void LinearMechanism::create()
{
int i;
lmfree();
i = 0;
Object* o = *hoc_objgetarg(++i);
if (strcmp(o->ctemplate->sym->name, "PythonObject") == 0) {
f_callable_ = o;
hoc_obj_ref(o);
c_ = matrix_arg(++i);
} else {
f_callable_ = NULL;
c_ = matrix_arg(1);
}
g_ = matrix_arg(++i);
y_ = vector_arg(++i);
if (ifarg(i + 2) && hoc_is_object_arg(i + 2) && is_vector_arg(i + 2)) {
y0_ = vector_arg(++i);
}
b_ = vector_arg(++i);
if (ifarg(++i)) {
#if HAVE_IV
Oc oc;
#endif
if (hoc_is_double_arg(i)) {
nnode_ = 1;
nodes_ = new Node*[1];
double x = chkarg(i, 0., 1.);
Section* sec = chk_access();
nodes_[0] = node_exact(sec, x);
nrn_notify_when_double_freed(&NODEV(nodes_[0]), this);
}else{
Object* o = *hoc_objgetarg(i);
check_obj_type(o, "SectionList");
SectionList* sl = new SectionList(o);
sl->ref();
Vect* x = vector_arg(i+1);
Section* sec;
nnode_ = 0;
nodes_ = new Node*[x->capacity()];
for (sec = sl->begin(); sec; sec = sl->next()) {
nodes_[nnode_] = node_exact(sec, x->elem(nnode_));
nrn_notify_when_double_freed(&NODEV(nodes_[nnode_]), this);
++nnode_;
}
if (ifarg(i+2)) {
elayer_ = vector_arg(i+2);
}
sl->unref();
}
}
model_ = new LinearModelAddition(c_, g_, y_, y0_, b_,
nnode_, nodes_, elayer_, f_callable_);
}
static void unpack_help(int i, OcBBS* bbs) {
for (; ifarg(i); ++i) {
if (hoc_is_pdouble_arg(i)) {
*hoc_pgetarg(i) = bbs->upkdouble();
}else if (hoc_is_str_arg(i)) {
char* s = bbs->upkstr();
char** ps = hoc_pgargstr(i);
hoc_assign_str(ps, s);
delete [] s;
}else if (is_vector_arg(i)){
Vect* vec = vector_arg(i);
int n = bbs->upkint();
vec->resize(n);
bbs->upkvec(n, vec->vec());
}else{
hoc_execerror("pc.unpack can only unpack str, scalar, or Vector.",
"use pc.upkpyobj to unpack a Python Object");
}
}
}
void nrn_vecsim_add(void* v, boolean record) {
IvocVect* yvec, *tvec, *dvec;
extern short* nrn_is_artificial_;
double* pvar = nil;
char* s = nil;
double ddt;
Object* ppobj = nil;
int iarg = 0;
yvec = (IvocVect*)v;
if (hoc_is_object_arg(1)) {
iarg = 1;
ppobj = *hoc_objgetarg(1);
if (!ppobj || ppobj->ctemplate->is_point_ <= 0
|| nrn_is_artificial_[ob2pntproc(ppobj)->prop->type]
) {
hoc_execerror("Optional first arg is not a POINT_PROCESS", 0);
}
}
if (record == false && hoc_is_str_arg(iarg+1)) {//statement involving $1
// Vector.play("proced($1)", ...)
s = gargstr(iarg+1);
}else if (record == false && hoc_is_double_arg(iarg+1)) {// play that element
// Vector.play(index)
// must be a VecPlayStep and nothing else
VecPlayStep* vps = (VecPlayStep*)net_cvode_instance->playrec_uses(v);
if (vps) {
int j = (int)chkarg(iarg+1, 0., yvec->capacity()-1);
if (vps->si_) {
vps->si_->play_one(yvec->elem(j));
}
}
return;
}else{
// Vector.play(&SEClamp[0].amp1, ...)
// Vector.record(&SEClamp[0].i, ...)
pvar = hoc_pgetarg(iarg+1);
}
tvec = nil;
dvec = nil;
ddt = -1.;
int con = 0;
if (ifarg(iarg+2)) {
if (hoc_is_object_arg(iarg+2)) {
// Vector...(..., tvec)
tvec = vector_arg(iarg+2);
}else{
// Vector...(..., Dt)
ddt = chkarg(iarg+2, 1e-9, 1e10);
}
if (ifarg(iarg+3)) {
if (hoc_is_double_arg(iarg+3)) {
con = (int)chkarg(iarg+3, 0., 1.);
}else{
dvec = vector_arg(iarg+3);
con = 1;
}
}
}
// tvec can be used for many record/play items
// if (tvec) { nrn_vecsim_remove(tvec); }
if (record) {
// yvec can be used only for one record (but many play)
if (yvec) { nrn_vecsim_remove(yvec); }
if (tvec) {
new VecRecordDiscrete(pvar, yvec, tvec, ppobj);
} else if (ddt > 0.) {
new VecRecordDt(pvar, yvec, ddt, ppobj);
} else if (pvar == &t) {
new TvecRecord(chk_access(), yvec, ppobj);
} else {
new YvecRecord(pvar, yvec, ppobj);
}
}else{
if (con) {
if (s) {
new VecPlayContinuous(s, yvec, tvec, dvec, ppobj);
}else{
new VecPlayContinuous(pvar, yvec, tvec, dvec, ppobj);
}
}else{
if (!tvec && ddt == -1.) {
chkarg(iarg+2, 1e-9, 1e10);
}
if (s) {
new VecPlayStep(s, yvec, tvec, ddt, ppobj);
}else{
new VecPlayStep(pvar, yvec, tvec, ddt, ppobj);
}
}
}
}
void fit_praxis(void) {
extern Symbol* hoc_lookup();
extern char* gargstr();
char* after_quad;
int i;
double err, fmin;
double* px;
/* allow nested calls to fit_praxis. I.e. store all the needed
statics specific to this invocation with proper reference
counting and then unref/destoy on exit from this invocation.
Before the prax call save the statics from earlier invocation
without increasing the
ref count and on exit restore without decreasing the ref count.
*/
/* save before setting statics, restore after prax */
double minerrsav, *minargsav, maxstepsizesav, tolerancesav;
long int printmodesav, nvarsav;
Symbol* efun_sym_sav;
Object* efun_py_save, *efun_py_arg_save;
void* vec_py_save_save;
/* store statics specified by this invocation */
/* will be copied just before calling prax */
double minerr_, *minarg_;
long int nvar_;
Symbol* efun_sym_;
Object* efun_py_, *efun_py_arg_;
void* vec_py_save_;
minerr_ = 0.0;
nvar_ = 0;
minarg_ = NULL;
efun_sym_ = NULL;
efun_py_ = NULL;
efun_py_arg_ = NULL;
vec_py_save_ = NULL;
fmin = 0.;
if (hoc_is_object_arg(1)) {
assert(nrnpy_praxis_efun);
efun_py_ = *hoc_objgetarg(1);
hoc_obj_ref(efun_py_);
efun_py_arg_ = *vector_pobj(vector_arg(2));
hoc_obj_ref(efun_py_arg_);
vec_py_save_ = vector_new2(efun_py_arg_->u.this_pointer);
nvar_ = vector_capacity(vec_py_save_);
px = vector_vec(vec_py_save_);
}else{
nvar_ = (int)chkarg(1, 0., 1e6);
efun_sym_ = hoc_lookup(gargstr(2));
if (!efun_sym_
|| (efun_sym_->type != FUNCTION
&& efun_sym_->type != FUN_BLTIN)) {
hoc_execerror(gargstr(2), "not a function name");
}
if (!hoc_is_pdouble_arg(3)) {
void* vec = vector_arg(3);
if (vector_capacity(vec) != nvar_) {
hoc_execerror("first arg not equal to size of Vector",0);
}
px = vector_vec(vec);
}else{
px = hoc_pgetarg(3);
}
}
minarg_ = (double*)ecalloc(nvar_, sizeof(double));
if (maxstepsize == 0.) {
hoc_execerror("call attr_praxis first to set attributes", 0);
}
machep = 1e-15;
if (ifarg(4)) {
after_quad = gargstr(4);
}else{
after_quad = (char*)0;
}
/* save the values set by earlier invocation */
minerrsav = minerr;
minargsav = minarg;
tolerancesav = tolerance;
maxstepsizesav = maxstepsize;
printmodesav = printmode;
nvarsav = nvar;
efun_sym_sav = hoc_efun_sym;
efun_py_save = efun_py;
efun_py_arg_save = efun_py_arg;
vec_py_save_save = vec_py_save;
/* copy this invocation values to the statics */
minerr = minerr_;
minarg = minarg_;
nvar = nvar_;
hoc_efun_sym = efun_sym_;
efun_py = efun_py_;
efun_py_arg = efun_py_arg_;
vec_py_save = vec_py_save_;
minerr=1e9;
err = praxis(&tolerance, &machep, &maxstepsize, nvar, &printmode,
px, efun, &fmin, after_quad);
err = minerr;
if (minerr < 1e9) {
for (i=0; i<nvar; ++i) { px[i] = minarg[i]; }
}
/* restore the values set by earlier invocation */
minerr = minerrsav;
minarg = minargsav;
tolerance = tolerancesav;
maxstepsize = maxstepsizesav;
printmode = printmodesav;
nvar = nvar_; /* in case one calls prax_pval */
hoc_efun_sym = efun_sym_sav;
efun_py = efun_py_save;
efun_py_arg = efun_py_arg_save;
vec_py_save = vec_py_save_save;
if (efun_py_) {
double* px = vector_vec(efun_py_arg_->u.this_pointer);
for (i=0; i < nvar_; ++i) {
px[i] = minarg_[i];
}
hoc_obj_unref(efun_py_);
hoc_obj_unref(efun_py_arg_);
vector_delete(vec_py_save_);
}
if (minarg_) {
free(minarg_);
}
hoc_retpushx(err);
}