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/*
This file is part of ct.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with ct. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef TT_LLCHT_H
#define TT_LLCHT_H
#include <stdint.h>
#include <stdlib.h>
#include <actions.h>
// ===================================================================
// Types
// ===================================================================
enum TT_FLAG { TT_EXACT, TT_LOWERBOUND, TT_UPPERBOUND };
typedef struct tt_node_s {
uint64_t key;
struct tt_node_s *next;
enum TT_FLAG flag;
uint8_t depth;
float value;
action_t action;
} tt_entry_t;
// ===================================================================
// Variables
// ===================================================================
#define TT_LLCHT_SIZE ((uint32_t)((1 << 19) - 1))
// ===================================================================
// Methods
// ===================================================================
int tt_init(void);
void tt_free(void);
tt_entry_t *tt_seek(const uint64_t key);
int tt_insert(const uint64_t key, const enum TT_FLAG flag, const uint8_t depth,
const float value, const action_t action);
#endif
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