diff options
Diffstat (limited to 'src/python/gudhi/periodic_cubical_complex.pyx')
| -rw-r--r-- | src/python/gudhi/periodic_cubical_complex.pyx | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/python/gudhi/periodic_cubical_complex.pyx b/src/python/gudhi/periodic_cubical_complex.pyx index d353d2af..6c21e902 100644 --- a/src/python/gudhi/periodic_cubical_complex.pyx +++ b/src/python/gudhi/periodic_cubical_complex.pyx @@ -32,7 +32,7 @@ cdef extern from "Cubical_complex_interface.h" namespace "Gudhi": cdef extern from "Persistent_cohomology_interface.h" namespace "Gudhi": cdef cppclass Periodic_cubical_complex_persistence_interface "Gudhi::Persistent_cohomology_interface<Gudhi::Cubical_complex::Cubical_complex_interface<Gudhi::cubical_complex::Bitmap_cubical_complex_periodic_boundary_conditions_base<double>>>": Periodic_cubical_complex_persistence_interface(Periodic_cubical_complex_base_interface * st, bool persistence_dim_max) nogil - void compute_persistence(int homology_coeff_field, double min_persistence) nogil + void compute_persistence(int homology_coeff_field, double min_persistence) nogil except + vector[pair[int, pair[double, double]]] get_persistence() nogil vector[vector[int]] cofaces_of_cubical_persistence_pairs() nogil vector[int] betti_numbers() nogil @@ -148,7 +148,7 @@ cdef class PeriodicCubicalComplex: :func:`persistence` returns. :param homology_coeff_field: The homology coefficient field. Must be a - prime number + prime number. Default value is 11. Max is 46337. :type homology_coeff_field: int. :param min_persistence: The minimum persistence value to take into account (strictly greater than min_persistence). Default value is @@ -170,7 +170,7 @@ cdef class PeriodicCubicalComplex: """This function computes and returns the persistence of the complex. :param homology_coeff_field: The homology coefficient field. Must be a - prime number + prime number. Default value is 11. Max is 46337. :type homology_coeff_field: int. :param min_persistence: The minimum persistence value to take into account (strictly greater than min_persistence). Default value is @@ -280,4 +280,8 @@ cdef class PeriodicCubicalComplex: launched first. """ assert self.pcohptr != NULL, "compute_persistence() must be called before persistence_intervals_in_dimension()" - return np.array(self.pcohptr.intervals_in_dimension(dimension)) + piid = np.array(self.pcohptr.intervals_in_dimension(dimension)) + # Workaround https://github.com/GUDHI/gudhi-devel/issues/507 + if len(piid) == 0: + return np.empty(shape = [0, 2]) + return piid |