Lattice_crc.h

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/*************************************************************************************
 
    Grid physics library, www.github.com/paboyle/Grid 
 
    Source file: ./lib/lattice/Lattice_crc.h
 
    Copyright (C) 2021
 
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
    See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/*  END LEGAL */
#pragma once
 
NAMESPACE_BEGIN(Grid);
 
template<class vobj> void DumpSliceNorm(std::string s,const Lattice<vobj> &f,int mu=-1)
{
  auto ff = localNorm2(f);
  if ( mu==-1 ) mu = f.Grid()->Nd()-1;
  typedef typename vobj::tensor_reduced normtype;
  typedef typename normtype::scalar_object scalar;
  std::vector<scalar> sff;
  sliceSum(ff,sff,mu);
  for(int t=0;t<sff.size();t++){
    std::cout << s<<" "<<t<<" "<<sff[t]<<std::endl;
  }
}
 
template<class vobj> uint32_t crc(const Lattice<vobj> & buf)
{
  autoView( buf_v , buf, CpuRead);
  return ::crc32(0L,(unsigned char *)&buf_v[0],(size_t)sizeof(vobj)*buf.oSites());
}
 
#define CRC(U) std::cerr << "FingerPrint "<<__FILE__ <<" "<< __LINE__ <<" "<< #U <<" "<<crc(U)<<std::endl;
 
NAMESPACE_END(Grid);