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/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#ifdef FIX_CLASS
FixStyle(controller,FixController)
#else
#ifndef LMP_FIX_CONTROLLER_H
#define LMP_FIX_CONTROLLER_H
#include "fix.h"
namespace LAMMPS_NS {
class FixController : public Fix {
public:
FixController(class LAMMPS *, int, char **);
~FixController();
int setmask();
void init();
void end_of_step();
void reset_dt();
double compute_vector(int);
private:
double kp,ki,kd,alpha,tau;
double setpoint;
int pvwhich,pvindex;
char *pvID,*cvID;
int firsttime;
double control,err,olderr,deltaerr,sumerr;
class Compute *pcompute;
class Fix *pfix;
int pvar,cvar;
};
}
#endif
#endif
/* ERROR/WARNING messages:
E: Illegal ... command
UNDOCUMENTED
E: Compute ID for fix controller does not exist
UNDOCUMENTED
E: Fix controller compute does not calculate a global scalar or vector
UNDOCUMENTED
E: Fix controller compute vector is accessed out-of-range
UNDOCUMENTED
E: Fix ID for fix controller does not exist
UNDOCUMENTED
E: Fix controller fix does not calculate a global scalar or vector
UNDOCUMENTED
E: Fix controller fix vector is accessed out-of-range
UNDOCUMENTED
E: Variable name for fix controller does not exist
UNDOCUMENTED
E: Fix controller variable is not equal-style variable
UNDOCUMENTED
E: Fix controller variable is not internal-style variable
UNDOCUMENTED
*/