MPI_Allreduce(&error_flag, &all_success, 1, MPI_INT, MPI_MIN, world);

    if (all_success != 0) {

      if (all_success == -1)

	error->all("Accelerated style in input script but no fix gpu."); 

	error->all("Accelerated style in input script but no fix gpu"); 

      else if (all_success == -2)

	error->all("Could not find/initialize a specified accelerator device.");

	error->all("Could not find/initialize a specified accelerator device");

      else if (all_success == -3)

	error->all("Insufficient memory on accelerator.");

	error->all("Insufficient memory on accelerator");

      else if (all_success == -4)

	error->all("GPU library not compiled for this accelerator.");

	error->all("GPU library not compiled for this accelerator");

      else if (all_success == -5)

	error->all("Double precision is not supported on this accelerator.");

	error->all("Double precision is not supported on this accelerator");

      else

	error->all("Unknown error in GPU library.");

	error->all("Unknown error in GPU library");

    }

  }

// every LAMMPS class inherits from Pointers to access lammps.h ptrs

// these variables are auto-initialized by Pointer class constructor

// *& variables are really pointers to the pointers in lammps.h

// & enables them to be accessed directly in any class, e.g. error->all()

// & enables them to be accessed directly in any class, e.g. atom->x

#ifndef LMP_POINTERS_H

#define LMP_POINTERS_H