diff options
Diffstat (limited to 'src/cython/cython/kernels.pyx')
| -rw-r--r-- | src/cython/cython/kernels.pyx | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/cython/cython/kernels.pyx b/src/cython/cython/kernels.pyx index 220fc6ce..f8798aab 100644 --- a/src/cython/cython/kernels.pyx +++ b/src/cython/cython/kernels.pyx @@ -30,7 +30,8 @@ __copyright__ = "Copyright (C) 2018 INRIA" __license__ = "GPL v3" cdef extern from "Kernels_interface.h" namespace "Gudhi::persistence_diagram": - double sw(vector[pair[double, double]], vector[pair[double, double]], double, int) + double sw (vector[pair[double, double]], vector[pair[double, double]], double, int) + vector[vector[double]] sw_matrix (vector[vector[pair[double, double]]], vector[vector[pair[double, double]]], double, int) def sliced_wasserstein(diagram_1, diagram_2, sigma = 1, N = 100): """ @@ -45,3 +46,17 @@ def sliced_wasserstein(diagram_1, diagram_2, sigma = 1, N = 100): :returns: the sliced wasserstein kernel. """ return sw(diagram_1, diagram_2, sigma, N) + +def sliced_wasserstein_matrix(diagrams_1, diagrams_2, sigma = 1, N = 100): + """ + + :param diagram_1: The first set of diagrams. + :type diagram_1: vector[vector[pair[double, double]]] + :param diagram_2: The second set of diagrams. + :type diagram_2: vector[vector[pair[double, double]]] + :param sigma: bandwidth of Gaussian + :param N: number of directions + + :returns: the sliced wasserstein kernel matrix. + """ + return sw_matrix(diagrams_1, diagrams_2, sigma, N) |