solidity/tools/yulPhaser/SimulationRNG.h

41 lines
1.1 KiB
C++

/*
This file is part of solidity.
solidity 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.
solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <boost/random/mersenne_twister.hpp>
#include <cstdint>
namespace solidity::phaser
{
/**
* A class that provides functions for generating random numbers good enough for simulation purposes.
*
* The numbers are not cryptographically secure so do not use this for anything that requires
* them to be truly unpredictable.
*/
class SimulationRNG
{
public:
static uint32_t uniformInt(uint32_t _min, uint32_t _max);
static uint32_t binomialInt(uint32_t _numTrials, double _successProbability);
};
}