Make NVCC happy with the compile. This is warning free on 9.1 on my laptop (both make and make tests).

tests/core/Test_cshift_red_black.cc

@@ -62,7 +62,6 @@ int main (int argc, char ** argv)
   lex=Zero();
   Integer stride =1;
   {
-    double nrm;
     LatticeComplex coor(&Fine);
 
     for(int d=0;d<Nd;d++){

tests/core/Test_cshift_red_black_rotate.cc

@@ -63,7 +63,6 @@ int main (int argc, char ** argv)
   lex=Zero();
   Integer stride =1;
   {
-    double nrm;
     LatticeComplex coor(&Fine);
 
     for(int d=0;d<Nd;d++){

tests/core/Test_cshift_rotate.cc

@@ -49,7 +49,6 @@ int main (int argc, char ** argv)
   lex=Zero();
   Integer stride =1;
   {
-    double nrm;
     LatticeComplex coor(&Fine);
 
     for(int d=0;d<4;d++){

tests/core/Test_dwf_rb5d.cc

@@ -93,7 +93,6 @@ int main (int argc, char ** argv)
   }
   */
 
-  RealD mass=0.1;
   RealD M5  =1.8;
   typename WilsonFermion5DR::ImplParams params;
 

tests/core/Test_gamma.cc

@@ -140,7 +140,6 @@ void checkGamma(const Gamma::Algebra a, GridSerialRNG &rng)
   SpinVector v;
   SpinMatrix m, &testg = testAlgebra[a];
   Gamma      g(a);
-  bool       pass = true;
   
   random(rng, v);
   random(rng, m);
@@ -159,7 +158,6 @@ void checkProd(const Gamma::Algebra a, const Gamma::Algebra b)
 {
   SpinMatrix gm, testg = testAlgebra[a]*testAlgebra[b];
   Gamma      g = Gamma(a)*Gamma(b);
-  bool       pass = true;
   
   std::cout << GridLogMessage << "Checking " << Gamma::name[a] << " * "
             << Gamma::name[b] << ": ";
@@ -173,7 +171,6 @@ void checkAdj(const Gamma::Algebra a)
 {
   SpinMatrix gm, testg = adj(testAlgebra[a]);
   Gamma      g(adj(Gamma(a)));
-  bool       pass = true;
   
   std::cout << GridLogMessage << "Checking adj(" << Gamma::name[a] << "): ";
   gm = 1.0;
@@ -215,7 +212,6 @@ void checkGammaL(const Gamma::Algebra a, GridSerialRNG &rng)
   SpinVector v;
   SpinMatrix m, &testg = testAlgebra[a], pl;
   GammaL     gl(a);
-  bool       pass = true;
   
   random(rng, v);
   random(rng, m);

tests/core/Test_main.cc

@@ -515,7 +515,6 @@ int main(int argc, char **argv) {
       double nrm = 0;
 
       LatticeColourMatrix deriv(&Fine);
-      double half = 0.5;
       deriv = 0.5 * Cshift(Foo, 0, 1) - 0.5 * Cshift(Foo, 0, -1);
 
       for (int dir = 0; dir < 4; dir++) {

tests/core/Test_quenched_update.cc

@@ -58,7 +58,6 @@ int main (int argc, char ** argv)
   // SU3 colour operatoions
   LatticeColourMatrix link(grid);
   LatticeColourMatrix staple(grid);
-  int mu=0;
 
   // Apply heatbath to the link
   RealD beta=6.0;

tests/core/Test_zmobius_even_odd.cc

@@ -84,7 +84,7 @@ int main (int argc, char ** argv)
 
   RealD mass=0.1;
   RealD M5  =1.8;
-  std::vector < std::complex<double>  > omegas;
+  std::vector < ComplexD  > omegas;
 #if 0
   for(int i=0;i<Ls;i++){
     double imag = 0.;
@@ -105,9 +105,25 @@ int main (int argc, char ** argv)
   omegas.push_back( std::complex<double>(0.0686324988446592,0.0550658530827402) );
   omegas.push_back( std::complex<double>(0.0686324988446592,-0.0550658530827402) );
 #endif
-
-  ZMobiusFermionR Ddwf(Umu, *FGrid, *FrbGrid, *UGrid, *UrbGrid, mass, M5, omegas,1.,0.);
-//  DomainWallFermionR Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
+  /*
+  argument types are: (Grid::LatticeGaugeField, 
+		       Grid::GridCartesian, 
+		       Grid::GridRedBlackCartesian, 
+		       Grid::GridCartesian, 
+		       Grid::GridRedBlackCartesian, 
+		       Grid::RealD, 
+		       Grid::RealD, 
+		       std::__1::vector<std::__1::complex<double>, 
+		       std::__1::allocator<std::__1::complex<double>>>, double, double)
+  ZMobiusFermion(GaugeField &_Umu,
+		 GridCartesian         &FiveDimGrid,
+		 GridRedBlackCartesian &FiveDimRedBlackGrid,
+		 GridCartesian         &FourDimGrid,
+		 GridRedBlackCartesian &FourDimRedBlackGrid,
+		 RealD _mass,RealD _M5,
+		 std::vector<ComplexD> &gamma, RealD b,RealD c,const ImplParams &p= ImplParams()) : 
+  */
+  ZMobiusFermionR Ddwf(Umu, *FGrid, *FrbGrid, *UGrid, *UrbGrid, mass, M5, omegas,RealD(1.),RealD(0.));
 
   LatticeFermion src_e (FrbGrid);
   LatticeFermion src_o (FrbGrid);

tests/forces/Test_dwf_gpforce.cc

@@ -105,7 +105,6 @@ int main (int argc, char ** argv)
   RealD dt = 0.0001;
   RealD Hmom = 0.0;
   RealD Hmomprime = 0.0;
-  RealD Hmompp    = 0.0;
   LatticeColourMatrix mommu(UGrid); 
   LatticeColourMatrix forcemu(UGrid); 
   LatticeGaugeField mom(UGrid); 

tests/forces/Test_gp_rect_force.cc

@@ -57,7 +57,6 @@ int main (int argc, char ** argv)
   SU3::HotConfiguration(pRNG,U);
   
   double beta = 1.0;
-  double c1   = 0.331;
 
   //GparityPlaqPlusRectangleActionR Action(beta,c1);
   ConjugateWilsonGaugeActionR Action(beta);

tests/forces/Test_gpwilson_force.cc

@@ -29,9 +29,6 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
 
 using namespace std;
 using namespace Grid;
- ;
-
- 
 
 int main (int argc, char ** argv)
 {
@@ -41,14 +38,11 @@ int main (int argc, char ** argv)
   Coordinate simd_layout = GridDefaultSimd(Nd,vComplex::Nsimd());
   Coordinate mpi_layout  = GridDefaultMpi();
 
-  const int Ls=8;
-
   GridCartesian         * UGrid   = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), 
 								   GridDefaultSimd(Nd,vComplex::Nsimd()),
 								   GridDefaultMpi());
   GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
   GridCartesian         * FGrid   = UGrid;
-  GridRedBlackCartesian * FrbGrid = UrbGrid;
 
   std::vector<int> seeds4({1,2,3,4});
   GridParallelRNG          RNG4(UGrid);  RNG4.SeedFixedIntegers(seeds4);
@@ -69,7 +63,6 @@ int main (int argc, char ** argv)
   // Unmodified matrix element
   ////////////////////////////////////
   RealD mass=0.01; 
-  RealD M5=1.8; 
 
   const int nu = 3;
   std::vector<int> twists(Nd,0);  twists[nu] = 1;

tests/forces/Test_wilson_force.cc

@@ -85,7 +85,6 @@ int main (int argc, char ** argv)
   RealD dt = 0.0001;
   RealD Hmom = 0.0;
   RealD Hmomprime = 0.0;
-  RealD Hmompp    = 0.0;
   LatticeColourMatrix mommu(&Grid); 
   LatticeColourMatrix forcemu(&Grid); 
   LatticeGaugeField mom(&Grid); 

tests/forces/Test_zmobius_force.cc

@@ -29,7 +29,6 @@ Author: Peter Boyle <paboyle@ph.ed.ac.uk>
 
 using namespace std;
 using namespace Grid;
- ;
 
 int main (int argc, char ** argv)
 {
@@ -70,7 +69,7 @@ int main (int argc, char ** argv)
   RealD b=0.5;
   RealD c=0.5;
 
-  std::vector < std::complex<double>  > omegas;
+  std::vector < ComplexD  > omegas;
   omegas.push_back( std::complex<double>(1.45806438985048,-0) );
   omegas.push_back( std::complex<double>(1.18231318389348,-0) );
   omegas.push_back( std::complex<double>(0.830951166685955,-0) );

tests/lanczos/Test_dwf_compressed_lanczos_reorg_synthetic.cc

@@ -229,7 +229,7 @@ struct CompressedLanczosParams : Serializable {
 				  LanczosParams, CoarseParams,
 				  std::vector<int>, blockSize,
 				  std::string, config,
-				  std::vector < std::complex<double>  >, omega,
+				  std::vector < ComplexD  >, omega,
 				  RealD, mass,
 				  RealD, M5
 				  );

tests/lanczos/Test_synthetic_lanczos.cc

@@ -31,8 +31,8 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
 
 using namespace std;
 using namespace Grid;
- ;
 
+/*
 static int
 FEenableexcept (unsigned int excepts)
 {
@@ -53,6 +53,7 @@ FEenableexcept (unsigned int excepts)
   return 0;
 #endif
 }
+*/
 
 
 template<class Field> class DumbOperator  : public LinearOperatorBase<Field> {
@@ -102,7 +103,6 @@ public:
 int main (int argc, char ** argv)
 {
 
-  //  FEenableexcept(FE_ALL_EXCEPT & ~FE_INEXACT); 
 
   Grid_init(&argc,&argv);
 
@@ -117,7 +117,6 @@ int main (int argc, char ** argv)
 
   RealD alpha = 1.2;
   RealD beta  = 0.1;
-  RealD mu    = 0.0;
   int order = 11;
   Chebyshev<LatticeComplex> Cheby(alpha,beta,order);
   std::ofstream file("cheby.dat");

tests/lanczos/Test_wilson_lanczos.cc

@@ -71,8 +71,6 @@ int main(int argc, char** argv) {
 */
 
   RealD mass = -0.1;
-  RealD M5 = 1.8;
-  RealD mob_b = 1.5;
   FermionOp WilsonOperator(Umu,*FGrid,*FrbGrid,mass);
   MdagMLinearOperator<FermionOp,LatticeFermion> HermOp(WilsonOperator); /// <-----
   //SchurDiagTwoOperator<FermionOp,FermionField> HermOp(WilsonOperator);

tests/solver/Test_dwf_hdcr.cc

@@ -99,7 +99,6 @@ public:
     MdagMLinearOperator<Matrix,FineField>   fMdagMOp(_FineMatrix);
 
     p1=in;
-    RealD absp2;
     for(int i=0;i<20;i++){
       RealD absp1=std::sqrt(norm2(p1));
       fMdagMOp.HermOp(p1,p2);// this is the G5 herm bit      

tests/solver/Test_zmobius_cg_prec.cc

@@ -79,7 +79,7 @@ int main(int argc, char** argv) {
 
   RealD mass = 0.01;
   RealD M5 = 1.8;
-  std::vector < std::complex<double>  > omegas;
+  std::vector < ComplexD  > omegas;
 #if 0
   for(int i=0;i<Ls;i++){
     double imag = 0.;