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author | Vincent Rouvreau <vincent.rouvreau@inria.fr> | 2022-02-14 11:08:00 +0100 |
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committer | Vincent Rouvreau <vincent.rouvreau@inria.fr> | 2022-02-14 11:08:00 +0100 |
commit | 43981a4d487669fe2002337ab62b72dd9e83a64a (patch) | |
tree | 37340e1462365d08bc0fe494cb867d3e88618164 /src/python/gudhi/simplex_tree.pyx | |
parent | fb8ce008feadcaf6a936740a3ed54d50970c731c (diff) |
Remove shallow copy
Diffstat (limited to 'src/python/gudhi/simplex_tree.pyx')
-rw-r--r-- | src/python/gudhi/simplex_tree.pyx | 54 |
1 files changed, 20 insertions, 34 deletions
diff --git a/src/python/gudhi/simplex_tree.pyx b/src/python/gudhi/simplex_tree.pyx index ed7c3b92..0213e363 100644 --- a/src/python/gudhi/simplex_tree.pyx +++ b/src/python/gudhi/simplex_tree.pyx @@ -30,7 +30,6 @@ cdef class SimplexTree: # unfortunately 'cdef public Simplex_tree_interface_full_featured* thisptr' is not possible # Use intptr_t instead to cast the pointer cdef public intptr_t thisptr - cdef bool __thisptr_to_be_deleted # Get the pointer casted as it should be cdef Simplex_tree_interface_full_featured* get_ptr(self) nogil: @@ -39,36 +38,32 @@ cdef class SimplexTree: cdef Simplex_tree_persistence_interface * pcohptr # Fake constructor that does nothing but documenting the constructor - def __init__(self, other = None, copy = True): + def __init__(self, other = None): """SimplexTree constructor. - :param other: If `other` is a SimplexTree (default = None), the SimplexTree is constructed from a deep/shallow copy of `other`. + + :param other: If `other` is a `None` (default value), an empty `SimplexTree` is created. + If `other` is a `SimplexTree`, the `SimplexTree` is constructed from a deep copy of `other`. :type other: SimplexTree - :param copy: If `True`, the copy will be deep and if `False, the copy will be shallow. Default is `True`. - :type copy: bool - :returns: A simplex tree that is a (deep or shallow) copy of itself. + :returns: An empty or a copy simplex tree. :rtype: SimplexTree - :note: copy constructor requires :func:`compute_persistence` to be launched again as the result is not copied. + + :note: If the `SimplexTree` is a copy, it requires :func:`compute_persistence` to be launched again as the + persistence result is not copied. """ # The real cython constructor - def __cinit__(self, other = None, copy = True): + def __cinit__(self, other = None): cdef SimplexTree ostr if other and type(other) is SimplexTree: ostr = <SimplexTree> other - if copy: - self.thisptr = <intptr_t>(new Simplex_tree_interface_full_featured(dereference(ostr.get_ptr()))) - else: - self.thisptr = ostr.thisptr - # Avoid double free - The original is in charge of deletion - self.__thisptr_to_be_deleted = False + self.thisptr = <intptr_t>(new Simplex_tree_interface_full_featured(dereference(ostr.get_ptr()))) else: - self.__thisptr_to_be_deleted = True self.thisptr = <intptr_t>(new Simplex_tree_interface_full_featured()) def __dealloc__(self): cdef Simplex_tree_interface_full_featured* ptr = self.get_ptr() # Avoid double free - The original is in charge of deletion - if ptr != NULL and self.__thisptr_to_be_deleted: + if ptr != NULL: del ptr if self.pcohptr != NULL: del self.pcohptr @@ -83,33 +78,24 @@ cdef class SimplexTree: """ return self.pcohptr != NULL - def copy(self, deep=True): + def copy(self): """ - :param deep: If `True`, the copy will be deep and if `False`, the copy will be shallow. Default is `True`. - :type deep: bool - :returns: A simplex tree that is a (deep or shallow) copy of itself. + :returns: A simplex tree that is a deep copy of itself. :rtype: SimplexTree - :note: copy requires :func:`compute_persistence` to be launched again as the result is not copied. + + :note: copy requires :func:`compute_persistence` to be launched again as the persistence result is not copied. """ stree = SimplexTree() cdef Simplex_tree_interface_full_featured* stree_ptr cdef Simplex_tree_interface_full_featured* self_ptr=self.get_ptr() - if deep: - with nogil: - stree_ptr = new Simplex_tree_interface_full_featured(dereference(self_ptr)) - - stree.thisptr = <intptr_t>(stree_ptr) - else: - stree.thisptr = self.thisptr - # Avoid double free - The original is in charge of deletion - stree.__thisptr_to_be_deleted = False - return stree + with nogil: + stree_ptr = new Simplex_tree_interface_full_featured(dereference(self_ptr)) - def __copy__(self): - return self.copy(deep=False) + stree.thisptr = <intptr_t>(stree_ptr) + return stree def __deepcopy__(self): - return self.copy(deep=True) + return self.copy() def filtration(self, simplex): """This function returns the filtration value for a given N-simplex in |