Function alpha_hash_value

Core/SoarKernel/src/rete.cpp:1490–1497

--- Returns hash value for the given id/attr/value symbols --- */ define alpha_hash_value(i,a,v,num_bits) \ ( ( ((i) ? ((Symbol *)(i))->hash_id : 0) ^ \ ((a) ? ((Symbol *)(a))->hash_id : 0) ^ \ ((v) ? ((Symbol *)(v))->hash_id : 0) ) & \ masks_for_n_low_order_bits[(num_bits)] )*/

     ((v) ? ((Symbol *)(v))->hash_id : 0) ) & \
   masks_for_n_low_order_bits[(num_bits)] )*/
inline uint32_t alpha_hash_value(Symbol* i, Symbol* a, Symbol* v, short num_bits)
{
    return
        (((i ? i->hash_id : 0) ^
          (a ? a->hash_id : 0) ^
          (v ? v->hash_id : 0)) &
         masks_for_n_low_order_bits[(num_bits)]);
}

/* --- rehash funciton for resizable hash table routines --- */
uint32_t hash_alpha_mem(void* item, short num_bits)