599 lines
19 KiB
C
599 lines
19 KiB
C
/**********************************************************************
|
|
|
|
The OPTYap Prolog system
|
|
OPTYap extends the Yap Prolog system to support or-parallel tabling
|
|
|
|
Copyright: R. Rocha and NCC - University of Porto, Portugal
|
|
File: or.macros.h
|
|
version: $Id: or.macros.h,v 1.5 2008-03-25 16:45:53 vsc Exp $
|
|
|
|
**********************************************************************/
|
|
|
|
/* -------------------- **
|
|
** Prototypes **
|
|
** -------------------- */
|
|
|
|
/* get a def for NULL */
|
|
#include <stdlib.h>
|
|
|
|
STD_PROTO(static inline void PUT_IN_EXECUTING, (int));
|
|
STD_PROTO(static inline void PUT_OUT_EXECUTING, (int));
|
|
STD_PROTO(static inline void PUT_IN_FINISHED, (int));
|
|
#ifdef TABLING_INNER_CUTS
|
|
STD_PROTO(static inline void PUT_IN_PRUNING, (int));
|
|
STD_PROTO(static inline void PUT_OUT_PRUNING, (int));
|
|
#endif /* TABLING_INNER_CUTS */
|
|
|
|
STD_PROTO(static inline void PUT_IN_REQUESTABLE, (int));
|
|
STD_PROTO(static inline void PUT_OUT_REQUESTABLE, (int));
|
|
STD_PROTO(static inline void SCH_update_local_or_tops, (void));
|
|
STD_PROTO(static inline void SCH_refuse_share_request_if_any, (void));
|
|
STD_PROTO(static inline void SCH_set_load, (choiceptr));
|
|
STD_PROTO(static inline void SCH_new_alternative, (yamop *,yamop *));
|
|
|
|
STD_PROTO(static inline void CUT_send_prune_request, (int, choiceptr));
|
|
STD_PROTO(static inline void CUT_reset_prune_request, (void));
|
|
|
|
STD_PROTO(static inline int CUT_last_worker_left_pending_prune, (or_fr_ptr));
|
|
STD_PROTO(static inline or_fr_ptr CUT_leftmost_or_frame, (void));
|
|
#ifdef TABLING_INNER_CUTS
|
|
STD_PROTO(static inline or_fr_ptr CUT_leftmost_until, (or_fr_ptr, int));
|
|
#endif /* TABLING_INNER_CUTS */
|
|
|
|
STD_PROTO(static inline void CUT_store_answer, (or_fr_ptr, qg_ans_fr_ptr));
|
|
STD_PROTO(static inline void CUT_store_answers, (or_fr_ptr, qg_sol_fr_ptr));
|
|
STD_PROTO(static inline void CUT_join_answers_in_an_unique_frame, (qg_sol_fr_ptr));
|
|
STD_PROTO(static inline void CUT_free_solution_frame, (qg_sol_fr_ptr));
|
|
STD_PROTO(static inline void CUT_free_solution_frames, (qg_sol_fr_ptr));
|
|
STD_PROTO(static inline qg_sol_fr_ptr CUT_prune_solution_frames, (qg_sol_fr_ptr, int));
|
|
|
|
|
|
|
|
/* ---------------------------- **
|
|
** Instruction Macros **
|
|
** ---------------------------- */
|
|
|
|
#if SIZEOF_INT == 2
|
|
#define YAMOP_CUT_FLAG 0x8000
|
|
#define YAMOP_SEQ_FLAG 0x4000
|
|
#define YAMOP_FLAGS_BITS 0xc000
|
|
#define YAMOP_LTT_BITS 0x3fff
|
|
#elif SIZEOF_INT == 4
|
|
#define YAMOP_CUT_FLAG 0x80000000
|
|
#define YAMOP_SEQ_FLAG 0x40000000
|
|
#define YAMOP_FLAGS_BITS 0xc0000000
|
|
#define YAMOP_LTT_BITS 0x3fffffff
|
|
#elif SIZEOF_INT == 8
|
|
#define YAMOP_CUT_FLAG 0x8000000000000000
|
|
#define YAMOP_SEQ_FLAG 0x4000000000000000
|
|
#define YAMOP_FLAGS_BITS 0xc000000000000000
|
|
#define YAMOP_LTT_BITS 0x3fffffffffffffff
|
|
#else
|
|
#define YAMOP_CUT_FLAG OOOOPPS!!! Unknown Integer Sizeof
|
|
#define YAMOP_SEQ_FLAG OOOOPPS!!! Unknown Integer Sizeof
|
|
#define YAMOP_FLAGS_BITS OOOOPPS!!! Unknown Integer Sizeof
|
|
#define YAMOP_LTT_BITS OOOOPPS!!! Unknown Integer Sizeof
|
|
#endif /* SIZEOF_INT */
|
|
|
|
#define YAMOP_OR_ARG(INST) ((INST)->u.Otapl.or_arg)
|
|
#define YAMOP_LTT(INST) (((INST)->u.Otapl.or_arg) & YAMOP_LTT_BITS)
|
|
#define YAMOP_SEQ(INST) (((INST)->u.Otapl.or_arg) & YAMOP_SEQ_FLAG)
|
|
#define YAMOP_CUT(INST) (((INST)->u.Otapl.or_arg) & YAMOP_CUT_FLAG)
|
|
#define YAMOP_FLAGS(INST) (((INST)->u.Otapl.or_arg) & YAMOP_FLAGS_BITS)
|
|
|
|
#define INIT_YAMOP_LTT(INST, LTT) ((INST)->u.Otapl.or_arg = LTT+1)
|
|
#define PUT_YAMOP_LTT(INST, LTT) (INST)->u.Otapl.or_arg = YAMOP_FLAGS(INST) | (LTT+1)
|
|
#define PUT_YAMOP_SEQ(INST) (INST)->u.Otapl.or_arg |= YAMOP_SEQ_FLAG
|
|
#define PUT_YAMOP_CUT(INST) (INST)->u.Otapl.or_arg |= YAMOP_CUT_FLAG
|
|
|
|
#define BRANCH(WORKER, DEPTH) GLOBAL_branch(WORKER, DEPTH)
|
|
#define BRANCH_LTT(WORKER, DEPTH) (BRANCH(WORKER, DEPTH) & YAMOP_LTT_BITS)
|
|
#define BRANCH_CUT(WORKER, DEPTH) (BRANCH(WORKER, DEPTH) & YAMOP_CUT_FLAG)
|
|
|
|
|
|
|
|
/* ---------------------------- **
|
|
** Performance Macros **
|
|
** ---------------------------- */
|
|
|
|
#define PERFORMANCE_OFF 0x0
|
|
#define PERFORMANCE_ON 0x1
|
|
#define PERFORMANCE_IN_EXECUTION 0x2
|
|
|
|
|
|
|
|
/* ----------------------- **
|
|
** Engine Macros **
|
|
** ----------------------- */
|
|
|
|
#define LOCK_OR_FRAME(fr) LOCK(OrFr_lock(fr))
|
|
#define UNLOCK_OR_FRAME(fr) UNLOCK(OrFr_lock(fr))
|
|
|
|
#define LOCK_WORKER(w) LOCK(REMOTE_lock(w))
|
|
#define UNLOCK_WORKER(w) UNLOCK(REMOTE_lock(w))
|
|
|
|
|
|
|
|
/* -------------------------- **
|
|
** Scheduler Macros **
|
|
** -------------------------- */
|
|
|
|
#define SCH_top_shared_cp(CP) (Get_LOCAL_top_cp() == CP)
|
|
|
|
#define SCH_any_share_request (LOCAL_share_request != MAX_WORKERS)
|
|
|
|
#define SCHEDULER_GET_WORK() \
|
|
if (get_work()) \
|
|
goto shared_fail; \
|
|
else \
|
|
goto shared_end
|
|
|
|
#define SCH_check_prune_request() \
|
|
if (LOCAL_prune_request) { \
|
|
SCHEDULER_GET_WORK(); \
|
|
}
|
|
|
|
#if defined(ENV_COPY) || defined(SBA) || defined(THREADS)
|
|
#define SCH_check_share_request() \
|
|
if (SCH_any_share_request) { \
|
|
ASP = YENV; \
|
|
saveregs(); \
|
|
p_share_work(); \
|
|
setregs(); \
|
|
}
|
|
#else /* ACOW */
|
|
#define SCH_check_share_request() \
|
|
if (SCH_any_share_request) { \
|
|
if (! p_share_work()) \
|
|
goto shared_fail; \
|
|
}
|
|
#endif /* ENV_COPY || SBA || ACOW */
|
|
|
|
#define SCH_check_requests() \
|
|
SCH_check_prune_request(); \
|
|
SCH_check_share_request()
|
|
|
|
#define SCH_last_alternative(curpc, CP_PTR) \
|
|
H = HBREG = PROTECT_FROZEN_H(CP_PTR); \
|
|
CPREG = CP_PTR->cp_cp; \
|
|
ENV = CP_PTR->cp_env; \
|
|
SCH_new_alternative(curpc, NULL)
|
|
|
|
|
|
|
|
/* -------------------- **
|
|
** Cut Macros **
|
|
** -------------------- */
|
|
|
|
#define CUT_prune_to(PRUNE_CP) \
|
|
if (YOUNGER_CP(Get_LOCAL_top_cp(), PRUNE_CP)) { \
|
|
if (! LOCAL_prune_request) \
|
|
prune_shared_branch(PRUNE_CP); \
|
|
PRUNE_CP = Get_LOCAL_top_cp(); \
|
|
}
|
|
|
|
#define CUT_wait_leftmost() \
|
|
if (PARALLEL_EXECUTION_MODE) { \
|
|
/* parallel execution mode --> wait until leftmost */ \
|
|
int i, loop, depth, ltt; \
|
|
bitmap members; \
|
|
or_fr_ptr leftmost_or_fr; \
|
|
leftmost_or_fr = LOCAL_top_or_fr; \
|
|
do { \
|
|
depth = OrFr_depth(leftmost_or_fr); \
|
|
ltt = BRANCH_LTT(worker_id, depth); \
|
|
do { \
|
|
loop = FALSE; \
|
|
SCH_check_requests(); \
|
|
BITMAP_copy(members, OrFr_members(leftmost_or_fr)); \
|
|
BITMAP_delete(members, worker_id); \
|
|
for (i = 0; i < number_workers; i++) { \
|
|
/* not leftmost in current frame if there is a */ \
|
|
/* worker in a left branch and it is not idle or */ \
|
|
/* if it is idle it is in a younger node */ \
|
|
if (BITMAP_member(members, i) && \
|
|
BRANCH_LTT(i, depth) > ltt && \
|
|
(! BITMAP_member(GLOBAL_bm_idle_workers, i) || \
|
|
leftmost_or_fr != REMOTE_top_or_fr(i))) { \
|
|
loop = TRUE; \
|
|
break; \
|
|
} \
|
|
} \
|
|
} while (loop); \
|
|
leftmost_or_fr = OrFr_nearest_leftnode(leftmost_or_fr); \
|
|
} while (leftmost_or_fr != GLOBAL_root_or_fr); \
|
|
}
|
|
|
|
|
|
|
|
/* ---------------------- **
|
|
** Engine Stuff **
|
|
** ---------------------- */
|
|
|
|
static inline
|
|
void PUT_IN_EXECUTING(int w) {
|
|
LOCK(GLOBAL_LOCKS_bm_executing_workers);
|
|
BITMAP_insert(GLOBAL_bm_executing_workers, w);
|
|
UNLOCK(GLOBAL_LOCKS_bm_executing_workers);
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void PUT_OUT_EXECUTING(int w) {
|
|
LOCK(GLOBAL_LOCKS_bm_executing_workers);
|
|
BITMAP_delete(GLOBAL_bm_executing_workers, w);
|
|
UNLOCK(GLOBAL_LOCKS_bm_executing_workers);
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void PUT_IN_FINISHED(int w) {
|
|
LOCK(GLOBAL_LOCKS_bm_finished_workers);
|
|
BITMAP_insert(GLOBAL_bm_finished_workers, w);
|
|
UNLOCK(GLOBAL_LOCKS_bm_finished_workers);
|
|
return;
|
|
}
|
|
|
|
|
|
#ifdef TABLING_INNER_CUTS
|
|
static inline
|
|
void PUT_IN_PRUNING(int w) {
|
|
LOCK(GLOBAL_LOCKS_bm_pruning_workers);
|
|
BITMAP_insert(GLOBAL_bm_pruning_workers, w);
|
|
UNLOCK(GLOBAL_LOCKS_bm_pruning_workers);
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void PUT_OUT_PRUNING(int w) {
|
|
LOCK(GLOBAL_LOCKS_bm_pruning_workers);
|
|
BITMAP_delete(GLOBAL_bm_pruning_workers, w);
|
|
UNLOCK(GLOBAL_LOCKS_bm_pruning_workers);
|
|
return;
|
|
}
|
|
#endif /* TABLING_INNER_CUTS */
|
|
|
|
|
|
|
|
/* ------------------------- **
|
|
** Scheduler Stuff **
|
|
** ------------------------- */
|
|
|
|
static inline
|
|
void PUT_IN_REQUESTABLE(int p) {
|
|
LOCK(GLOBAL_LOCKS_bm_requestable_workers);
|
|
BITMAP_insert(GLOBAL_bm_requestable_workers, p);
|
|
UNLOCK(GLOBAL_LOCKS_bm_requestable_workers);
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void PUT_OUT_REQUESTABLE(int p) {
|
|
LOCK(GLOBAL_LOCKS_bm_requestable_workers);
|
|
BITMAP_delete(GLOBAL_bm_requestable_workers, p);
|
|
UNLOCK(GLOBAL_LOCKS_bm_requestable_workers);
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void SCH_update_local_or_tops(void) {
|
|
Set_LOCAL_top_cp(Get_LOCAL_top_cp()->cp_b);
|
|
LOCAL_top_or_fr = Get_LOCAL_top_cp()->cp_or_fr;
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void SCH_refuse_share_request_if_any(void) {
|
|
if (SCH_any_share_request) {
|
|
REMOTE_reply_signal(LOCAL_share_request) = no_sharing;
|
|
LOCAL_share_request = MAX_WORKERS;
|
|
PUT_OUT_REQUESTABLE(worker_id);
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void SCH_set_load(choiceptr current_cp) {
|
|
Int lub; /* local untried branches */
|
|
choiceptr previous_cp = current_cp->cp_b;
|
|
|
|
#define INIT_CP_LUB(CP, LUB) CP->cp_or_fr = (struct or_frame *)(LUB)
|
|
#define CP_LUB(CP) (Int)(CP->cp_or_fr)
|
|
|
|
if (SCH_top_shared_cp(previous_cp))
|
|
lub = 0;
|
|
else if (YAMOP_SEQ(previous_cp->cp_ap))
|
|
lub = CP_LUB(previous_cp);
|
|
else
|
|
lub = CP_LUB(previous_cp) + YAMOP_LTT(previous_cp->cp_ap);
|
|
INIT_CP_LUB(current_cp, lub);
|
|
|
|
if (YAMOP_SEQ(current_cp->cp_ap))
|
|
LOCAL_load = lub;
|
|
else
|
|
LOCAL_load = lub + YAMOP_LTT(current_cp->cp_ap);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void SCH_new_alternative(yamop *curpc, yamop *new) {
|
|
OrFr_alternative(LOCAL_top_or_fr) = new;
|
|
BRANCH(worker_id, OrFr_depth(LOCAL_top_or_fr)) = YAMOP_OR_ARG(curpc);
|
|
UNLOCK_OR_FRAME(LOCAL_top_or_fr);
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
/* ---------------------------- **
|
|
** Cut Stuff: Pruning **
|
|
** ---------------------------- */
|
|
|
|
static inline
|
|
void CUT_send_prune_request(int worker, choiceptr prune_cp) {
|
|
LOCK_WORKER(worker);
|
|
if (YOUNGER_CP(REMOTE_top_cp(worker), prune_cp) &&
|
|
(! REMOTE_prune_request(worker) || YOUNGER_CP(REMOTE_prune_request(worker), prune_cp)))
|
|
REMOTE_prune_request(worker) = prune_cp;
|
|
UNLOCK_WORKER(worker);
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void CUT_reset_prune_request(void) {
|
|
LOCK_WORKER(worker_id);
|
|
if (LOCAL_prune_request && EQUAL_OR_YOUNGER_CP(LOCAL_prune_request, Get_LOCAL_top_cp()))
|
|
LOCAL_prune_request = NULL;
|
|
UNLOCK_WORKER(worker_id);
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
/* ----------------------------- **
|
|
** Cut Stuff: Leftmost **
|
|
** ----------------------------- */
|
|
|
|
static inline
|
|
int CUT_last_worker_left_pending_prune(or_fr_ptr or_frame) {
|
|
int i, depth, ltt;
|
|
bitmap members;
|
|
|
|
depth = OrFr_depth(or_frame);
|
|
ltt = OrFr_pend_prune_ltt(or_frame);
|
|
members = OrFr_members(or_frame);
|
|
BITMAP_delete(members, worker_id);
|
|
for (i = 0; i < number_workers; i++) {
|
|
if (BITMAP_member(members, i) && BRANCH_LTT(i, depth) > ltt)
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static inline
|
|
or_fr_ptr CUT_leftmost_or_frame(void) {
|
|
int i, depth, ltt;
|
|
bitmap members;
|
|
or_fr_ptr leftmost_or_fr, or_fr, nearest_or_fr;
|
|
|
|
BITMAP_clear(members);
|
|
BITMAP_insert(members, worker_id);
|
|
leftmost_or_fr = LOCAL_top_or_fr;
|
|
depth = OrFr_depth(leftmost_or_fr);
|
|
do {
|
|
ltt = BRANCH_LTT(worker_id, depth);
|
|
BITMAP_difference(members, OrFr_members(leftmost_or_fr), members);
|
|
if (members)
|
|
for (i = 0; i < number_workers; i++)
|
|
if (BITMAP_member(members, i) && BRANCH_LTT(i, depth) > ltt)
|
|
goto update_nearest_leftnode_data;
|
|
BITMAP_copy(members, OrFr_members(leftmost_or_fr));
|
|
leftmost_or_fr = OrFr_nearest_leftnode(leftmost_or_fr);
|
|
depth = OrFr_depth(leftmost_or_fr);
|
|
} while (depth);
|
|
|
|
update_nearest_leftnode_data:
|
|
or_fr = LOCAL_top_or_fr;
|
|
nearest_or_fr = OrFr_nearest_leftnode(or_fr);
|
|
while (OrFr_depth(nearest_or_fr) > depth) {
|
|
LOCK_OR_FRAME(or_fr);
|
|
OrFr_nearest_leftnode(or_fr) = leftmost_or_fr;
|
|
UNLOCK_OR_FRAME(or_fr);
|
|
or_fr = nearest_or_fr;
|
|
nearest_or_fr = OrFr_nearest_leftnode(or_fr);
|
|
}
|
|
|
|
return leftmost_or_fr;
|
|
}
|
|
|
|
|
|
#ifdef TABLING_INNER_CUTS
|
|
static inline
|
|
or_fr_ptr CUT_leftmost_until(or_fr_ptr start_or_fr, int until_depth) {
|
|
int i, ltt, depth;
|
|
bitmap prune_members, members;
|
|
or_fr_ptr leftmost_or_fr, nearest_or_fr;
|
|
|
|
/* we assume that the start_or_fr frame is locked and empty (without members) */
|
|
leftmost_or_fr = OrFr_nearest_leftnode(start_or_fr);
|
|
depth = OrFr_depth(leftmost_or_fr);
|
|
if (depth > until_depth) {
|
|
BITMAP_copy(prune_members, GLOBAL_bm_pruning_workers);
|
|
BITMAP_delete(prune_members, worker_id);
|
|
ltt = BRANCH_LTT(worker_id, depth);
|
|
BITMAP_intersection(members, prune_members, OrFr_members(leftmost_or_fr));
|
|
if (members) {
|
|
for (i = 0; i < number_workers; i++) {
|
|
if (BITMAP_member(members, i) &&
|
|
BRANCH_LTT(i, depth) > ltt &&
|
|
EQUAL_OR_YOUNGER_CP(GetOrFr_node(leftmost_or_fr), REMOTE_pruning_scope(i)))
|
|
return leftmost_or_fr;
|
|
}
|
|
BITMAP_minus(prune_members, members);
|
|
}
|
|
/* reaching that point we should update the nearest leftnode data before return */
|
|
leftmost_or_fr = OrFr_nearest_leftnode(leftmost_or_fr);
|
|
depth = OrFr_depth(leftmost_or_fr);
|
|
while (depth > until_depth) {
|
|
ltt = BRANCH_LTT(worker_id, depth);
|
|
BITMAP_intersection(members, prune_members, OrFr_members(leftmost_or_fr));
|
|
if (members) {
|
|
for (i = 0; i < number_workers; i++) {
|
|
if (BITMAP_member(members, i) &&
|
|
BRANCH_LTT(i, depth) > ltt &&
|
|
EQUAL_OR_YOUNGER_CP(GetOrFr_node(leftmost_or_fr), REMOTE_pruning_scope(i))) {
|
|
/* update nearest leftnode data */
|
|
OrFr_nearest_leftnode(start_or_fr) = leftmost_or_fr;
|
|
start_or_fr = OrFr_nearest_leftnode(start_or_fr);
|
|
nearest_or_fr = OrFr_nearest_leftnode(start_or_fr);
|
|
while (OrFr_depth(nearest_or_fr) > depth) {
|
|
LOCK_OR_FRAME(start_or_fr);
|
|
OrFr_nearest_leftnode(start_or_fr) = leftmost_or_fr;
|
|
UNLOCK_OR_FRAME(start_or_fr);
|
|
start_or_fr = nearest_or_fr;
|
|
nearest_or_fr = OrFr_nearest_leftnode(start_or_fr);
|
|
}
|
|
return leftmost_or_fr;
|
|
}
|
|
}
|
|
BITMAP_minus(prune_members, members);
|
|
}
|
|
leftmost_or_fr = OrFr_nearest_leftnode(leftmost_or_fr);
|
|
depth = OrFr_depth(leftmost_or_fr);
|
|
}
|
|
/* update nearest leftnode data */
|
|
OrFr_nearest_leftnode(start_or_fr) = leftmost_or_fr;
|
|
start_or_fr = OrFr_nearest_leftnode(start_or_fr);
|
|
nearest_or_fr = OrFr_nearest_leftnode(start_or_fr);
|
|
while (OrFr_depth(nearest_or_fr) > depth) {
|
|
LOCK_OR_FRAME(start_or_fr);
|
|
OrFr_nearest_leftnode(start_or_fr) = leftmost_or_fr;
|
|
UNLOCK_OR_FRAME(start_or_fr);
|
|
start_or_fr = nearest_or_fr;
|
|
nearest_or_fr = OrFr_nearest_leftnode(start_or_fr);
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
#endif /* TABLING_INNER_CUTS */
|
|
|
|
|
|
|
|
/* ------------------------------------------------ **
|
|
** Cut Stuff: Managing query goal answers **
|
|
** ------------------------------------------------ */
|
|
|
|
static inline
|
|
void CUT_store_answer(or_fr_ptr or_frame, qg_ans_fr_ptr new_answer) {
|
|
int ltt;
|
|
qg_sol_fr_ptr *solution_ptr;
|
|
|
|
ltt = BRANCH_LTT(worker_id, OrFr_depth(or_frame));
|
|
solution_ptr = & OrFr_qg_solutions(or_frame);
|
|
while (*solution_ptr && ltt > SolFr_ltt(*solution_ptr)) {
|
|
solution_ptr = & SolFr_next(*solution_ptr);
|
|
}
|
|
if (*solution_ptr && ltt == SolFr_ltt(*solution_ptr)) {
|
|
AnsFr_next(SolFr_last(*solution_ptr)) = new_answer;
|
|
SolFr_last(*solution_ptr) = new_answer;
|
|
} else {
|
|
qg_sol_fr_ptr new_solution;
|
|
ALLOC_QG_SOLUTION_FRAME(new_solution);
|
|
SolFr_next(new_solution) = *solution_ptr;
|
|
SolFr_ltt(new_solution) = ltt;
|
|
SolFr_first(new_solution) = new_answer;
|
|
SolFr_last(new_solution) = new_answer;
|
|
*solution_ptr = new_solution;
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void CUT_store_answers(or_fr_ptr or_frame, qg_sol_fr_ptr new_solution) {
|
|
int ltt;
|
|
qg_sol_fr_ptr *solution_ptr;
|
|
|
|
ltt = BRANCH_LTT(worker_id, OrFr_depth(or_frame));
|
|
solution_ptr = & OrFr_qg_solutions(or_frame);
|
|
while (*solution_ptr && ltt > SolFr_ltt(*solution_ptr)) {
|
|
solution_ptr = & SolFr_next(*solution_ptr);
|
|
}
|
|
if (*solution_ptr && ltt == SolFr_ltt(*solution_ptr)) {
|
|
AnsFr_next(SolFr_last(*solution_ptr)) = SolFr_first(new_solution);
|
|
SolFr_last(*solution_ptr) = SolFr_last(new_solution);
|
|
FREE_QG_SOLUTION_FRAME(new_solution);
|
|
} else {
|
|
SolFr_next(new_solution) = *solution_ptr;
|
|
SolFr_ltt(new_solution) = ltt;
|
|
*solution_ptr = new_solution;
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void CUT_join_answers_in_an_unique_frame(qg_sol_fr_ptr join_solution) {
|
|
qg_sol_fr_ptr next_solution;
|
|
|
|
while ((next_solution = SolFr_next(join_solution))) {
|
|
AnsFr_next(SolFr_last(join_solution)) = SolFr_first(next_solution);
|
|
SolFr_last(join_solution) = SolFr_last(next_solution);
|
|
SolFr_next(join_solution) = SolFr_next(next_solution);
|
|
FREE_QG_SOLUTION_FRAME(next_solution);
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void CUT_free_solution_frame(qg_sol_fr_ptr solution) {
|
|
qg_ans_fr_ptr current_answer, next_answer;
|
|
|
|
current_answer = SolFr_first(solution);
|
|
do {
|
|
next_answer = AnsFr_next(current_answer);
|
|
FREE_QG_ANSWER_FRAME(current_answer);
|
|
current_answer = next_answer;
|
|
} while (current_answer);
|
|
FREE_QG_SOLUTION_FRAME(solution);
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
void CUT_free_solution_frames(qg_sol_fr_ptr current_solution) {
|
|
qg_sol_fr_ptr next_solution;
|
|
|
|
while (current_solution) {
|
|
next_solution = SolFr_next(current_solution);
|
|
CUT_free_solution_frame(current_solution);
|
|
current_solution = next_solution;
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
static inline
|
|
qg_sol_fr_ptr CUT_prune_solution_frames(qg_sol_fr_ptr solutions, int ltt) {
|
|
qg_sol_fr_ptr next_solution;
|
|
|
|
while (solutions && ltt > SolFr_ltt(solutions)) {
|
|
next_solution = SolFr_next(solutions);
|
|
CUT_free_solution_frame(solutions);
|
|
solutions = next_solution;
|
|
}
|
|
return solutions;
|
|
}
|