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https://github.com/paboyle/Grid.git
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Non compile of tests fixed
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@ -30,210 +30,9 @@ directory
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#ifndef GRID_BLOCK_CONJUGATE_GRADIENT_H
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#define GRID_BLOCK_CONJUGATE_GRADIENT_H
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#include <Grid/Eigen/Dense>
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namespace Grid {
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GridBase *makeSubSliceGrid(const GridBase *BlockSolverGrid,int Orthog)
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{
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int NN = BlockSolverGrid->_ndimension;
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int nsimd = BlockSolverGrid->Nsimd();
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std::vector<int> latt_phys(0);
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std::vector<int> simd_phys(0);
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std::vector<int> mpi_phys(0);
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for(int d=0;d<NN;d++){
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if( d!=Orthog ) {
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latt_phys.push_back(BlockSolverGrid->_fdimensions[d]);
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simd_phys.push_back(BlockSolverGrid->_simd_layout[d]);
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mpi_phys.push_back(BlockSolverGrid->_processors[d]);
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}
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}
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return (GridBase *)new GridCartesian(latt_phys,simd_phys,mpi_phys);
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Need to move sliceInnerProduct, sliceAxpy, sliceNorm etc... into lattice sector along with sliceSum
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////
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template<class vobj>
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static void sliceMaddMatrix (Lattice<vobj> &R,Eigen::MatrixXcd &aa,const Lattice<vobj> &X,const Lattice<vobj> &Y,int Orthog,RealD scale=1.0)
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{
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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int Nblock = X._grid->GlobalDimensions()[Orthog];
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GridBase *FullGrid = X._grid;
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GridBase *SliceGrid = makeSubSliceGrid(FullGrid,Orthog);
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Lattice<vobj> Xslice(SliceGrid);
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Lattice<vobj> Rslice(SliceGrid);
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// FIXME: Implementation is slow
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// If we based this on Cshift it would work for spread out
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// but it would be even slower
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//
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// Repeated extract slice is inefficient
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//
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// Best base the linear combination by constructing a
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// set of vectors of size grid->_rdimensions[Orthog].
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for(int i=0;i<Nblock;i++){
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ExtractSlice(Rslice,Y,i,Orthog);
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for(int j=0;j<Nblock;j++){
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ExtractSlice(Xslice,X,j,Orthog);
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Rslice = Rslice + Xslice*(scale*aa(j,i));
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}
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InsertSlice(Rslice,R,i,Orthog);
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}
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};
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template<class vobj>
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static void sliceMaddVector (Lattice<vobj> &R,std::vector<RealD> &a,const Lattice<vobj> &X,const Lattice<vobj> &Y,
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int Orthog,RealD scale=1.0)
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{
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// FIXME: Implementation is slow
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// Best base the linear combination by constructing a
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// set of vectors of size grid->_rdimensions[Orthog].
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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int Nblock = X._grid->GlobalDimensions()[Orthog];
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GridBase *FullGrid = X._grid;
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GridBase *SliceGrid = makeSubSliceGrid(FullGrid,Orthog);
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Lattice<vobj> Xslice(SliceGrid);
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Lattice<vobj> Rslice(SliceGrid);
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// If we based this on Cshift it would work for spread out
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// but it would be even slower
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for(int i=0;i<Nblock;i++){
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ExtractSlice(Rslice,Y,i,Orthog);
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ExtractSlice(Xslice,X,i,Orthog);
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Rslice = Rslice + Xslice*(scale*a[i]);
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InsertSlice(Rslice,R,i,Orthog);
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}
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};
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template<class vobj>
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static void sliceInnerProductMatrix( Eigen::MatrixXcd &mat, const Lattice<vobj> &lhs,const Lattice<vobj> &rhs,int Orthog)
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{
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// FIXME: Implementation is slow
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// Not sure of best solution.. think about it
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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GridBase *FullGrid = lhs._grid;
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GridBase *SliceGrid = makeSubSliceGrid(FullGrid,Orthog);
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int Nblock = FullGrid->GlobalDimensions()[Orthog];
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Lattice<vobj> Lslice(SliceGrid);
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Lattice<vobj> Rslice(SliceGrid);
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mat = Eigen::MatrixXcd::Zero(Nblock,Nblock);
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for(int i=0;i<Nblock;i++){
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ExtractSlice(Lslice,lhs,i,Orthog);
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for(int j=0;j<Nblock;j++){
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ExtractSlice(Rslice,rhs,j,Orthog);
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mat(i,j) = innerProduct(Lslice,Rslice);
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}
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}
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#undef FORCE_DIAG
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#ifdef FORCE_DIAG
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for(int i=0;i<Nblock;i++){
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for(int j=0;j<Nblock;j++){
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if ( i != j ) mat(i,j)=0.0;
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}
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}
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#endif
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return;
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}
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template<class vobj>
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static void sliceInnerProductVector( std::vector<ComplexD> & vec, const Lattice<vobj> &lhs,const Lattice<vobj> &rhs,int Orthog)
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{
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// FIXME: Implementation is slow
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// Look at localInnerProduct implementation,
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// and do inside a site loop with block strided iterators
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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typedef typename vobj::tensor_reduced scalar;
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typedef typename scalar::scalar_object scomplex;
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int Nblock = lhs._grid->GlobalDimensions()[Orthog];
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vec.resize(Nblock);
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std::vector<scomplex> sip(Nblock);
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Lattice<scalar> IP(lhs._grid);
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IP=localInnerProduct(lhs,rhs);
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sliceSum(IP,sip,Orthog);
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for(int ss=0;ss<Nblock;ss++){
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vec[ss] = TensorRemove(sip[ss]);
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}
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}
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template<class vobj>
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static void sliceNorm (std::vector<RealD> &sn,const Lattice<vobj> &rhs,int Orthog) {
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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int Nblock = rhs._grid->GlobalDimensions()[Orthog];
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std::vector<ComplexD> ip(Nblock);
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sn.resize(Nblock);
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sliceInnerProductVector(ip,rhs,rhs,Orthog);
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for(int ss=0;ss<Nblock;ss++){
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sn[ss] = real(ip[ss]);
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}
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};
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/*
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template<class vobj>
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static void sliceInnerProductMatrixOld( Eigen::MatrixXcd &mat, const Lattice<vobj> &lhs,const Lattice<vobj> &rhs,int Orthog)
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{
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typedef typename vobj::scalar_object sobj;
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typedef typename vobj::scalar_type scalar_type;
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typedef typename vobj::vector_type vector_type;
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typedef typename vobj::tensor_reduced scalar;
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typedef typename scalar::scalar_object scomplex;
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int Nblock = lhs._grid->GlobalDimensions()[Orthog];
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std::cout << " sliceInnerProductMatrix Dim "<<Orthog<<" Nblock " << Nblock<<std::endl;
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Lattice<scalar> IP(lhs._grid);
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std::vector<scomplex> sip(Nblock);
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mat = Eigen::MatrixXcd::Zero(Nblock,Nblock);
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Lattice<vobj> tmp = rhs;
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for(int s1=0;s1<Nblock;s1++){
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IP=localInnerProduct(lhs,tmp);
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sliceSum(IP,sip,Orthog);
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std::cout << "InnerProductMatrix ["<<s1<<"] = ";
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for(int ss=0;ss<Nblock;ss++){
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std::cout << TensorRemove(sip[ss])<<" ";
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}
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std::cout << std::endl;
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for(int ss=0;ss<Nblock;ss++){
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mat(ss,(s1+ss)%Nblock) = TensorRemove(sip[ss]);
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}
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if ( s1!=(Nblock-1) ) {
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tmp = Cshift(tmp,Orthog,1);
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}
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}
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}
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*/
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//////////////////////////////////////////////////////////////////////////
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// Block conjugate gradient. Dimension zero should be the block direction
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//////////////////////////////////////////////////////////////////////////
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