commonParameters.cpp

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#include "commonParameters.h"

#include "communicator.h"

#include "bridgeIO.h"
using Bridge::vout;

// initialize static parameters
// color, spinor and space-time dimension
const int CommonParameters::m_Nc   = 3;
const int CommonParameters::m_Nd   = 4;
const int CommonParameters::m_Ndim = 4;

const double CommonParameters::m_epsilon_criterion = 1.0e-16;

int CommonParameters::m_Lx   = 0;
int CommonParameters::m_Ly   = 0;
int CommonParameters::m_Lz   = 0;
int CommonParameters::m_Lt   = 0;
int CommonParameters::m_Lvol = 0;

int CommonParameters::m_NPEx = 0;
int CommonParameters::m_NPEy = 0;
int CommonParameters::m_NPEz = 0;
int CommonParameters::m_NPEt = 0;
int CommonParameters::m_NPE  = 0;

char CommonParameters::m_map_grid[] = "xyzt";

int CommonParameters::m_Nx   = 0;
int CommonParameters::m_Ny   = 0;
int CommonParameters::m_Nz   = 0;
int CommonParameters::m_Nt   = 0;
int CommonParameters::m_Nvol = 0;

//CommonParameters* CommonParameters::m_instance = 0;
bool CommonParameters::m_initialized = false;

Bridge::VerboseLevel CommonParameters::m_vlevel = Bridge::GENERAL;

//====================================================================
void CommonParameters::init(const valarray<int>& lattice_size, const valarray<int>& grid_size)
{
  if (m_initialized == true) {
    vout.crucial("CommonParameters already initialized.");
    abort();
  }

  m_Lx = lattice_size[0];
  m_Ly = lattice_size[1];
  m_Lz = lattice_size[2];
  m_Lt = lattice_size[3];

  m_NPEx = grid_size[0];
  m_NPEy = grid_size[1];
  m_NPEz = grid_size[2];
  m_NPEt = grid_size[3];

  if (check_parameters() == false) {
    vout.crucial("CommonParameters::check_parameters failed.\n");
    abort();
  }

  print_parameters();

  m_initialized = true;
}


//====================================================================
bool CommonParameters::check_parameters()
{
  if (m_Ndim == 0) return false;

  if (m_Nc == 0) return false;

  if (m_Nd == 0) return false;

  if (m_Lx == 0) return false;

  if (m_Ly == 0) return false;

  if (m_Lz == 0) return false;

  if (m_Lt == 0) return false;

  m_Lvol = m_Lx * m_Ly * m_Lz * m_Lt;

  if (m_NPE == 1) {
//    if (m_NPEx != 1 || m_NPEy != 1 || m_NPEz != 1 || m_NPEt != 1) {
//      vout.general(m_vl,stderr, "assume NPE_mu = 1\n");
//    }
    m_NPEx = m_NPEy = m_NPEz = m_NPEt = 1;
  }

  if ((m_Nx != 0) && (m_NPEx != 0) && (m_Lx != m_Nx * m_NPEx)) return false;

  if ((m_Ny != 0) && (m_NPEy != 0) && (m_Ly != m_Ny * m_NPEy)) return false;

  if ((m_Nz != 0) && (m_NPEz != 0) && (m_Lz != m_Nz * m_NPEz)) return false;

  if ((m_Nt != 0) && (m_NPEt != 0) && (m_Lt != m_Nt * m_NPEt)) return false;

  if ((m_Nx == 0) && (m_NPEx != 0)) {
    if (m_Lx % m_NPEx != 0) return false; else m_Nx = m_Lx / m_NPEx;
  }
  if ((m_Ny == 0) && (m_NPEy != 0)) {
    if (m_Ly % m_NPEy != 0) return false; else m_Ny = m_Ly / m_NPEy;
  }
  if ((m_Nz == 0) && (m_NPEz != 0)) {
    if (m_Lz % m_NPEz != 0) return false; else m_Nz = m_Lz / m_NPEz;
  }
  if ((m_Nt == 0) && (m_NPEt != 0)) {
    if (m_Lt % m_NPEt != 0) return false; else m_Nt = m_Lt / m_NPEt;
  }

  if ((m_Nx != 0) && (m_NPEx == 0)) {
    if (m_Lx % m_Nx != 0) return false; else m_NPEx = m_Lx / m_Nx;
  }
  if ((m_Ny != 0) && (m_NPEy == 0)) {
    if (m_Ly % m_Ny != 0) return false; else m_NPEy = m_Ly / m_Ny;
  }
  if ((m_Nz != 0) && (m_NPEz == 0)) {
    if (m_Lz % m_Nz != 0) return false; else m_NPEz = m_Lz / m_Nz;
  }
  if ((m_Nt != 0) && (m_NPEt == 0)) {
    if (m_Lt % m_Nt != 0) return false; else m_NPEt = m_Lt / m_Nt;
  }

  if ((m_NPEx != 0) && (m_NPEy != 0) && (m_NPEz != 0) && (m_NPEt != 0)) {
    if ((m_NPE != 0) && (m_NPE != m_NPEx * m_NPEy * m_NPEz * m_NPEt)) return false;

    if (m_NPE == 0) m_NPE = m_NPEx * m_NPEy * m_NPEz * m_NPEt;
  }

  if ((m_Nx != 0) && (m_Ny != 0) && (m_Nz != 0) && (m_Nt != 0)) {
    if ((m_Nvol != 0) && (m_Nvol != m_Nx * m_Ny * m_Nz * m_Nt)) return false;

    if (m_Nvol == 0) m_Nvol = m_Nx * m_Ny * m_Nz * m_Nt;
  }

  return true;
}


//====================================================================
void CommonParameters::print_parameters()
{
  vout.general("\n");
  vout.general("Lattice parameters:\n");
  vout.general("  Lx = %4d,  Ly = %4d,  Lz = %4d,  Lt = %4d,\n",
               m_Lx, m_Ly, m_Lz, m_Lt);
  vout.general("  Nx = %4d,  Ny = %4d,  Nz = %4d,  Nt = %4d,\n",
               m_Nx, m_Ny, m_Nz, m_Nt);
  vout.general("  NPEx =%4d,  NPEy  =%4d,  NPEz  =%4d,  NPEt  =%4d,\n",
               m_NPEx, m_NPEy, m_NPEz, m_NPEt);
  vout.general("  Lvol = %8d,  Nvol = %6d,  NPE = %6d,\n",
               m_Lvol, m_Nvol, m_NPE);
  vout.general("  Ndim = %4d\n", m_Ndim);
  vout.general("  Nc   = %4d\n", m_Nc);
  vout.general("  Nd   = %4d\n", m_Nd);
  vout.general("\n");
}


//====================================================================
//============================================================END=====