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/* Copyright (c) 2019, Anthony Latorre <tlatorre at uchicago>
*
* 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
* this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef RANDOM_H
#define RANDOM_H
#include "mt19937ar.h"
#include <stdlib.h> /* for size_t */
double randn(void);
void rand_ball(double *pos, double radius);
void rand_sphere(double *dir);
void ran_choose_weighted(int *dest, double *w, size_t k, int *src, size_t n);
#endif
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