mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
43 lines
1.4 KiB
C++
43 lines
1.4 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/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
|
|
#include <test/tools/ossfuzz/cdclsolver/ConstraintGenerator.h>
|
|
|
|
using namespace std;
|
|
using namespace solidity::test::fuzzer::cdclsolver;
|
|
|
|
ConstraintGenerator::ConstraintGenerator(unsigned int _seed)
|
|
{
|
|
prng = make_shared<RandomEngine>(_seed);
|
|
}
|
|
|
|
string ConstraintGenerator::generate()
|
|
{
|
|
string constraint;
|
|
for (int i = 0; i < numConstraints(); i++)
|
|
{
|
|
// First entry is always constraint type. If it is equal to "1", it is an equality constraint
|
|
// otherwise an less-than-equal constraint.
|
|
constraint += to_string(zeroOrOne());
|
|
for (int j = 0; j < numFactors(); j++)
|
|
if (bernoulliDist(s_piecewiseConstantProb))
|
|
constraint += ",0";
|
|
else
|
|
constraint += "," + to_string(randomInteger());
|
|
constraint += "\n";
|
|
}
|
|
return constraint;
|
|
}
|