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137 lines
5.6 KiB
137 lines
5.6 KiB
/*
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* test_arr.h - header file for some routines and macros involving tests and
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* the like for Freecell Solver.
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*
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* Written by Shlomi Fish (shlomif@vipe.technion.ac.il), 2002
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*
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* This file is in the public domain (it's uncopyrighted).
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* */
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#ifndef FC_SOLVE__TEST_ARR_H
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#define FC_SOLVE__TEST_ARR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef int (*freecell_solver_solve_for_state_test_t)(
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freecell_solver_soft_thread_t *,
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fcs_state_with_locations_t *,
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int,
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int,
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fcs_derived_states_list_t *,
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int
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);
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extern freecell_solver_solve_for_state_test_t freecell_solver_sfs_tests[FCS_TESTS_NUM];
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/*
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* This macro determines if child can be placed above parent.
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*
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* The variable sequences_are_built_by has to be initialized to
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* the sequences_are_built_by member of the instance.
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*
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* */
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#define fcs_is_parent_card(child, parent) \
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((fcs_card_card_num(child)+1 == fcs_card_card_num(parent)) && \
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((sequences_are_built_by == FCS_SEQ_BUILT_BY_RANK) ? \
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1 : \
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((sequences_are_built_by == FCS_SEQ_BUILT_BY_SUIT) ? \
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(fcs_card_suit(child) == fcs_card_suit(parent)) : \
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((fcs_card_suit(child) & 0x1) != (fcs_card_suit(parent)&0x1)) \
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)) \
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)
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/*
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* This macro traces the path of the state up to the original state,
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* and thus calculates its real depth.
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*
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* It then assigns the newly updated depth throughout the path.
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*
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* */
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#define calculate_real_depth(ptr_state_orig) \
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{ \
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if (calc_real_depth) \
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{ \
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int this_real_depth = 0; \
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fcs_state_with_locations_t * ptr_state = (ptr_state_orig); \
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/* Count the number of states until the original state. */ \
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while(ptr_state != NULL) \
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{ \
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ptr_state = ptr_state->parent; \
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this_real_depth++; \
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} \
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this_real_depth--; \
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ptr_state = (ptr_state_orig); \
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/* Assign the new depth throughout the path*/ \
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while (ptr_state->depth != this_real_depth) \
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{ \
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ptr_state->depth = this_real_depth; \
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this_real_depth--; \
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ptr_state = ptr_state->parent; \
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} \
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} \
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} \
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/*
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* This macro marks a state as a dead end, and afterwards propogates
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* this information to its parent and ancestor states.
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* */
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#define mark_as_dead_end(ptr_state_input) \
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{ \
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if (scans_synergy) \
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{ \
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fcs_state_with_locations_t * ptr_state = (ptr_state_input); \
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/* Mark as a dead end */ \
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ptr_state->visited |= FCS_VISITED_DEAD_END; \
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ptr_state = ptr_state->parent; \
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if (ptr_state != NULL) \
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{ \
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/* Decrease the refcount of the state */ \
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ptr_state->num_active_children--; \
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while((ptr_state->num_active_children == 0) && (ptr_state->visited & FCS_VISITED_ALL_TESTS_DONE)) \
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{ \
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/* Mark as dead end */ \
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ptr_state->visited |= FCS_VISITED_DEAD_END; \
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/* Go to its parent state */ \
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ptr_state = ptr_state->parent; \
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if (ptr_state == NULL) \
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{ \
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break; \
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} \
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/* Decrease the refcount */ \
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ptr_state->num_active_children--; \
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} \
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} \
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} \
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}
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/*
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* This macro checks if we need to terminate from running this soft
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* thread and return to the soft thread manager with an
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* FCS_STATE_SUSPEND_PROCESS
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* */
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#define check_if_limits_exceeded() \
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( \
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((instance->max_num_times >= 0) && \
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(instance->num_times >= instance->max_num_times)) \
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|| \
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((hard_thread->ht_max_num_times >= 0) && \
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(hard_thread->num_times >= hard_thread->ht_max_num_times)) \
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|| \
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((hard_thread->max_num_times >= 0) && \
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(hard_thread->num_times >= hard_thread->max_num_times)) \
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|| \
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((instance->max_num_states_in_collection >= 0) && \
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(instance->num_states_in_collection >= \
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instance->max_num_states_in_collection) \
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) \
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)
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#ifdef __cplusplus
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}
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#endif
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#endif
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