int pc_export_switch_2(void)
{
BPLONG sw,sw_ins_ids,sw_ins_id;
SW_INS_PTR *curr_ins_ptr;
sw = bpx_get_integer(bpx_get_call_arg(1,2));
sw_ins_ids = bpx_get_call_arg(2,2);
if (sw >= max_sw_tab_size) expand_switch_table(sw + 1);
if (sw >= sw_tab_size) sw_tab_size = sw + 1;
curr_ins_ptr = &switches[sw];
while (bpx_is_list(sw_ins_ids)) {
sw_ins_id = bpx_get_integer(bpx_get_car(sw_ins_ids));
sw_ins_ids = bpx_get_cdr(sw_ins_ids);
if (sw_ins_id >= max_sw_ins_tab_size)
expand_switch_instance_table(sw_ins_id + 1);
if (sw_ins_id >= sw_ins_tab_size) sw_ins_tab_size = sw_ins_id + 1;
switch_instances[sw_ins_id] = alloc_switch_instance();
switch_instances[sw_ins_id]->id = sw_ins_id;
*curr_ins_ptr = switch_instances[sw_ins_id];
curr_ins_ptr = &switch_instances[sw_ins_id]->next;
}
*curr_ins_ptr = NULL;
return BP_TRUE;
}
int pc_crf_prepare_4(void) {
TERM p_fact_list;
int size;
p_fact_list = bpx_get_call_arg(1,4);
size = bpx_get_integer(bpx_get_call_arg(2,4));
num_goals = bpx_get_integer(bpx_get_call_arg(3,4));
failure_root_index = bpx_get_integer(bpx_get_call_arg(4,4));
failure_observed = (failure_root_index != -1);
if (failure_root_index != -1) {
failure_subgoal_id = prism_goal_id_get(failure_atom);
if (failure_subgoal_id == -1) {
emit_internal_error("no subgoal ID allocated to `failure'");
RET_INTERNAL_ERR;
}
}
initialize_egraph_index();
alloc_sorted_egraph(size);
RET_ON_ERR(sort_crf_egraphs(p_fact_list));
#ifndef MPI
if (verb_graph) {
print_egraph(0, PRINT_NEUTRAL);
}
#endif /* !(MPI) */
alloc_occ_switches();
alloc_num_sw_vals();
return BP_TRUE;
}
int pc_compute_inside_2(void)
{
int gid;
double prob;
EG_NODE_PTR eg_ptr;
gid = bpx_get_integer(bpx_get_call_arg(1,2));
initialize_egraph_index();
alloc_sorted_egraph(1);
RET_ON_ERR(sort_one_egraph(gid, 0, 1));
if (verb_graph) {
print_egraph(0, PRINT_NEUTRAL);
}
eg_ptr = expl_graph[gid];
if (log_scale) {
RET_ON_ERR(compute_inside_scaling_log_exp());
prob = eg_ptr->inside;
}
else {
RET_ON_ERR(compute_inside_scaling_none());
prob = eg_ptr->inside;
}
return bpx_unify(bpx_get_call_arg(2,2), bpx_build_float(prob));
}
/*
* Note: parameters are always refreshed in advance by $pc_export_sw_info/1,
* so it causes no problem to overwrite them temporarily
*/
int pc_compute_n_viterbi_rerank_4(void)
{
TERM p_n_viterbi_list;
int n,l,goal_id;
n = bpx_get_integer(bpx_get_call_arg(1,4));
l = bpx_get_integer(bpx_get_call_arg(2,4));
goal_id = bpx_get_integer(bpx_get_call_arg(3,4));
initialize_egraph_index();
alloc_sorted_egraph(1);
/* INIT_MIN_MAX_NODE_NOS; */
RET_ON_ERR(sort_one_egraph(goal_id,0,1));
if (verb_graph) print_egraph(0,PRINT_NEUTRAL);
alloc_occ_switches();
transfer_hyperparams_prolog();
get_param_means();
compute_n_max(l);
get_n_most_likely_path_rerank(n,l,goal_id,&p_n_viterbi_list);
release_occ_switches();
return bpx_unify(bpx_get_call_arg(4,4),p_n_viterbi_list);
}
/* [Note] node copying is not required here even in computation without
* inter-goal sharing, but we need to declare it explicitly.
*/
int pc_compute_viterbi_5(void)
{
TERM p_goal_path,p_subpath_goal,p_subpath_sw;
int goal_id;
double viterbi_prob;
goal_id = bpx_get_integer(bpx_get_call_arg(1,5));
initialize_egraph_index();
alloc_sorted_egraph(1);
/* INIT_MIN_MAX_NODE_NOS; */
RET_ON_ERR(sort_one_egraph(goal_id,0,1));
if (verb_graph) print_egraph(0,PRINT_NEUTRAL);
compute_max();
if (debug_level) print_egraph(1,PRINT_VITERBI);
get_most_likely_path(goal_id,&p_goal_path,&p_subpath_goal,
&p_subpath_sw,&viterbi_prob);
return
bpx_unify(bpx_get_call_arg(2,5), p_goal_path) &&
bpx_unify(bpx_get_call_arg(3,5), p_subpath_goal) &&
bpx_unify(bpx_get_call_arg(4,5), p_subpath_sw) &&
bpx_unify(bpx_get_call_arg(5,5), bpx_build_float(viterbi_prob));
}
int pc_get_snode_feature_3(void) {
int idx = bpx_get_integer(bpx_get_call_arg(1,3));
double val = switch_instances[idx]->inside_h;
double lambda = switch_instances[idx]->inside;
return bpx_unify(bpx_get_call_arg(2,3),bpx_build_float(val))
&& bpx_unify(bpx_get_call_arg(3,3),bpx_build_float(lambda));
}
int pc_get_snode_inside_2(void)
{
int idx = bpx_get_integer(bpx_get_call_arg(1,2));
double val = switch_instances[idx]->inside;
if (log_scale) val = log(val);
return bpx_unify(bpx_get_call_arg(2,2),bpx_build_float(val));
}
int pc_prism_grd_2(void) {
struct CRF_Engine crf_eng;
RET_ON_ERR(run_grd(&crf_eng));
return
bpx_unify(bpx_get_call_arg(1,2), bpx_build_integer(crf_eng.iterate)) &&
bpx_unify(bpx_get_call_arg(2,2), bpx_build_float(crf_eng.likelihood));
}
int pc_prism_vbvt_2(void)
{
struct VBVT_Engine vbvt_eng;
RET_ON_ERR(check_smooth_vb());
RET_ON_ERR(run_vbvt(&vbvt_eng));
return
bpx_unify(bpx_get_call_arg(1,2), bpx_build_integer(vbvt_eng.iterate)) &&
bpx_unify(bpx_get_call_arg(2,2), bpx_build_float(vbvt_eng.free_energy));
}
int pc_prism_vbem_2(void)
{
struct VBEM_Engine vb_eng;
RET_ON_ERR(check_smooth_vb());
RET_ON_ERR(run_vbem(&vb_eng));
release_num_sw_vals();
return
bpx_unify(bpx_get_call_arg(1,2), bpx_build_integer(vb_eng.iterate)) &&
bpx_unify(bpx_get_call_arg(2,2), bpx_build_float(vb_eng.free_energy));
}
int pc_prism_vt_4(void)
{
struct VT_Engine vt_eng;
RET_ON_ERR(check_smooth(&vt_eng.smooth));
RET_ON_ERR(run_vt(&vt_eng));
return
bpx_unify(bpx_get_call_arg(1,4), bpx_build_integer(vt_eng.iterate )) &&
bpx_unify(bpx_get_call_arg(2,4), bpx_build_float (vt_eng.lambda )) &&
bpx_unify(bpx_get_call_arg(3,4), bpx_build_float (vt_eng.likelihood)) &&
bpx_unify(bpx_get_call_arg(4,4), bpx_build_integer(vt_eng.smooth )) ;
}
int pc_import_graph_stats_4(void)
{
int stats[4];
double avg_shared;
graph_stats(stats);
avg_shared = (double)(stats[3]) / stats[0];
return
bpx_unify(bpx_get_call_arg(1,4), bpx_build_integer(stats[0])) &&
bpx_unify(bpx_get_call_arg(2,4), bpx_build_integer(stats[1])) &&
bpx_unify(bpx_get_call_arg(3,4), bpx_build_integer(stats[2])) &&
bpx_unify(bpx_get_call_arg(4,4), bpx_build_float(avg_shared));
}
/*
* Export probabilities of switches from Prolog to C. Switches is
* a list of switches, each of which takes the form:
*
* sw(Id,InstanceIds,Probs,SmoothCs,Fixed,FixedH),
*
* where
* Id: identifier of the switch
* InstanceIds: list of ids of the instances of the switch
* Probs: current probabilities assigned to the instance switches
* SmoothCs: current pseudo counts assigned to the instance switches
* Fixed: probabilities fixed?
* FixedH: pseudo counts fixed?
*
* The structures for switch instances have been allocated. This
* function only fills out the initial probabilities.
*/
int pc_export_sw_info_1(void)
{
int sw_id,instance_id,fixed,fixed_h;
double prob,smooth;
TERM p_switches, p_switch;
TERM p_instance_list,p_prob_list,p_smooth_list;
TERM p_prob,p_smooth;
p_switches = bpx_get_call_arg(1,1);
while (bpx_is_list(p_switches)) {
/* p_switch: sw(Id,InstList,ProbList,SmoothCList,FixedP,FixedH) */
p_switch = bpx_get_car(p_switches);
sw_id = bpx_get_integer(bpx_get_arg(1,p_switch));
p_instance_list = bpx_get_arg(2,p_switch);
p_prob_list = bpx_get_arg(3,p_switch);
p_smooth_list = bpx_get_arg(4,p_switch);
fixed = bpx_get_integer(bpx_get_arg(5,p_switch));
fixed_h = bpx_get_integer(bpx_get_arg(6,p_switch));
while (bpx_is_list(p_instance_list)) {
instance_id = bpx_get_integer(bpx_get_car(p_instance_list));
p_prob = bpx_get_car(p_prob_list);
p_smooth = bpx_get_car(p_smooth_list);
if (bpx_is_integer(p_prob)) {
prob = (double)bpx_get_integer(p_prob);
}
else if (bpx_is_float(p_prob)) {
prob = bpx_get_float(p_prob);
}
else {
RET_ERR(illegal_arguments);
}
if (bpx_is_integer(p_smooth)) {
smooth = (double)bpx_get_integer(p_smooth);
}
else if (bpx_is_float(p_smooth)) {
smooth = bpx_get_float(p_smooth);
}
else {
RET_ERR(illegal_arguments);
}
switch_instances[instance_id]->inside = prob;
switch_instances[instance_id]->fixed = fixed;
switch_instances[instance_id]->fixed_h = fixed_h;
switch_instances[instance_id]->smooth_prolog = smooth;
p_instance_list = bpx_get_cdr(p_instance_list);
p_prob_list = bpx_get_cdr(p_prob_list);
p_smooth_list = bpx_get_cdr(p_smooth_list);
}
p_switches = bpx_get_cdr(p_switches);
}
return BP_TRUE;
}
int pc_compute_fprobf_1(void) {
int prmode;
prmode = bpx_get_integer(bpx_get_call_arg(1,1));
failure_root_index = -1;
initialize_weights();
/* [31 Mar 2008, by yuizumi]
* compute_outside_scaling_*() needs to be called because
* eg_ptr->outside computed by compute_expectation_scaling_*()
* is different from the outside probability.
*/
if (log_scale) {
RET_ON_ERR(compute_feature_scaling_log_exp());
if (prmode != 1) {
RET_ON_ERR(compute_expectation_scaling_log_exp());
RET_ON_ERR(compute_outside_scaling_log_exp());
}
} else {
RET_ON_ERR(compute_feature_scaling_none());
if (prmode != 1) {
RET_ON_ERR(compute_expectation_scaling_none());
RET_ON_ERR(compute_outside_scaling_none());
}
}
return BP_TRUE;
}
int pc_add_egraph_path_3(void)
{
TERM p_node_id,p_children,p_sws;
int node_id;
/* children_prolog and sws_prolog must be in the table area */
p_node_id = bpx_get_call_arg(1,3);
p_children = bpx_get_call_arg(2,3);
p_sws = bpx_get_call_arg(3,3);
if (!bpx_is_integer(p_node_id)) RET_ERR(err_invalid_goal_id);
node_id = bpx_get_integer(p_node_id);
XDEREF(p_children);
XDEREF(p_sws);
RET_ON_ERR(add_egraph_path(node_id,p_children,p_sws));
return BP_TRUE;
}
/*
* Sort the explanation graph such that no node sorted_expl_graph[i] calls
* node sorted_expl_graph[j] if i < j.
*
* This function is used only for probf/1-2, so we don't have to consider
* about scaling here.
*/
int pc_alloc_sort_egraph_1(void)
{
int root_id;
root_id = bpx_get_integer(bpx_get_call_arg(1,1));
index_to_sort = 0;
alloc_sorted_egraph(1);
RET_ON_ERR(sort_one_egraph(root_id,0,1));
return BP_TRUE;
}
int pc_compute_n_viterbi_3(void)
{
TERM p_n_viterbi_list;
int n,goal_id;
n = bpx_get_integer(bpx_get_call_arg(1,3));
goal_id = bpx_get_integer(bpx_get_call_arg(2,3));
initialize_egraph_index();
alloc_sorted_egraph(1);
/* INIT_MIN_MAX_NODE_NOS; */
RET_ON_ERR(sort_one_egraph(goal_id,0,1));
if (verb_graph) print_egraph(0,PRINT_NEUTRAL);
compute_n_max(n);
if (debug_level) print_egraph(1,PRINT_VITERBI);
get_n_most_likely_path(n,goal_id,&p_n_viterbi_list);
return bpx_unify(bpx_get_call_arg(3,3),p_n_viterbi_list);
}
int pc_prism_em_6(void)
{
struct EM_Engine em_eng;
RET_ON_ERR(check_smooth(&em_eng.smooth));
RET_ON_ERR(run_em(&em_eng));
release_num_sw_vals();
return
bpx_unify(bpx_get_call_arg(1,6), bpx_build_integer(em_eng.iterate )) &&
bpx_unify(bpx_get_call_arg(2,6), bpx_build_float (em_eng.lambda )) &&
bpx_unify(bpx_get_call_arg(3,6), bpx_build_float (em_eng.likelihood)) &&
bpx_unify(bpx_get_call_arg(4,6), bpx_build_float (em_eng.bic )) &&
bpx_unify(bpx_get_call_arg(5,6), bpx_build_float (em_eng.cs )) &&
bpx_unify(bpx_get_call_arg(6,6), bpx_build_integer(em_eng.smooth )) ;
}
int pc_compute_probf_1(void)
{
EG_NODE_PTR eg_ptr;
int prmode;
prmode = bpx_get_integer(bpx_get_call_arg(1,1));
if (prmode == 3) {
compute_max();
return BP_TRUE;
}
eg_ptr = expl_graph[roots[0]->id];
failure_root_index = -1;
/* [31 Mar 2008, by yuizumi]
* compute_outside_scaling_*() is needed to be called because
* eg_ptr->outside computed by compute_expectation_scaling_*()
* is different from the outside probability.
*/
if (log_scale) {
RET_ON_ERR(compute_inside_scaling_log_exp());
if (prmode != 1) {
RET_ON_ERR(compute_expectation_scaling_log_exp());
RET_ON_ERR(compute_outside_scaling_log_exp());
}
}
else {
RET_ON_ERR(compute_inside_scaling_none());
if (prmode != 1) {
RET_ON_ERR(compute_expectation_scaling_none());
RET_ON_ERR(compute_outside_scaling_none());
}
}
return BP_TRUE;
}
int pc_import_occ_switches_3(void)
{
CACHE_REGS
TERM p_sw_list,p_sw_list0,p_sw_list1;
TERM p_sw_ins_list0,p_sw_ins_list1,sw,sw_ins;
TERM p_num_sw, p_num_sw_ins;
int i;
int num_sw_ins;
void release_occ_switches();
#ifdef __YAP_PROLOG__
TERM *hstart;
restart:
hstart = heap_top;
#endif
p_sw_list = bpx_get_call_arg(1,3);
p_num_sw = bpx_get_call_arg(2,3);
p_num_sw_ins = bpx_get_call_arg(3,3);
p_sw_list0 = bpx_build_nil();
num_sw_ins = 0;
for (i = 0; i < occ_switch_tab_size; i++) {
SW_INS_PTR ptr;
#ifdef __YAP_PROLOG__
if ( heap_top + 64*1024 >= local_top ) {
H = hstart;
/* running out of stack */
extern int Yap_gcl(UInt gc_lim, Int predarity, CELL *current_env, yamop *nextop);
Yap_gcl(4*64*1024, 3, ENV, CP);
goto restart;
}
#endif
sw = bpx_build_structure("sw",2);
bpx_unify(bpx_get_arg(1,sw), bpx_build_integer(i));
p_sw_ins_list0 = bpx_build_nil();
ptr = occ_switches[i];
while (ptr != NULL) {
num_sw_ins++;
if (ptr->inside <= 0.0) ptr->inside = 0.0; /* FIXME: quick hack */
sw_ins = bpx_build_structure("sw_ins",4);
bpx_unify(bpx_get_arg(1,sw_ins),bpx_build_integer(ptr->id));
bpx_unify(bpx_get_arg(2,sw_ins),bpx_build_float(ptr->inside));
bpx_unify(bpx_get_arg(3,sw_ins),bpx_build_float(ptr->smooth));
bpx_unify(bpx_get_arg(4,sw_ins),bpx_build_float(ptr->total_expect));
p_sw_ins_list1 = bpx_build_list();
bpx_unify(bpx_get_car(p_sw_ins_list1),sw_ins);
bpx_unify(bpx_get_cdr(p_sw_ins_list1),p_sw_ins_list0);
p_sw_ins_list0 = p_sw_ins_list1;
ptr = ptr->next;
}
bpx_unify(bpx_get_arg(2,sw),p_sw_ins_list0);
p_sw_list1 = bpx_build_list();
bpx_unify(bpx_get_car(p_sw_list1),sw);
bpx_unify(bpx_get_cdr(p_sw_list1),p_sw_list0);
p_sw_list0 = p_sw_list1;
}
release_occ_switches();
return
bpx_unify(p_sw_list, p_sw_list0) &&
bpx_unify(p_num_sw, bpx_build_integer(occ_switch_tab_size)) &&
bpx_unify(p_num_sw_ins, bpx_build_integer(num_sw_ins));
}
int pc_get_snode_expectation_2(void)
{
int idx = bpx_get_integer(bpx_get_call_arg(1,2));
return bpx_unify(bpx_get_call_arg(2,2),
bpx_build_float(switch_instances[idx]->total_expect));
}
int pc_get_gnode_viterbi_2(void)
{
int idx = bpx_get_integer(bpx_get_call_arg(1,2));
return bpx_unify(bpx_get_call_arg(2,2),
bpx_build_float(expl_graph[idx]->max));
}
int pc_import_sorted_graph_paths_2(void)
{
TERM paths0,paths1,glist,slist,t0,t1,p_tmp;
EG_PATH_PTR path_ptr;
EG_NODE_PTR *children;
SW_INS_PTR *sws;
int node_id,k,len;
node_id = bpx_get_integer(bpx_get_call_arg(1,2));
path_ptr = sorted_expl_graph[node_id]->path_ptr;
if (path_ptr == NULL) {
if (explicit_empty_expls) {
t0 = bpx_build_list();
t1 = bpx_build_list();
bpx_unify(bpx_get_car(t0),bpx_build_nil());
bpx_unify(bpx_get_cdr(t0),t1);
bpx_unify(bpx_get_car(t1),bpx_build_nil());
bpx_unify(bpx_get_cdr(t1),bpx_build_nil());
paths0 = bpx_build_list();
bpx_unify(bpx_get_car(paths0),t0);
bpx_unify(bpx_get_cdr(paths0),bpx_build_nil());
}
else paths0 = bpx_build_nil();
}
else {
paths0 = bpx_build_nil();
while (path_ptr != NULL) {
len = path_ptr->children_len;
children = path_ptr->children;
if (len > 0) {
glist = bpx_build_list();
p_tmp = glist;
for (k = 0; k < len; k++) {
bpx_unify(bpx_get_car(p_tmp),
bpx_build_integer(children[k]->id));
if (k == len - 1) {
bpx_unify(bpx_get_cdr(p_tmp),bpx_build_nil());
}
else {
bpx_unify(bpx_get_cdr(p_tmp),bpx_build_list());
p_tmp = bpx_get_cdr(p_tmp);
}
}
}
else glist = bpx_build_nil();
len = path_ptr->sws_len;
sws = path_ptr->sws;
if (len > 0) {
slist = bpx_build_list();
p_tmp = slist;
for (k = 0; k < len; k++) {
bpx_unify(bpx_get_car(p_tmp),bpx_build_integer(sws[k]->id));
if (k == len - 1) {
bpx_unify(bpx_get_cdr(p_tmp),bpx_build_nil());
}
else {
bpx_unify(bpx_get_cdr(p_tmp),bpx_build_list());
p_tmp = bpx_get_cdr(p_tmp);
}
}
}
else slist = bpx_build_nil();
if (explicit_empty_expls ||
!bpx_is_nil(glist) || !bpx_is_nil(slist)) {
t0 = bpx_build_list();
t1 = bpx_build_list();
bpx_unify(bpx_get_car(t0),glist);
bpx_unify(bpx_get_cdr(t0),t1);
bpx_unify(bpx_get_car(t1),slist);
bpx_unify(bpx_get_cdr(t1),bpx_build_nil());
paths1 = bpx_build_list();
bpx_unify(bpx_get_car(paths1),t0);
bpx_unify(bpx_get_cdr(paths1),paths0);
paths0 = paths1;
}
path_ptr = path_ptr->next;
}
}
return bpx_unify(bpx_get_call_arg(2,2),paths0);
}
int pc_import_sorted_graph_gid_2(void)
{
int idx = bpx_get_integer(bpx_get_call_arg(1,2));
return bpx_unify(bpx_get_call_arg(2,2),
bpx_build_integer(sorted_expl_graph[idx]->id));
}
int pc_import_sorted_graph_size_1(void)
{
return bpx_unify(bpx_get_call_arg(1,1),
bpx_build_integer(sorted_egraph_size));
}
int pc_set_log_scale_1(void)
{
log_scale = bpx_get_integer(bpx_get_call_arg(1,1));
return BP_TRUE;
}
int pc_set_explicit_empty_expls_1(void)
{
explicit_empty_expls = bpx_get_integer(bpx_get_call_arg(1,1));
return BP_TRUE;
}
int pc_set_fix_init_order_1(void)
{
fix_init_order = bpx_get_integer(bpx_get_call_arg(1,1));
return BP_TRUE;
}
int pc_set_init_method_1(void)
{
init_method = bpx_get_integer(bpx_get_call_arg(1,1));
return BP_TRUE;
}
int pc_set_itemp_rate_1(void)
{
itemp_rate = bpx_get_float(bpx_get_call_arg(1,1));
return BP_TRUE;
}