const void * fc_solve_kaz_tree_alloc_insert(dict_t *dict, const void *key)
#endif
{
dnode_t * from_bin;
dnode_t * node;
const void * ret;
fcs_compact_allocator_t * allocator;
allocator = &(dict->dict_allocator);
if ((from_bin = dict->dict_recycle_bin) != NULL)
{
node = dict->dict_recycle_bin;
dict->dict_recycle_bin = DNODE_NEXT(node);
}
else
{
node = (dnode_t *)
fcs_compact_alloc_ptr(allocator, sizeof(*node))
;
}
#ifdef NO_FC_SOLVE
dnode_init(node, data);
#else
dnode_init(node);
#endif
if ((ret = fc_solve_kaz_tree_insert(dict, node, key)))
{
if (from_bin)
{
DNODE_NEXT(node) = dict->dict_recycle_bin;
dict->dict_recycle_bin = node;
}
else
{
fcs_compact_alloc_release(allocator);
}
}
return ret;
}
DLLEXPORT int fc_solve_user_INTERNAL_is_fcc_new(
enum fcs_dbm_variant_type_t local_variant,
const char * init_state_str_proto,
const char * start_state_str_proto,
/* NULL-terminated */
const char * * min_states,
/* NULL-terminated */
const char * * states_in_cache,
fcs_bool_t * const out_is_fcc_new
)
{
fcs_state_keyval_pair_t init_state;
fc_solve_delta_stater_t * delta;
fcs_encoded_state_buffer_t enc_state;
fcs_encoded_state_buffer_t start_enc_state;
fcs_meta_compact_allocator_t meta_alloc;
fcs_FCC_start_points_list_t start_points_list;
dict_t * do_next_fcc_start_points_exist;
dict_t * does_min_by_sorting_exist;
fcs_compact_allocator_t temp_allocator;
fcs_fcc_moves_seq_allocator_t moves_list_allocator;
const int max_num_elements_in_cache = 1000000;
fcs_lru_cache_t does_state_exist_in_any_FCC_cache;
fcs_encoded_state_buffer_t min_by_sorting;
fcs_fcc_moves_seq_t init_moves_seq;
add_start_point_context_t add_start_point_context;
void * tree_recycle_bin = NULL;
DECLARE_IND_BUF_T(indirect_stacks_buffer)
fc_solve_initial_user_state_to_c(
init_state_str_proto,
&init_state,
FREECELLS_NUM,
STACKS_NUM,
DECKS_NUM,
indirect_stacks_buffer
);
delta = fc_solve_delta_stater_alloc(
&(init_state.s),
STACKS_NUM,
FREECELLS_NUM
#ifndef FCS_FREECELL_ONLY
, FCS_SEQ_BUILT_BY_ALTERNATE_COLOR
#endif
);
fcs_init_and_encode_state(
delta,
local_variant,
&(init_state),
&enc_state
);
fc_solve_state_string_to_enc(
local_variant,
delta,
start_state_str_proto,
&(start_enc_state)
);
fc_solve_meta_compact_allocator_init( &meta_alloc );
start_points_list.list = NULL;
start_points_list.recycle_bin = NULL;
fc_solve_compact_allocator_init(&(start_points_list.allocator), &meta_alloc);
do_next_fcc_start_points_exist =
fc_solve_kaz_tree_create(fc_solve_compare_encoded_states, NULL, &meta_alloc, &tree_recycle_bin);
does_min_by_sorting_exist =
fc_solve_kaz_tree_create(fc_solve_compare_encoded_states, NULL, &meta_alloc, &tree_recycle_bin);
fc_solve_compact_allocator_init(&(temp_allocator), &meta_alloc);
moves_list_allocator.recycle_bin = NULL;
moves_list_allocator.allocator = &(temp_allocator);
/* Populate does_min_by_sorting_exist from min_states */
{
const char * * min_states_iter = min_states;
for (; *(min_states_iter) ; min_states_iter++)
{
fcs_encoded_state_buffer_t * min_enc_state;
min_enc_state = (fcs_encoded_state_buffer_t *)
fcs_compact_alloc_ptr(
&(temp_allocator),
sizeof (*min_enc_state)
);
fc_solve_state_string_to_enc(
local_variant,
delta,
*(min_states_iter),
min_enc_state
);
fc_solve_kaz_tree_alloc_insert(
does_min_by_sorting_exist,
min_enc_state
);
}
}
cache_init(&does_state_exist_in_any_FCC_cache, max_num_elements_in_cache, &meta_alloc);
/* Populate does_state_exist_in_any_FCC_cache from states_in_cache */
{
const char * * min_states_iter = states_in_cache;
for (; *(min_states_iter) ; min_states_iter++)
{
fcs_encoded_state_buffer_t * min_enc_state;
min_enc_state = (fcs_encoded_state_buffer_t *)
fcs_compact_alloc_ptr(
&(temp_allocator),
sizeof (*min_enc_state)
);
fc_solve_state_string_to_enc(
local_variant,
delta,
*(min_states_iter),
min_enc_state
);
cache_insert (&does_state_exist_in_any_FCC_cache, min_enc_state, NULL, '\0');
}
}
init_moves_seq.moves_list = NULL;
init_moves_seq.count = 0;
add_start_point_context.do_next_fcc_start_points_exist = do_next_fcc_start_points_exist;
add_start_point_context.next_start_points_list = &start_points_list;
add_start_point_context.moves_list_allocator = &moves_list_allocator;
{
long num_new_positions_temp;
perform_FCC_brfs(
local_variant,
&(init_state),
start_enc_state,
&init_moves_seq,
fc_solve_add_start_point_in_mem,
&add_start_point_context,
out_is_fcc_new,
&min_by_sorting,
does_min_by_sorting_exist,
&does_state_exist_in_any_FCC_cache,
&num_new_positions_temp,
&moves_list_allocator,
&meta_alloc
);
}
fc_solve_compact_allocator_finish(&(start_points_list.allocator));
fc_solve_compact_allocator_finish(&(temp_allocator));
fc_solve_delta_stater_free (delta);
fc_solve_kaz_tree_destroy(do_next_fcc_start_points_exist);
fc_solve_kaz_tree_destroy(does_min_by_sorting_exist);
cache_destroy(&does_state_exist_in_any_FCC_cache);
fc_solve_meta_compact_allocator_finish( &meta_alloc );
return 0;
}
static void GCC_INLINE fc_solve_cache_stacks(
fc_solve_hard_thread_t * hard_thread,
fcs_state_t * new_state_key,
fcs_state_extra_info_t * new_state_val
)
{
int a;
#if (FCS_STACK_STORAGE == FCS_STACK_STORAGE_INTERNAL_HASH)
#ifdef FCS_ENABLE_SECONDARY_HASH_VALUE
SFO_hash_value_t hash_value_int;
#endif
#elif (FCS_STACK_STORAGE == FCS_STACK_STORAGE_JUDY)
PWord_t * PValue;
#endif
void * cached_stack;
char * new_ptr;
fc_solve_instance_t * instance = hard_thread->instance;
#ifndef HARD_CODED_NUM_STACKS
DECLARE_AND_SET_GAME_PARAMS();
#endif
fcs_cards_column_t column;
register int col_len;
fcs_compact_allocator_t * stacks_allocator;
stacks_allocator = &(hard_thread->allocator);
for(a=0 ; a < LOCAL_STACKS_NUM ; a++)
{
/*
* If the stack is not a copy - it is already cached so skip
* to the next stack
* */
if (! (new_state_val->stacks_copy_on_write_flags & (1 << a)))
{
continue;
}
column = fcs_state_get_col(*new_state_key, a);
col_len = (fcs_col_len(column)+1);
new_ptr = (char*)fcs_compact_alloc_ptr(stacks_allocator, col_len);
memcpy(new_ptr, column, col_len);
new_state_key->stacks[a] = new_ptr;
#if FCS_STACK_STORAGE == FCS_STACK_STORAGE_INTERNAL_HASH
#ifdef FCS_ENABLE_SECONDARY_HASH_VALUE
/* Calculate the hash value for the stack */
/* This hash function was ripped from the Perl source code.
* (It is not derived work however). */
{
const char * s_ptr = (char*)(new_state_key->stacks[a]);
const char * s_end = s_ptr+fcs_col_len(s_ptr)+1;
hash_value_int = 0;
while (s_ptr < s_end)
{
hash_value_int += (hash_value_int << 5) + *(s_ptr++);
}
hash_value_int += (hash_value_int >> 5);
}
if (hash_value_int < 0)
{
/*
* This is a bit mask that nullifies the sign bit of the
* number so it will always be positive
* */
hash_value_int &= (~(1<<((sizeof(hash_value_int)<<3)-1)));
}
#endif
{
void * dummy;
int verdict;
column = fcs_state_get_col(*new_state_key, a);
verdict = fc_solve_hash_insert(
&(instance->stacks_hash),
column,
column,
&cached_stack,
&dummy,
perl_hash_function(
(ub1 *)new_state_key->stacks[a],
col_len
)
#ifdef FCS_ENABLE_SECONDARY_HASH_VALUE
, hash_value_int
#endif
);
replace_with_cached(verdict);
}
#elif (FCS_STACK_STORAGE == FCS_STACK_STORAGE_GOOGLE_DENSE_HASH)
{
int verdict;
void * dummy;
column = fcs_state_get_col(*new_state_key, a);
verdict = fc_solve_columns_google_hash_insert(
instance->stacks_hash,
column,
column,
&cached_stack,
&dummy
);
replace_with_cached(verdict);
}
#elif (FCS_STACK_STORAGE == FCS_STACK_STORAGE_LIBAVL2_TREE)
cached_stack =
fcs_libavl2_stacks_tree_insert(
instance->stacks_tree,
new_state_key->stacks[a]
);
replace_with_cached(cached_stack != NULL);
#elif (FCS_STACK_STORAGE == FCS_STACK_STORAGE_LIBREDBLACK_TREE)
cached_stack = (void *)rbsearch(
new_state_key->stacks[a],
instance->stacks_tree
);
replace_with_cached(cached_stack != new_state_key->stacks[a]);
#elif (FCS_STACK_STORAGE == FCS_STACK_STORAGE_GLIB_TREE)
cached_stack = g_tree_lookup(
instance->stacks_tree,
(gpointer)new_state_key->stacks[a]
);
/* replace_with_cached contains an if statement */
replace_with_cached(cached_stack != NULL)
else
{
g_tree_insert(
instance->stacks_tree,
(gpointer)new_state_key->stacks[a],
(gpointer)new_state_key->stacks[a]
);
}
#elif (FCS_STACK_STORAGE == FCS_STACK_STORAGE_GLIB_HASH)
cached_stack = g_hash_table_lookup(
instance->stacks_hash,
(gconstpointer)new_state_key->stacks[a]
);
replace_with_cached(cached_stack != NULL)
else
{
g_hash_table_insert(
instance->stacks_hash,
(gpointer)new_state_key->stacks[a],
(gpointer)new_state_key->stacks[a]
);
}
#elif (FCS_STACK_STORAGE == FCS_STACK_STORAGE_JUDY)
column = fcs_state_get_col(*new_state_key, a);
JHSI(
PValue,
instance->stacks_judy_array,
column,
(1+fcs_col_len(column))
);
/* later_todo : Handle out-of-memory. */
if (*PValue == 0)
{
/* A new stack */
*PValue = (PWord_t)column;
}
else
{
cached_stack = (void *)(*PValue);
replace_with_cached(1);
}
#else
#error FCS_STACK_STORAGE is not set to a good value.
#endif
}
}