diff options
Diffstat (limited to 'src/cython/include/Kernels_interface.h')
| -rw-r--r-- | src/cython/include/Kernels_interface.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/cython/include/Kernels_interface.h b/src/cython/include/Kernels_interface.h index ef136731..17bb5d8b 100644 --- a/src/cython/include/Kernels_interface.h +++ b/src/cython/include/Kernels_interface.h @@ -41,6 +41,38 @@ namespace persistence_diagram { return sw1.compute_scalar_product(sw2); } + double pwg(const std::vector<std::pair<double, double>>& diag1, + const std::vector<std::pair<double, double>>& diag2, + double sigma, int N) { + Gudhi::Persistence_representations::Persistence_weighted_gaussian pwg1(diag1, sigma, N, Gudhi::Persistence_representations::arctan_weight); + Gudhi::Persistence_representations::Persistence_weighted_gaussian pwg2(diag2, sigma, N, Gudhi::Persistence_representations::arctan_weight); + return pwg1.compute_scalar_product(pwg2); + } + + double pss(const std::vector<std::pair<double, double>>& diag1, + const std::vector<std::pair<double, double>>& diag2, + double sigma, int N) { + + std::vector<std::pair<double, double>> pd1 = diag1; int numpts = diag1.size(); for(int i = 0; i < numpts; i++) pd1.emplace_back(diag1[i].second,diag1[i].first); + std::vector<std::pair<double, double>> pd2 = diag2; numpts = diag2.size(); for(int i = 0; i < numpts; i++) pd2.emplace_back(diag2[i].second,diag2[i].first); + + Gudhi::Persistence_representations::Persistence_weighted_gaussian pwg1(pd1, 2*std::sqrt(sigma), N, Gudhi::Persistence_representations::pss_weight); + Gudhi::Persistence_representations::Persistence_weighted_gaussian pwg2(pd2, 2*std::sqrt(sigma), N, Gudhi::Persistence_representations::pss_weight); + + return pwg1.compute_scalar_product (pwg2) / (16*pi*sigma); + } + + double pss_sym(const std::vector<std::pair<double, double>>& diag1, + const std::vector<std::pair<double, double>>& diag2, + double sigma, int N) { + + Gudhi::Persistence_representations::Persistence_weighted_gaussian pwg1(pd1, 2*std::sqrt(sigma), N, Gudhi::Persistence_representations::pss_weight); + Gudhi::Persistence_representations::Persistence_weighted_gaussian pwg2(pd2, 2*std::sqrt(sigma), N, Gudhi::Persistence_representations::pss_weight); + + return pwg1.compute_scalar_product (pwg2) / (16*pi*sigma); + } + + std::vector<std::vector<double> > sw_matrix(const std::vector<std::vector<std::pair<double, double> > >& s1, const std::vector<std::vector<std::pair<double, double> > >& s2, double sigma, int N){ @@ -56,6 +88,39 @@ namespace persistence_diagram { return matrix; } + std::vector<std::vector<double> > pwg_matrix(const std::vector<std::vector<std::pair<double, double> > >& s1, + const std::vector<std::vector<std::pair<double, double> > >& s2, + double sigma, int N){ + std::vector<std::vector<double> > matrix; int num_diag_1 = s1.size(); int num_diag_2 = s2.size(); + for(int i = 0; i < num_diag_1; i++){ + std::cout << 100.0*i/num_diag_1 << " %" << std::endl; + std::vector<double> ps; for(int j = 0; j < num_diag_2; j++) ps.push_back(pwg(s1[i], s2[j], sigma, N)); matrix.push_back(ps); + } + return matrix; + } + + std::vector<std::vector<double> > pss_matrix(const std::vector<std::vector<std::pair<double, double> > >& s1, + const std::vector<std::vector<std::pair<double, double> > >& s2, + double sigma, int N){ + std::vector<std::vector<std::pair<double, double> > > ss1, ss2; + std::vector<std::vector<double> > matrix; int num_diag_1 = s1.size(); int num_diag_2 = s2.size(); + for(int i = 0; i < num_diag_1; i++){ + std::vector<std::pair<double, double>> pd1 = s1[i]; int numpts = s1[i].size(); + for(int j = 0; j < numpts; j++) pd1.emplace_back(s1[i][j].second,s1[i][j].first); + ss1.push_back(pd1); + + for(int i = 0; i < num_diag_2; i++){ + std::vector<std::pair<double, double>> pd2 = s2[i]; int numpts = s2[i].size(); + for(int j = 0; j < numpts; j++) pd2.emplace_back(s2[i][j].second,s2[i][j].first); + ss2.push_back(pd2); + + for(int i = 0; i < num_diag_1; i++){ + std::cout << 100.0*i/num_diag_1 << " %" << std::endl; + std::vector<double> ps; for(int j = 0; j < num_diag_2; j++) ps.push_back(pss_sym(ss1[i], ss2[j], sigma, N)); matrix.push_back(ps); + } + return matrix; + } + } // namespace persistence_diagram } // namespace Gudhi |