From 6bb17502f9735cb0d0573aade7049667c8a0e1b8 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ph.ed.ac.uk>
Date: Sun, 10 May 2015 15:23:49 +0100
Subject: [PATCH] Moving operator stuff into separate file so that we can
 switch on/off replacement with expression templates

---
 lib/lattice/Grid_lattice_arith.h | 113 -------------------------------
 1 file changed, 113 deletions(-)

diff --git a/lib/lattice/Grid_lattice_arith.h b/lib/lattice/Grid_lattice_arith.h
index 63ad3335..93801be5 100644
--- a/lib/lattice/Grid_lattice_arith.h
+++ b/lib/lattice/Grid_lattice_arith.h
@@ -3,19 +3,6 @@
 
 namespace Grid {
 
-  //////////////////////////////////////////////////////////////////////////////////////////////////////
-  // unary negation
-  //////////////////////////////////////////////////////////////////////////////////////////////////////
-  template<class vobj>
-  inline Lattice<vobj> operator -(const Lattice<vobj> &r)
-  {
-    Lattice<vobj> ret(r._grid);
-#pragma omp parallel for
-    for(int ss=0;ss<r._grid->oSites();ss++){
-      vstream(ret._odata[ss], -r._odata[ss]);
-    }
-    return ret;
-  }
 
   //////////////////////////////////////////////////////////////////////////////////////////////////////
   //  avoid copy back routines for mult, mac, sub, add
@@ -155,106 +142,6 @@ namespace Grid {
     }
   }
   
-  /////////////////////////////////////////////////////////////////////////////////////
-  // Lattice BinOp Lattice,
-  //NB mult performs conformable check. Do not reapply here for performance.
-  /////////////////////////////////////////////////////////////////////////////////////
-  template<class left,class right>
-    inline auto operator * (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]*rhs._odata[0])>
-  {
-    Lattice<decltype(lhs._odata[0]*rhs._odata[0])> ret(rhs._grid);
-    mult(ret,lhs,rhs);
-    return ret;
-  }
-  template<class left,class right>
-    inline auto operator + (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]+rhs._odata[0])>
-  {
-    Lattice<decltype(lhs._odata[0]+rhs._odata[0])> ret(rhs._grid);
-    add(ret,lhs,rhs);
-    return ret;
-  }
-  template<class left,class right>
-    inline auto operator - (const Lattice<left> &lhs,const Lattice<right> &rhs)-> Lattice<decltype(lhs._odata[0]-rhs._odata[0])>
-  {
-    Lattice<decltype(lhs._odata[0]-rhs._odata[0])> ret(rhs._grid);
-    sub(ret,lhs,rhs);
-    return ret;
-  }
-  
-  // Scalar BinOp Lattice ;generate return type
-  template<class left,class right>
-    inline auto operator * (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs*rhs._odata[0])>
-  {
-    Lattice<decltype(lhs*rhs._odata[0])> ret(rhs._grid);
-#pragma omp parallel for
-    for(int ss=0;ss<rhs._grid->oSites(); ss++){
-      decltype(lhs*rhs._odata[0]) tmp=lhs*rhs._odata[ss]; 
-      vstream(ret._odata[ss],tmp);
-	   //      ret._odata[ss]=lhs*rhs._odata[ss];
-    }
-    return ret;
-  }
-  template<class left,class right>
-    inline auto operator + (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs+rhs._odata[0])>
-    {
-      Lattice<decltype(lhs+rhs._odata[0])> ret(rhs._grid);
-#pragma omp parallel for
-      for(int ss=0;ss<rhs._grid->oSites(); ss++){
-	decltype(lhs+rhs._odata[0]) tmp =lhs-rhs._odata[ss];  
-	vstream(ret._odata[ss],tmp);
-	//	ret._odata[ss]=lhs+rhs._odata[ss];
-      }
-        return ret;
-    }
-  template<class left,class right>
-    inline auto operator - (const left &lhs,const Lattice<right> &rhs) -> Lattice<decltype(lhs-rhs._odata[0])>
-  {
-    Lattice<decltype(lhs-rhs._odata[0])> ret(rhs._grid);
-#pragma omp parallel for
-    for(int ss=0;ss<rhs._grid->oSites(); ss++){
-      decltype(lhs-rhs._odata[0]) tmp=lhs-rhs._odata[ss];  
-      vstream(ret._odata[ss],tmp);
-      //      ret._odata[ss]=lhs-rhs._odata[ss];
-    }
-    return ret;
-  }
-    template<class left,class right>
-      inline auto operator * (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]*rhs)>
-    {
-      Lattice<decltype(lhs._odata[0]*rhs)> ret(lhs._grid);
-#pragma omp parallel for
-      for(int ss=0;ss<lhs._grid->oSites(); ss++){
-	decltype(lhs._odata[0]*rhs) tmp =lhs._odata[ss]*rhs;
-	vstream(ret._odata[ss],tmp);
-	//            ret._odata[ss]=lhs._odata[ss]*rhs;
-      }
-      return ret;
-    }
-    template<class left,class right>
-      inline auto operator + (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]+rhs)>
-    {
-        Lattice<decltype(lhs._odata[0]+rhs)> ret(lhs._grid);
-#pragma omp parallel for
-        for(int ss=0;ss<rhs._grid->oSites(); ss++){
-	  decltype(lhs._odata[0]+rhs) tmp=lhs._odata[ss]+rhs; 
-	  vstream(ret._odata[ss],tmp);
-	  //	  ret._odata[ss]=lhs._odata[ss]+rhs;
-        }
-        return ret;
-    }
-    template<class left,class right>
-      inline auto operator - (const Lattice<left> &lhs,const right &rhs) -> Lattice<decltype(lhs._odata[0]-rhs)>
-    {
-      Lattice<decltype(lhs._odata[0]-rhs)> ret(lhs._grid);
-#pragma omp parallel for
-      for(int ss=0;ss<rhs._grid->oSites(); ss++){
-	  decltype(lhs._odata[0]-rhs) tmp=lhs._odata[ss]-rhs;
-	  vstream(ret._odata[ss],tmp);
-	  //	ret._odata[ss]=lhs._odata[ss]-rhs;
-      }
-      return ret;
-    }
-
   template<class sobj,class vobj>
   inline void axpy(Lattice<vobj> &ret,sobj a,const Lattice<vobj> &lhs,const Lattice<vobj> &rhs){
     conformable(lhs,rhs);