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[yul-phaser] Add random number generators using Mersenne Twister from boost

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This commit is contained in:
cameel 2020-01-17 07:42:43 +01:00
parent 21a2b69f74
commit 57ab8922cd
3 changed files with 74 additions and 0 deletions
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2
tools/CMakeLists.txt
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@ -17,6 +17,8 @@ add_executable(yul-phaser
yulPhaser/main.cpp
yulPhaser/Program.h
yulPhaser/Program.cpp
yulPhaser/Random.h
yulPhaser/Random.cpp
)
target_link_libraries(yul-phaser PRIVATE solidity Boost::program_options)

44
tools/yulPhaser/Random.cpp Normal file
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@ -0,0 +1,44 @@
/*
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/>.
*/
#include <tools/yulPhaser/Random.h>
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int_distribution.hpp>
#include <boost/random/binomial_distribution.hpp>
#include <ctime>
using namespace solidity;
uint32_t phaser::uniformRandomInt(uint32_t _min, uint32_t _max)
{
// TODO: Seed must be configurable
static boost::random::mt19937 generator(time(0));
boost::random::uniform_int_distribution<> distribution(_min, _max);
return distribution(generator);
}
uint32_t phaser::binomialRandomInt(uint32_t _numTrials, double _successProbability)
{
// TODO: Seed must be configurable
static boost::random::mt19937 generator(time(0));
boost::random::binomial_distribution<> distribution(_numTrials, _successProbability);
return distribution(generator);
}

28
tools/yulPhaser/Random.h Normal file
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@ -0,0 +1,28 @@
/*
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 <cstdint>
namespace solidity::phaser
{
uint32_t uniformRandomInt(uint32_t _min, uint32_t _max);
uint32_t binomialRandomInt(uint32_t _numTrials, double _successProbability);
}