text: /* Created by Language version: 7.7.0 */
  /* VECTORIZED */
  #define NRN_VECTORIZED 1
  #include <stdio.h>
  #include <stdlib.h>
  #include <math.h>
  #include "scoplib_ansi.h"
  #undef PI
  #define nil 0
  #include "md1redef.h"
  #include "section.h"
  #include "nrniv_mf.h"
  #include "md2redef.h"
   
  #if METHOD3
  extern int _method3;
  #endif
  
  #if !NRNGPU
  #undef exp
  #define exp hoc_Exp
  extern double hoc_Exp(double);
  #endif
   
  #define nrn_init _nrn_init__IZH
  #define _nrn_initial _nrn_initial__IZH
  #define nrn_cur _nrn_cur__IZH
  #define _nrn_current _nrn_current__IZH
  #define nrn_jacob _nrn_jacob__IZH
  #define nrn_state _nrn_state__IZH
  #define _net_receive _net_receive__IZH 
  #define states states__IZH 
   
  #define _threadargscomma_ _p, _ppvar, _thread, _nt,
  #define _threadargsprotocomma_ double* _p, Datum* _ppvar, Datum* _thread, _NrnThread* _nt,
  #define _threadargs_ _p, _ppvar, _thread, _nt
  #define _threadargsproto_ double* _p, Datum* _ppvar, Datum* _thread, _NrnThread* _nt
   	/*SUPPRESS 761*/
  	/*SUPPRESS 762*/
  	/*SUPPRESS 763*/
  	/*SUPPRESS 765*/
  	 extern double *getarg();
   /* Thread safe. No static _p or _ppvar. */
   
  #define t _nt->_t
  #define dt _nt->_dt
  #define k _p[0]
  #define a _p[1]
  #define b _p[2]
  #define c _p[3]
  #define d _p[4]
  #define vpeak _p[5]
  #define vv _p[6]
  #define vr _p[7]
  #define vt _p[8]
  #define dACH _p[9]
  #define cACH _p[10]
  #define vrACH _p[11]
  #define Cap _p[12]
  #define alphaShutdown _p[13]
  #define aMin _p[14]
  #define aMax _p[15]
  #define bACH _p[16]
  #define aACH _p[17]
  #define g _p[18]
  #define ACHshutdown _p[19]
  #define u _p[20]
  #define Du _p[21]
  #define v _p[22]
  #define _g _p[23]
  #define _tsav _p[24]
  #define _nd_area  *_ppvar[0]._pval
   
  #if MAC
  #if !defined(v)
  #define v _mlhv
  #endif
  #if !defined(h)
  #define h _mlhh
  #endif
  #endif
   
  #if defined(__cplusplus)
  extern "C" {
  #endif
   static int hoc_nrnpointerindex =  -1;
   static Datum* _extcall_thread;
   static Prop* _extcall_prop;
   /* external NEURON variables */
   /* declaration of user functions */
   static int _mechtype;
  extern void _nrn_cacheloop_reg(int, int);
  extern void hoc_register_prop_size(int, int, int);
  extern void hoc_register_limits(int, HocParmLimits*);
  extern void hoc_register_units(int, HocParmUnits*);
  extern void nrn_promote(Prop*, int, int);
  extern Memb_func* memb_func;
   
  #define NMODL_TEXT 1
  #if NMODL_TEXT
  static const char* nmodl_file_text;
  static const char* nmodl_filename;
  extern void hoc_reg_nmodl_text(int, const char*);
  extern void hoc_reg_nmodl_filename(int, const char*);
  #endif
  
   extern Prop* nrn_point_prop_;
   static int _pointtype;
   static void* _hoc_create_pnt(_ho) Object* _ho; { void* create_point_process();
   return create_point_process(_pointtype, _ho);
  }
   static void _hoc_destroy_pnt();
   static double _hoc_loc_pnt(_vptr) void* _vptr; {double loc_point_process();
   return loc_point_process(_pointtype, _vptr);
  }
   static double _hoc_has_loc(_vptr) void* _vptr; {double has_loc_point();
   return has_loc_point(_vptr);
  }
   static double _hoc_get_loc_pnt(_vptr)void* _vptr; {
   double get_loc_point_process(); return (get_loc_point_process(_vptr));
  }
   extern void _nrn_setdata_reg(int, void(*)(Prop*));
   static void _setdata(Prop* _prop) {
   _extcall_prop = _prop;
   }
   static void _hoc_setdata(void* _vptr) { Prop* _prop;
   _prop = ((Point_process*)_vptr)->_prop;
     _setdata(_prop);
   }
   /* connect user functions to hoc names */
   static VoidFunc hoc_intfunc[] = {
   0,0
  };
   static Member_func _member_func[] = {
   "loc", _hoc_loc_pnt,
   "has_loc", _hoc_has_loc,
   "get_loc", _hoc_get_loc_pnt,
   0, 0
  };
   /* declare global and static user variables */
   static int _thread1data_inuse = 0;
  static double _thread1data[1];
  #define _gth 4
  #define ACH ACH_IZH
   double ACH = 1;
  #define a_OLM_IZH _thread1data[0]
  #define a_OLM _thread[_gth]._pval[0]
  #define uinit uinit_IZH
   double uinit = 0;
   /* some parameters have upper and lower limits */
   static HocParmLimits _hoc_parm_limits[] = {
   0,0,0
  };
   static HocParmUnits _hoc_parm_units[] = {
   "uinit_IZH", "nA",
   "k", "nA/mV2",
   "a", "1/ms",
   "b", "uS",
   "c", "mV",
   "d", "nA",
   "vpeak", "mV",
   "vv", "mV",
   "vr", "mV",
   "vt", "mV",
   "dACH", "nA",
   "cACH", "mV",
   "vrACH", "mV",
   0,0
  };
   static double delta_t = 0.01;
   static double u0 = 0;
   /* connect global user variables to hoc */
   static DoubScal hoc_scdoub[] = {
   "a_OLM_IZH", &a_OLM_IZH,
   "ACH_IZH", &ACH_IZH,
   "uinit_IZH", &uinit_IZH,
   0,0
  };
   static DoubVec hoc_vdoub[] = {
   0,0,0
  };
   static double _sav_indep;
   static void nrn_alloc(Prop*);
  static void  nrn_init(_NrnThread*, _Memb_list*, int);
  static void nrn_state(_NrnThread*, _Memb_list*, int);
   static void nrn_cur(_NrnThread*, _Memb_list*, int);
  static void  nrn_jacob(_NrnThread*, _Memb_list*, int);
   
  #define _watch_array _ppvar + 3 
   static void _hoc_destroy_pnt(_vptr) void* _vptr; {
     Prop* _prop = ((Point_process*)_vptr)->_prop;
     if (_prop) { _nrn_free_watch(_prop->dparam, 3, 2);}
     destroy_point_process(_vptr);
  }
   
  static int _ode_count(int);
  static void _ode_map(int, double**, double**, double*, Datum*, double*, int);
  static void _ode_spec(_NrnThread*, _Memb_list*, int);
  static void _ode_matsol(_NrnThread*, _Memb_list*, int);
   
  #define _cvode_ieq _ppvar[5]._i
   static void _ode_matsol_instance1(_threadargsproto_);
   /* connect range variables in _p that hoc is supposed to know about */
   static const char *_mechanism[] = {
   "7.7.0",
  "IZH",
   "k",
   "a",
   "b",
   "c",
   "d",
   "vpeak",
   "vv",
   "vr",
   "vt",
   "dACH",
   "cACH",
   "vrACH",
   "Cap",
   "alphaShutdown",
   "aMin",
   "aMax",
   "bACH",
   "aACH",
   "g",
   "ACHshutdown",
   0,
   0,
   "u",
   0,
   0};
   
  extern Prop* need_memb(Symbol*);
  
  static void nrn_alloc(Prop* _prop) {
  	Prop *prop_ion;
  	double *_p; Datum *_ppvar;
    if (nrn_point_prop_) {
  	_prop->_alloc_seq = nrn_point_prop_->_alloc_seq;
  	_p = nrn_point_prop_->param;
  	_ppvar = nrn_point_prop_->dparam;
   }else{
   	_p = nrn_prop_data_alloc(_mechtype, 25, _prop);
   	/*initialize range parameters*/
   	k = 0.0011;
   	a = 0.01;
   	b = 0.0002;
   	c = -65;
   	d = 0.001;
   	vpeak = 30;
   	vv = 0;
   	vr = -70;
   	vt = -45;
   	dACH = 0;
   	cACH = 0;
   	vrACH = 0;
   	Cap = 1000;
   	alphaShutdown = 1;
   	aMin = 0.01;
   	aMax = 0.05;
   	bACH = 1.25;
   	aACH = 0.025;
   	g = 1.333;
   	ACHshutdown = 0;
    }
   	_prop->param = _p;
   	_prop->param_size = 25;
    if (!nrn_point_prop_) {
   	_ppvar = nrn_prop_datum_alloc(_mechtype, 6, _prop);
    }
   	_prop->dparam = _ppvar;
   	/*connect ionic variables to this model*/
   
  }
   static void _initlists();
    /* some states have an absolute tolerance */
   static Symbol** _atollist;
   static HocStateTolerance _hoc_state_tol[] = {
   0,0
  };
   
  #define _tqitem &(_ppvar[2]._pvoid)
   static void _net_receive(Point_process*, double*, double);
   static void _thread_mem_init(Datum*);
   static void _thread_cleanup(Datum*);
   extern Symbol* hoc_lookup(const char*);
  extern void _nrn_thread_reg(int, int, void(*)(Datum*));
  extern void _nrn_thread_table_reg(int, void(*)(double*, Datum*, Datum*, _NrnThread*, int));
  extern void hoc_register_tolerance(int, HocStateTolerance*, Symbol***);
  extern void _cvode_abstol( Symbol**, double*, int);
  
   void _izh_reg() {
  	int _vectorized = 1;
    _initlists();
   	_pointtype = point_register_mech(_mechanism,
  	 nrn_alloc,nrn_cur, nrn_jacob, nrn_state, nrn_init,
  	 hoc_nrnpointerindex, 6,
  	 _hoc_create_pnt, _hoc_destroy_pnt, _member_func);
    _extcall_thread = (Datum*)ecalloc(5, sizeof(Datum));
    _thread_mem_init(_extcall_thread);
    _thread1data_inuse = 0;
   _mechtype = nrn_get_mechtype(_mechanism[1]);
       _nrn_setdata_reg(_mechtype, _setdata);
       _nrn_thread_reg(_mechtype, 1, _thread_mem_init);
       _nrn_thread_reg(_mechtype, 0, _thread_cleanup);
   #if NMODL_TEXT
    hoc_reg_nmodl_text(_mechtype, nmodl_file_text);
    hoc_reg_nmodl_filename(_mechtype, nmodl_filename);
  #endif
    hoc_register_prop_size(_mechtype, 25, 6);
    hoc_register_dparam_semantics(_mechtype, 0, "area");
    hoc_register_dparam_semantics(_mechtype, 1, "pntproc");
    hoc_register_dparam_semantics(_mechtype, 2, "netsend");
    hoc_register_dparam_semantics(_mechtype, 3, "watch");
    hoc_register_dparam_semantics(_mechtype, 4, "watch");
    hoc_register_dparam_semantics(_mechtype, 5, "cvodeieq");
   	hoc_register_cvode(_mechtype, _ode_count, _ode_map, _ode_spec, _ode_matsol);
   	hoc_register_tolerance(_mechtype, _hoc_state_tol, &_atollist);
   add_nrn_has_net_event(_mechtype);
   pnt_receive[_mechtype] = _net_receive;
   pnt_receive_size[_mechtype] = 1;
   	hoc_register_var(hoc_scdoub, hoc_vdoub, hoc_intfunc);
   	ivoc_help("help ?1 IZH C:/Users/Tyler/Desktop/git_stage/theta/sim_theta/components/mechanisms/modfiles/izh.mod\n");
   hoc_register_limits(_mechtype, _hoc_parm_limits);
   hoc_register_units(_mechtype, _hoc_parm_units);
   }
  static int _reset;
  static char *modelname = "";
  
  static int error;
  static int _ninits = 0;
  static int _match_recurse=1;
  static void _modl_cleanup(){ _match_recurse=1;}
   
  #define _deriv1_advance _thread[0]._i
  #define _dith1 1
  #define _recurse _thread[2]._i
  #define _newtonspace1 _thread[3]._pvoid
  extern void* nrn_cons_newtonspace(int);
   
  static int _ode_spec1(_threadargsproto_);
  /*static int _ode_matsol1(_threadargsproto_);*/
   static int _slist2[1];
    static int _slist1[1], _dlist1[1];
   static int states(_threadargsproto_);
   
  /*CVODE*/
   static int _ode_spec1 (double* _p, Datum* _ppvar, Datum* _thread, _NrnThread* _nt) {int _reset = 0; {
     Du = ( a_OLM * ACHshutdown + a * alphaShutdown ) * ( b * ( v - ( vr + vrACH * ( - 1.0 + ACH ) ) ) - u ) ;
     }
   return _reset;
  }
   static int _ode_matsol1 (double* _p, Datum* _ppvar, Datum* _thread, _NrnThread* _nt) {
   Du = Du  / (1. - dt*( ( ( a_OLM * ACHshutdown + a * alphaShutdown ) )*( ( ( - 1.0 ) ) ) )) ;
    return 0;
  }
   /*END CVODE*/
   
  static int states (double* _p, Datum* _ppvar, Datum* _thread, _NrnThread* _nt) {int _reset=0; int error = 0;
   { double* _savstate1 = _thread[_dith1]._pval;
   double* _dlist2 = _thread[_dith1]._pval + 1;
   int _counte = -1;
   if (!_recurse) {
   _recurse = 1;
   {int _id; for(_id=0; _id < 1; _id++) { _savstate1[_id] = _p[_slist1[_id]];}}
   error = nrn_newton_thread(_newtonspace1, 1,_slist2, _p, states, _dlist2, _ppvar, _thread, _nt);
   _recurse = 0; if(error) {abort_run(error);}}
   {
     Du = ( a_OLM * ACHshutdown + a * alphaShutdown ) * ( b * ( v - ( vr + vrACH * ( - 1.0 + ACH ) ) ) - u ) ;
     {int _id; for(_id=0; _id < 1; _id++) {
  if (_deriv1_advance) {
   _dlist2[++_counte] = _p[_dlist1[_id]] - (_p[_slist1[_id]] - _savstate1[_id])/dt;
   }else{
  _dlist2[++_counte] = _p[_slist1[_id]] - _savstate1[_id];}}}
   } }
   return _reset;}
   
  static double _watch1_cond(_pnt) Point_process* _pnt; {
   	double* _p; Datum* _ppvar; Datum* _thread; _NrnThread* _nt;
  	_thread= (Datum*)0; _nt = (_NrnThread*)_pnt->_vnt;
   	_p = _pnt->_prop->param; _ppvar = _pnt->_prop->dparam;
  	v = NODEV(_pnt->node);
  	return  ( v ) - ( vpeak ) ;
  }
   
  static void _net_receive (_pnt, _args, _lflag) Point_process* _pnt; double* _args; double _lflag; 
  {  double* _p; Datum* _ppvar; Datum* _thread; _NrnThread* _nt;
     int _watch_rm = 0;
     _thread = (Datum*)0; _nt = (_NrnThread*)_pnt->_vnt;   _p = _pnt->_prop->param; _ppvar = _pnt->_prop->dparam;
    if (_tsav > t){ extern char* hoc_object_name(); hoc_execerror(hoc_object_name(_pnt->ob), ":Event arrived out of order. Must call ParallelContext.set_maxstep AFTER assigning minimum NetCon.delay");}
   _tsav = t;  v = NODEV(_pnt->node);
     if (_lflag == 1. ) {*(_tqitem) = 0;}
   {
     if ( _lflag  == 1.0 ) {
         _nrn_watch_activate(_watch_array, _watch1_cond, 1, _pnt, _watch_rm++, 2.0);
   }
     else if ( _lflag  == 2.0 ) {
       net_event ( _pnt, t ) ;
       v = c + cACH * ( - 1.0 + ACH ) ;
         if (nrn_netrec_state_adjust && !cvode_active_){
      /* discon state adjustment for general derivimplicit and KINETIC case */
      int __i, __neq = 1;
      double __state = u;
      double __primary_delta = (u + d + dACH * ( 1.0 - ACH )) - __state;
      double __dtsav = dt;
      for (__i = 0; __i < __neq; ++__i) {
        _p[_dlist1[__i]] = 0.0;
      }
      _p[_dlist1[0]] = __primary_delta;
      dt *= 0.5;
  #if NRN_VECTORIZED
      _thread = _nt->_ml_list[_mechtype]->_thread;
  #endif
      _ode_matsol_instance1(_threadargs_);
      dt = __dtsav;
      for (__i = 0; __i < __neq; ++__i) {
        _p[_slist1[__i]] += _p[_dlist1[__i]];
      }
    } else {
   u = u + d + dACH * ( 1.0 - ACH ) ;
         }
   }
     } 
   NODEV(_pnt->node) = v;
   }
   
  static int _ode_count(int _type){ return 1;}
   
  static void _ode_spec(_NrnThread* _nt, _Memb_list* _ml, int _type) {
     double* _p; Datum* _ppvar; Datum* _thread;
     Node* _nd; double _v; int _iml, _cntml;
    _cntml = _ml->_nodecount;
    _thread = _ml->_thread;
    for (_iml = 0; _iml < _cntml; ++_iml) {
      _p = _ml->_data[_iml]; _ppvar = _ml->_pdata[_iml];
      _nd = _ml->_nodelist[_iml];
      v = NODEV(_nd);
       _ode_spec1 (_p, _ppvar, _thread, _nt);
   }}
   
  static void _ode_map(int _ieq, double** _pv, double** _pvdot, double* _pp, Datum* _ppd, double* _atol, int _type) { 
  	double* _p; Datum* _ppvar;
   	int _i; _p = _pp; _ppvar = _ppd;
  	_cvode_ieq = _ieq;
  	for (_i=0; _i < 1; ++_i) {
  		_pv[_i] = _pp + _slist1[_i];  _pvdot[_i] = _pp + _dlist1[_i];
  		_cvode_abstol(_atollist, _atol, _i);
  	}
   }
   
  static void _ode_matsol_instance1(_threadargsproto_) {
   _ode_matsol1 (_p, _ppvar, _thread, _nt);
   }
   
  static void _ode_matsol(_NrnThread* _nt, _Memb_list* _ml, int _type) {
     double* _p; Datum* _ppvar; Datum* _thread;
     Node* _nd; double _v; int _iml, _cntml;
    _cntml = _ml->_nodecount;
    _thread = _ml->_thread;
    for (_iml = 0; _iml < _cntml; ++_iml) {
      _p = _ml->_data[_iml]; _ppvar = _ml->_pdata[_iml];
      _nd = _ml->_nodelist[_iml];
      v = NODEV(_nd);
   _ode_matsol_instance1(_threadargs_);
   }}
   
  static void _thread_mem_init(Datum* _thread) {
     _thread[_dith1]._pval = (double*)ecalloc(2, sizeof(double));
     _newtonspace1 = nrn_cons_newtonspace(1);
    if (_thread1data_inuse) {_thread[_gth]._pval = (double*)ecalloc(1, sizeof(double));
   }else{
   _thread[_gth]._pval = _thread1data; _thread1data_inuse = 1;
   }
   }
   
  static void _thread_cleanup(Datum* _thread) {
     free((void*)(_thread[_dith1]._pval));
     nrn_destroy_newtonspace(_newtonspace1);
    if (_thread[_gth]._pval == _thread1data) {
     _thread1data_inuse = 0;
    }else{
     free((void*)_thread[_gth]._pval);
    }
   }
  
  static void initmodel(double* _p, Datum* _ppvar, Datum* _thread, _NrnThread* _nt) {
    int _i; double _save;{
    u = u0;
   {
     u = uinit ;
     net_send ( _tqitem, (double*)0, _ppvar[1]._pvoid, t +  0.0 , 1.0 ) ;
     }
   
  }
  }
  
  static void nrn_init(_NrnThread* _nt, _Memb_list* _ml, int _type){
  double* _p; Datum* _ppvar; Datum* _thread;
  Node *_nd; double _v; int* _ni; int _iml, _cntml;
  #if CACHEVEC
      _ni = _ml->_nodeindices;
  #endif
  _cntml = _ml->_nodecount;
  _thread = _ml->_thread;
  for (_iml = 0; _iml < _cntml; ++_iml) {
   _p = _ml->_data[_iml]; _ppvar = _ml->_pdata[_iml];
   _tsav = -1e20;
  #if CACHEVEC
    if (use_cachevec) {
      _v = VEC_V(_ni[_iml]);
    }else
  #endif
    {
      _nd = _ml->_nodelist[_iml];
      _v = NODEV(_nd);
    }
   v = _v;
   initmodel(_p, _ppvar, _thread, _nt);
  }
  }
  
  static double _nrn_current(double* _p, Datum* _ppvar, Datum* _thread, _NrnThread* _nt, double _v){double _current=0.;v=_v;{ {
     vv = - ( k * ( v - ( vr + vrACH * ( - 1.0 + ACH ) ) ) * ( v - vt ) - u ) ;
     a_OLM = 0.023 * pow( ACH , 2.0 ) - 0.022 * ACH + 0.002 ;
     }
   _current += vv;
  
  } return _current;
  }
  
  static void nrn_cur(_NrnThread* _nt, _Memb_list* _ml, int _type) {
  double* _p; Datum* _ppvar; Datum* _thread;
  Node *_nd; int* _ni; double _rhs, _v; int _iml, _cntml;
  #if CACHEVEC
      _ni = _ml->_nodeindices;
  #endif
  _cntml = _ml->_nodecount;
  _thread = _ml->_thread;
  for (_iml = 0; _iml < _cntml; ++_iml) {
   _p = _ml->_data[_iml]; _ppvar = _ml->_pdata[_iml];
  #if CACHEVEC
    if (use_cachevec) {
      _v = VEC_V(_ni[_iml]);
    }else
  #endif
    {
      _nd = _ml->_nodelist[_iml];
      _v = NODEV(_nd);
    }
   _g = _nrn_current(_p, _ppvar, _thread, _nt, _v + .001);
   	{ _rhs = _nrn_current(_p, _ppvar, _thread, _nt, _v);
   	}
   _g = (_g - _rhs)/.001;
   _g *=  1.e2/(_nd_area);
   _rhs *= 1.e2/(_nd_area);
  #if CACHEVEC
    if (use_cachevec) {
  	VEC_RHS(_ni[_iml]) -= _rhs;
    }else
  #endif
    {
  	NODERHS(_nd) -= _rhs;
    }
   
  }
   
  }
  
  static void nrn_jacob(_NrnThread* _nt, _Memb_list* _ml, int _type) {
  double* _p; Datum* _ppvar; Datum* _thread;
  Node *_nd; int* _ni; int _iml, _cntml;
  #if CACHEVEC
      _ni = _ml->_nodeindices;
  #endif
  _cntml = _ml->_nodecount;
  _thread = _ml->_thread;
  for (_iml = 0; _iml < _cntml; ++_iml) {
   _p = _ml->_data[_iml];
  #if CACHEVEC
    if (use_cachevec) {
  	VEC_D(_ni[_iml]) += _g;
    }else
  #endif
    {
       _nd = _ml->_nodelist[_iml];
  	NODED(_nd) += _g;
    }
   
  }
   
  }
  
  static void nrn_state(_NrnThread* _nt, _Memb_list* _ml, int _type) {
  double* _p; Datum* _ppvar; Datum* _thread;
  Node *_nd; double _v = 0.0; int* _ni; int _iml, _cntml;
  double _dtsav = dt;
  if (secondorder) { dt *= 0.5; }
  #if CACHEVEC
      _ni = _ml->_nodeindices;
  #endif
  _cntml = _ml->_nodecount;
  _thread = _ml->_thread;
  for (_iml = 0; _iml < _cntml; ++_iml) {
   _p = _ml->_data[_iml]; _ppvar = _ml->_pdata[_iml];
   _nd = _ml->_nodelist[_iml];
  #if CACHEVEC
    if (use_cachevec) {
      _v = VEC_V(_ni[_iml]);
    }else
  #endif
    {
      _nd = _ml->_nodelist[_iml];
      _v = NODEV(_nd);
    }
   v=_v;
  {
   {  _deriv1_advance = 1;
   derivimplicit_thread(1, _slist1, _dlist1, _p, states, _ppvar, _thread, _nt);
  _deriv1_advance = 0;
       if (secondorder) {
      int _i;
      for (_i = 0; _i < 1; ++_i) {
        _p[_slist1[_i]] += dt*_p[_dlist1[_i]];
      }}
   }}}
   dt = _dtsav;
  }
  
  static void terminal(){}
  
  static void _initlists(){
   double _x; double* _p = &_x;
   int _i; static int _first = 1;
    if (!_first) return;
   _slist1[0] = &(u) - _p;  _dlist1[0] = &(Du) - _p;
   _slist2[0] = &(u) - _p;
  _first = 0;
  }
  
  #if defined(__cplusplus)
  } /* extern "C" */
  #endif
  
  #if NMODL_TEXT
  static const char* nmodl_filename = "izh.mod";
  static const char* nmodl_file_text = 
    "NEURON {\n"
    "  POINT_PROCESS IZH\n"
    "  NONSPECIFIC_CURRENT vv\n"
    "  RANGE a,b,c,d,e,f,I,vv,thresh, vr, vt, vpeak, aACH, cACH, dACH,alphaShutdown, bACH, ACHshutdown, aMin, aMax, g, vrACH, k, Cap\n"
    "}\n"
    "UNITS {\n"
    "	(mV) = (millivolt)\n"
    "    (nA) = (nanoamp)\n"
    "	(pA) = (picoamp)\n"
    "	(uS) = (microsiemens)\n"
    "	(nS) = (nanosiemens)\n"
    "}\n"
    "\n"
    "INITIAL {\n"
    "u = uinit\n"
    "net_send(0,1)\n"
    "}\n"
    "\n"
    "PARAMETER {  \n"
    "  k = 0.0011 (nA/mV2) :(1/mV*megaohm) \n"
    ": So pranit used pA aesthetically then divides k b d and u by 1000 to get them back to be in nA which is what neuron uses and understands for point processes.\n"
    ": The model can still be used in nA but you have to overlook the low values\n"
    "  a = 0.01 (1/ms)\n"
    "  b = 0.0002 (uS)\n"
    "  c = -65 (mV)\n"
    "  d = .001 (nA)\n"
    "\n"
    " \n"
    "  vpeak= 30 (mV)\n"
    "  vv = 0 (mV)\n"
    "  vr = - 70 (mV)\n"
    "  vt = - 45 (mV)\n"
    "\n"
    "  a_OLM = 0.002\n"
    "  ACH = 1 \n"
    "  dACH = 0 (nA)\n"
    "  cACH = 0 (mV)\n"
    "  vrACH = 0 (mV)\n"
    "  Cap = 1000\n"
    "  uinit = 0 (nA)\n"
    "	\n"
    "  alphaShutdown = 1\n"
    "  \n"
    "  aMin = 0.01\n"
    "  aMax = 0.05\n"
    "  bACH = 1.25\n"
    "  \n"
    "  aACH = 0.025\n"
    "  g = 1.333\n"
    "  :The equations to calculate g and aACH aACH = aMin * bACH g = 1 / (bACH * (1 - (aMin/aMax)))\n"
    "  ACHshutdown = 0\n"
    "}\n"
    "\n"
    "STATE { u }\n"
    "\n"
    "ASSIGNED {\n"
    "  }\n"
    "\n"
    "BREAKPOINT {\n"
    "  SOLVE states METHOD derivimplicit\n"
    "  vv = -(k*(v - (vr + vrACH * (-1+ ACH) ))*(v - vt) - u)\n"
    "  \n"
    "  a_OLM = 0.023*ACH^2 - 0.022*ACH + 0.002\n"
    "}\n"
    "\n"
    "DERIVATIVE states {\n"
    "    u' = (a_OLM * ACHshutdown + a *alphaShutdown)*(b*(v - (vr + vrACH * (-1+ ACH) ))-u)\n"
    "	:u' =  a *(b*(v - (vr + vrACH * (-1+ ACH) ))-u)\n"
    "    :u' = ( alphaShutdown*a +  ACHshutdown *(g * -aACH) / ((-1+ACH) - g * bACH) )*(b*(v - (vr + vrACH * (-1+ ACH) ))-u)\n"
    "}\n"
    "\n"
    "NET_RECEIVE (w) {\n"
    "  if (flag == 1) {\n"
    "    WATCH (v>vpeak) 2\n"
    "  } else if (flag == 2) {\n"
    "    net_event(t)\n"
    "    v = c + cACH * (-1+ACH) \n"
    "    u = u+d + dACH * (1-ACH)\n"
    "  }\n"
    "}\n"
    "\n"
    "\n"
    ;
  #endif
  