Use robinhood::hash function instead of std::hash

Signed-off-by: julian <[email protected]>
scikit-tda · Oct 30, 2020 · 7e1107b · 7e1107b
1 parent 212066a
commit 7e1107b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/ripser/ripser.cpp b/ripser/ripser.cpp
@@ -526,7 +526,11 @@ class ripser
     struct entry_hash {
         std::size_t operator()(const entry_t& e) const
         {
+#if defined(USE_ROBINHOOD_HASHMAP)
+            return robin_hood::hash<index_t>()(::get_index(e));
+#else
             return std::hash<index_t>()(::get_index(e));
+#endif
         }
     };