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Diffstat (limited to '')
| -rw-r--r-- | ewah/bitmap.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/ewah/bitmap.c b/ewah/bitmap.c index 7b525b1..ac7e0af 100644 --- a/ewah/bitmap.c +++ b/ewah/bitmap.c @@ -169,6 +169,15 @@ size_t bitmap_popcount(struct bitmap *self) return count; } +int bitmap_is_empty(struct bitmap *self) +{ + size_t i; + for (i = 0; i < self->word_alloc; i++) + if (self->words[i]) + return 0; + return 1; +} + int bitmap_equals(struct bitmap *self, struct bitmap *other) { struct bitmap *big, *small; |