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/*
* This file is part of the HDRL
* Copyright (C) 2016 European Southern Observatory
*
* 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 2 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef HDRL_RANDOM_H
#define HDRL_RANDOM_H
#include <cpl.h>
#include <stdint.h>
CPL_BEGIN_DECLS
/*-----------------------------------------------------------------------------
Experimental declarations - can be used, but no guarantees on api stability
-----------------------------------------------------------------------------*/
#if defined HDRL_USE_EXPERIMENTAL || defined HDRL_USE_PRIVATE
/* currently intended for unit/regression testing purposes only */
typedef struct hdrl_random_state_ hdrl_random_state;
hdrl_random_state * hdrl_random_state_new(int type, uint64_t * seed);
void hdrl_random_state_delete(hdrl_random_state * state);
int64_t hdrl_random_uniform_int64(hdrl_random_state * state,
int64_t minval, int64_t maxval);
double hdrl_random_uniform_double(hdrl_random_state * state,
double minval, double maxval);
uint64_t hdrl_random_poisson(hdrl_random_state * state, double lam);
double hdrl_random_normal(hdrl_random_state * state, double mean, double sigma);
#endif
CPL_END_DECLS
#endif
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