/* $Header: /tmp_mnt/vida/disks/disk5/Users/terry/r/gassy/RCS/app_externs.h,v 1.2 1992/09/22 00:02:54 terry Exp terry $ */
/*
 * These must all be defined by every application.h
 */

#if defined(APP_HAS_COMMAND_LINE_OPTIONS)
extern OPTION app_options[];
#if defined(APP_WANTS_ADDITIONAL_OPTION_CHECKING)
extern VOID app_check_options();
#endif
#endif

#if defined(APP_NEEDS_TO_INITIALIZE)
extern VOID app_initialize();
#endif

#if defined(APP_PRINTS_STATS_EACH_GENERATION)
extern VOID app_generation();
#if defined(APP_PRINTS_STATS_AT_END)
extern VOID app_print_stats();
#endif
#endif

#if defined(APP_INDIVIDUALS_ARE_PRINTABLE_STRINGS)
#define print_individual(fp, individual) fprintf((fp), "%s", (individual)->genome)
#else
#define app_print_individual print_individual
extern VOID app_print_individual();
#endif

#if ! defined(APP_INDIVIDUALS_ARE_STRINGS) || ! defined(APP_INDIVIDUALS_HAVE_CONSTANT_SIZE)
extern VOID app_random_individual();
#endif

#if defined(APP_WANTS_TO_DUMP)
extern VOID app_dump_state();
extern VOID app_restore_state();
#endif

#if defined(APP_INDIVIDUALS_HAVE_CONSTANT_SIZE)
extern INT app_individual_size();
#endif

#if defined(APP_NOISY_FITNESS_FUNCTION)
VOID app_evaluate_population();
#else
FITNESS app_evaluate_individual();
#endif

#if defined(APP_INDIVIDUALS_HAVE_CONSTANT_SIZE) && defined(APP_INDIVIDUALS_ARE_STRINGS)
#if defined(APP_INDIVIDUALS_ARE_BINARY)
#if ! defined(APP_INDIVIDUALS_HAVE_EQUAL_PROB_ALLELES)
/* (2) Constant length binary strings with unequal probabilities. */
extern VOID app_allele_probabilities();
#endif
#else
#if defined(APP_INDIVIDUALS_HAVE_EQUAL_PROB_ALLELES)
/* (3) Constant length non binary strings with equal probabilities. */
extern VOID app_allele_possibilities();
#else
/* (4) Constant length non binary strings with unequal probabilities. We can't help. */
extern VOID app_initial_population_alleles();
#endif
#endif
#endif

#if defined(APP_INDIVIDUALS_HAVE_CONSTANT_SIZE) && defined(APP_INDIVIDUALS_ARE_STRINGS) && \
    defined(APP_ALLELE_PROBS_CHANGE) && ! defined(APP_ALLELE_PROBS_CHANGE_TO_EQUAL)
extern VOID app_mutation_allele_probabilities();
#endif

#if defined(APP_HAS_ITS_OWN_SURVIVOR_METHODS)
extern FUNCTION app_survivor_functions[];
#endif

#if defined(APP_HAS_ITS_OWN_CROSSOVER_METHODS)
extern FUNCTION app_crossover_functions[];
#endif

#if defined(APP_HAS_ITS_OWN_SELECTION_METHODS)
extern FUNCTION app_selection_functions[];
#endif

#if defined(APP_HAS_ITS_OWN_MUTATION_METHODS)
extern FUNCTION app_mutation_functions[];
#endif