utilities.h

#pragma once
 
namespace gtsam {
struct RedirectCout {
  RedirectCout() : ssBuffer_(), coutBuffer_(std::cout.rdbuf(ssBuffer_.rdbuf())) {}
 
  std::string str() const {
    return ssBuffer_.str();
  }
 
  ~RedirectCout() {
    std::cout.rdbuf(coutBuffer_);
  }
 
private:
  std::stringstream ssBuffer_;
  std::streambuf* coutBuffer_;
};
 
}