1 files changed, 10 insertions, 10 deletions

diff --git a/src/CuTNetLib/cuCompDisc.h b/src/CuTNetLib/cuCompDisc.h
index 5b3232e..937b785 100644
--- a/src/CuTNetLib/cuCompDisc.h
+++ b/src/CuTNetLib/cuCompDisc.h
@@ -110,12 +110,12 @@ namespace TNet {
       void ReadFromStream(std::istream& rIn);
       void WriteToStream(std::ostream& rOut);
       
-      int GetInSect()
+      int GetInSect() const
       {
         return inID.size();
       }
       
-      int GetOutSect()
+      int GetOutSect() const
       {
         return outID.size();
       }
@@ -139,31 +139,31 @@ namespace TNet {
       }
       
       /// IO Data getters
-      CuMatrix<BaseFloat>& GetInput(int pos=0)
+      const CuMatrix<BaseFloat>& GetInput(int pos=0)
       {
         if (preComp!=NULL)
           return preComp->GetOutput(pos);
         return *mpInput;
       }
-      CuMatrix<BaseFloat>& GetOutput(int pos=0)
+      const CuMatrix<BaseFloat>& GetOutput(int pos=0)
       {
         CuComponent* pComp=FindOutput(pos);
         return pComp->GetOutput(pos);
       }
-      CuMatrix<BaseFloat>& GetErrorInput(int pos=0)
+      const CuMatrix<BaseFloat>& GetErrorInput(int pos=0)
       {
         if (nxtComp!=NULL)
           return nxtComp->GetErrorOutput(pos);
         return *mpErrorInput;
       }
-      CuMatrix<BaseFloat>& GetErrorOutput(int pos=0)
+      const CuMatrix<BaseFloat>& GetErrorOutput(int pos=0)
       {
         CuComponent* pComp=FindInput(pos);
         return pComp->GetErrorOutput(pos);
       }
 
       /// Set input vector (bind with the preceding NetworkComponent)
-      void SetInput(CuMatrix<BaseFloat>& rInput,int pos=0)
+      void SetInput(const CuMatrix<BaseFloat>& rInput,int pos=0)
       {
         if (pos==0)
           mpInput=&rInput;
@@ -171,7 +171,7 @@ namespace TNet {
         pComp->SetInput(rInput,pos);
       }          
       /// Set error input vector (bind with the following NetworkComponent) 
-      void SetErrorInput(CuMatrix<BaseFloat>& rErrorInput,int pos=0)
+      void SetErrorInput(const CuMatrix<BaseFloat>& rErrorInput,int pos=0)
       {
         if (pos==0)
           mpErrorInput=&rErrorInput;
@@ -238,8 +238,8 @@ namespace TNet {
       void ReadFromStream(std::istream& rIn);
       void WriteToStream(std::ostream& rOut);
       
-      void PropagateF(CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y);
-      void BackpropagateF(CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y);
+      void PropagateF(const CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y);
+      void BackpropagateF(const CuMatrix<BaseFloat>& X, CuMatrix<BaseFloat>& Y);
 
     protected: