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RocksDB for Erlang
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deps/CRoaring/src/containers/mixed_equal.c
#include <roaring/containers/mixed_equal.h>
#ifdef __cplusplus
extern "C" {
namespace roaring {
namespace internal {
#endif
bool array_container_equal_bitset(const array_container_t* container1,
const bitset_container_t* container2) {
if (container2->cardinality != BITSET_UNKNOWN_CARDINALITY) {
if (container2->cardinality != container1->cardinality) {
return false;
}
}
int32_t pos = 0;
for (int32_t i = 0; i < BITSET_CONTAINER_SIZE_IN_WORDS; ++i) {
uint64_t w = container2->words[i];
while (w != 0) {
uint64_t t = w & (~w + 1);
uint16_t r = i * 64 + roaring_trailing_zeroes(w);
if (pos >= container1->cardinality) {
return false;
}
if (container1->array[pos] != r) {
return false;
}
++pos;
w ^= t;
}
}
return (pos == container1->cardinality);
}
bool run_container_equals_array(const run_container_t* container1,
const array_container_t* container2) {
if (run_container_cardinality(container1) != container2->cardinality)
return false;
int32_t pos = 0;
for (int i = 0; i < container1->n_runs; ++i) {
const uint32_t run_start = container1->runs[i].value;
const uint32_t le = container1->runs[i].length;
if (container2->array[pos] != run_start) {
return false;
}
if (container2->array[pos + le] != run_start + le) {
return false;
}
pos += le + 1;
}
return true;
}
bool run_container_equals_bitset(const run_container_t* container1,
const bitset_container_t* container2) {
int run_card = run_container_cardinality(container1);
int bitset_card = (container2->cardinality != BITSET_UNKNOWN_CARDINALITY)
? container2->cardinality
: bitset_container_compute_cardinality(container2);
if (bitset_card != run_card) {
return false;
}
for (int32_t i = 0; i < container1->n_runs; i++) {
uint32_t begin = container1->runs[i].value;
if (container1->runs[i].length) {
uint32_t end = begin + container1->runs[i].length + 1;
if (!bitset_container_contains_range(container2, begin, end)) {
return false;
}
} else {
if (!bitset_container_contains(container2, begin)) {
return false;
}
}
}
return true;
}
#ifdef __cplusplus
}
}
} // extern "C" { namespace roaring { namespace internal {
#endif