Cleanup: two space indent + no trailing spaces on lines.

/* ----------------------------------------------------------------------

   Contributing author: Alexander Stukowski (LLNL), alex@stukowski.com

                        Will Tipton (Cornell), wwt26@cornell.edu

			Dallas R. Trinkle (UIUC), dtrinkle@illinois.edu / Pinchao Zhang (UIUC)

			Dallas R. Trinkle (UIUC), dtrinkle@illinois.edu

			Pinchao Zhang (UIUC)

   see LLNL copyright notice at bottom of file

------------------------------------------------------------------------- */

 * 11-Apr-11 - AS: Adapted code to new memory management of LAMMPS.

 * 24-Sep-11 - AS: Adapted code to new interface of Error::one() function.

 * 20-Jun-13 - WT: Added support for multiple species types

 * 25-Apr-17 - DRT/PZ: Modified format of multiple species type to conform with pairing

 * 25-Apr-17 - DRT/PZ: Modified format of multiple species type to

                       conform with pairing

------------------------------------------------------------------------- */

#include "math.h"

  int ij_to_potl(int i, int j);

  int i_to_potl(int i);

  int pack_forward_comm(int, int *, double *, int, int *);

  void unpack_forward_comm(int, int, double *);

  int pack_reverse_comm(int, int, double *);

  class SplineFunction {

  public:

    /// Default constructor.

    SplineFunction() : X(NULL), Xs(NULL), Y(NULL), Y2(NULL), Ydelta(NULL), N(0) {}

  void read_file(const char* filename);

  void allocate();

};

}