Function doubleEqual

check/TestPresolve.cpp:8–10

const bool dev_run = false;

bool doubleEqual(const double v0, const double v1) {
  return std::fabs(v0 - v1) < 1e-8;
}

void presolveSolvePostsolve(const std::string& model_file,
                            const bool solve_relaxation = false);