mersenne.h

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/* BSD 3-Clause License
 *
 * Copyright © 2008-2025, Jice and the libtcod contributors.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */
#pragma once
#ifndef TCOD_RANDOM_H_
#define TCOD_RANDOM_H_
 
#include "mersenne_types.h"
#include "portability.h"

#ifdef __cplusplus
extern "C" {
#endif
TCODLIB_API TCOD_Random* TCOD_random_get_instance(void);
TCODLIB_API TCOD_Random* TCOD_random_new(TCOD_random_algo_t algo);
TCODLIB_API TCOD_Random* TCOD_random_save(TCOD_Random* mersenne);
TCODLIB_API void TCOD_random_restore(TCOD_Random* mersenne, TCOD_Random* backup);
TCODLIB_API TCOD_Random* TCOD_random_new_from_seed(TCOD_random_algo_t algo, uint32_t seed);
TCODLIB_API void TCOD_random_delete(TCOD_Random* mersenne);
 
TCODLIB_API void TCOD_random_set_distribution(TCOD_Random* mersenne, TCOD_distribution_t distribution);
 
TCODLIB_API int TCOD_random_get_int(TCOD_Random* mersenne, int min, int max);
TCODLIB_API float TCOD_random_get_float(TCOD_Random* mersenne, float min, float max);
TCODLIB_API double TCOD_random_get_double(TCOD_Random* mersenne, double min, double max);
 
TCODLIB_API int TCOD_random_get_int_mean(TCOD_Random* mersenne, int min, int max, int mean);
TCODLIB_API float TCOD_random_get_float_mean(TCOD_Random* mersenne, float min, float max, float mean);
TCODLIB_API double TCOD_random_get_double_mean(TCOD_Random* mersenne, double min, double max, double mean);
 
TCODLIB_API TCOD_dice_t TCOD_random_dice_new(const char* s);
TCODLIB_API int TCOD_random_dice_roll(TCOD_Random* mersenne, TCOD_dice_t dice);
TCODLIB_API int TCOD_random_dice_roll_s(TCOD_Random* mersenne, const char* s);
#ifdef __cplusplus
}
#endif
#endif  // TCOD_RANDOM_H_