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/*
 * cl_propagators.c
 *
 *  Created on: 09/09/2019
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 *      Author: pedro
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 */
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#ifndef __OPENCL_VERSION__
#include <stdbool.h>
#include <sys/types.h>

#include "cl_propagators.h"
#include "cl_aux_functions.h"
#include "../utils/cl_syntax.h"
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#include "../constraints/all_different.h"
#include "../constraints/at_least.h"
#include "../constraints/at_most.h"
#include "../constraints/at_most_one.h"
#include "../constraints/bool2int.h"
#include "../constraints/bool_and.h"
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#include "../constraints/bool_clause.h"
#include "../constraints/bool_or.h"
#include "../constraints/element.h"
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#include "../constraints/element_int_var.h"
#include "../constraints/element_var.h"
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#include "../constraints/eq.h"
#include "../constraints/eq_var.h"
#include "../constraints/ne.h"
#include "../constraints/exactly.h"
#include "../constraints/exactly_var.h"
#include "../constraints/le.h"
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#include "../constraints/linear.h"
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#include "../constraints/linear_lt.h"
#include "../constraints/linear_ne.h"
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#include "../constraints/linear_var.h"
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#include "../constraints/lt.h"
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#include "../constraints/max.h"
#include "../constraints/maximize.h"
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#include "../constraints/min.h"
#include "../constraints/minimize.h"
#include "../constraints/minus_eq.h"
#include "../constraints/minus_ne.h"
#include "../constraints/sum.h"
#include "../constraints/sum_prod.h"
#include "../constraints/sum_var.h"
#include "../constraints/var_eq_minus.h"
#include "../constraints/var_eq_minus_abs.h"
#include "../constraints/var_eq_plus.h"
#include "../constraints/var_eq_times.h"

#else
#include "../constraints/all_different.c"
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#include "../constraints/at_least.c"
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#include "../constraints/at_most.c"
#include "../constraints/at_most_one.c"
#include "../constraints/bool2int.c"
#include "../constraints/bool_and.c"
#include "../constraints/bool_clause.c"
#include "../constraints/bool_or.c"
#include "../constraints/element.c"
#include "../constraints/element_int_var.c"
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#include "../constraints/element_var.c"
#include "../constraints/eq.c"
#include "../constraints/eq_var.c"
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#include "../constraints/ne.c"
#include "../constraints/exactly.c"
#include "../constraints/exactly_var.c"
#include "../constraints/le.c"
#include "../constraints/linear.c"
#include "../constraints/linear_lt.c"
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#include "../constraints/linear_ne.c"
#include "../constraints/linear_var.c"
#include "../constraints/lt.c"
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#include "../constraints/max.c"
#include "../constraints/maximize.c"
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#include "../constraints/min.c"
#include "../constraints/minimize.c"
#include "../constraints/minus_eq.c"
#include "../constraints/minus_ne.c"
#include "../constraints/sum.c"
#include "../constraints/sum_prod.c"
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#include "../constraints/sum_var.c"
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#include "../constraints/var_eq_minus.c"
#include "../constraints/var_eq_minus_abs.c"
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#include "../constraints/var_eq_plus.c"
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#include "../constraints/var_eq_times.c"
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#endif
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#include "../config.h"
#include "../domains.h"
#include "cl_constraints.h"
#include "cl_variables.h"
#include "cl_ttl.h"

#if CL_D_TYPE == CL_BITMAP
#include "cl_bitmaps.h"
#elif CL_D_TYPE == CL_INTERVAL
#include  "cl_intervals.h"
#endif

/*
 * Propagate the domain of the variable with the ID prop_v_id through all the other variables on each constraint that constrain prop_v_id
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 * Return 1 if all propagations succeed or 0 if not
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 * vs - CSP variables
 * cs - CSP constraints
 * cs_per_v_idx - vector with all the constraints ID that constrain each variable, per variable ID order
 * vs_per_c_idx - vector with all constrained variables ID per constraint, per constraint ID order
 * c_consts - vector with all the constant values of a CSP
 * nodes_fail - counter for all the failed nodes
 * nodes_expl - counter for all the explored nodes
 * pruning - counter for all the propagations that prunned values
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 * props_ok - counter for all the succeeded propagations
 * vs_prop_ - all CSP variables with current step values
 * prop_v_id - variable ID to propagate
 * current_cs - constraint that should be propagated for the variable with prop_v_id ID
 * vs_id_to_prop_ - circular vector with the ids of the variables to propagate
 */
CUDA_FUNC void propagate(
CL_VS_MEM VARS* vs, CL_CS_MEM cl_constr* cs, CL_INTS_MEM int* cs_per_v_idx, CL_INTS_MEM int* vs_per_c_idx,
#if CS_AT_LEAST == 1 || CS_AT_MOST == 1 || CS_AT_MOST_ONE == 1 || CS_EXACTLY == 1 || CS_LINEAR == 1 || CS_LINEAR_LT == 1 || CS_LINEAR_NE == 1 || CS_LINEAR_VAR == 1 || CS_ELEMENT_INT_VAR == 1
		CL_INTS_MEM int* c_consts,
#endif
#if (CS_MAXIMIZE == 1 || CS_MINIMIZE == 1) && CL_WORK == CL_OPT
		__global unsigned int* val_to_opt_g,
#endif
#if CL_STATS == 1
		__global unsigned long* nodes_fail,
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		__global unsigned long* nodes_expl,
		__global unsigned long* pruning,
		__global unsigned long* props_ok,
#endif
		CL_MEMORY VARS_PROP* vs_prop_, unsigned int prop_v_id, CL_MEMORY unsigned short* vs_id_to_prop_ TTL_CTR
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#if CL_N_DEVS > 1
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		, unsigned long* props_count
#endif
		CS_IGNORE_FUNC, bool* prop_ok, __global int* terms_mem) {

	CL_CS_MEM cl_constr* current_cs;
	int i;
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	*prop_ok = 1;

#if CL_CHECK_ERRORS
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	int l;
	for (l = 0; l < CL_N_VS; l++) {
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		bool empty;
#if CL_N_WORDS == 1
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		empty = (vs_prop_[l].prop_d == 0);
#else
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		int m;
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		empty = 1;
		for (m = 0; m < CL_N_WORDS; m++) {
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			CHECK_TTL(ttl_ctr, 115)
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			if (vs_prop_[l].prop_d[m] != 0) {
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				empty = 0;
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				m = CL_N_WORDS;
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			}
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		}
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#endif
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		if ((*prop_ok == 1 && (empty || vs_prop_[l].n_vals == 0 || vs_prop_[l].n_vals > vs_prop_[l].max + 1)) || vs_prop_[l].min > vs_prop_[l].max || vs_prop_[l].max > CL_D_MAX) {
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			printf((__constant char *)"\n###error 71\n");
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		}
	}
#endif

	// for statistics
#if CL_STATS == 1
	bool propagated;
	int last_prev_vs_to_prop;
#endif

#if CL_CHECK_ERRORS
	if (prop_v_id > CL_N_VS) {
		printf((__constant char *)"\n###error 48\n");
	}
#endif

	// iterates the constraints that constrain the variable to propagate
	for (i = 0; i < vs[prop_v_id].n_cs; i++) {
		CHECK_TTL(ttl_ctr, 28)
		current_cs = &cs[cs_per_v_idx[vs[prop_v_id].c_idx + convert_uint(i)]];
		unsigned int kind = current_cs->kind;
		CL_INTS_MEM int* vs_per_c_idx_ = &vs_per_c_idx[current_cs->v_idx];

#if CL_CHECK_ERRORS
	if (cs_per_v_idx[vs[prop_v_id].c_idx + convert_uint(i)] > CL_N_CS) {
		printf((__constant char *)"\n###error 49\n");
	}
	if (kind > 34) {
		printf((__constant char *)"\n###error 50\n");
	}
	if (current_cs->v_idx > CL_N_VS_CS) {
		printf((__constant char *)"\n###error 52\n");
	}
#endif

#if CS_AT_LEAST == 1 || CS_AT_MOST == 1 || CS_AT_MOST_ONE == 1 || CS_EXACTLY == 1 || CS_LINEAR == 1 || CS_LINEAR_LT == 1 || CS_LINEAR_NE == 1 || CS_LINEAR_VAR == 1 || CS_ELEMENT_INT_VAR == 1
		CL_INTS_MEM int* c_consts_ = &c_consts[current_cs->const_idx];

#if CL_CHECK_ERRORS
	if (current_cs->v_idx > CL_N_CS_VS) {
		printf((__constant char *)"\n###error 53\n");
	}
#endif
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#endif

#if CL_N_DEVS > 1
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		(*props_count)++;
#endif
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#if CL_STATS == 1
		last_prev_vs_to_prop = vs_id_to_prop_[1];
		propagated = false;
#endif

#if CL_CS_IGNORE
		if (cs_ignore[current_cs->c_id] == 0) {
#endif
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			switch (kind) {
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#if CS_ALL_DIFFERENT == 1
			case ALL_DIFFERENT:
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				all_different_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL TTL_CTR_V);
				break;
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#endif

#if CS_AT_LEAST == 1
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			case AT_LEAST:
				at_least_propagate(vs_per_c_idx_, c_consts_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_AT_MOST == 1
			case AT_MOST:
				at_most_propagate(vs_per_c_idx_, c_consts_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_AT_MOST_ONE == 1
			case AT_MOST_ONE:
				at_most_one_propagate(vs_per_c_idx_, c_consts_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL TTL_CTR_V);
				break;
#endif

#if CS_BOOL2INT == 1
			case BOOL2INT:
				bool2int_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif
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#if CS_BOOL_AND == 1
			case BOOL_AND:
				bool_and_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_BOOL_CLAUSE == 1
			case BOOL_CLAUSE:
				bool_clause_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_BOOL_OR == 1
			case BOOL_OR:
				bool_or_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_ELEMENT == 1
			case ELEMENT:
				element_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_ELEMENT_INT_VAR == 1
			case ELEMENT_INT_VAR:
				element_int_var_propagate(vs_per_c_idx_, c_consts_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok, terms_mem PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_ELEMENT_VAR == 1
			case ELEMENT_VAR:
				element_var_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_EQ == 1
			case EQ:
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				eq_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_EQ_VAR == 1
			case EQ_VAR:
				eq_var_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_EXACTLY == 1
			case EXACTLY:
				exactly_propagate(vs_per_c_idx_, c_consts_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_EXACTLY_VAR == 1
			case EXACTLY_VAR:
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				exactly_var_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_LE == 1
			case LE:
				le_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_LINEAR == 1
			case LINEAR:
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				linear_propagate(vs_per_c_idx_, c_consts_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok, terms_mem PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_LINEAR_LT == 1
			case LINEAR_LT:
				linear_lt_propagate(vs_per_c_idx_, c_consts_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok, terms_mem PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_LINEAR_NE == 1
			case LINEAR_NE:
				linear_ne_propagate(vs_per_c_idx_, c_consts_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok, terms_mem PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_LINEAR_VAR == 1
			case LINEAR_VAR:
				linear_var_propagate(vs_per_c_idx_, c_consts_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok, terms_mem PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_LT == 1
			case LT:
				lt_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_MAX == 1
			case MAX:
				max_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif

#if CS_MAXIMIZE == 1 && CL_WORK == CL_OPT
			case MAXIMIZE:
				maximize_propagate(vs_prop_, current_cs, vs_id_to_prop_, val_to_opt_g, prop_ok PROPAGATED_CALL TTL_CTR_V);
				break;
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#endif

#if CS_MIN == 1
			case MIN:
				min_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_MINIMIZE == 1 && CL_WORK == CL_OPT
			case MINIMIZE:
				minimize_propagate(vs_prop_, current_cs, vs_id_to_prop_, val_to_opt_g, prop_ok PROPAGATED_CALL TTL_CTR_V);
				break;
#endif

#if CS_MINUS_EQ == 1
			case MINUS_EQ:
				minus_eq_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_MINUS_NE == 1
			case MINUS_NE:
				minus_ne_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_NE == 1
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			case NE:
				ne_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_SUM == 1
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			case SUM:
				sum_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok, terms_mem PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_SUM_PROD == 1
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			case SUM_PROD:
				sum_prod_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_SUM_VAR == 1
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			case SUM_VAR:
				sum_var_propagate(vs_per_c_idx_, vs_prop_, current_cs, vs_id_to_prop_, prop_ok, terms_mem PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_VAR_EQ_MINUS == 1
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			case VAR_EQ_MINUS:
				var_eq_minus_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
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#endif

#if CS_VAR_EQ_MINUS_ABS == 1
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			case VAR_EQ_MINUS_ABS:
				var_eq_minus_abs_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL TTL_CTR_V);
				break;
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#endif

#if CS_VAR_EQ_PLUS == 1
			case VAR_EQ_PLUS:
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				var_eq_plus_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
				break;
#endif
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#if CS_VAR_EQ_TIMES == 1
			case VAR_EQ_TIMES:
				var_eq_times_propagate(vs_per_c_idx_, vs_prop_, prop_v_id, current_cs, vs_id_to_prop_, prop_ok PROPAGATED_CALL CS_IGNORE_CALL TTL_CTR_V);
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				break;
#endif
			default:
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				*prop_ok = 0;

#if CL_CHECK_ERRORS
				printf((__constant char *)"\n###error 65\n");
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#endif
				break;
			}
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#if CL_STATS == 1
			if (propagated) {
				if (*prop_ok == 0) {
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					(*nodes_fail)++;
					(*nodes_expl)++;
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				} else {
					(*props_ok)++;
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					if (last_prev_vs_to_prop != vs_id_to_prop_[1]) {
						(*pruning) += convert_ulong(abs(vs_id_to_prop_[1] - last_prev_vs_to_prop));
					}
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				}
			}
#endif
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			if (*prop_ok == 0) {
				i = vs[prop_v_id].n_cs;
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			}

			// check if there is any variable marked for being propagated, but not listed in the list of variables to propagate
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#if CL_CHECK_ERRORS
			int k;
			for (l = 0; l < CL_N_VS; l++) {
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				bool empty;
#if CL_N_WORDS == 1
				empty = (vs_prop_[l].prop_d == 0);
#else
				int m;
				empty = 1;
				for (m = 0; m < CL_N_WORDS; m++) {
					CHECK_TTL(ttl_ctr, 115)
94b2b13d   Pedro Roque   PHACT source 
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					if (vs_prop_[l].prop_d[m] != 0) {
						empty = 0;
						m = CL_N_WORDS;
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					}
				}
#endif
				if ((*prop_ok == 1 && (empty || vs_prop_[l].n_vals == 0 || vs_prop_[l].n_vals > vs_prop_[l].max + 1)) || vs_prop_[l].min > vs_prop_[l].max || vs_prop_[l].max > CL_D_MAX) {
					printf((__constant char *)"\n###error 70\n");
					printf((__constant char *)"constraint=%d, prop_ok=%d, empty=%d, vs_prop_[l].n_vals=%u, vs_prop_[l].min=%u, vs_prop_[l].max=%u\n",
							kind, *prop_ok, empty, vs_prop_[l].n_vals, vs_prop_[l].min, vs_prop_[l].max);

					*prop_ok = 0;
					i = vs[prop_v_id].n_cs;
				}

				if (vs_prop_[l].to_prop == 1) {

					if (vs_id_to_prop_[0] <= vs_id_to_prop_[1]) {
94b2b13d   Pedro Roque   PHACT source 
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						for (k = vs_id_to_prop_[0]; k < vs_id_to_prop_[1]; k++) {
							CHECK_TTL(ttl_ctr, 154)

							if (vs_id_to_prop_[k] == l) {
								break;
							}
						}

						if (k == vs_id_to_prop_[1]) {
							printf((__constant char *)"\n###error 66\n");
						}
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504
 
					} else {
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						for (k = vs_id_to_prop_[0]; k < vs_id_to_prop_[CL_N_VS + 2]; k++) {
							CHECK_TTL(ttl_ctr, 155)

							if (k < CL_D_MAX + 2 && vs_id_to_prop_[k] == l) {
								break;
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							}
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						}

						if (k == vs_id_to_prop_[CL_N_VS + 2]) {

							for (k = 2; k < vs_id_to_prop_[1]; k++) {
								CHECK_TTL(ttl_ctr, 156)

								if (vs_id_to_prop_[k] == l) {
									break;
								}
							}
						}
					}
				}
			}
#endif

#if CL_CS_IGNORE
		}
#endif
	}
}
4d26a735   Pedro Roque   Increased recogni... 












94b2b13d
 
 Pedro Roque
 
PHACT source
















94b2b13d
 
 Pedro Roque
 
PHACT source
















4d26a735
 
 Pedro Roque
 
Increased recogni...
















94b2b13d
 
 Pedro Roque
 
PHACT source
















4d26a735
 
 Pedro Roque
 
Increased recogni...
















94b2b13d
 
 Pedro Roque
 
PHACT source
















94b2b13d
 
 Pedro Roque
 
PHACT source
















4d26a735
 
 Pedro Roque
 
Increased recogni...
















94b2b13d
 
 Pedro Roque
 
PHACT source
















4d26a735
 
 Pedro Roque
 
Increased recogni...
















94b2b13d
 
 Pedro Roque
 
PHACT source
















4d26a735
 
 Pedro Roque
 
Increased recogni...
















94b2b13d
 
 Pedro Roque
 
PHACT source
















4d26a735
 
 Pedro Roque
 
Increased recogni...
















94b2b13d
 
 Pedro Roque
 
PHACT source