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fc_botelho
2008-03-29 01:48:15 +00:00
parent c8a1c4fef9
commit b0c9cd5c4c
12 changed files with 611 additions and 189 deletions
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31
src/bdz_ph.c
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@@ -569,16 +569,20 @@ cmph_uint32 bdz_ph_search_fingerprint(cmph_t *mphf, const char *key, cmph_uint32
void bdz_ph_pack(cmph_t *mphf, void *packed_mphf)
{
bdz_ph_data_t *data = (bdz_ph_data_t *)mphf->data;
cmph_uint32 * ptr = packed_mphf;
cmph_uint8 * ptr = packed_mphf;
// packing hl type
CMPH_HASH hl_type = hash_get_type(data->hl);
*((cmph_uint32 *) ptr) = hl_type;
ptr += sizeof(cmph_uint32);
// packing hl
hash_state_pack(data->hl, ptr);
ptr += (hash_state_packed_size(data->hl) >> 2); // (hash_state_packed_size(data->hl) / 4);
ptr += hash_state_packed_size(hl_type);
// packing r
*ptr++ = data->r;
*((cmph_uint32 *) ptr) = data->r;
ptr += sizeof(data->r);
// packing g
memcpy(ptr, data->g, sizeof(cmph_uint8)*((data->n/5)+1));
@@ -592,7 +596,9 @@ void bdz_ph_pack(cmph_t *mphf, void *packed_mphf)
cmph_uint32 bdz_ph_packed_size(cmph_t *mphf)
{
bdz_ph_data_t *data = (bdz_ph_data_t *)mphf->data;
return (sizeof(CMPH_ALGO) + hash_state_packed_size(data->hl) + sizeof(cmph_uint32) + sizeof(cmph_uint8)*((data->n/5)+1));
CMPH_HASH hl_type = hash_get_type(data->hl);
return (sizeof(CMPH_ALGO) + hash_state_packed_size(hl_type) + 2*sizeof(cmph_uint32) + sizeof(cmph_uint8)*((data->n/5)+1));
}
/** cmph_uint32 bdz_ph_search(void *packed_mphf, const char *key, cmph_uint32 keylen);
@@ -605,18 +611,19 @@ cmph_uint32 bdz_ph_packed_size(cmph_t *mphf)
cmph_uint32 bdz_ph_search_packed(void *packed_mphf, const char *key, cmph_uint32 keylen)
{
register cmph_uint32 *hl_ptr = (cmph_uint32 *)packed_mphf;
register cmph_uint32 hl_size = *hl_ptr;
register cmph_uint32 *ptr = hl_ptr + (hl_size >> 2); // h2_ptr + h2_size/4
register CMPH_HASH hl_type = *(cmph_uint32 *)packed_mphf;
register cmph_uint8 *hl_ptr = (cmph_uint8 *)(packed_mphf + 4);
register cmph_uint8 * ptr = hl_ptr + hash_state_packed_size(hl_type);
register cmph_uint32 r = *ptr++;
register cmph_uint8 * g = (cmph_uint8 *)ptr;
register cmph_uint32 r = *((cmph_uint32*) ptr);
register cmph_uint8 * g = ptr + 4;
cmph_uint32 hl[3];
register cmph_uint8 byte0, byte1, byte2;
register cmph_uint32 vertex;
hash_vector_packed(hl_ptr, key, keylen, hl);
hash_vector_packed(hl_ptr, hl_type, key, keylen, hl);
hl[0] = hl[0] % r;
hl[1] = hl[1] % r + r;