function.c

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#include <grass/calc.h>
 
func_desc calc_func_descs[] = {{"add", c_varop, f_add},
                               {"sub", c_binop, f_sub},
                               {"mul", c_varop, f_mul},
                               {"div", c_binop, f_div},
                               {"mod", c_binop, f_mod},
                               {"pow", c_binop, f_pow},
 
                               {"neg", c_unop, f_neg},
                               {"abs", c_unop, f_abs},
                               {"ceil", c_unop, f_ceil},
                               {"floor", c_unop, f_floor},
 
                               {"gt", c_cmpop, f_gt},
                               {"ge", c_cmpop, f_ge},
                               {"lt", c_cmpop, f_lt},
                               {"le", c_cmpop, f_le},
                               {"eq", c_cmpop, f_eq},
                               {"ne", c_cmpop, f_ne},
 
                               {"and", c_logop, f_and},
                               {"or", c_logop, f_or},
 
                               {"and2", c_logop, f_and2},
                               {"or2", c_logop, f_or2},
 
                               {"not", c_not, f_not},
 
                               {"bitand", c_logop, f_bitand},
                               {"bitor", c_logop, f_bitor},
                               {"xor", c_logop, f_bitxor},
 
                               {"shiftl", c_shiftop, f_shiftl},
                               {"shiftr", c_shiftop, f_shiftr},
                               {"shiftru", c_shiftop, f_shiftru},
 
                               {"bitnot", c_not, f_bitnot},
 
                               {"sqrt", c_double1, f_sqrt},
                               {"sin", c_double1, f_sin},
                               {"cos", c_double1, f_cos},
                               {"tan", c_double1, f_tan},
                               {"acos", c_double1, f_acos},
                               {"asin", c_double1, f_asin},
 
                               {"exp", c_double12, f_exp},
                               {"log", c_double12, f_log},
                               {"atan", c_double12, f_atan},
 
                               {"int", c_int, f_int},
                               {"float", c_float, f_float},
                               {"double", c_double, f_double},
                               {"round", c_round, f_round},
 
                               {"eval", c_eval, f_eval},
                               {"if", c_if, f_if},
                               {"isnull", c_isnull, f_isnull},
 
                               {"max", c_varop, f_max},
                               {"min", c_varop, f_min},
                               {"median", c_varop, f_median},
                               {"mode", c_varop, f_mode},
 
                               {"nmax", c_varop, f_nmax},
                               {"nmin", c_varop, f_nmin},
                               {"nmedian", c_varop, f_nmedian},
                               {"nmode", c_varop, f_nmode},
 
                               {"graph", c_graph, f_graph},
                               {"graph2", c_graph, f_graph2},
 
                               {"rand", c_binop, f_rand},
 
                               {"null", c_int0, f_null},
 
                               {NULL, NULL, NULL}};