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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 Takwrap.  If not, see <https://www.gnu.org/licenses/>.
*/

#include <stdlib.h>
#include <stdint.h>

#include <actions.h>
#include <hashtable.h>


// ===================================================================
// Types
// ===================================================================

enum TT_FLAG { TT_EXACT, TT_LOWERBOUND, TT_UPPERBOUND };

typedef struct tt_entry_s {
	uint64_t key;
	enum TT_FLAG flag;
	uint8_t depth;
	float value;
	action_t action;
} tt_entry_t;

// ===================================================================
// 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);