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author | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2021-03-25 08:52:50 +0100 |
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committer | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2021-03-25 08:52:50 +0100 |
commit | 953a7da68657b9ab493cfb35b41fc46e26a73876 (patch) | |
tree | 717f6541654148fef445b8417778e05cb4a7ba78 | |
parent | 7e05e915adc1be285e04eb00d3ab7ba1b797f38d (diff) |
Add equality operator for python Simplex tree
-rw-r--r-- | src/python/gudhi/simplex_tree.pxd | 1 | ||||
-rw-r--r-- | src/python/gudhi/simplex_tree.pyx | 7 | ||||
-rwxr-xr-x | src/python/test/test_simplex_tree.py | 12 |
3 files changed, 20 insertions, 0 deletions
diff --git a/src/python/gudhi/simplex_tree.pxd b/src/python/gudhi/simplex_tree.pxd index 000323af..3df614dd 100644 --- a/src/python/gudhi/simplex_tree.pxd +++ b/src/python/gudhi/simplex_tree.pxd @@ -65,6 +65,7 @@ cdef extern from "Simplex_tree_interface.h" namespace "Gudhi": vector[vector[pair[int, pair[double, double]]]] compute_extended_persistence_subdiagrams(vector[pair[int, pair[double, double]]] dgm, double min_persistence) nogil Simplex_tree_interface_full_featured* collapse_edges(int nb_collapse_iteration) nogil except + void reset_filtration(double filtration, int dimension) nogil + bint operator==(Simplex_tree_interface_full_featured) nogil # Iterators over Simplex tree pair[vector[int], double] get_simplex_and_filtration(Simplex_tree_simplex_handle f_simplex) nogil Simplex_tree_simplices_iterator get_simplices_iterator_begin() nogil diff --git a/src/python/gudhi/simplex_tree.pyx b/src/python/gudhi/simplex_tree.pyx index d7991417..0bfaa19f 100644 --- a/src/python/gudhi/simplex_tree.pyx +++ b/src/python/gudhi/simplex_tree.pyx @@ -639,3 +639,10 @@ cdef class SimplexTree: self.thisptr = <intptr_t>(ptr.collapse_edges(nb_iter)) # Delete old pointer del ptr + + def __eq__(self, other:SimplexTree): + """Simplex tree equality operator using C++ depth first search operator== + :returns: True if the 2 simplex trees are equal, False otherwise. + :rtype: bool + """ + return dereference(self.get_ptr()) == dereference(other.get_ptr())
\ No newline at end of file diff --git a/src/python/test/test_simplex_tree.py b/src/python/test/test_simplex_tree.py index a3eacaa9..92b909ca 100755 --- a/src/python/test/test_simplex_tree.py +++ b/src/python/test/test_simplex_tree.py @@ -404,3 +404,15 @@ def test_boundaries_iterator(): with pytest.raises(RuntimeError): list(st.get_boundaries([6])) # (6) does not exist + +def test_equality_operator(): + st1 = SimplexTree() + st2 = SimplexTree() + + assert st1 == st2 + + st1.insert([1,2,3], 4.) + assert st1 != st2 + + st2.insert([1,2,3], 4.) + assert st1 == st2
\ No newline at end of file |