summaryrefslogtreecommitdiff
path: root/src/Simplex_tree/concept/SimplexTreeOptions.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/Simplex_tree/concept/SimplexTreeOptions.h')
-rw-r--r--src/Simplex_tree/concept/SimplexTreeOptions.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/Simplex_tree/concept/SimplexTreeOptions.h b/src/Simplex_tree/concept/SimplexTreeOptions.h
new file mode 100644
index 00000000..cee1a890
--- /dev/null
+++ b/src/Simplex_tree/concept/SimplexTreeOptions.h
@@ -0,0 +1,31 @@
+/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
+ * Author(s): Marc Glisse
+ *
+ * Copyright (C) 2015 Inria
+ *
+ * Modification(s):
+ * - YYYY/MM Author: Description of the modification
+ */
+
+/** \brief Concept of the template parameter for the class `Gudhi::Simplex_tree<SimplexTreeOptions>`.
+ *
+ * One model for this is `Gudhi::Simplex_tree_options_full_featured`. If you want to provide your own, it is recommended that you derive from it and override some parts instead of writing a class from scratch.
+ */
+struct SimplexTreeOptions {
+ /// Forced for now.
+ typedef IndexingTag Indexing_tag;
+ /// Must be a signed integer type. It admits a total order <.
+ typedef VertexHandle Vertex_handle;
+ /// Must be comparable with operator<.
+ typedef FiltrationValue Filtration_value;
+ /// Must be an integer type.
+ typedef SimplexKey Simplex_key;
+ /// If true, each simplex has extra storage for one `Simplex_key`. Necessary for `Persistent_cohomology`.
+ static const bool store_key;
+ /// If true, each simplex has extra storage for one `Filtration_value`, and this value is propagated by operations like `Gudhi::Simplex_tree::expansion`. Without it, `Persistent_cohomology` degenerates to computing usual (non-persistent) cohomology.
+ static const bool store_filtration;
+ /// If true, the list of vertices present in the complex must always be 0, ..., num_vertices-1, without any hole.
+ static constexpr bool contiguous_vertices;
+};
+