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| author | Vincent Rouvreau <10407034+VincentRouvreau@users.noreply.github.com> | 2022-04-11 09:39:16 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-04-11 09:39:16 +0200 |
| commit | a43ca657787745e8b945943987b313106ec67f1f (patch) | |
| tree | 7958e4bfc128cd0cb0c2cf02857be17b7b3f57cd /src/python/doc | |
| parent | b066b4376abf66ddc76e61a6a815a409b05fe59b (diff) | |
| parent | 25172af7cbe5a3ea3017bed6fde53be471a7e4bf (diff) | |
Merge pull request #596 from VincentRouvreau/float_relative_precision_alpha_python
Float relative precision alpha python
Diffstat (limited to 'src/python/doc')
| -rw-r--r-- | src/python/doc/alpha_complex_user.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/python/doc/alpha_complex_user.rst b/src/python/doc/alpha_complex_user.rst index cfd22742..b060c86e 100644 --- a/src/python/doc/alpha_complex_user.rst +++ b/src/python/doc/alpha_complex_user.rst @@ -27,7 +27,8 @@ Remarks If you pass :code:`precision = 'exact'` to :func:`~gudhi.AlphaComplex.__init__`, the filtration values are the exact ones converted to float. This can be very slow. If you pass :code:`precision = 'safe'` (the default), the filtration values are only - guaranteed to have a small multiplicative error compared to the exact value. + guaranteed to have a small multiplicative error compared to the exact value, see + :func:`~gudhi.AlphaComplex.set_float_relative_precision` to modify the precision. A drawback, when computing persistence, is that an empty exact interval [10^12,10^12] may become a non-empty approximate interval [10^12,10^12+10^6]. Using :code:`precision = 'fast'` makes the computations slightly faster, and the combinatorics are still exact, but |