message: Fixed the license statement
diff: // Hossein Moein
  // September 11, 2017
  -// Copyright (C) 2019-2022 Hossein Moein
  -// Distributed under the BSD Software License (see file License)
  +/*
  +Copyright (c) 2019-2022, Hossein Moein
  +All rights reserved.
  +
  +Redistribution and use in source and binary forms, with or without
  +modification, are permitted provided that the following conditions are met:
  +* Redistributions of source code must retain the above copyright
  +notice, this list of conditions and the following disclaimer.
  +* Redistributions in binary form must reproduce the above copyright
  +notice, this list of conditions and the following disclaimer in the
  +documentation and/or other materials provided with the distribution.
  +* Neither the name of Hossein Moein and/or the DataFrame nor the
  +names of its contributors may be used to endorse or promote products
  +derived from this software without specific prior written permission.
  +
  +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  +DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
  +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  +*/
  #pragma once
  