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Naming and argument types
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@ -3,16 +3,14 @@
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using namespace Grid;
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using namespace Grid;
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template <typename T>
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template <typename T>
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bool has_correct_block_structure(T U){
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bool has_correct_group_block_structure(const T& U){
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// checks on elements
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const int nsp = Nc / 2;
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Complex i(0., 1.);
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std::cout << GridLogMessage << "Checking the structure is " << std::endl;
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std::cout << GridLogMessage << "Checking the structure is " << std::endl;
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std::cout << GridLogMessage << "U = ( W X ) " << std::endl;
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std::cout << GridLogMessage << "U = ( W X ) " << std::endl;
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std::cout << GridLogMessage << " ( -X^* W^* ) " << std::endl;
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std::cout << GridLogMessage << " ( -X^* W^* ) " << std::endl;
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std::cout <<GridLogMessage << std::endl;
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std::cout <<GridLogMessage << std::endl;
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const int nsp = Nc / 2;
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Complex i(0., 1.);
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for (int c1 = 0; c1 < nsp; c1++) //check on W
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for (int c1 = 0; c1 < nsp; c1++) //check on W
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{
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{
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for (int c2 = 0; c2 < nsp; c2++)
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for (int c2 = 0; c2 < nsp; c2++)
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@ -47,24 +45,21 @@ bool has_correct_block_structure(T U){
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};
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};
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template <typename T>
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template <typename T>
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bool is_element_of_Sp2n(T U) {
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bool is_element_of_sp2n_group(T U) {// does explicitly take a copy in order to not spoil the matrix for further use
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LatticeColourMatrixD aux(U.Grid());
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LatticeColourMatrixD aux(U.Grid());
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LatticeColourMatrixD identity(U.Grid());
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LatticeColourMatrixD identity(U.Grid());
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identity = 1.0;
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identity = 1.0;
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double vol = U.Grid()->gSites();
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std::cout << GridLogMessage << "Unitary check" << std::endl;
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std::cout << GridLogMessage << "Unitary check" << std::endl;
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aux = U*adj(U) - identity;
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aux = U*adj(U) - identity;
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std::cout << GridLogMessage << "U adjU - 1 = " << norm2(aux) << std::endl;
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std::cout << GridLogMessage << "U adjU - 1 = " << norm2(aux) << std::endl;
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assert( norm2(aux) < 1e-8);
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assert( norm2(aux) < 1e-8);
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// actual sp2n check
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std::cout << GridLogMessage << "Checking Omega invariance" << std::endl;
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std::cout << GridLogMessage << "Checking Omega invariance" << std::endl;
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Sp<Nc>::OmegaInvariance(U); // no assertion here, but the next check will kill us if we are not simplectic
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Sp<Nc>::OmegaInvariance(U); // no assertion here, but the next check will kill us if we are not simplectic
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return has_correct_block_structure(U);
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return has_correct_group_block_structure(U);
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}
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}
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template<typename T>
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template<typename T>
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@ -83,8 +78,9 @@ void test_group_projections(T U) {
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std::cout << GridLogMessage << "Testing "<< name << std::endl;
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std::cout << GridLogMessage << "Testing "<< name << std::endl;
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std::cout << GridLogMessage << "Apply to deformed matrix" << std::endl;
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std::cout << GridLogMessage << "Apply to deformed matrix" << std::endl;
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U = U + Delta*identity;
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U = ProjectOnSpGroup(U);
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U = ProjectOnSpGroup(U);
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assert(is_element_of_Sp2n(U));
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assert(is_element_of_sp2n_group(U));
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name = "ProjectOnGaugeGroup";
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name = "ProjectOnGaugeGroup";
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std::cout << GridLogMessage << "Testing "<< name << std::endl;
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std::cout << GridLogMessage << "Testing "<< name << std::endl;
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@ -92,7 +88,7 @@ void test_group_projections(T U) {
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U = U + Delta*identity;
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U = U + Delta*identity;
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Sp<Nc>::ProjectOnGaugeGroup(U);
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Sp<Nc>::ProjectOnGaugeGroup(U);
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assert(is_element_of_Sp2n(U));
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assert(is_element_of_sp2n_group(U));
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name = "ProjectGn";
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name = "ProjectGn";
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std::cout << GridLogMessage << "Testing "<< name << std::endl;
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std::cout << GridLogMessage << "Testing "<< name << std::endl;
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@ -100,7 +96,7 @@ void test_group_projections(T U) {
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U = U + Delta*identity;
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U = U + Delta*identity;
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Sp<Nc>::ProjectGn(U);
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Sp<Nc>::ProjectGn(U);
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assert(is_element_of_Sp2n(U));
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assert(is_element_of_sp2n_group(U));
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}
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}
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@ -115,7 +111,6 @@ int main (int argc, char **argv)
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Coordinate mpi_layout = GridDefaultMpi();
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Coordinate mpi_layout = GridDefaultMpi();
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GridCartesian Grid(latt_size,simd_layout,mpi_layout);
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GridCartesian Grid(latt_size,simd_layout,mpi_layout);
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GridRedBlackCartesian RBGrid(&Grid);
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LatticeGaugeField Umu(&Grid);
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LatticeGaugeField Umu(&Grid);
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