From d51db2228b573db7846ad525a2f0dd47181395a7 Mon Sep 17 00:00:00 2001
From: Zachary Dremann <dremann@gmail.com>
Date: Wed, 22 May 2024 20:34:04 -0400
Subject: [PATCH] Add roaring64_bitmap_clear function

---
 include/roaring/roaring64.h | 5 +++++
 src/roaring64.c             | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/include/roaring/roaring64.h b/include/roaring/roaring64.h
index edf1f1b77..c71bccb91 100644
--- a/include/roaring/roaring64.h
+++ b/include/roaring/roaring64.h
@@ -202,6 +202,11 @@ void roaring64_bitmap_remove_range(roaring64_bitmap_t *r, uint64_t min,
 void roaring64_bitmap_remove_range_closed(roaring64_bitmap_t *r, uint64_t min,
                                           uint64_t max);
 
+/**
+ * Empties the bitmap.
+ */
+void roaring64_bitmap_clear(roaring64_bitmap_t *r);
+
 /**
  * Returns true if the provided value is present.
  */
diff --git a/src/roaring64.c b/src/roaring64.c
index e09136024..b10bf4594 100644
--- a/src/roaring64.c
+++ b/src/roaring64.c
@@ -707,6 +707,10 @@ void roaring64_bitmap_remove_range_closed(roaring64_bitmap_t *r, uint64_t min,
     remove_range_closed_at(art, max_high48, 0, max_low16);
 }
 
+void roaring64_bitmap_clear(roaring64_bitmap_t *r) {
+    roaring64_bitmap_remove_range_closed(r, 0, UINT64_MAX);
+}
+
 uint64_t roaring64_bitmap_get_cardinality(const roaring64_bitmap_t *r) {
     art_iterator_t it = art_init_iterator(&r->art, /*first=*/true);
     uint64_t cardinality = 0;