bkmgit commented on a change in pull request #11882:
URL: https://github.com/apache/arrow/pull/11882#discussion_r787038522
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File path: cpp/src/arrow/util/bit_block_counter.h
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@@ -422,6 +426,96 @@ class ARROW_EXPORT OptionalBinaryBitBlockCounter {
}
};
+/// \brief A class that computes popcounts on the result of bitwise operations
+/// between three bitmaps, 64 bits at a time. A 64-bit word is loaded from each
+/// bitmap, then the popcount is computed on e.g. the bitwise-and of the three
+/// words.
+class ARROW_EXPORT TernaryBitBlockCounter {
Review comment:
Removed.
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