scoped_timer.hpp

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// Copyright (c) 2025--present, The Simons Foundation
// This file is part of TRIQS/modest and is licensed under the terms of GPLv3 or later.
// SPDX-License-Identifier: GPL-3.0-or-later
// See LICENSE in the root of this distribution for details.
 
#pragma once
 
#include <chrono>
#include <iostream>
 
namespace triqs {
 
  class scoped_timer {
    std::chrono::time_point<std::chrono::high_resolution_clock> start;
 
    public:
    scoped_timer() : start(std::chrono::high_resolution_clock::now()) {}
 
    ~scoped_timer() {
      auto end                              = std::chrono::high_resolution_clock::now();
      std::chrono::duration<double> elapsed = end - start;
      std::cerr << "Execution time: " << elapsed.count() << " seconds\n";
    }
  };
} // namespace triqs