#include "expression.h" extern func_t f_add; extern func_t f_sub; extern func_t f_mul; extern func_t f_div; extern func_t f_mod; extern func_t f_pow; extern args_t c_binop; extern func_t f_neg; extern func_t f_abs; extern args_t c_unop; extern func_t f_gt; extern func_t f_ge; extern func_t f_lt; extern func_t f_le; extern func_t f_eq; extern func_t f_ne; extern args_t c_cmpop; extern func_t f_and; extern func_t f_or; extern func_t f_and2; extern func_t f_or2; extern func_t f_bitand; extern func_t f_bitor; extern func_t f_bitxor; extern args_t c_logop; extern func_t f_shiftl; extern func_t f_shiftr; extern func_t f_shiftru; extern args_t c_shiftop; extern func_t f_not; extern func_t f_bitnot; extern args_t c_not; extern func_t f_sqrt; extern func_t f_sin; extern func_t f_cos; extern func_t f_tan; extern func_t f_acos; extern func_t f_asin; extern args_t c_double1; extern func_t f_exp; extern func_t f_log; extern func_t f_atan; extern args_t c_double12; extern func_t f_int; extern args_t c_int; extern func_t f_float; extern args_t c_float; extern func_t f_double; extern args_t c_double; extern func_t f_round; extern args_t c_round; extern func_t f_eval; extern args_t c_eval; extern func_t f_if; extern args_t c_if; extern func_t f_isnull; extern args_t c_isnull; extern func_t f_graph; extern args_t c_graph; extern func_t f_min; extern func_t f_max; extern func_t f_nmin; extern func_t f_nmax; extern args_t c_varop; extern func_t f_median; extern func_t f_nmedian; extern args_t c_median; extern func_t f_mode; extern func_t f_nmode; extern args_t c_mode; extern func_t f_rand; extern args_t c_binop; extern func_t f_null; extern func_t f_col; extern func_t f_row; extern func_t f_depth; extern args_t c_int0; extern func_t f_x; extern func_t f_y; extern func_t f_z; extern func_t f_ewres; extern func_t f_nsres; extern func_t f_tbres; extern args_t c_double0;