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instantiateI.c
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/*********************************************************************
* (C) Copyright 1999 Albert Ludwigs University Freiburg
* Institute of Computer Science
*
* All rights reserved. Use of this software is permitted for
* non-commercial research purposes, and it may be copied only
* for that use. All copies must include this copyright message.
* This software is made available AS IS, and neither the authors
* nor the Albert Ludwigs University Freiburg make any warranty
* about the software or its performance.
*********************************************************************/
/*********************************************************************
* File: instantiateI.c
* Description: functions for instantiating operators, first part.
* - transform domain into integers
* - domain cleanup functions
* - inertia preprocessing:
* - collect inertia info
* - split initial state in special arrays
* - encode unary inertia as types
*
* Author: Joerg Hoffmann 1999
*
*********************************************************************/
#include <string.h>
#include "bb.h"
#include "output.h"
#include "memory.h"
#include "instantiateI.h"
/*******************************************************
* TRANSFORM DOMAIN INTO INTEGER (FACT) REPRESENTATION *
*******************************************************/
void encode_domain_in_integers( void )
{
int i,j;
collect_all_strings();
if ( gcmd_line.display_info == 102 ) {
printf("\nconstant table:");
for ( i = 0; i < gnum_constants; i++ ) {
printf("\n%d --> %s", i, gconstants[i]);
}
printf("\n\ntypes table:");
for ( i = 0; i < gnum_types; i++ ) {
printf("\n%d --> %s: ", i, gtype_names[i]);
for ( j = 0; j < gtype_size[i]; j++ ) {
printf("%d ", gtype_consts[i][j]);
}
}
printf("\n\npredicates table:");
for ( i = 0; i < gnum_predicates; i++ ) {
printf("\n%3d --> %s: ", i, gpredicates[i]);
for ( j = 0; j < garity[i]; j++ ) {
printf("%s ", gtype_names[gpredicates_args_type[i][j]]);
}
}
printf("\n\n");
}
create_integer_representation();
cleanup_domain();
if ( gcmd_line.display_info == 103 ) {
printf("\n\ncoded initial state is:");
for ( i = 0; i < gnum_full_initial; i++ ) {
printf("\n");
print_Fact( &(gfull_initial[i]) );
}
printf("\n\ncoded goal state is:");
for ( i = 0; i < gnum_goal; i++ ) {
printf("\n");
print_Fact( &(ggoal[i]) );
}
printf("\n\ncoded operators are:");
for ( i = 0; i < gnum_operators; i++ ) {
print_Operator( goperators[i] );
}
printf("\n\n");
}
}
void collect_all_strings( void )
{
FactList *f;
TokenList *t;
int p_num, type_num, c_num, ar;
int i;
for ( f = gorig_constant_list; f; f = f->next ) {
if ( (type_num = position_in_types_table( f->item->next->item )) == -1 ) {
if ( gnum_types == MAX_TYPES ) {
printf("\ntoo many types! increase MAX_TYPES (currently %d)\n\n",
MAX_TYPES);
exit( 1 );
}
gtype_names[gnum_types] = new_Token( strlen( f->item->next->item ) + 1 );
strcpy( gtype_names[gnum_types], f->item->next->item );
gtype_size[gnum_types] = 0;
for ( i = 0; i < MAX_CONSTANTS; i++ ) {
gis_member[i][gnum_types] = FALSE;
}
type_num = gnum_types++;
}
if ( (c_num = position_in_constants_table( f->item->item )) == -1 ) {
if ( gnum_constants == MAX_CONSTANTS ) {
printf("\ntoo many constants! increase MAX_CONSTANTS (currently %d)\n\n",
MAX_CONSTANTS);
exit( 1 );
}
gconstants[gnum_constants] = new_Token( strlen( f->item->item ) + 1 );
strcpy( gconstants[gnum_constants], f->item->item );
c_num = gnum_constants++;
}
if ( !gis_member[c_num][type_num] ) {
if ( gtype_size[type_num] == MAX_TYPE ) {
printf("\ntoo many consts in type %s! increase MAX_TYPE (currently %d)\n\n",
gtype_names[type_num], MAX_TYPE);
exit( 1 );
}
gtype_consts[type_num][gtype_size[type_num]++] = c_num;
gis_member[c_num][type_num] = TRUE;
}
}
for ( f = gpredicates_and_types; f; f = f->next ) {
if ( (p_num = position_in_predicates_table( f->item->item )) != -1 ) {
printf("\npredicate %s declared twice!\n\n", f->item->item);
exit( 1 );
}
if ( gnum_predicates == MAX_PREDICATES ) {
printf("\ntoo many predicates! increase MAX_PREDICATES (currently %d)\n\n",
MAX_PREDICATES);
exit( 1 );
}
gpredicates[gnum_predicates] = new_Token( strlen( f->item->item ) + 1 );
strcpy( gpredicates[gnum_predicates], f->item->item );
ar = 0;
for ( t = f->item->next; t; t = t->next ) {
if ( (type_num = position_in_types_table( t->item )) == -1 ) {
printf("\nwarning: predicate %s uses unknown or empty type %s\n\n",
f->item->item, t->item);
}
if ( ar == MAX_ARITY ) {
printf("\narity of %s to high! increase MAX_ARITY (currently %d)\n\n",
gpredicates[gnum_predicates], MAX_ARITY);
exit( 1 );
}
gpredicates_args_type[gnum_predicates][ar++] = type_num;
}
garity[gnum_predicates++] = ar;
}
free_FactList( gorig_constant_list );
free_FactList( gpredicates_and_types );
free_FactList( gtypes );
}
int position_in_types_table( char *str )
{
int i;
for ( i=0; i<gnum_types; i++ ) {
if ( str == gtype_names[i] ||
(strcmp( str, gtype_names[i] ) == SAME) ) {
break;
}
}
return ( i == gnum_types ) ? -1 : i;
}
int position_in_constants_table( char *str )
{
int i;
for ( i=0; i<gnum_constants; i++ ) {
if ( str == gconstants[i] ||
strcmp( str, gconstants[i] ) == SAME ) {
break;
}
}
return ( i == gnum_constants ) ? -1 : i;
}
int position_in_predicates_table( char *str )
{
int i;
for ( i=0; i<gnum_predicates; i++ ) {
if ( str == gpredicates[i] ||
strcmp( str, gpredicates[i] ) == SAME ) {
break;
}
}
return ( i == gnum_predicates ) ? -1 : i;
}
void create_integer_representation( void )
{
PlNode *n;
PlOperator *o;
Operator *tmp;
FactList *ff;
int type_num, i;
if ( gorig_initial_facts ) {
for ( n = gorig_initial_facts->sons; n; n = n->next ) {
if ( gnum_full_initial == MAX_INITIAL ) {
printf("\ntoo many initial facts! increase MAX_INITIAL (currently %d)\n\n",
MAX_INITIAL);
exit( 1 );
}
make_Fact( &(gfull_initial[gnum_full_initial]), n, NULL );
if ( gfull_initial[gnum_full_initial].predicate == -1 ) {
printf("\nequality in initial state! check input files.\n\n");
exit( 1 );
}
gnum_full_initial++;
}
free_PlNode( gorig_initial_facts );
}
if ( gorig_goal_facts ) {
for ( n = gorig_goal_facts->sons; n; n = n->next ) {
if ( gnum_goal == MAX_STATE ) {
printf("\ntoo many goal facts! increase MAX_STATE (currently %d)\n\n",
MAX_STATE);
exit( 1 );
}
make_Fact( &(ggoal[gnum_goal]), n, NULL );
if ( ggoal[gnum_goal].predicate == -1 ) {
printf("\nequality in goal state! check input files.\n\n");
exit( 1 );
}
gnum_goal++;
}
free_PlNode( gorig_goal_facts );
}
for ( i = 0; i < MAX_TYPES; i++ ) {
gpredicate_to_type[i] = -1;
gnum_intersected_types[i] = -1;
}
for ( o = gloaded_ops; o; o = o->next ) {
tmp = new_Operator( o->name, o->number_of_real_params );
for ( ff = o->params; ff; ff = ff->next ) {
if ( (type_num = position_in_types_table( ff->item->next->item )) == -1 ) {
printf("\nwarning: parameter %s of op %s has unknown or empty type. skipping op",
ff->item->item, ff->item->next->item);
break;
}
if ( tmp->num_vars == MAX_VARS ) {
printf("\ntoo many parameters! increase MAX_VARS (currently %d)\n\n",
MAX_VARS);
exit( 1 );
}
tmp->var_names[tmp->num_vars] = ff->item->item;
tmp->var_types[tmp->num_vars++] = type_num;
}
if ( ff ) {
free_Operator( tmp );
continue;
}
if ( o->preconds ) {
for ( n = o->preconds->sons; n; n = n->next ) {
if ( tmp->num_preconds == MAX_OP_P ) {
printf("\ntoo many preconds! increase MAX_OP_P (currently %d)\n\n",
MAX_OP_P);
exit( 1 );
}
make_Fact( &((tmp->preconds)[tmp->num_preconds]), n, tmp );
tmp->num_preconds++;
}
}
if ( o->effects ) {
for ( n = o->effects->sons; n; n = n->next ) {
if ( n->connective == ATOM ) {
if ( tmp->num_adds == MAX_OP_A ) {
printf("\ntoo many added facts! increase MAX_OP_A (currently %d)\n\n",
MAX_OP_A);
exit( 1 );
}
make_Fact( &((tmp->adds)[tmp->num_adds]), n, tmp );
if ( (tmp->adds)[tmp->num_adds].predicate == -1 ) {
printf("\nequality in effect of op %s! check input files.\n\n",
o->name);
exit( 1 );
}
tmp->num_adds++;
} else {/* n->connective == NOT */
if ( tmp->num_dels == MAX_OP_D ) {
printf("\ntoo many deleted facts! increase MAX_OP_D (currently %d)\n\n",
MAX_OP_D);
exit( 1 );
}
make_Fact( &((tmp->dels)[tmp->num_dels]), n->sons, tmp );
if ( (tmp->dels)[tmp->num_dels].predicate == -1 ) {
printf("\nequality in effect of op %s! check input files.\n\n",
o->name);
exit( 1 );
}
tmp->num_dels++;
}
}
}
if ( gnum_operators == MAX_OPERATORS ) {
printf("\ntoo many operators! increase MAX_OPERATORS (currently %d)\n\n",
MAX_OPERATORS);
exit( 1 );
}
goperators[gnum_operators++] = tmp;
}
free_PlOperator( gloaded_ops );
}
void make_Fact( Fact *f, PlNode *n, Operator *o )
{
int m, i;
TokenList *t;
if ( !n->atom ) {
printf("\nillegal (empty) atom used in domain. check input files\n\n");
exit( 1 );
}
if ( strcmp( n->atom->item, EQ_STR ) == SAME ) {
f->predicate = -1;
} else {
f->predicate = position_in_predicates_table( n->atom->item );
if ( f->predicate == -1 ) {
printf("\nundeclared predicate %s used in domain definition\n\n",
n->atom->item);
exit( 1 );
}
}
m = 0;
for ( t = n->atom->next; t; t = t->next ) {
if ( t->item[0] == '?' ) {
if ( !o ) {
printf("\natom in initial or goal state uses variable\n\n");
exit( 1 );
}
for ( i=0; i<o->num_vars; i++ ) {
if ( o->var_names[i] == t->item ||
strcmp( o->var_names[i], t->item ) == SAME ) {
break;
}
}
if ( i == o->num_vars ) {
printf("\nunknown variable %s in literal %s (op %s). check input files\n\n",
t->item, n->atom->item, o->name);
exit( 1 );
}
if ( f->predicate != -1 &&
o->var_types[i] != gpredicates_args_type[f->predicate][m] &&
!is_subtype( o->var_types[i], gpredicates_args_type[f->predicate][m] ) ) {
printf("\ntype of var %s of op %s doesnt match type of arg %d of predicate %s\n\n",
o->var_names[i], o->name, m, gpredicates[f->predicate]);
exit( 1 );
}
f->args[m] = ENCODE_VAR( i );
} else {
if ( (f->args[m] =
position_in_constants_table( t->item )) == -1 ) {
printf("\nunknown constant %s in literal %s. check input files\n\n",
t->item, n->atom->item);
exit( 1 );
}
}
m++;
}
if ( f->predicate == -1 ) {
if ( m != 2 ) {
printf("\nfound eq - predicate with %d arguments. check input files\n\n",
m);
exit( 1 );
}
} else {
if ( m != garity[f->predicate] ) {
printf("\npredicate %s is declared to have %d arguments. check input files\n\n",
gpredicates[f->predicate],
garity[f->predicate]);
exit( 1 );
}
}
}
Bool is_subtype( int t1, int t2 )
{
int i;
for ( i = 0; i < gtype_size[t1]; i++ ) {
if ( !gis_member[gtype_consts[t1][i]][t2] ) {
return FALSE;
}
}
return TRUE;
}
void cleanup_domain( void )
{
/* for the time being,
*
* - removes ops that have no effects
* - removes params that are equality constrained
* ( replace them by first param )
* - removes parameters that are not used
*/
Operator *o;
int i, i1, i2, i3, sw;
/* mark ops that do not have any effects
*/
for ( i = 0; i < gnum_operators; i++ ) {
if ( goperators[i]->num_adds + goperators[i]->num_dels == 0 ) {
printf("\nwarning: op %s has no effects. skipping it.",
goperators[i]->name);
goperators[i]->out = TRUE;
}
}
/* remove equality constraints
*/
for ( i = 0; i < gnum_operators; i++ ) {
o = goperators[i];
i1 = 0;
while ( i1 < o->num_preconds ) {
if ( o->preconds[i1].predicate == -1 ) {
printf("\nwarning: found equality in precondition.");
/* was hacker style before, relying on true boolean value coming as
* integer one in C; making that explicit now.
*/
sw = 0;
if ( o->preconds[i1].args[0] < 0 ) {
sw++;
}
if ( o->preconds[i1].args[1] < 0 ) {
sw++;
}
switch ( sw ) {
case 2:
if ( o->preconds[i1].args[0] == o->preconds[i1].args[1] ) {
printf("\n ... identical parameters.");
break;
}
/* replace higher with lower --> higher gets removed in next cleanup step!
*/
printf("\n ... replacing upper parameter with lower parameter.");
replace_var_entries( o, o->preconds[i1].args[0], o->preconds[i1].args[1] );
break;
case 1:
/* replace param with constant
*/
printf("\n ... replacing parameter with constant.");
replace_var_entries( o, o->preconds[i1].args[0], o->preconds[i1].args[1] );
break;
case 0:
/* two consts; different --> op out, same --> nothing to do
*/
if ( o->preconds[i1].args[0] != o->preconds[i1].args[1] ) {
printf("\n ... different constants! removing op %s.",
o->name);
o->out = TRUE;
} else {
printf("\n ... identical constants.");
}
break;
}
/* equality precond gets removed anyway.
*/
printf("\n ... removing equality precondition.");
for ( i2 = i1; i2 < o->num_preconds-1; i2++ ) {
o->preconds[i2].predicate = o->preconds[i2+1].predicate;
for ( i3 = 0; i3 < garity[o->preconds[i2].predicate]; i3++ ) {
o->preconds[i2].args[i3] = o->preconds[i2+1].args[i3];
}
}
o->num_preconds--;
} else {
i1++;
}
}
}
/* remove ops that are marked as out
*/
i = 0;
while ( i < gnum_operators ) {
if ( goperators[i]->out ) {
free_Operator( goperators[i] );
for ( i1 = i; i1 < gnum_operators-1; i1++ ) {
goperators[i1] = goperators[i1+1];
}
gnum_operators--;
} else {
i++;
}
}
/* remove doubly occuring facts (preconds can be defined or resulting from
* equality preprocessing, effects are always defined so)
*/
for ( i = 0 ; i <gnum_operators; i++ ) {
remove_identical_preconds_and_effects( goperators[i] );
}
/* remove unused parameters; separated from rest of cleanup
* because those can result from encoding unary inertia as
* types; the rest is done once and for all
*/
remove_unused_parameters();
}
void replace_var_entries( Operator *o, int p0, int p1 )
{
int i, j, pIN, pOUT;
if ( p0 >=0 || p1 >= 0 ) {/* one parameter, one constant */
pIN = p0 >= 0 ? p0 : p1;
pOUT = p0 >= 0 ? p1 : p0;
} else {/* two parameters */
if ( p0 == p1 ) {/* identical */
return;
}
/* lower parameter stays in; value is > due to encoding of variables
*/
pIN = p0 > p1 ? p0 : p1;
pOUT = p0 > p1 ? p1 : p0;
}
for ( i = 0; i < o->num_preconds; i++ ) {
for ( j = 0; j < garity[o->preconds[i].predicate]; j++ ) {
if ( o->preconds[i].args[j] == pOUT ) {
o->preconds[i].args[j] = pIN;
}
}
}
for ( i = 0; i < o->num_adds; i++ ) {
for ( j = 0; j < garity[o->adds[i].predicate]; j++ ) {
if ( o->adds[i].args[j] == pOUT ) {
o->adds[i].args[j] = pIN;
}
}
}
for ( i = 0; i < o->num_dels; i++ ) {
for ( j = 0; j < garity[o->dels[i].predicate]; j++ ) {
if ( o->dels[i].args[j] == pOUT ) {
o->dels[i].args[j] = pIN;
}
}
}
}
void remove_identical_preconds_and_effects( Operator *o )
{
int i, j, k, l;
i = 0;
while ( i < o->num_preconds-1 ) {
j = i+1;
while ( j < o->num_preconds ) {
if ( identical_fact( &(o->preconds[i]), &(o->preconds[j]) ) ) {
for ( k = j; k < o->num_preconds-1; k++ ) {
o->preconds[k].predicate = o->preconds[k+1].predicate;
for ( l = 0; l < garity[o->preconds[k].predicate]; l++ ) {
o->preconds[k].args[l] = o->preconds[k+1].args[l];
}
}
o->num_preconds--;
} else {
j++;
}
}
i++;
}
i = 0;
while ( i < o->num_adds-1 ) {
j = i+1;
while ( j < o->num_adds ) {
if ( identical_fact( &(o->adds[i]), &(o->adds[j]) ) ) {
for ( k = j; k < o->num_adds-1; k++ ) {
o->adds[k].predicate = o->adds[k+1].predicate;
for ( l = 0; l < garity[o->adds[k].predicate]; l++ ) {
o->adds[k].args[l] = o->adds[k+1].args[l];
}
}
o->num_adds--;
} else {
j++;
}
}
i++;
}
i = 0;
while ( i < o->num_dels-1 ) {
j = i+1;
while ( j < o->num_dels ) {
if ( identical_fact( &(o->dels[i]), &(o->dels[j]) ) ) {
for ( k = j; k < o->num_dels-1; k++ ) {
o->dels[k].predicate = o->dels[k+1].predicate;
for ( l = 0; l < garity[o->dels[k].predicate]; l++ ) {
o->dels[k].args[l] = o->dels[k+1].args[l];
}
}
o->num_dels--;
} else {
j++;
}
}
i++;
}
}
Bool identical_fact( Fact *f1, Fact *f2 )
{
int i;
if ( f1->predicate != f2->predicate ) {
return FALSE;
}
for ( i = 0; i < garity[f1->predicate]; i++ ) {
if ( f1->args[i] != f2->args[i] ) {
return FALSE;
}
}
return TRUE;
}
void remove_unused_parameters( void )
{
Operator *o;
Bool used[MAX_VARS];
int i, i1, i2, i3;
for ( i = 0; i < gnum_operators; i++ ) {
o = goperators[i];
for ( i1 = 0; i1 < MAX_VARS; i1++ ) {
used[i1] = FALSE;
}
for ( i1 = 0; i1 < o->num_preconds; i1++ ) {
for ( i2 = 0; i2 < garity[o->preconds[i1].predicate]; i2++ ) {
if ( o->preconds[i1].args[i2] < 0 ) {
used[DECODE_VAR( o->preconds[i1].args[i2] )] = TRUE;
}
}
}
for ( i1 = 0; i1 < o->num_adds; i1++ ) {
for ( i2 = 0; i2 < garity[o->adds[i1].predicate]; i2++ ) {
if ( o->adds[i1].args[i2] < 0 ) {
used[DECODE_VAR( o->adds[i1].args[i2])] = TRUE;
}
}
}
for ( i1 = 0; i1 < o->num_dels; i1++ ) {
for ( i2 = 0; i2 < garity[o->dels[i1].predicate]; i2++ ) {
if ( o->dels[i1].args[i2] < 0 ) {
used[DECODE_VAR( o->dels[i1].args[i2])] = TRUE;
}
}
}
i1 = 0;
i3 = 0;
while ( i1 < o->num_vars ) {
if ( used[i1] ) {
i1++;
} else {
printf("\nwarning: parameter x%d of op %s is not used. skipping it.",
i3, o->name);
for ( i2 = i1; i2 < o->num_vars-1; i2++ ) {
o->var_types[i2] = o->var_types[i2+1];
used[i2] = used[i2+1];
}
decrement_var_entries( o, i1 );
o->num_vars--;
}
i3++;
}
}
}
void decrement_var_entries( Operator *o, int start )
{
int st = ENCODE_VAR( start ), i, j;
for ( i = 0; i < o->num_preconds; i++ ) {
for ( j = 0; j < garity[o->preconds[i].predicate]; j++ ) {
if ( o->preconds[i].args[j] < st ) {
o->preconds[i].args[j]++;
}
}
}
for ( i = 0; i < o->num_adds; i++ ) {
for ( j = 0; j < garity[o->adds[i].predicate]; j++ ) {
if ( o->adds[i].args[j] < st ) {
o->adds[i].args[j]++;
}
}
}
for ( i = 0; i < o->num_dels; i++ ) {
for ( j = 0; j < garity[o->dels[i].predicate]; j++ ) {
if ( o->dels[i].args[j] < st ) {
o->dels[i].args[j]++;
}
}
}
}
/**********************************
* PREPROCESS INERTIA INFORMATION *
**********************************/
void do_inertia_preprocessing( void )
{
int i, j;
collect_inertia_information();
if ( gcmd_line.display_info == 104 ) {
printf("\n\npredicates inertia info:");
for ( i = 0; i < gnum_predicates; i++ ) {
printf("\n%3d --> %s: ", i, gpredicates[i]);
printf(" is %s, %s",
gis_added[i] ? "ADDED" : "NOT ADDED",
gis_deleted[i] ? "DELETED" : "NOT DELETED");
}
printf("\n\n");
}
split_initial_state();
if ( gcmd_line.display_info == 105 ) {
printf("\n\nfull initial state was:");
for ( i = 0; i < gnum_full_initial; i++ ) {
printf("\n");
print_Fact( &(gfull_initial[i]) );
if ( garity[gfull_initial[i].predicate] == 1 ) {
printf(" --> obj. number %d", gfull_initial[i].args[0]);
}
}
printf("\n\nsplitted initial state is:");
printf("\n\nextended types table:");
for ( i = 0; i < gnum_types; i++ ) {
printf("\n%d --> ", i);
if ( gpredicate_to_type[i] == -1 ) {
printf("%s ", gtype_names[i]);
} else {
printf("UNARY INERTIA TYPE (%s) ", gpredicates[gpredicate_to_type[i]]);
}
for ( j = 0; j < gtype_size[i]; j++ ) {
printf("%d ", gtype_consts[i][j]);
}
}
printf("\n\nnon static initial state:");
for ( i = 0; i < gnum_initial; i++ ) {
printf("\n");
print_Fact( &(ginitial[i]) );
}
printf("\n\nstatic initial state:");
for ( i = 0; i < gnum_inertia; i++ ) {
printf("\n");
print_Fact( &(ginertia[i]) );
}
printf("\n\n");
}
encode_unary_inertia_as_types();
remove_ops_with_empty_parameter_types();
remove_unused_parameters();
if ( gcmd_line.display_info == 106 ) {
printf("\n\nfull initial state was:");
for ( i = 0; i < gnum_full_initial; i++ ) {
printf("\n");
print_Fact( &(gfull_initial[i]) );
if ( garity[gfull_initial[i].predicate] == 1 ) {
printf(" --> obj. number %d", gfull_initial[i].args[0]);
}
}
printf("\n\nintersections extended types table:");
for ( i = 0; i < gnum_types; i++ ) {
printf("\n%d --> ", i);
if ( gpredicate_to_type[i] == -1 ) {
if ( gnum_intersected_types[i] == -1 ) {
printf("%s: ", gtype_names[i]);
} else {
printf("INTERSECTED TYPE (");
for ( j = 0; j < gnum_intersected_types[i]; j++ ) {
if ( gpredicate_to_type[gintersected_types[i][j]] == -1 ) {
printf("%s", gtype_names[gintersected_types[i][j]]);
} else {
printf("UNARY INERTIA TYPE (%s)",
gpredicates[gpredicate_to_type[gintersected_types[i][j]]]);
}
if ( j < gnum_intersected_types[i] - 1 ) {
printf(" and ");
}
}
printf("): ");
}
} else {
printf("UNARY INERTIA TYPE (%s): ", gpredicates[gpredicate_to_type[i]]);
}
for ( j = 0; j < gtype_size[i]; j++ ) {
printf("%d ", gtype_consts[i][j]);
}
}
printf("\n\nops with unary inertia preconds encoded:");
for ( i = 0; i < gnum_operators; i++ ) {
print_Operator( goperators[i] );
}
printf("\n\n");
}
}
void collect_inertia_information( void )
{
int i, j;
for ( i = 0; i < gnum_predicates; i++ ) {
gis_added[i] = FALSE;