diff --git a/source/trunk/Model/Equivalence/EQM_MLP_PWR_MOX.cxx b/source/trunk/Model/Equivalence/EQM_MLP_PWR_MOX.cxx
index d1ba8bcd06cfcfc0b7929d420c5b636590150dbc..684936b22cc649d5e417e919b1abbcefaf98d24f 100644
--- a/source/trunk/Model/Equivalence/EQM_MLP_PWR_MOX.cxx
+++ b/source/trunk/Model/Equivalence/EQM_MLP_PWR_MOX.cxx
@@ -126,8 +126,6 @@ TTree* EQM_MLP_MOX::CreateTMVAInputTree(IsotopicVector Fissil,IsotopicVector Fer
 	U5_enrichment = U5 / UTOT;
 
 	BU=BurnUp;
-	//cout<<"Pu8 "<<Pu8 <<" Pu9 "<< Pu9 <<" Pu10 "<< Pu10 << " Pu11 "<< Pu11 <<" Pu12 "<<Pu12 <<" Am1 "<<Am1<<endl;
-	//cout<<"BU "<<BU<<" U5_enrichment "<<U5_enrichment<<endl;
 	if(Pu8 + Pu9 + Pu10 + Pu11 + Pu12 + Am1 > 1.00001 )//?????1.00001??? I don't know it! goes in condition if =1 !! may be float/double issue ...
 	{
 		ERROR << Pu8 << " " << Pu9 << " " << Pu10 << " " << Pu11 << " " << Pu12 << " " << Am1 << endl;
diff --git a/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.cxx b/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.cxx
index ebf2dd1f7ca926cf1651ab71648b90850fe4f130..7cd78ba705763d7df632043b7df7c4a0ff83603f 100644
--- a/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.cxx
+++ b/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.cxx
@@ -1,34 +1,33 @@
-#include "EquivalenceModel.hxx" 
-#include "EQM_POL_PWR_UO2.hxx" 
+#include "EquivalenceModel.hxx"
+#include "EQM_POL_PWR_UO2.hxx"
 #include "CLASSLogger.hxx"
-/*Whatever include you need */
-// ________________________________________________________________________ 
+
+
+// ________________________________________________________________________
 // EQM_POL_PWR_UO2
 //
 // Brief description
-// ________________________________________________________________________ 
+// ________________________________________________________________________
+
+
+
+
 //Constructor(s)
-EQM_POL_PWR_UO2::EQM_POL_PWR_UO2 ( /*parameters*/ ) 
+EQM_POL_PWR_UO2::EQM_POL_PWR_UO2()
 {
-//.....Do whatever you want with your parameters 
-/*
-Fill the two isotopic vectors fFissileList and fFertileList
-see explanation in the manual */
-// Fertile
-ZAI U8(92 ,238 ,0) ;
-fFertileList = U8*1;
-// Fissile
-ZAI U5(92 ,235 ,0) ;
-// ...
-fFissileList = U5*1;
+	
+	// Fertile
+	ZAI U8(92 ,238 ,0) ;
+	fFertileList = U8*1;
+	// Fissile
+	ZAI U5(92 ,235 ,0) ;
+	// ...
+	fFissileList = U5*1;
 }
 // _______________________________________________________________________
 double EQM_POL_PWR_UO2::GetFissileMolarFraction ( IsotopicVector Fissil , IsotopicVector Fertil , double BurnUp )
 {
-/*Code your Equivalence Model : This function has to return the molar fraction of fissile in 
-the fuel needed to reach the BurnUp(GWd/tHM) according to
-the composition of the Fissil and Fertil vectors
-*/
-return 0.0125575 + 0.00053602*BurnUp + 1.80023e-06*BurnUp*BurnUp ;
 
+	return 0.0125575 + 0.00053602*BurnUp + 1.80023e-06*BurnUp*BurnUp ;
+	
 }
\ No newline at end of file
diff --git a/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.hxx b/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.hxx
index 90add1cbd074ebf13f990da83e36fa012b8b9d3e..67fa734a27dd76f8412a618c2f5b0b6f5f94fefe 100644
--- a/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.hxx
+++ b/source/trunk/Model/Equivalence/EQM_POL_PWR_UO2.hxx
@@ -1,26 +1,33 @@
 #ifndef _EQM_POL_PWR_UO2_HXX
 #define _EQM_POL_PWR_UO2_HXX
-#include "EquivalenceModel.hxx" 
+
+#include "EquivalenceModel.hxx"
+
 using namespace std;
+
 //−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−//
 /*!
-Define a EQM_POL_PWR_UO2
-Explain briefly what is it . @author YourName
-@version 3.0
-*/
+ Define a EQM_POL_PWR_UO2
+ Explain briefly what is it . @author BaM
+ @version 3.0
+ */
 //________________________________________________________________________
-class EQM_POL_PWR_UO2 : public EquivalenceModel
-{
-  public:
-/*Constructor*/
-EQM_POL_PWR_UO2(/*parameters*/ ); //!< Explain what is the parameters (if any)
 
-/**This function IS the equivalence model**/
-double GetFissileMolarFraction(IsotopicVector Fissil, IsotopicVector Fertil,double BurnUp) ; // !<Return the molar fraction of fissile element
 
-  private:
-/*Your private variables */ 
 
+class EQM_POL_PWR_UO2 : public EquivalenceModel
+{
+	
+public:
+	/*Constructor*/
+	EQM_POL_PWR_UO2( ); 
+	
+	/**This function IS the equivalence model**/
+	double GetFissileMolarFraction(IsotopicVector Fissil, IsotopicVector Fertil,double BurnUp) ; // !<Return the molar fraction of fissile element
+	
+private:
+	/*Your private variables */
+	
 };
 
 #endif
\ No newline at end of file
diff --git a/source/trunk/Model/XS/XSM_MLP.cxx b/source/trunk/Model/XS/XSM_MLP.cxx
index 7862f11b46f0c13b83978ab9956f741e01101cf4..1ae0e7f394a8233ae85480af1ea0afa2ba2aae5c 100644
--- a/source/trunk/Model/XS/XSM_MLP.cxx
+++ b/source/trunk/Model/XS/XSM_MLP.cxx
@@ -402,12 +402,12 @@ EvolutionData XSM_MLP::GetCrossSectionsTime(IsotopicVector IV)
 				double XSValue = ExecuteTMVA(fWeightFiles[i],InputTree );
 				if(IResult.second )
 				{
-					(IResult.first)->second->SetPoint(0, (double)GetMLPTime()[TimeStep], XSValue );
+					(IResult.first)->second->SetPoint(0, (double)fMLP_Time[TimeStep], XSValue );
 
 				}
 				else
 				{
-					(IResult.first)->second->SetPoint( (IResult.first)->second->GetN(), (double)GetMLPTime()[TimeStep], XSValue );
+					(IResult.first)->second->SetPoint( (IResult.first)->second->GetN(), (double)fMLP_Time[TimeStep], XSValue );
 				}
 
 				delete InputTree;
@@ -477,7 +477,6 @@ void XSM_MLP::ReadWeightFileStep(string Filename, int &Z, int &A, int &I, int &R
 EvolutionData XSM_MLP::GetCrossSectionsStep(IsotopicVector IV)
 {DBGL
 	TTree* InputTree=CreateTMVAInputTree(IV);
-	//cout<<"=====Building Evolution Data From TMVA MLP====="<<endl;
 
 	EvolutionData EvolutionDataFromMLP = EvolutionData();
 
@@ -508,11 +507,11 @@ EvolutionData XSM_MLP::GetCrossSectionsStep(IsotopicVector IV)
 	
 			if( IResult.second )
 			{
-				(IResult.first)->second->SetPoint(0, (double)GetMLPTime()[TimeStep], ExecuteTMVA(fWeightFiles[i],InputTree) );
+				(IResult.first)->second->SetPoint(0, (double)fMLP_Time[TimeStep], ExecuteTMVA(fWeightFiles[i],InputTree) );
 			}
 			else
 			{
-				(IResult.first)->second->SetPoint( (IResult.first)->second->GetN(), (double)GetMLPTime()[TimeStep], ExecuteTMVA(fWeightFiles[i],InputTree) );
+				(IResult.first)->second->SetPoint( (IResult.first)->second->GetN(), (double)fMLP_Time[TimeStep], ExecuteTMVA(fWeightFiles[i],InputTree) );
 			}
 		}
 	}
diff --git a/source/trunk/Model/XS/XSM_MLP.hxx b/source/trunk/Model/XS/XSM_MLP.hxx
index e790c63ec26793858c5a390dae9429addd0cab3e..d75d1532cc04d231154924a732b0b10f4013e8df 100644
--- a/source/trunk/Model/XS/XSM_MLP.hxx
+++ b/source/trunk/Model/XS/XSM_MLP.hxx
@@ -49,38 +49,45 @@ class XSM_MLP : public XSModel
 
 	 */
 	XSM_MLP(string TMVA_Weight_Directory,string InformationFile="",bool IsTimeStep=false);
+	
 	XSM_MLP(CLASSLogger* Log,string TMVA_Weight_Directory,string InformationFile="",bool IsTimeStep=false);
+	
 	~XSM_MLP();
 	//{
 
 
- 	virtual EvolutionData GetCrossSections(IsotopicVector IV,double t=0) ;//!< Return calculated cross section by the MLP regression
+ 	virtual EvolutionData GetCrossSections(IsotopicVector IV,double t=0);	//!< Return calculated cross section by the MLP regression
 
 
 	private :
-	void GetDataBaseInformation(); //<! Read information file and fill Reactor Type, Fuel type,  HM mass, Power, time vector, and TMVA input variables names (looks at Data Bases example for format details)
-	vector<double> GetMLPTime() {return fMLP_Time; }//<! Return time vector (seconds) defined in the DataBaseInformation file
+	
+	void GetDataBaseInformation();		//<! Read information file and fill Reactor Type, Fuel type, HM mass, Power, time vector, and TMVA input variables names
+
+ 	void GetMLPWeightFiles();				//<! Find all .xml file in TMVA_Weight_Directory
+	EvolutionData GetCrossSectionsStep(IsotopicVector IV);	//!< Return calculated cross section by the MLP regression when fIsTimeStep==true
+	EvolutionData GetCrossSectionsTime(IsotopicVector IV);	//!< Return calculated cross section by the MLP regression when fIsTimeStep==false
+	
+	void ReadWeightFile(string Filename, int &Z, int &A, int &I, int &Reaction) ;	//<! Select the reaction according to the weight file name
+	void ReadWeightFileStep(string Filename, int &Z, int &A, int &I, int &Reaction, int &TimeStep);; 	//<! Select the reaction according to the weight file name
 
- 	void GetMLPWeightFiles();//<! Find all .xml file in TMVA_Weight_Directory
- 	void ReadWeightFile(string Filename, int &Z, int &A, int &I, int &Reaction) ;//<! Select the reaction according to the weight file name (file name is formated !!) read the manual to know it (formated for fIsTimeStep==false)
- 	double ExecuteTMVA(string WeightFile, TTree* InputTree);//!<Execute the MLP according to the input tree created by CreateTMVAInputTree
- 	TTree* CreateTMVAInputTree(IsotopicVector isotopicvector,int TimeStep=0);//!<Create input tmva tree to be read by ExecuteTMVA
- 	EvolutionData GetCrossSectionsTime(IsotopicVector IV) ;//!< Return calculated cross section by the MLP regression when fIsTimeStep==false
 
- 	void ReadWeightFileStep(string Filename, int &Z, int &A, int &I, int &Reaction, int &TimeStep) ;//<! Select the reaction according to the weight file name (file name is formated !!) read the manual to know it (formated for fIsTimeStep==true)
- 	EvolutionData GetCrossSectionsStep(IsotopicVector IV) ;//!< Return calculated cross section by the MLP regression when fIsTimeStep==true
 
+	double ExecuteTMVA(string WeightFile, TTree* InputTree);			//!<Execute the MLP according to the input tree created
+	TTree* CreateTMVAInputTree(IsotopicVector isotopicvector,int TimeStep=0);	//!<Create input tmva tree to be read by ExecuteTMVA
 
 
- 	vector<double> 	fMLP_Time;//<! Time vector of the data base
- 	vector<string> 	fWeightFiles;//<! All the weight file contains in fTMVAWeightFolder
- 	string fTMVAWeightFolder;//<!  folder containing all the weight file
- 	string fMLPInformationFile;//<! file containing Reactor Type, Fuel type, HM mass, Power, time vector, and TMVA input variables names (looks the manual for format details)
- 	double fDataBasePower;//<!Power of the data base (read from fMLPInformationFile )
- 	double fDataBaseHMMass;//<!Heavy metal mass of the data base (read from fMLPInformationFile )
- 	string fDataBaseFType;	//<! Reactor Type (e.g PWR, RNR, ADS..)
- 	string fDataBaseRType;	//<! Fuel Type    (e.g MOX, UOX, ThU, ThPu ...)
- 	bool fIsStepTime;//<!true if one TMVA weihgt per step time is requiered otherwise it assumes time is part of the MLP inputs
+ 	vector<double> 	fMLP_Time;	//<! Time vector of the data base
+ 	vector<string> 	fWeightFiles;	//<! All the weight file contains in fTMVAWeightFolder
+	
+	string fTMVAWeightFolder;	//<! folder containing all the weight file
+ 	string fMLPInformationFile;	//<! file containing Reactor Type, Fuel type, HM mass, Power, time vector, and TMVA input variables names (looks the manual for format details)
+	
+	double fDataBasePower;		//<!Power of the data base (read from fMLPInformationFile )
+ 	double fDataBaseHMMass;		//<!Heavy metal mass of the data base (read from fMLPInformationFile )
+ 	string fDataBaseFType;		//<! Reactor Type (e.g PWR, RNR, ADS..)
+ 	string fDataBaseRType;		//<! Fuel Type    (e.g MOX, UOX, ThU, ThPu ...)
+	
+ 	bool fIsStepTime;		//<!true if one TMVA weihgt per step time is requiered otherwise it assumes time is part of the MLP inputs
 
  	map<ZAI,string> fMapOfTMVAVariableNames;//<! List of TMVA input variable names (read from fMLPInformationFile ) , name depends on the training step
 	
diff --git a/source/trunk/include/Storage.hxx b/source/trunk/include/Storage.hxx
index e80688e77a5527872dfb8ad0df8f109ef43f4695..7b7df5f96271d7a1043b8be17ffd4ddba18edeef 100644
--- a/source/trunk/include/Storage.hxx
+++ b/source/trunk/include/Storage.hxx
@@ -104,8 +104,8 @@ public :
 	 */
 	//@{
 		
-	void TakeFractionFromStock(int IVId,double fraction);						//!< Take a part from an IV in sotck;
-	void TakeFromStock(IsotopicVector isotopicvector);						//!<
+	void TakeFractionFromStock(int IVId,double fraction);		//!< Take a part from an IV in sotck;
+	void TakeFromStock(IsotopicVector isotopicvector);		//!<
 
 
 	void AddIV(IsotopicVector isotopicvector);					//!< Add an Isotopicvector to the IVArray
diff --git a/source/trunk/src/IrradiationModel.cxx b/source/trunk/src/IrradiationModel.cxx
index 096b3efe4cb20a759ed3dffc7429a3b27031190f..2055a9b620343db153c9824f733f5d4a1412d783 100644
--- a/source/trunk/src/IrradiationModel.cxx
+++ b/source/trunk/src/IrradiationModel.cxx
@@ -310,7 +310,7 @@ void IrradiationModel::GetNuclearProcessMatrix(TMatrixT<double> &NuclearProcessM
 		}
 	}
 	else
-		WARNING << " Can't have nuclear process on this nucleus, ZAI : " << Mother.Z() << " " << Mother.A() << " " << Mother.I() << " its halflife seems to be below the threshold!" << endl;
+		WARNING << " Can't have nuclear process on this nucleus, ZAI " << Mother.Z() << " " << Mother.A() << " " << Mother.I() << " : its halflife seems to be below the threshold!" << endl;
 		
 	DBGL
 }
@@ -580,7 +580,9 @@ TMatrixT<double> IrradiationModel::GetFissionXsMatrix(EvolutionData EvolutionDat
 			GetNuclearProcessMatrix( FissionMatrix, Mother, FissionProductIV,  XS_Value );	// add the Nuclear process in the Reaction Matrix
 		else
 		{
-			WARNING << "Don't have fission Yield for this nuclei, ZAI : " << Mother.Z() << " " << Mother.A() << " " << Mother.I() << endl;
+			if(fReactionYieldFile!="")
+				WARNING << "Don't have fission Yield for this nuclei, ZAI : " << Mother.Z() << " " << Mother.A() << " " << Mother.I() << endl;
+			
 			GetNuclearProcessMatrix(FissionMatrix, Mother, ZAI(-2, -2, -2) * 2 , XS_Value );	// add the Nuclear process in the Reaction Matrix
 		}