Output.h

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/*
   This object outputs the data collected on the master  node
*/

#ifndef OUTPUT_H
#define OUTPUT_H

#include "common.h"

class Vector;
class FloatVector;
class Lattice;

// semaphore "steps", must be negative
#define FILE_OUTPUT -1
#define END_OF_RUN -2
#define EVAL_MEASURE -3
#define FORCE_OUTPUT -4

#define OUTPUT_SINGLE_FILE 1
#define OUTPUT_MAGIC_NUMBER 123456
#define OUTPUT_FILE_VERSION 1.00

enum OUTPUTFILETYPE {
        dcdType,
        forcedcdType,
        veldcdType,
        coorType,
        forceType,
        velType
};

class Output 
{

private:

   //  output coords to dcd file
   //  Pass non-NULL Lattice to include unit cell in the timesteps.
   void output_dcdfile(int, int, FloatVector *, const Lattice *); 
   void output_veldcdfile(int, int, Vector *);  //  output velocities to
                                                //  dcd file
   void output_forcedcdfile(int, int, Vector *); //  output forces to
                                                //  dcd file

   void output_restart_coordinates(Vector *, int, int);
                                                //  output coords to 
                                                //  restart file
   void output_restart_velocities(int, int, Vector *);
                                                //  output velocities to 
                                                //  restart file
   void output_final_coordinates(Vector *, int, int);//  output final coordinates
   void output_final_velocities(int, int, Vector *);    //  output final coordinates
   void output_forces(int, int, Vector *);      //  output forces

   void scale_vels(Vector *, int, Real);        //  scale velocity vectors before output
   void write_binary_file(char *, int, Vector *); // Write a binary restart file with
                                                //  coordinates or velocities
public :
   Output();                                    //  Constructor
   ~Output();                                   //  Destructor
   void energy(int, BigReal *);                 //  Output energies

   static int coordinateNeeded(int);
   void coordinate(int, int, Vector *, FloatVector *, Lattice &);
                                                //  Produce appropriate 
                                                //  coordinate output for 
                                                //  the current timestep
   static int velocityNeeded(int);
   void velocity(int, int, Vector *);           //  Produce appropriate velocity
                                                //  output for the current 
                                                //  timestep
   static int forceNeeded(int);
   void force(int, int, Vector *);              //  Produce appropriate force
                                                //  output for the current 
                                                //  timestep
};

#ifdef MEM_OPT_VERSION
class ParOutput{
private:
    void output_veldcdfile_master(int timestep, int n);
    void output_veldcdfile_slave(int timestep, int fID, int tID, Vector *vecs);
    void output_restart_velocities_master(int timestep, int n);
    void output_restart_velocities_slave(int timestep, int fID, int tID, Vector *vecs, int64 offset);
    void output_final_velocities_master(int n);
    void output_final_velocities_slave(int fID, int tID, Vector *vecs, int64 offset);

    void output_forcedcdfile_master(int timestep, int n);
    void output_forcedcdfile_slave(int timestep, int fID, int tID, Vector *vecs);
    void output_forces_master(int n);
    void output_forces_slave(int fID, int tID, Vector *vecs, int64 offset);

    void output_dcdfile_master(int timestep, int n, const Lattice *lat);
    void output_dcdfile_slave(int timestep, int fID, int tID, FloatVector *fvecs);
    void output_restart_coordinates_master(int timestep, int n);
    void output_restart_coordinates_slave(int timestep, int fID, int tID, Vector *vecs, int64 offset);
    void output_final_coordinates_master(int n);
    void output_final_coordinates_slave(int fID, int tID, Vector *vecs, int64 offset);

    void write_binary_file_master(char *fname, int n);
    void write_binary_file_slave(char *fname, int fID, int tID, Vector *vecs, int64 offset);

        #if !OUTPUT_SINGLE_FILE
        char *buildFileName(OUTPUTFILETYPE type, int timestep=-9999);
        #endif

    int dcdFileID;
    Bool dcdFirst;
    float *dcdX, *dcdY, *dcdZ;

    int veldcdFileID;
    Bool veldcdFirst;    
    float *veldcdX, *veldcdY, *veldcdZ;

    int forcedcdFileID;
    Bool forcedcdFirst;    
    float *forcedcdX, *forcedcdY, *forcedcdZ;

        int outputID; //the sequence of this output

public:
    ParOutput(int oid=-1){
        dcdFileID=veldcdFileID=-99999;
        forcedcdFileID=-99999;
        dcdFirst=veldcdFirst=TRUE;
        forcedcdFirst=TRUE;
        dcdX=dcdY=dcdZ=veldcdX=veldcdY=veldcdZ=NULL;
        forcedcdX=forcedcdY=forcedcdZ=NULL;
                outputID=oid;
    }
    ~ParOutput() {}

    void velocityMaster(int timestep, int n);
    void velocitySlave(int timestep, int fID, int tID, Vector *vecs);

    void forceMaster(int timestep, int n);
    void forceSlave(int timestep, int fID, int tID, Vector *vecs);

    void coordinateMaster(int timestep, int n, Lattice &lat);
    void coordinateSlave(int timestep, int fID, int tID, Vector *vecs, FloatVector *fvecs);
};
#endif

#endif

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