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-rw-r--r--src/common/bits.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/common/bits.h b/src/common/bits.h
index 02f75e9..c6a300a 100644
--- a/src/common/bits.h
+++ b/src/common/bits.h
@@ -78,6 +78,9 @@ bool test_none_in_bit_field(const bitfield_t *, size_t, size_t);
/* Détermine si un ensemble de bits est à 1 dans un champ. */
bool test_all_in_bit_field(const bitfield_t *, size_t, size_t);
+/* Détermine le nombre de bits à 1 dans un champ. */
+size_t popcount_for_bit_field(const bitfield_t *);
+
#endif /* _COMMON_BITS_H */