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Simplex tree ctors with data #1151

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@VincentRouvreau VincentRouvreau commented Nov 7, 2024

rec_copy can copy or not simplex_data.
Some documentation and tests to explain when data are copied or not.
Fix #1127

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Is it wanted that the non assigned data seems to take a random value ? For unit test "simplex_data", the output is:

(2 1 0 ) filtration=0 - data='4'
(1 0 ) filtration=0 - data='5'
(2 0 ) filtration=0 - data='43808336'
(0 ) filtration=0 - data='2'
(2 1 ) filtration=0 - data='43808304'
(1 ) filtration=0 - data='43808304'
(2 ) filtration=0 - data='43808304'

Data is of type int and only 4 and 5 were assigned.

src/Simplex_tree/include/gudhi/Simplex_tree.h Outdated Show resolved Hide resolved
src/Simplex_tree/include/gudhi/Simplex_tree.h Outdated Show resolved Hide resolved
src/Simplex_tree/include/gudhi/Simplex_tree.h Outdated Show resolved Hide resolved
VincentRouvreau and others added 3 commits November 14, 2024 08:55
Co-authored-by: hschreiber <[email protected]>
Co-authored-by: hschreiber <[email protected]>
Co-authored-by: hschreiber <[email protected]>
@VincentRouvreau
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Is it wanted that the non assigned data seems to take a random value ? For unit test "simplex_data", the output is:

(2 1 0 ) filtration=0 - data='4'
(1 0 ) filtration=0 - data='5'
(2 0 ) filtration=0 - data='43808336'
(0 ) filtration=0 - data='2'
(2 1 ) filtration=0 - data='43808304'
(1 ) filtration=0 - data='43808304'
(2 ) filtration=0 - data='43808304'

Data is of type int and only 4 and 5 were assigned.

It is the behaviour we want. We do not say it, but data are not initialized with a default value, that would take time. It is up to the user to deal with it.

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Additionnal data in Simplex_tree are not copied
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