diff --git a/src/Mathematics/intermediate-qp-matrices.cpp b/src/Mathematics/intermediate-qp-matrices.cpp
index c01d620321da0bc8eff029f7257a076fc4e83f41..ad2a1d0252014693d333cceac7f6e7cd62bbb7dc 100644
--- a/src/Mathematics/intermediate-qp-matrices.cpp
+++ b/src/Mathematics/intermediate-qp-matrices.cpp
@@ -34,27 +34,27 @@ using namespace PatternGeneratorJRL;
 IntermedQPMat::IntermedQPMat()
 {
 
-  m_MeanVelocity.type = MEAN_VELOCITY;
-  m_Velocity.type = VELOCITY;
-  m_MeanVelocity.dyn = & m_Velocity;
+  MeanVelocity_.type = MEAN_VELOCITY;
+  Velocity_.type = VELOCITY;
+  MeanVelocity_.dyn = & Velocity_;
 
-  m_InstantVelocity.type = INSTANT_VELOCITY;
-  m_InstantVelocity.dyn = & m_Velocity;
+  InstantVelocity_.type = INSTANT_VELOCITY;
+  InstantVelocity_.dyn = & Velocity_;
 
-  m_COPCentering.type = COP_CENTERING;
-  m_CoP.type = COP;
-  m_COPCentering.dyn = & m_CoP;
+  COPCentering_.type = COP_CENTERING;
+  CoP_.type = COP;
+  COPCentering_.dyn = & CoP_;
 
-  m_JerkMin.type = JERK_MIN;
-  m_Jerk.type = JERK;
-  m_JerkMin.dyn = & m_Jerk;
+  JerkMin_.type = JERK_MIN;
+  Jerk_.type = JERK;
+  JerkMin_.dyn = & Jerk_;
 
-  m_Position.type = POSITION;
-  m_Acceleration.type = ACCELERATION;
+  Position_.type = POSITION;
+  Acceleration_.type = ACCELERATION;
 
-  m_IneqCoP.type = INEQ_COP;
-  m_IneqCoM.type = INEQ_COM;
-  m_IneqFeet.type = INEQ_FEET;
+  IneqCoP_.type = INEQ_COP;
+  IneqCoM_.type = INEQ_COM;
+  IneqFeet_.type = INEQ_FEET;
 
 }
 
@@ -68,35 +68,36 @@ IntermedQPMat::objective_variant_t const &
 IntermedQPMat::Objective( const int type ) const
 {
   switch(type)
-    {
-    case MEAN_VELOCITY:
-      return m_MeanVelocity;
-    case INSTANT_VELOCITY:
-      return m_InstantVelocity;
-    case COP_CENTERING:
-      return m_COPCentering;
-    case JERK_MIN:
-      return m_JerkMin;
-    }
+  {
+  case MEAN_VELOCITY:
+    return MeanVelocity_;
+  case INSTANT_VELOCITY:
+    return InstantVelocity_;
+  case COP_CENTERING:
+    return COPCentering_;
+  case JERK_MIN:
+    return JerkMin_;
+  }
   /* Default behavior return Mean velocity. */
-  return m_MeanVelocity;
+  return MeanVelocity_;
 }
+
 IntermedQPMat::objective_variant_t &
 IntermedQPMat::Objective( const int type )
 {
   switch(type)
-    {
-    case MEAN_VELOCITY:
-      return m_MeanVelocity;
-    case INSTANT_VELOCITY:
-      return m_InstantVelocity;
-    case COP_CENTERING:
-      return m_COPCentering;
-    case JERK_MIN:
-      return m_JerkMin;
-    }
+  {
+  case MEAN_VELOCITY:
+    return MeanVelocity_;
+  case INSTANT_VELOCITY:
+    return InstantVelocity_;
+  case COP_CENTERING:
+    return COPCentering_;
+  case JERK_MIN:
+    return JerkMin_;
+  }
   /* Default behavior return Mean velocity. */
-  return m_MeanVelocity;
+  return MeanVelocity_;
 }
 
 
@@ -104,31 +105,32 @@ IntermedQPMat::dynamics_t const &
 IntermedQPMat::Dynamics( const int type ) const
 {
   switch(type)
-    {
-    case VELOCITY:
-      return m_Velocity;
-    case COP:
-      return m_CoP;
-    case JERK:
-      return m_Jerk;
-    }
+  {
+  case VELOCITY:
+    return Velocity_;
+  case COP:
+    return CoP_;
+  case JERK:
+    return Jerk_;
+  }
   /* Default behavior return velocity. */
-  return m_Velocity;
+  return Velocity_;
 }
+
 IntermedQPMat::dynamics_t &
 IntermedQPMat::Dynamics( const int type )
 {
   switch(type)
-    {
-    case VELOCITY:
-      return m_Velocity;
-    case COP:
-      return m_CoP;
-    case JERK:
-      return m_Jerk;
-    }
+  {
+  case VELOCITY:
+    return Velocity_;
+  case COP:
+    return CoP_;
+  case JERK:
+    return Jerk_;
+  }
   /*! Default behavior return velocity. */
-  return m_Velocity;
+  return Velocity_;
 }
 
 
@@ -136,63 +138,63 @@ linear_inequality_t const &
 IntermedQPMat::Inequalities( const int type ) const
 {
   switch(type)
-    {
-    case INEQ_COP:
-      return m_IneqCoP;
-    case INEQ_COM:
-      return m_IneqCoM;
-    case INEQ_FEET:
-      return m_IneqFeet;
-    }
+  {
+  case INEQ_COP:
+    return IneqCoP_;
+  case INEQ_COM:
+    return IneqCoM_;
+  case INEQ_FEET:
+    return IneqFeet_;
+  }
   /* Default behavior return an inequality on CoP */
-  return m_IneqCoP;
+  return IneqCoP_;
 }
 
 linear_inequality_t &
 IntermedQPMat::Inequalities( const int type )
 {
   switch(type)
-    {
-    case INEQ_COP:
-      m_IneqCoP.clear();
-      return m_IneqCoP;
-    case INEQ_COM:
-      m_IneqCoM.clear();
-      return m_IneqCoM;
-    case INEQ_FEET:
-      m_IneqFeet.clear();
-      return m_IneqFeet;
-    }
+  {
+  case INEQ_COP:
+    IneqCoP_.clear();
+    return IneqCoP_;
+  case INEQ_COM:
+    IneqCoM_.clear();
+    return IneqCoM_;
+  case INEQ_FEET:
+    IneqFeet_.clear();
+    return IneqFeet_;
+  }
   /* Default behavior return an inequality on CoP */
-  m_IneqCoP.clear();
-  return m_IneqCoP;
+  IneqCoP_.clear();
+  return IneqCoP_;
 }
 
 
 void
-IntermedQPMat::dumpObjective( const int aObjectiveType, std::ostream &aos )
+IntermedQPMat::dump_objective( const int aObjectiveType, std::ostream &aos )
 {
 
   switch(aObjectiveType)
-    {
-    case INSTANT_VELOCITY:
-      m_InstantVelocity.print(aos);
-      break;
+  {
+  case INSTANT_VELOCITY:
+    InstantVelocity_.print(aos);
+    break;
 
-    case JERK_MIN:
-      m_JerkMin.print(aos);
-      break;
+  case JERK_MIN:
+    JerkMin_.print(aos);
+    break;
 
-    case COP_CENTERING:
-      m_COPCentering.print(aos);
-      break;
-    }
+  case COP_CENTERING:
+    COPCentering_.print(aos);
+    break;
+  }
 
 }
 
 
 void
-IntermedQPMat::dumpState( std::ostream &aos )
+IntermedQPMat::dump_state( std::ostream &aos )
 {
   aos << "dumpState" << std::endl;
   aos << "=========" << std::endl;
@@ -200,22 +202,22 @@ IntermedQPMat::dumpState( std::ostream &aos )
 
 
 void
-IntermedQPMat::dumpObjective(const char * filename,
-			     const int type)
+IntermedQPMat::dump_objective(const char * filename,
+    const int type)
 {
   std::ofstream aof;
   aof.open(filename,std::ofstream::out);
-  dumpObjective(type,aof);
+  dump_objective(type,aof);
   aof.close();
 }
 
 
 void
-IntermedQPMat::dumpState(const char * filename)
+IntermedQPMat::dump_state(const char * filename)
 {
   std::ofstream aof;
   aof.open(filename,std::ofstream::out);
-  dumpState(aof);
+  dump_state(aof);
   aof.close();
 }
 
diff --git a/src/Mathematics/intermediate-qp-matrices.hh b/src/Mathematics/intermediate-qp-matrices.hh
index ba827c0b6cc542ef3ed690972b5879619c4e8921..a7f6f9e4b19c485fa388d8ed8746669fc744b312 100644
--- a/src/Mathematics/intermediate-qp-matrices.hh
+++ b/src/Mathematics/intermediate-qp-matrices.hh
@@ -143,9 +143,9 @@ namespace PatternGeneratorJRL
     /// \brief Getter and setter
 
     inline state_variant_t const & State() const
-    { return m_StateMatrices; };
+    { return StateMatrices_; };
     inline state_variant_t & State()
-    { return m_StateMatrices; };
+    { return StateMatrices_; };
 
     objective_variant_t const & Objective( int type ) const;
     objective_variant_t & Objective( int type );
@@ -157,32 +157,32 @@ namespace PatternGeneratorJRL
     linear_inequality_t & Inequalities( int type );
 
     inline com_t const & CoM() const
-    { return m_StateMatrices.CoM; };
+    { return StateMatrices_.CoM; };
     inline void CoM( const com_t & CoM )
-    { m_StateMatrices.CoM = CoM; };
+    { StateMatrices_.CoM = CoM; };
 
     inline reference_t const & Reference() const
-    { return m_StateMatrices.Ref; };
+    { return StateMatrices_.Ref; };
     inline reference_t & Reference()
-    { return m_StateMatrices.Ref; };
+    { return StateMatrices_.Ref; };
     inline void Reference( const reference_t & Ref )
-    { m_StateMatrices.Ref = Ref; };
+    { StateMatrices_.Ref = Ref; };
 
     inline support_state_t const & SupportState() const
-    { return m_StateMatrices.SupportState; };
+    { return StateMatrices_.SupportState; };
     inline support_state_t & SupportState()
-    { return m_StateMatrices.SupportState; };
+    { return StateMatrices_.SupportState; };
     inline void SupportState( const support_state_t & SupportState )
-    { m_StateMatrices.SupportState = SupportState; };
+    { StateMatrices_.SupportState = SupportState; };
     /// \}
 
     /// \name Displaying
     /// \{
-    /// \brief Dump objective matrices
-    void dumpObjective( const int ObjectiveType, std::ostream &aos );
-    void dumpState( std::ostream &aos );
-    void dumpObjective(const char * filename, const int Objectivetype);
-    void dumpState(const char * filename);
+    /// \brief Dump
+    void dump_objective( const int ObjectiveType, std::ostream &aos );
+    void dump_state( std::ostream &aos );
+    void dump_objective(const char * filename, const int Objectivetype);
+    void dump_state(const char * filename);
     /// \}
 
     //
@@ -191,39 +191,25 @@ namespace PatternGeneratorJRL
   private:
 
     objective_variant_t
-      m_MeanVelocity,
-      m_InstantVelocity,
-      m_COPCentering,
-      m_JerkMin;
+    MeanVelocity_,
+    InstantVelocity_,
+    COPCentering_,
+    JerkMin_;
 
     state_variant_t
-      m_StateMatrices;
+    StateMatrices_;
 
     dynamics_t
-      m_Position,
-      m_Velocity,
-      m_Acceleration,
-      m_Jerk,
-      m_CoP;
+    Position_,
+    Velocity_,
+    Acceleration_,
+    Jerk_,
+    CoP_;
 
     linear_inequality_t
-      m_IneqCoP,
-      m_IneqCoM,
-      m_IneqFeet;
-
-    /// \brief Cholesky decomposition of the initial objective function $Q$
-    MAL_MATRIX(m_LQ,double);
-    /// \brief Cholesky decomposition of the initial objective function $Q$
-    MAL_MATRIX(m_iLQ,double);
-    /// \brief Constant part of the constraint matrices.
-    MAL_MATRIX(m_iDu,double);
-    /// \brief Constant part of the constraint matrices.
-    MAL_MATRIX(m_Ds,double);
-    /// \brief Sub matrices to compute the linear part of the objective function $p^{\top}_k$.
-    MAL_MATRIX(m_OptA,double);
-    MAL_MATRIX(m_OptB,double);
-    MAL_MATRIX(m_OptC,double);
-    MAL_MATRIX(m_OptD,double);
+    IneqCoP_,
+    IneqCoM_,
+    IneqFeet_;
 
   };
 
diff --git a/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.cpp b/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.cpp
index c183867687b5bd7829f5f8f02ab323abd82375e3..30110db0884e80c7434d19f081be93c99a2ae937 100644
--- a/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.cpp
+++ b/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.cpp
@@ -29,7 +29,7 @@
 
   Andrei Herdt,
   Olivier Stasse,
-*/
+ */
 
 #include "portability/gettimeofday.hh"
 
@@ -50,9 +50,9 @@ using namespace PatternGeneratorJRL;
 
 
 ZMPVelocityReferencedQP::ZMPVelocityReferencedQP(SimplePluginManager *SPM,
-						 string DataFile,
-						 CjrlHumanoidDynamicRobot *aHS) :
-  ZMPRefTrajectoryGeneration(SPM)
+    string DataFile,
+    CjrlHumanoidDynamicRobot *aHS) :
+    ZMPRefTrajectoryGeneration(SPM)
 {
 
   TimeBuffer_ = 0.040;
@@ -109,9 +109,9 @@ ZMPVelocityReferencedQP::ZMPVelocityReferencedQP(SimplePluginManager *SPM,
 
   // Register method to handle
   string aMethodName[3] =
-    {":previewcontroltime",
-     ":numberstepsbeforestop",
-     ":stoppg"};
+      {":previewcontroltime",
+          ":numberstepsbeforestop",
+          ":stoppg"};
 
   for(int i=0;i<2;i++)
     {
@@ -183,9 +183,9 @@ ZMPVelocityReferencedQP::CallMethod(std::string & Method, std::istringstream &st
     }
   if (Method==":numberstepsbeforestop")
     {
-      unsigned NbStepsSSDS;
-      strm >> NbStepsSSDS;
-      SupportFSM_->NbStepsSSDS(NbStepsSSDS);
+      support_state_t & CurrentSupport = IntermedData_->SupportState();
+      strm >> CurrentSupport.NbStepsLeft;
+      SupportFSM_->NbStepsSSDS(CurrentSupport.NbStepsLeft);
     }
   if (Method==":stoppg" || ":finish")
     {
@@ -199,14 +199,14 @@ ZMPVelocityReferencedQP::CallMethod(std::string & Method, std::istringstream &st
 
 int
 ZMPVelocityReferencedQP::InitOnLine(deque<ZMPPosition> & FinalZMPTraj_deq,
-					deque<COMState> & FinalCoMPositions_deq,
-					deque<FootAbsolutePosition> & FinalLeftFootTraj_deq,
-					deque<FootAbsolutePosition> & FinalRightFootTraj_deq,
-					FootAbsolutePosition & InitLeftFootAbsolutePosition,
-					FootAbsolutePosition & InitRightFootAbsolutePosition,
-					deque<RelativeFootPosition> &, // RelativeFootPositions,
-					COMState & lStartingCOMState,
-					MAL_S3_VECTOR_TYPE(double) & lStartingZMPPosition)
+    deque<COMState> & FinalCoMPositions_deq,
+    deque<FootAbsolutePosition> & FinalLeftFootTraj_deq,
+    deque<FootAbsolutePosition> & FinalRightFootTraj_deq,
+    FootAbsolutePosition & InitLeftFootAbsolutePosition,
+    FootAbsolutePosition & InitRightFootAbsolutePosition,
+    deque<RelativeFootPosition> &, // RelativeFootPositions,
+    COMState & lStartingCOMState,
+    MAL_S3_VECTOR_TYPE(double) & lStartingZMPPosition)
 {
 
   FootAbsolutePosition CurrentLeftFootAbsPos, CurrentRightFootAbsPos;
@@ -260,10 +260,10 @@ ZMPVelocityReferencedQP::InitOnLine(deque<ZMPPosition> & FinalZMPTraj_deq,
       FinalRightFootTraj_deq[CurrentZMPindex] = CurrentRightFootAbsPos;
 
       FinalLeftFootTraj_deq[CurrentZMPindex].time =
-        FinalRightFootTraj_deq[CurrentZMPindex].time = m_CurrentTime;
+          FinalRightFootTraj_deq[CurrentZMPindex].time = m_CurrentTime;
 
       FinalLeftFootTraj_deq[CurrentZMPindex].stepType =
-        FinalRightFootTraj_deq[CurrentZMPindex].stepType = 10;
+          FinalRightFootTraj_deq[CurrentZMPindex].stepType = 10;
 
       m_CurrentTime += m_SamplingPeriod;
       CurrentZMPindex++;
@@ -307,10 +307,10 @@ ZMPVelocityReferencedQP::InitOnLine(deque<ZMPPosition> & FinalZMPTraj_deq,
 
 void
 ZMPVelocityReferencedQP::OnLine(double Time,
-				     deque<ZMPPosition> & FinalZMPTraj_deq,
-				     deque<COMState> & FinalCOMTraj_deq,
-				     deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
-				     deque<FootAbsolutePosition> &FinalRightFootTraj_deq)
+    deque<ZMPPosition> & FinalZMPTraj_deq,
+    deque<COMState> & FinalCOMTraj_deq,
+    deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
+    deque<FootAbsolutePosition> &FinalRightFootTraj_deq)
 {
 
   // If on-line mode not activated we go out.
@@ -378,9 +378,9 @@ ZMPVelocityReferencedQP::OnLine(double Time,
       // ------------------------------------------------------
       deque<double> PreviewedSupportAngles_deq;
       OrientPrw_->preview_orientations(Time+TimeBuffer_, VelRef_,
-				SupportFSM_->StepPeriod(), CurrentSupport,
-				FinalLeftFootTraj_deq, FinalRightFootTraj_deq,
-	                        PreviewedSupportAngles_deq);
+          SupportFSM_->StepPeriod(), CurrentSupport,
+          FinalLeftFootTraj_deq, FinalRightFootTraj_deq,
+          PreviewedSupportAngles_deq);
 
 
       // COMPUTE REFERENCE IN THE GLOBAL FRAME:
@@ -419,27 +419,27 @@ ZMPVelocityReferencedQP::OnLine(double Time,
       FinalRightFootTraj_deq.resize((int)((QP_T_+TimeBuffer_)/m_SamplingPeriod));
       int CurrentIndex = (int)(TimeBuffer_/m_SamplingPeriod)-1;
       CoM_.Interpolation(FinalCOMTraj_deq,
-			      FinalZMPTraj_deq,
-			      CurrentIndex,
-			      Result.Solution_vec[0],Result.Solution_vec[QP_N_]);
+          FinalZMPTraj_deq,
+          CurrentIndex,
+          Result.Solution_vec[0],Result.Solution_vec[QP_N_]);
       CoM_.OneIteration(Result.Solution_vec[0],Result.Solution_vec[QP_N_]);
 
 
       // COMPUTE ORIENTATION OF TRUNK:
       // -----------------------------
       OrientPrw_->interpolate_trunk_orientation(Time+TimeBuffer_, CurrentIndex,
-                            m_SamplingPeriod, CurrentSupport,
-                            FinalCOMTraj_deq);
+          m_SamplingPeriod, CurrentSupport,
+          FinalCOMTraj_deq);
 
 
       // INTERPOLATE THE COMPUTED FEET POSITIONS:
       // ----------------------------------------
       unsigned int NumberStepsPrwd = PrwSupportStates_deq.back().StepNumber;
       OFTG_->interpolate_feet_positions(Time+TimeBuffer_,
-                               CurrentIndex, CurrentSupport,
-                               Result.Solution_vec[2*QP_N_], Result.Solution_vec[2*QP_N_+NumberStepsPrwd],
-                               PreviewedSupportAngles_deq,
-			       FinalLeftFootTraj_deq, FinalRightFootTraj_deq);
+          CurrentIndex, CurrentSupport,
+          Result.Solution_vec[2*QP_N_], Result.Solution_vec[2*QP_N_+NumberStepsPrwd],
+          PreviewedSupportAngles_deq,
+          FinalLeftFootTraj_deq, FinalRightFootTraj_deq);
 
 
       // Specify that we are in the ending phase.
@@ -457,7 +457,7 @@ ZMPVelocityReferencedQP::OnLine(double Time,
       // Compute CPU consumption time.
       gettimeofday(&end,0);
       CurrentCPUTime = end.tv_sec - start.tv_sec +
-        0.000001 * (end.tv_usec - start.tv_usec);
+          0.000001 * (end.tv_usec - start.tv_usec);
       TotalAmountOfCPUTime += CurrentCPUTime;
     }
 
@@ -465,45 +465,45 @@ ZMPVelocityReferencedQP::OnLine(double Time,
 
 
 void ZMPVelocityReferencedQP::GetZMPDiscretization(deque<ZMPPosition> & ,
-						   deque<COMState> & ,
-						   deque<RelativeFootPosition> &,
-						   deque<FootAbsolutePosition> &,
-						   deque<FootAbsolutePosition> &,
-						   double ,
-						   COMState &,
-						   MAL_S3_VECTOR(&,double),
-						   FootAbsolutePosition & ,
-						   FootAbsolutePosition & )
+    deque<COMState> & ,
+    deque<RelativeFootPosition> &,
+    deque<FootAbsolutePosition> &,
+    deque<FootAbsolutePosition> &,
+    double ,
+    COMState &,
+    MAL_S3_VECTOR(&,double),
+    FootAbsolutePosition & ,
+    FootAbsolutePosition & )
 {
 }
 
 
 void ZMPVelocityReferencedQP::OnLineAddFoot(RelativeFootPosition & ,
-					    deque<ZMPPosition> & ,
-					    deque<COMState> & ,
-					    deque<FootAbsolutePosition> &,
-					    deque<FootAbsolutePosition> &,
-					    bool)
+    deque<ZMPPosition> & ,
+    deque<COMState> & ,
+    deque<FootAbsolutePosition> &,
+    deque<FootAbsolutePosition> &,
+    bool)
 {
   cout << "To be implemented" << endl;
 }
 
 int ZMPVelocityReferencedQP::OnLineFootChange(double ,
-					      FootAbsolutePosition &,
-					      deque<ZMPPosition> & ,
-					      deque<COMState> & ,
-					      deque<FootAbsolutePosition> &,
-					      deque<FootAbsolutePosition> &,
-					      StepStackHandler  *)
+    FootAbsolutePosition &,
+    deque<ZMPPosition> & ,
+    deque<COMState> & ,
+    deque<FootAbsolutePosition> &,
+    deque<FootAbsolutePosition> &,
+    StepStackHandler  *)
 {
   cout << "To be implemented" << endl;
   return -1;
 }
 
 void ZMPVelocityReferencedQP::EndPhaseOfTheWalking(deque<ZMPPosition> &, 
-						   deque<COMState> &,
-						   deque<FootAbsolutePosition> &,
-						   deque<FootAbsolutePosition> &)
+    deque<COMState> &,
+    deque<FootAbsolutePosition> &,
+    deque<FootAbsolutePosition> &)
 {
   cout << "To be implemented" << endl;
 }
diff --git a/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.h b/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.h
index 3dfaebb25ae400e93aebe08a7424976c851d1f9d..c203920708037868ba103696ecf892f6315b62f4 100644
--- a/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.h
+++ b/src/ZMPRefTrajectoryGeneration/ZMPVelocityReferencedQP.h
@@ -24,9 +24,8 @@
  *  Research carried out within the scope of the
  *  Joint Japanese-French Robotics Laboratory (JRL)
  */
-/*! This object provides the generation of ZMP and CoM trajectory
-  using a new formulation of the stability problem.
-*/
+/*! Generate ZMP and CoM trajectories using Herdt2010IROS
+ */
 
 #ifndef _ZMPVELOCITYREFERENCEDQP_WITH_CONSTRAINT_H_
 #define _ZMPVELOCITYREFERENCEDQP_WITH_CONSTRAINT_H_
@@ -62,7 +61,7 @@ namespace PatternGeneratorJRL
 
     /* Default constructor. */
     ZMPVelocityReferencedQP(SimplePluginManager *SPM, string DataFile,
-			    CjrlHumanoidDynamicRobot *aHS=0);
+        CjrlHumanoidDynamicRobot *aHS=0);
 
     /* Default destructor. */
     ~ZMPVelocityReferencedQP();
@@ -83,24 +82,24 @@ namespace PatternGeneratorJRL
       - The starting COM Position will NOT be taken into account.
       Returns the number of steps which has been completely put inside
       the queue of ZMP, and foot positions.
-    */
+     */
     int InitOnLine(deque<ZMPPosition> & FinalZMPPositions,
-		   deque<COMState> & CoMStates,
-		   deque<FootAbsolutePosition> & FinalLeftFootTraj_deq,
-		   deque<FootAbsolutePosition> & FinalRightFootTraj_deq,
-		   FootAbsolutePosition & InitLeftFootAbsolutePosition,
-		   FootAbsolutePosition & InitRightFootAbsolutePosition,
-		   deque<RelativeFootPosition> &RelativeFootPositions,
-		   COMState & lStartingCOMState,
-		   MAL_S3_VECTOR_TYPE(double) & lStartingZMPPosition);
+        deque<COMState> & CoMStates,
+        deque<FootAbsolutePosition> & FinalLeftFootTraj_deq,
+        deque<FootAbsolutePosition> & FinalRightFootTraj_deq,
+        FootAbsolutePosition & InitLeftFootAbsolutePosition,
+        FootAbsolutePosition & InitRightFootAbsolutePosition,
+        deque<RelativeFootPosition> &RelativeFootPositions,
+        COMState & lStartingCOMState,
+        MAL_S3_VECTOR_TYPE(double) & lStartingZMPPosition);
 
 
     /// \brief Update the stacks on-line
     void OnLine(double time,
-		deque<ZMPPosition> & FinalZMPPositions,
-		deque<COMState> & CoMStates,
-		deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
-		deque<FootAbsolutePosition> &FinalRightFootTraj_deq);
+        deque<ZMPPosition> & FinalZMPPositions,
+        deque<COMState> & CoMStates,
+        deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
+        deque<FootAbsolutePosition> &FinalRightFootTraj_deq);
 
 
     /// \name Accessors
@@ -140,7 +139,7 @@ namespace PatternGeneratorJRL
 
     /// \brief Perturbation trigger
     bool PerturbationOccured_;
-    
+
     /// \brief Final stage trigger
     bool EndingPhase_;
 
@@ -186,44 +185,39 @@ namespace PatternGeneratorJRL
     /// \brief Nb. samlings inside preview window
     int QP_N_;
 
-    
-  public:
 
-    /*! Methods to comply with the initial interface of ZMPRefTrajectoryGeneration.
-      TODO: Change the internal structure to make those methods not mandatory
-      for compiling.
-    */
+  public:
 
     void GetZMPDiscretization(std::deque<ZMPPosition> & ZMPPositions,
-			      std::deque<COMState> & COMStates,
-			      std::deque<RelativeFootPosition> &RelativeFootPositions,
-			      std::deque<FootAbsolutePosition> &LeftFootAbsolutePositions,
-			      std::deque<FootAbsolutePosition> &RightFootAbsolutePositions,
-			      double Xmax,
-			      COMState & lStartingCOMState,
-			      MAL_S3_VECTOR_TYPE(double) & lStartingZMPPosition,
-			      FootAbsolutePosition & InitLeftFootAbsolutePosition,
-			      FootAbsolutePosition & InitRightFootAbsolutePosition);
+        std::deque<COMState> & COMStates,
+        std::deque<RelativeFootPosition> &RelativeFootPositions,
+        std::deque<FootAbsolutePosition> &LeftFootAbsolutePositions,
+        std::deque<FootAbsolutePosition> &RightFootAbsolutePositions,
+        double Xmax,
+        COMState & lStartingCOMState,
+        MAL_S3_VECTOR_TYPE(double) & lStartingZMPPosition,
+        FootAbsolutePosition & InitLeftFootAbsolutePosition,
+        FootAbsolutePosition & InitRightFootAbsolutePosition);
 
     void OnLineAddFoot(RelativeFootPosition & NewRelativeFootPosition,
-		       std::deque<ZMPPosition> & FinalZMPPositions,
-		       std::deque<COMState> & COMStates,
-		       std::deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
-		       std::deque<FootAbsolutePosition> &FinalRightFootTraj_deq,
-		       bool EndSequence);
+        std::deque<ZMPPosition> & FinalZMPPositions,
+        std::deque<COMState> & COMStates,
+        std::deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
+        std::deque<FootAbsolutePosition> &FinalRightFootTraj_deq,
+        bool EndSequence);
 
     int OnLineFootChange(double time,
-			 FootAbsolutePosition &aFootAbsolutePosition,
-			 deque<ZMPPosition> & FinalZMPPositions,
-			 deque<COMState> & CoMPositions,
-			 deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
-			 deque<FootAbsolutePosition> &FinalRightFootTraj_deq,
-			 StepStackHandler  *aStepStackHandler);
+        FootAbsolutePosition &aFootAbsolutePosition,
+        deque<ZMPPosition> & FinalZMPPositions,
+        deque<COMState> & CoMPositions,
+        deque<FootAbsolutePosition> &FinalLeftFootTraj_deq,
+        deque<FootAbsolutePosition> &FinalRightFootTraj_deq,
+        StepStackHandler  *aStepStackHandler);
 
     void EndPhaseOfTheWalking(deque<ZMPPosition> &ZMPPositions,
-			      deque<COMState> &FinalCOMTraj_deq,
-			      deque<FootAbsolutePosition> &LeftFootAbsolutePositions,
-			      deque<FootAbsolutePosition> &RightFootAbsolutePositions);
+        deque<COMState> &FinalCOMTraj_deq,
+        deque<FootAbsolutePosition> &LeftFootAbsolutePositions,
+        deque<FootAbsolutePosition> &RightFootAbsolutePositions);
 
     int ReturnOptimalTimeToRegenerateAStep();
   };
diff --git a/src/privatepgtypes.h b/src/privatepgtypes.h
index 832c15e648207913664c36dc71a6b8fdfbb6916d..01524ecb42873d0e0ec1dff27ab86fa596441ccb 100644
--- a/src/privatepgtypes.h
+++ b/src/privatepgtypes.h
@@ -62,8 +62,6 @@ namespace PatternGeneratorJRL
 
     /// \brief (true) -> New single support state
     bool StateChanged;
-    /// \brief StepsLeft
-    bool StepsLeftChanged;
 
 
     struct support_state_s & operator = (const support_state_s &aSS);