#include "../src/compressed_rank.h" #define DEBUG #include "../src/debug.h" #include static inline void print_values(compressed_rank_t * cr, cmph_uint32 idx) { register cmph_uint32 index; index = compressed_rank_query(cr, idx); fprintf(stderr, "Index[%u]\t= %u\n", idx, index); } static inline void print_values_packed(char * cr_packed, cmph_uint32 idx) { register cmph_uint32 index; index = compressed_rank_query_packed(cr_packed, idx); fprintf(stderr, "Index[%u]\t= %u\n", idx, index); } /* n = 20 Indices: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 vector[] = {0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1} nzeros = 12 zeroIndices[] = {0, 1, 2, 5, 7, 9, 11, 12, 13, 16, 17, 18} */ int main(int argc, char **argv) { compressed_rank_t cr; cmph_uint32 i = 0; cmph_uint32 n = 12; cmph_uint32 nIndices = 20; cmph_uint32 keys_vec[] = {0, 1, 2, 5, 7, 9, 11, 12, 13, 16, 17, 18}; char *buf = NULL; cmph_uint32 buflen = 0; char * cr_packed = NULL; cmph_uint32 cr_pack_size = 0; compressed_rank_init(&cr); compressed_rank_generate(&cr, keys_vec, n); fprintf(stderr, "Space usage = %u\n", compressed_rank_get_space_usage(&cr)); for(i = 0; i < nIndices; i++) { print_values(&cr, i); } fprintf(stderr, "Dumping compressed rank structure\n"); compressed_rank_dump(&cr, &buf, &buflen); compressed_rank_destroy(&cr); fprintf(stderr, "Loading compressed rank structure\n"); compressed_rank_load(&cr, buf, buflen); for(i = 0; i < nIndices; i++) { print_values(&cr, i); } free(buf); cr_pack_size = compressed_rank_packed_size(&cr); cr_packed = (char *) calloc(cr_pack_size, sizeof(char)); compressed_rank_pack(&cr, cr_packed); compressed_rank_destroy(&cr); fprintf(stderr, "Querying the packed compressed rank structure\n"); for(i = 0; i < nIndices; i++) { print_values_packed(cr_packed, i); } free(cr_packed); return 0; }