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#include <stdlib.h>
#include <string.h>
#include <stdint.h> /* defines SIZE_MAX */
#include "../sequence/sequence.h"
#include "../pipe/pipe.h"
#include "knowledge.h"
/******************************************************************************/
/** LEARN FOLLOWING SEQUENCE **************************************************/
/******************************************************************************/
static int add_following_sequence
(
struct ZoO_knowledge k [const restrict static 1],
const ZoO_index sequence [const restrict static 1],
const size_t index,
const size_t sequence_length,
const ZoO_index markov_order,
const struct ZoO_pipe io [const restrict static 1]
)
{
/* TODO */
return -1;
}
/******************************************************************************/
/** LEARN PRECEDING SEQUENCE **************************************************/
/******************************************************************************/
static int add_preceding_sequence
(
struct ZoO_knowledge k [const restrict static 1],
const ZoO_index sequence [const restrict static 1],
const size_t index,
const size_t sequence_length,
const ZoO_index markov_order,
const struct ZoO_pipe io [const restrict static 1]
)
{
/* TODO */
return -1;
}
/******************************************************************************/
/** EXPORTED ******************************************************************/
/******************************************************************************/
int ZoO_knowledge_learn_sequence
(
struct ZoO_knowledge k [const restrict static 1],
const ZoO_index sequence [const restrict static 1],
const size_t sequence_length,
const ZoO_index markov_order,
const struct ZoO_pipe io [const restrict static 1]
)
{
ZoO_index * buffer;
size_t i;
const ZoO_index buffer_length = (markov_order - 1);
for (i = 0; i < sequence_length; ++i)
{
k->words[sequence[i]].occurrences += 1;
add_preceding_sequence
(
k,
sequence,
i,
sequence_length,
buffer_length,
io
);
add_following_sequence
(
k,
sequence,
i,
sequence_length,
markov_order,
io
);
/*
* TODO: in case of failure, undo part of the word done so far: instead
* of unlearning, just remove the occurrence count of sequences and
* words so that {k} remains coherent.
*/
}
return 0;
}
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