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yap-6.3/library/tries/itries.c

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/*********************************
File: itries.c
Author: Ricardo Rocha
Comments: Tries module for ILP
version: $ID$
*********************************/
/* -------------------------- */
/* Includes */
/* -------------------------- */
#include <YapInterface.h>
#include <string.h>
#include <stdio.h>
#include "core_tries.h"
#include "base_itries.h"
/* -------------------------- */
/* Procedures */
/* -------------------------- */
void init_itries(void);
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static YAP_Bool p_itrie_open(void);
static YAP_Bool p_itrie_close(void);
static YAP_Bool p_itrie_close_all(void);
static YAP_Bool p_itrie_mode(void);
static YAP_Bool p_itrie_timestamp(void);
static YAP_Bool p_itrie_put_entry(void);
static YAP_Bool p_itrie_update_entry(void);
static YAP_Bool p_itrie_check_entry(void);
static YAP_Bool p_itrie_get_entry(void);
static YAP_Bool p_itrie_get_data(void);
static YAP_Bool p_itrie_traverse_init(void);
static YAP_Bool p_itrie_traverse_cont(void);
static YAP_Bool p_itrie_remove_entry(void);
static YAP_Bool p_itrie_remove_subtree(void);
static YAP_Bool p_itrie_add(void);
static YAP_Bool p_itrie_subtract(void);
static YAP_Bool p_itrie_join(void);
static YAP_Bool p_itrie_intersect(void);
static YAP_Bool p_itrie_count_join(void);
static YAP_Bool p_itrie_count_intersect(void);
static YAP_Bool p_itrie_save(void);
static YAP_Bool p_itrie_save_as_trie(void);
static YAP_Bool p_itrie_load(void);
static YAP_Bool p_itrie_save2stream(void);
static YAP_Bool p_itrie_loadFromStream(void);
static YAP_Bool p_itrie_stats(void);
static YAP_Bool p_itrie_max_stats(void);
static YAP_Bool p_itrie_usage(void);
static YAP_Bool p_itrie_print(void);
/* -------------------------- */
/* Module Init Procedure */
/* -------------------------- */
void init_itries(void) {
itrie_init_module();
YAP_UserCPredicate("itrie_open", p_itrie_open, 1);
YAP_UserCPredicate("itrie_close", p_itrie_close, 1);
YAP_UserCPredicate("itrie_close_all", p_itrie_close_all, 0);
YAP_UserCPredicate("itrie_mode", p_itrie_mode, 2);
YAP_UserCPredicate("itrie_timestamp", p_itrie_timestamp, 2);
YAP_UserCPredicate("itrie_put_entry", p_itrie_put_entry, 2);
YAP_UserCPredicate("itrie_update_entry", p_itrie_update_entry, 2);
YAP_UserCPredicate("itrie_check_entry", p_itrie_check_entry, 3);
YAP_UserCPredicate("itrie_get_entry", p_itrie_get_entry, 2);
YAP_UserCPredicate("itrie_get_data", p_itrie_get_data, 2);
YAP_UserBackCPredicate("itrie_traverse", p_itrie_traverse_init, p_itrie_traverse_cont, 2, 0);
YAP_UserCPredicate("itrie_remove_entry", p_itrie_remove_entry, 1);
YAP_UserCPredicate("itrie_remove_subtree", p_itrie_remove_subtree, 1);
YAP_UserCPredicate("itrie_add", p_itrie_add, 2);
YAP_UserCPredicate("itrie_subtract", p_itrie_subtract, 2);
YAP_UserCPredicate("itrie_join", p_itrie_join, 2);
YAP_UserCPredicate("itrie_intersect", p_itrie_intersect, 2);
YAP_UserCPredicate("itrie_count_join", p_itrie_count_join, 3);
YAP_UserCPredicate("itrie_count_intersect", p_itrie_count_intersect, 3);
YAP_UserCPredicate("itrie_save", p_itrie_save, 2);
YAP_UserCPredicate("itrie_save_as_trie", p_itrie_save_as_trie, 2);
YAP_UserCPredicate("itrie_load", p_itrie_load, 2);
YAP_UserCPredicate("itrie_save2stream", p_itrie_save2stream, 2);
YAP_UserCPredicate("itrie_loadFromstream", p_itrie_loadFromStream, 2);
YAP_UserCPredicate("itrie_stats", p_itrie_stats, 4);
YAP_UserCPredicate("itrie_max_stats", p_itrie_max_stats, 4);
YAP_UserCPredicate("itrie_usage", p_itrie_usage, 4);
YAP_UserCPredicate("itrie_print", p_itrie_print, 1);
return;
}
/* -------------------------- */
/* Local Procedures */
/* -------------------------- */
/* itrie_open(-Itrie) */
#define arg_itrie YAP_ARG1
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static YAP_Bool p_itrie_open(void) {
TrEntry itrie;
/* check arg */
if (!YAP_IsVarTerm(arg_itrie))
return FALSE;
/* open itrie */
itrie = itrie_open();
return YAP_Unify(arg_itrie, YAP_MkIntTerm((YAP_Int) itrie));
}
#undef arg_itrie
/* itrie_close(+Itrie) */
#define arg_itrie YAP_ARG1
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static YAP_Bool p_itrie_close(void) {
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* close itrie */
itrie_close((TrEntry) YAP_IntOfTerm(arg_itrie));
return TRUE;
}
#undef arg_itrie
/* itrie_close_all() */
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static YAP_Bool p_itrie_close_all(void) {
itrie_close_all();
return TRUE;
}
/* itrie_mode(+Itrie,?Mode) */
#define arg_itrie YAP_ARG1
#define arg_mode YAP_ARG2
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static YAP_Bool p_itrie_mode(void) {
YAP_Term mode_term;
const char *mode_str;
YAP_Int mode;
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* get mode */
if (YAP_IsVarTerm(arg_mode)) {
mode = itrie_get_mode((TrEntry) YAP_IntOfTerm(arg_itrie));
if (mode == ITRIES_MODE_INC_POS)
mode_term = YAP_MkAtomTerm(YAP_LookupAtom("inc_pos"));
else if (mode == ITRIES_MODE_DEC_POS)
mode_term = YAP_MkAtomTerm(YAP_LookupAtom("dec_pos"));
else if (mode == ITRIES_MODE_INC_NEG)
mode_term = YAP_MkAtomTerm(YAP_LookupAtom("inc_neg"));
else if (mode == ITRIES_MODE_DEC_NEG)
mode_term = YAP_MkAtomTerm(YAP_LookupAtom("dec_neg"));
else if (mode == ITRIES_MODE_NONE)
mode_term = YAP_MkAtomTerm(YAP_LookupAtom("none"));
else
return FALSE;
return YAP_Unify(arg_mode, mode_term);
}
/* set mode */
mode_str = YAP_AtomName(YAP_AtomOfTerm(arg_mode));
if (!strcmp(mode_str, "inc_pos"))
mode = ITRIES_MODE_INC_POS;
else if (!strcmp(mode_str, "dec_pos"))
mode = ITRIES_MODE_DEC_POS;
else if (!strcmp(mode_str, "inc_neg"))
mode = ITRIES_MODE_INC_NEG;
else if (!strcmp(mode_str, "dec_neg"))
mode = ITRIES_MODE_DEC_NEG;
else if (!strcmp(mode_str, "none"))
mode = ITRIES_MODE_NONE;
else
return FALSE;
itrie_set_mode((TrEntry) YAP_IntOfTerm(arg_itrie), mode);
return TRUE;
}
#undef arg_itrie
#undef arg_mode
/* itrie_timestamp(+Itrie,?Time) */
#define arg_itrie YAP_ARG1
#define arg_time YAP_ARG2
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static YAP_Bool p_itrie_timestamp(void) {
YAP_Int time;
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* get mode */
if (YAP_IsVarTerm(arg_time)) {
time = itrie_get_timestamp((TrEntry) YAP_IntOfTerm(arg_itrie));
return YAP_Unify(arg_time, YAP_MkIntTerm(time));
}
/* set mode */
if (YAP_IsIntTerm(arg_time)) {
time = YAP_IntOfTerm(arg_time);
itrie_set_timestamp((TrEntry) YAP_IntOfTerm(arg_itrie), time);
return TRUE;
}
return FALSE;
}
#undef arg_itrie
#undef arg_time
/* itrie_put_entry(+Itrie,+Entry) */
#define arg_itrie YAP_ARG1
#define arg_entry YAP_ARG2
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static YAP_Bool p_itrie_put_entry(void) {
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* put entry */
itrie_put_entry((TrEntry) YAP_IntOfTerm(arg_itrie), arg_entry);
return TRUE;
}
#undef arg_itrie
#undef arg_entry
/* itrie_update_entry(+Itrie,+Entry) */
#define arg_itrie YAP_ARG1
#define arg_entry YAP_ARG2
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static YAP_Bool p_itrie_update_entry(void) {
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* update entry */
itrie_update_entry((TrEntry) YAP_IntOfTerm(arg_itrie), arg_entry);
return TRUE;
}
#undef arg_itrie
#undef arg_entry
/* itrie_check_entry(+Itrie,+Entry,-Ref) */
#define arg_itrie YAP_ARG1
#define arg_entry YAP_ARG2
#define arg_ref YAP_ARG3
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static YAP_Bool p_itrie_check_entry(void) {
TrData data;
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* check entry */
if (!(data = itrie_check_entry((TrEntry) YAP_IntOfTerm(arg_itrie), arg_entry)))
return FALSE;
return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
}
#undef arg_itrie
#undef arg_entry
#undef arg_ref
/* itrie_get_entry(+Ref,-Entry) */
#define arg_ref YAP_ARG1
#define arg_entry YAP_ARG2
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static YAP_Bool p_itrie_get_entry(void) {
YAP_Term entry;
/* check arg */
if (!YAP_IsIntTerm(arg_ref))
return FALSE;
/* get entry */
entry = itrie_get_entry((TrData) YAP_IntOfTerm(arg_ref));
return YAP_Unify(arg_entry, entry);
}
#undef arg_ref
#undef arg_entry
/* itrie_get_data(+Ref,-Data) */
#define arg_ref YAP_ARG1
#define arg_data YAP_ARG2
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static YAP_Bool p_itrie_get_data(void) {
YAP_Term list;
YAP_Term item;
YAP_Functor f;
YAP_Int pos, neg, time;
/* check arg */
if (!YAP_IsIntTerm(arg_ref))
return FALSE;
/* get data */
itrie_get_data((TrData) YAP_IntOfTerm(arg_ref), &pos, &neg, &time);
list = YAP_MkAtomTerm(YAP_LookupAtom("[]"));
f = YAP_MkFunctor(YAP_LookupAtom("timestamp"), 1);
item = YAP_MkIntTerm(time);
item = YAP_MkApplTerm(f, 1, &item);
list = YAP_MkPairTerm(item, list);
f = YAP_MkFunctor(YAP_LookupAtom("neg"), 1);
item = YAP_MkIntTerm(neg);
item = YAP_MkApplTerm(f, 1, &item);
list = YAP_MkPairTerm(item, list);
f = YAP_MkFunctor(YAP_LookupAtom("pos"), 1);
item = YAP_MkIntTerm(pos);
item = YAP_MkApplTerm(f, 1, &item);
list = YAP_MkPairTerm(item, list);
return YAP_Unify(arg_data, list);
}
#undef arg_ref
#undef arg_data
/* itrie_traverse(+Itrie,-Ref) */
#define arg_itrie YAP_ARG1
#define arg_ref YAP_ARG2
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static YAP_Bool p_itrie_traverse_init(void) {
TrData data;
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* traverse itrie */
if (!(data = itrie_traverse_init((TrEntry) YAP_IntOfTerm(arg_itrie)))) {
YAP_cut_fail();
return FALSE;
}
return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
}
#undef arg_itrie
#undef arg_ref
/* itrie_traverse(+Itrie,-Ref) */
#define arg_itrie YAP_ARG1
#define arg_ref YAP_ARG2
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static YAP_Bool p_itrie_traverse_cont(void) {
TrData data;
/* traverse itrie */
if (!(data = itrie_traverse_cont((TrEntry) YAP_IntOfTerm(arg_itrie)))) {
YAP_cut_fail();
return FALSE;
}
return YAP_Unify(arg_ref, YAP_MkIntTerm((YAP_Int) data));
}
#undef arg_itrie
#undef arg_ref
/* itrie_remove_entry(+Ref) */
#define arg_ref YAP_ARG1
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static YAP_Bool p_itrie_remove_entry(void) {
/* check arg */
if (!YAP_IsIntTerm(arg_ref))
return FALSE;
/* remove entry */
itrie_remove_entry((TrData) YAP_IntOfTerm(arg_ref));
return TRUE;
}
#undef arg_ref
/* itrie_remove_subtree(+Ref) */
#define arg_ref YAP_ARG1
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static YAP_Bool p_itrie_remove_subtree(void) {
/* check arg */
if (!YAP_IsIntTerm(arg_ref))
return FALSE;
/* remove subtree */
itrie_remove_subtree((TrData) YAP_IntOfTerm(arg_ref));
return TRUE;
}
#undef arg_ref
/* itrie_add(+ItrieDest,+ItrieSource) */
#define arg_itrie_dest YAP_ARG1
#define arg_itrie_source YAP_ARG2
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static YAP_Bool p_itrie_add(void) {
/* check args */
if (!YAP_IsIntTerm(arg_itrie_dest))
return FALSE;
if (!YAP_IsIntTerm(arg_itrie_source))
return FALSE;
/* add itrie */
itrie_add((TrEntry) YAP_IntOfTerm(arg_itrie_dest), (TrEntry) YAP_IntOfTerm(arg_itrie_source));
return TRUE;
}
#undef arg_itrie_dest
#undef arg_itrie_source
/* itrie_subtract(+ItrieDest,+ItrieSource) */
#define arg_itrie_dest YAP_ARG1
#define arg_itrie_source YAP_ARG2
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static YAP_Bool p_itrie_subtract(void) {
/* check args */
if (!YAP_IsIntTerm(arg_itrie_dest))
return FALSE;
if (!YAP_IsIntTerm(arg_itrie_source))
return FALSE;
/* subtract itrie */
itrie_subtract((TrEntry) YAP_IntOfTerm(arg_itrie_dest), (TrEntry) YAP_IntOfTerm(arg_itrie_source));
return TRUE;
}
#undef arg_itrie_dest
#undef arg_itrie_source
/* itrie_join(+ItrieDest,+ItrieSource) */
#define arg_itrie_dest YAP_ARG1
#define arg_itrie_source YAP_ARG2
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static YAP_Bool p_itrie_join(void) {
/* check args */
if (!YAP_IsIntTerm(arg_itrie_dest))
return FALSE;
if (!YAP_IsIntTerm(arg_itrie_source))
return FALSE;
/* join itrie */
itrie_join((TrEntry) YAP_IntOfTerm(arg_itrie_dest), (TrEntry) YAP_IntOfTerm(arg_itrie_source));
return TRUE;
}
#undef arg_itrie_dest
#undef arg_itrie_source
/* itrie_intersect(+ItrieDest,+ItrieSource) */
#define arg_itrie_dest YAP_ARG1
#define arg_itrie_source YAP_ARG2
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static YAP_Bool p_itrie_intersect(void) {
/* check args */
if (!YAP_IsIntTerm(arg_itrie_dest))
return FALSE;
if (!YAP_IsIntTerm(arg_itrie_source))
return FALSE;
/* intersect itrie */
itrie_intersect((TrEntry) YAP_IntOfTerm(arg_itrie_dest), (TrEntry) YAP_IntOfTerm(arg_itrie_source));
return TRUE;
}
#undef arg_itrie_dest
#undef arg_itrie_source
/* itrie_count_join(+Itrie1,+Itrie2,-Entries) */
#define arg_itrie1 YAP_ARG1
#define arg_itrie2 YAP_ARG2
#define arg_entries YAP_ARG3
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static YAP_Bool p_itrie_count_join(void) {
YAP_Int entries;
/* check args */
if (!YAP_IsIntTerm(arg_itrie1))
return FALSE;
if (!YAP_IsIntTerm(arg_itrie2))
return FALSE;
/* count join itrie */
entries = itrie_count_join((TrEntry) YAP_IntOfTerm(arg_itrie1), (TrEntry) YAP_IntOfTerm(arg_itrie2));
return YAP_Unify(arg_entries, YAP_MkIntTerm(entries));
}
#undef arg_itrie1
#undef arg_itrie2
#undef arg_entries
/* itrie_count_intersect(+Itrie1,+Itrie2,-Entries) */
#define arg_itrie1 YAP_ARG1
#define arg_itrie2 YAP_ARG2
#define arg_entries YAP_ARG3
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static YAP_Bool p_itrie_count_intersect(void) {
YAP_Int entries;
/* check args */
if (!YAP_IsIntTerm(arg_itrie1))
return FALSE;
if (!YAP_IsIntTerm(arg_itrie2))
return FALSE;
/* count intersect itrie */
entries = itrie_count_intersect((TrEntry) YAP_IntOfTerm(arg_itrie1), (TrEntry) YAP_IntOfTerm(arg_itrie2));
return YAP_Unify(arg_entries, YAP_MkIntTerm(entries));
}
#undef arg_itrie1
#undef arg_itrie2
#undef arg_entries
/* itrie_save(+Itrie,+FileName) */
#define arg_itrie YAP_ARG1
#define arg_file YAP_ARG2
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static YAP_Bool p_itrie_save(void) {
const char *file_str;
FILE *file;
/* check args */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
if (!YAP_IsAtomTerm(arg_file))
return FALSE;
/* open file */
file_str = YAP_AtomName(YAP_AtomOfTerm(arg_file));
if (!(file = fopen(file_str, "w")))
return FALSE;
/* save itrie and close file */
itrie_save((TrEntry) YAP_IntOfTerm(arg_itrie), file);
if (fclose(file))
return FALSE;
return TRUE;
}
#undef arg_itrie
#undef arg_file
/* itrie_save_as_trie(+Itrie,+FileName) */
#define arg_itrie YAP_ARG1
#define arg_file YAP_ARG2
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static YAP_Bool p_itrie_save_as_trie(void) {
const char *file_str;
FILE *file;
/* check args */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
if (!YAP_IsAtomTerm(arg_file))
return FALSE;
/* open file */
file_str = YAP_AtomName(YAP_AtomOfTerm(arg_file));
if (!(file = fopen(file_str, "w")))
return FALSE;
/* save itrie as trie and close file */
itrie_save_as_trie((TrEntry) YAP_IntOfTerm(arg_itrie), file);
if (fclose(file))
return FALSE;
return TRUE;
}
#undef arg_itrie
#undef arg_file
/* itrie_load(-Itrie,+FileName) */
#define arg_itrie YAP_ARG1
#define arg_file YAP_ARG2
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static YAP_Bool p_itrie_load(void) {
TrEntry itrie;
const char *file_str;
FILE *file;
/* check args */
if (!YAP_IsVarTerm(arg_itrie))
return FALSE;
if (!YAP_IsAtomTerm(arg_file))
return FALSE;
/* open file */
file_str = YAP_AtomName(YAP_AtomOfTerm(arg_file));
if (!(file = fopen(file_str, "r")))
return FALSE;
/* load itrie and close file */
if (!(itrie = itrie_load(file)))
return FALSE;
if (fclose(file))
return FALSE;
return YAP_Unify(arg_itrie, YAP_MkIntTerm((YAP_Int) itrie));
}
#undef arg_itrie
#undef arg_file
/* itrie_save2stream(+Itrie,+Stream) */
#define arg_itrie YAP_ARG1
#define arg_stream YAP_ARG2
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static YAP_Bool p_itrie_save2stream(void) {
FILE *file;
/* check args */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
if ((file = (FILE*) YAP_FileDescriptorFromStream(arg_stream)) == NULL)
return FALSE;
/* save itrie */
itrie_save((TrEntry) YAP_IntOfTerm(arg_itrie), file);
return TRUE;
}
#undef arg_itrie
#undef arg_stream
/* itrie_loadFromStream(-Itrie,+Stream) */
#define arg_itrie YAP_ARG1
#define arg_stream YAP_ARG2
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static YAP_Bool p_itrie_loadFromStream(void) {
TrEntry itrie;
FILE *file;
/* check args */
if (!YAP_IsVarTerm(arg_itrie))
return FALSE;
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if (!(file = (FILE*) YAP_FileDescriptorFromStream(arg_stream)))
return FALSE;
/* load itrie */
if (!(itrie = itrie_load(file)))
return FALSE;
return YAP_Unify(arg_itrie, YAP_MkIntTerm((YAP_Int) itrie));
}
#undef arg_itrie
#undef arg_stream
/* itrie_stats(-Memory,-Tries,-Entries,-Nodes) */
#define arg_memory YAP_ARG1
#define arg_tries YAP_ARG2
#define arg_entries YAP_ARG3
#define arg_nodes YAP_ARG4
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static YAP_Bool p_itrie_stats(void) {
YAP_Int memory, tries, entries, nodes;
/* get stats */
itrie_stats(&memory, &tries, &entries, &nodes);
if (!YAP_Unify(arg_memory, YAP_MkIntTerm(memory)))
return FALSE;
if (!YAP_Unify(arg_tries, YAP_MkIntTerm(tries)))
return FALSE;
if (!YAP_Unify(arg_entries, YAP_MkIntTerm(entries)))
return FALSE;
if (!YAP_Unify(arg_nodes, YAP_MkIntTerm(nodes)))
return FALSE;
return TRUE;
}
#undef arg_memory
#undef arg_tries
#undef arg_entries
#undef arg_nodes
/* itrie_max_stats(-Memory,-Tries,-Entries,-Nodes) */
#define arg_memory YAP_ARG1
#define arg_tries YAP_ARG2
#define arg_entries YAP_ARG3
#define arg_nodes YAP_ARG4
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static YAP_Bool p_itrie_max_stats(void) {
YAP_Int memory, tries, entries, nodes;
/* get stats */
itrie_max_stats(&memory, &tries, &entries, &nodes);
if (!YAP_Unify(arg_memory, YAP_MkIntTerm(memory)))
return FALSE;
if (!YAP_Unify(arg_tries, YAP_MkIntTerm(tries)))
return FALSE;
if (!YAP_Unify(arg_entries, YAP_MkIntTerm(entries)))
return FALSE;
if (!YAP_Unify(arg_nodes, YAP_MkIntTerm(nodes)))
return FALSE;
return TRUE;
}
#undef arg_memory
#undef arg_tries
#undef arg_entries
#undef arg_nodes
/* itrie_usage(+Itrie,-Entries,-Nodes,-VirtualNodes) */
#define arg_itrie YAP_ARG1
#define arg_entries YAP_ARG2
#define arg_nodes YAP_ARG3
#define arg_virtualnodes YAP_ARG4
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static YAP_Bool p_itrie_usage(void) {
YAP_Int entries, nodes, virtualnodes;
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* get itrie usage */
itrie_usage((TrEntry) YAP_IntOfTerm(arg_itrie), &entries, &nodes, &virtualnodes);
if (!YAP_Unify(arg_entries, YAP_MkIntTerm(entries)))
return FALSE;
if (!YAP_Unify(arg_nodes, YAP_MkIntTerm(nodes)))
return FALSE;
if (!YAP_Unify(arg_virtualnodes, YAP_MkIntTerm(virtualnodes)))
return FALSE;
return TRUE;
}
#undef arg_itrie
#undef arg_entries
#undef arg_nodes
#undef arg_virtualnodes
/* itrie_print(+Itrie) */
#define arg_itrie YAP_ARG1
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static YAP_Bool p_itrie_print(void) {
/* check arg */
if (!YAP_IsIntTerm(arg_itrie))
return FALSE;
/* print itrie */
itrie_print((TrEntry) YAP_IntOfTerm(arg_itrie));
return TRUE;
}
#undef arg_itrie