, argString, fileConfig);
    if(vm.count("logging-level") >0)
    {
        unsigned int level = vm["logging-level"].as<unsigned int>();
        if(level >= 0 && level <= eNONE)
            Logger::getInstance()->setLoggingLevel(ELoggingLevel(level));
    }


    //We load the video
    bool overrideTotalNbFrame = false;
    unsigned int lastFrame = -1;
    InputFrameProviderIface* vfm = LoadVideo(vm, overrideTotalNbFrame, lastFrame);
    try
    {
        if(vfm && vfm->isOpen())
        {
            LOGINFO("Starting tracker");

            bool success = true;
            DrawableTimer dt;


            float pixelByMeter = 1;
            if(vm.count("scaleratio-filename") > 0 && vm["scaleratio-filename"].as<std::string>() != "none" && vm["scaleratio-filename"].as<std::string>() != "None")
            {
                success = Utils::IO::LoadScalar<float>(vm["scaleratio-filename"].as<std::string>(), pixelByMeter);
                if(!success)
                {
                    pixelByMeter = 1;
                    LOGWARNING("Can't load scale ratio file. Using 1px/m ratio");
                }
            }

            cv::Mat homography = cv::Mat::eye(3,3, CV_32FC1);
            if(vm.count("homography-filename") > 0 && vm["homography-filename"].as<std::string>() != "none" && vm["homography-filename"].as<std::string>() != "None")
            {
                success = Utils::IO::LoadMatrix<double>(vm["homography-filename"].as<std::string>(), homography);
                if(!success)
                {
                    homography = cv::Mat::eye(3,3, CV_32FC1);
                    LOGWARNING("Can't load homography file. Using identity.");
                }
            }
            cv::Mat mask;

            if(vm.count("mask-filename") > 0 && vm["mask-filename"].as<std::string>() != "none" && vm["mask-filename"].as<std::string>() != "None")
            {
                mask = cv::imread(vm["mask-filename"].as<std::string>());
                cv::cvtColor(mask, mask, CV_BGR2GRAY);
            }
            else
            {
                mask = cv::Mat(vfm->getHeight(), vfm->getWidth(), CV_8UC1);
                mask.setTo(cv::Scalar(255,255,255));
            }


            /*if(vm.count("aerialview-filename") > 0)
            {
                std::string aerialfn(vm["aerialview-filename"].as<std::string>());
                const cv::Mat aerialView = cv::imread(aerialfn);
            }*/


            DrawingFlags drawFlags = LoadDrawingFlags(vm);
            BlobTrackerAlgorithmParams algoParams = LoadTrackerParams(vm);
            DisplayInstruction();

            ApplicationContext context(mask, homography,(float)vfm->getNbFPS(), pixelByMeter, drawFlags, algoParams, vm["record-bgs"].as<bool>(), vfm);
            TrackerPersistance op(&context, vm["object-sqlite-filename"].as<std::string>());
            op.init();
            std::string bgsRecord = vm["bgs-filepath"].as<std::string>();
            context.setBGSPath(bgsRecord);
            std::string bgsType = vm["bgs-type"].as<std::string>();

            Tracker t(&context, bgsType);
            if(bgsType == "PlaybackBGS" && vm.count("bgs-filepath") > 0)
            {
                IBGS* bgs = t.getBlobDetector()->getBGS();
                PlaybackBGS* pbBGS = dynamic_cast<PlaybackBGS*>(bgs);
                if(pbBGS)
                    pbBGS->setPath(bgsRecord);
//                std::cout<<"remove playBackBgs\n";
//                exit(-1);
            }

            //bgs-filepath
            cv::Mat m;
            bool stepByStep = false;
//.........这里部分代码省略.........

method_id("add");
  ret(ieval(begin_splat(),
     arg(1), op("+"), arg(2), 
  end_splat()));
  

comment("see http://jsfiddle.net/4MmvW/1/");