Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2011-2015:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Sebastian Reiter
       4              :  * 
       5              :  * This file is part of UG4.
       6              :  * 
       7              :  * UG4 is free software: you can redistribute it and/or modify it under the
       8              :  * terms of the GNU Lesser General Public License version 3 (as published by the
       9              :  * Free Software Foundation) with the following additional attribution
      10              :  * requirements (according to LGPL/GPL v3 §7):
      11              :  * 
      12              :  * (1) The following notice must be displayed in the Appropriate Legal Notices
      13              :  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
      14              :  * 
      15              :  * (2) The following notice must be displayed at a prominent place in the
      16              :  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
      17              :  * 
      18              :  * (3) The following bibliography is recommended for citation and must be
      19              :  * preserved in all covered files:
      20              :  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
      21              :  *   parallel geometric multigrid solver on hierarchically distributed grids.
      22              :  *   Computing and visualization in science 16, 4 (2013), 151-164"
      23              :  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
      24              :  *   flexible software system for simulating pde based models on high performance
      25              :  *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
      26              :  * 
      27              :  * This program is distributed in the hope that it will be useful,
      28              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      29              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      30              :  * GNU Lesser General Public License for more details.
      31              :  */
      32              : 
      33              : #include "binary_buffer.h"
      34              : 
      35              : namespace ug
      36              : {
      37              : 
      38            0 : BinaryBuffer::BinaryBuffer() :
      39            0 :         m_readPos(0), m_writePos(0)
      40              : {
      41            0 : }
      42              : 
      43            0 : BinaryBuffer::BinaryBuffer(size_t bufSize) :
      44            0 :         m_data(bufSize), m_readPos(0), m_writePos(0)
      45              : {
      46            0 : }
      47              : 
      48            0 : void BinaryBuffer::clear()
      49              : {
      50              : //      PLEASE NOTE: There are classes and algorithms that rely on the
      51              : //      fact, that clear does not release the memory in m_data.
      52              : //      Please do not change this behavior - or severe performance
      53              : //      drawbacks will be the result. (Note that this behavior can
      54              : //      also be found in the stl::vector implementations).
      55            0 :         m_readPos = m_writePos = 0;
      56            0 : }
      57              : 
      58            0 : void BinaryBuffer::reserve(size_t newSize)
      59              : {
      60            0 :         if(newSize > m_data.size())
      61            0 :                 m_data.resize(newSize);
      62            0 : }
      63              : 
      64            0 : void BinaryBuffer::set_read_pos(size_t pos)
      65              : {
      66            0 :         m_readPos = pos;
      67            0 : }
      68              : 
      69            0 : void BinaryBuffer::set_write_pos(size_t pos)
      70              : {
      71            0 :         m_writePos = pos;
      72            0 : }
      73              : 
      74              : }//     end of namespace