From 00bf7f4d4255220eec3b197c05d61aea37bdcac1 Mon Sep 17 00:00:00 2001
From: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
Date: Mon, 1 Jun 2015 12:25:59 +0100
Subject: [PATCH] Const safety

---
 lib/cshift/Grid_cshift_common.h |  8 ++++----
 lib/cshift/Grid_cshift_mpi.h    | 10 +++++-----
 lib/cshift/Grid_cshift_none.h   |  2 +-
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/lib/cshift/Grid_cshift_common.h b/lib/cshift/Grid_cshift_common.h
index 06e812d9..ffa3f771 100644
--- a/lib/cshift/Grid_cshift_common.h
+++ b/lib/cshift/Grid_cshift_common.h
@@ -153,7 +153,7 @@ PARALLEL_NESTED_LOOP2
 //////////////////////////////////////////////////////
 // local to node block strided copies
 //////////////////////////////////////////////////////
-template<class vobj> void Copy_plane(Lattice<vobj>& lhs,Lattice<vobj> &rhs, int dimension,int lplane,int rplane,int cbmask)
+template<class vobj> void Copy_plane(Lattice<vobj>& lhs,const Lattice<vobj> &rhs, int dimension,int lplane,int rplane,int cbmask)
 {
   int rd = rhs._grid->_rdimensions[dimension];
 
@@ -182,7 +182,7 @@ PARALLEL_NESTED_LOOP2
   
 }
 
-template<class vobj> void Copy_plane_permute(Lattice<vobj>& lhs,Lattice<vobj> &rhs, int dimension,int lplane,int rplane,int cbmask,int permute_type)
+template<class vobj> void Copy_plane_permute(Lattice<vobj>& lhs,const Lattice<vobj> &rhs, int dimension,int lplane,int rplane,int cbmask,int permute_type)
 {
  
   int rd = rhs._grid->_rdimensions[dimension];
@@ -212,7 +212,7 @@ PARALLEL_NESTED_LOOP2
 //////////////////////////////////////////////////////
 // Local to node Cshift
 //////////////////////////////////////////////////////
-template<class vobj> void Cshift_local(Lattice<vobj>& ret,Lattice<vobj> &rhs,int dimension,int shift)
+template<class vobj> void Cshift_local(Lattice<vobj>& ret,const Lattice<vobj> &rhs,int dimension,int shift)
 {
   int sshift[2];
 
@@ -227,7 +227,7 @@ template<class vobj> void Cshift_local(Lattice<vobj>& ret,Lattice<vobj> &rhs,int
   }
 }
 
-template<class vobj> Lattice<vobj> Cshift_local(Lattice<vobj> &ret,Lattice<vobj> &rhs,int dimension,int shift,int cbmask)
+template<class vobj> Lattice<vobj> Cshift_local(Lattice<vobj> &ret,const Lattice<vobj> &rhs,int dimension,int shift,int cbmask)
 {
   GridBase *grid = rhs._grid;
   int fd = grid->_fdimensions[dimension];
diff --git a/lib/cshift/Grid_cshift_mpi.h b/lib/cshift/Grid_cshift_mpi.h
index 3b3fad29..9cdfd316 100644
--- a/lib/cshift/Grid_cshift_mpi.h
+++ b/lib/cshift/Grid_cshift_mpi.h
@@ -4,7 +4,7 @@
 
 namespace Grid { 
 
-template<class vobj> Lattice<vobj> Cshift(Lattice<vobj> &rhs,int dimension,int shift)
+template<class vobj> Lattice<vobj> Cshift(const Lattice<vobj> &rhs,int dimension,int shift)
 {
   typedef typename vobj::vector_type vector_type;
   typedef typename vobj::scalar_type scalar_type;
@@ -35,7 +35,7 @@ template<class vobj> Lattice<vobj> Cshift(Lattice<vobj> &rhs,int dimension,int s
   return ret;
 }
 
-template<class vobj> void Cshift_comms(Lattice<vobj>& ret,Lattice<vobj> &rhs,int dimension,int shift)
+template<class vobj> void Cshift_comms(Lattice<vobj>& ret,const Lattice<vobj> &rhs,int dimension,int shift)
 {
   int sshift[2];
 
@@ -50,7 +50,7 @@ template<class vobj> void Cshift_comms(Lattice<vobj>& ret,Lattice<vobj> &rhs,int
   }
 }
 
-template<class vobj> void Cshift_comms_simd(Lattice<vobj>& ret,Lattice<vobj> &rhs,int dimension,int shift)
+template<class vobj> void Cshift_comms_simd(Lattice<vobj>& ret,const Lattice<vobj> &rhs,int dimension,int shift)
 {
   int sshift[2];
 
@@ -65,7 +65,7 @@ template<class vobj> void Cshift_comms_simd(Lattice<vobj>& ret,Lattice<vobj> &rh
   }
 }
 
-template<class vobj> void Cshift_comms(Lattice<vobj> &ret,Lattice<vobj> &rhs,int dimension,int shift,int cbmask)
+template<class vobj> void Cshift_comms(Lattice<vobj> &ret,const Lattice<vobj> &rhs,int dimension,int shift,int cbmask)
 {
   typedef typename vobj::vector_type vector_type;
   typedef typename vobj::scalar_type scalar_type;
@@ -124,7 +124,7 @@ template<class vobj> void Cshift_comms(Lattice<vobj> &ret,Lattice<vobj> &rhs,int
   }
 }
 
-template<class vobj> void  Cshift_comms_simd(Lattice<vobj> &ret,Lattice<vobj> &rhs,int dimension,int shift,int cbmask)
+template<class vobj> void  Cshift_comms_simd(Lattice<vobj> &ret,const Lattice<vobj> &rhs,int dimension,int shift,int cbmask)
 {
   GridBase *grid=rhs._grid;
   const int Nsimd = grid->Nsimd();
diff --git a/lib/cshift/Grid_cshift_none.h b/lib/cshift/Grid_cshift_none.h
index be9467b1..a8c6f6c0 100644
--- a/lib/cshift/Grid_cshift_none.h
+++ b/lib/cshift/Grid_cshift_none.h
@@ -1,7 +1,7 @@
 #ifndef _GRID_CSHIFT_NONE_H_
 #define _GRID_CSHIFT_NONE_H_
 namespace Grid {
-template<class vobj> Lattice<vobj> Cshift(Lattice<vobj> &rhs,int dimension,int shift)
+template<class vobj> Lattice<vobj> Cshift(const Lattice<vobj> &rhs,int dimension,int shift)
 {
   Lattice<vobj> ret(rhs._grid);
   ret.checkerboard = rhs._grid->CheckerBoardDestination(rhs.checkerboard,shift,dimension);