/**
* Here we get the steady-state values for the gate (the 'instant'
* calculation) as A_/B_.
*/
void HHChannel::vReinit( const Eref& er, ProcPtr info )
{
g_ = ChanCommon::vGetGbar( er );
Element* e = er.element();
double A = 0.0;
double B = 0.0;
if ( Xpower_ > 0 ) {
assert( xGate_ );
xGate_->lookupBoth( Vm_, &A, &B );
if ( B < EPSILON ) {
cout << "Warning: B_ value for " << e->getName() <<
" is ~0. Check X table\n";
return;
}
if (!xInited_)
X_ = A/B;
g_ *= takeXpower_( X_, Xpower_ );
}
if ( Ypower_ > 0 ) {
assert( yGate_ );
yGate_->lookupBoth( Vm_, &A, &B );
if ( B < EPSILON ) {
cout << "Warning: B value for " << e->getName() <<
" is ~0. Check Y table\n";
return;
}
if (!yInited_)
Y_ = A/B;
g_ *= takeYpower_( Y_, Ypower_ );
}
if ( Zpower_ > 0 ) {
assert( zGate_ );
if ( useConcentration_ )
zGate_->lookupBoth( conc_, &A, &B );
else
zGate_->lookupBoth( Vm_, &A, &B );
if ( B < EPSILON ) {
cout << "Warning: B value for " << e->getName() <<
" is ~0. Check Z table\n";
return;
}
if (!zInited_)
Z_ = A/B;
g_ *= takeZpower_( Z_, Zpower_ );
}
ChanCommon::vSetGk( er, g_ * HHChannelBase::modulation_ );
updateIk();
// Gk_ = g_;
// Ik_ = ( Ek_ - Vm_ ) * g_;
// Send out the relevant channel messages.
// Same for reinit as for process.
sendReinitMsgs( er, info );
g_ = 0.0;
}
/**
* Here we get the steady-state values for the gate (the 'instant'
* calculation) as A_/B_.
*/
void HHChannel2D::reinit( const Eref& er, ProcPtr info )
{
g_ = ChanBase::getGbar();
Element* e = er.element();
double A = 0.0;
double B = 0.0;
if ( Xpower_ > 0 ) {
xGate_->lookupBoth( depValue( Xdep0_ ), depValue( Xdep1_ ), &A, &B );
if ( B < EPSILON ) {
cout << "Warning: B_ value for " << e->getName() <<
" is ~0. Check X table\n";
return;
}
if (!xInited_)
X_ = A/B;
g_ *= takeXpower_( X_, Xpower_ );
}
if ( Ypower_ > 0 ) {
yGate_->lookupBoth( depValue( Ydep0_ ), depValue( Ydep1_ ), &A, &B );
if ( B < EPSILON ) {
cout << "Warning: B value for " << e->getName() <<
" is ~0. Check Y table\n";
return;
}
if (!yInited_)
Y_ = A/B;
g_ *= takeYpower_( Y_, Ypower_ );
}
if ( Zpower_ > 0 ) {
zGate_->lookupBoth( depValue( Zdep0_ ), depValue( Zdep1_ ), &A, &B );
if ( B < EPSILON ) {
cout << "Warning: B value for " << e->getName() <<
" is ~0. Check Z table\n";
return;
}
if (!zInited_)
Z_ = A/B;
g_ *= takeZpower_( Z_, Zpower_ );
}
ChanBase::setGk( g_ );
ChanBase::updateIk();
// Gk_ = g_;
// Ik_ = ( Ek_ - Vm_ ) * g_;
// Send out the relevant channel messages.
// Same for reinit as for process.
ChanBase::reinit( er, info );
/*
channelOut.send( er, info, Gk_, Ek_ );
// Needed by GHK-type objects
permeability.send( er, info, Gk_ );
*/
g_ = 0.0;
}
void HHChannel2D::process( const Eref& e, ProcPtr info )
{
g_ += ChanBase::getGbar();
double A = 0;
double B = 0;
if ( Xpower_ > 0 ) {
xGate_->lookupBoth( depValue( Xdep0_ ), depValue( Xdep1_ ), &A, &B );
if ( instant_ & INSTANT_X )
X_ = A/B;
else
X_ = integrate( X_, info->dt, A, B );
g_ *= takeXpower_( X_, Xpower_ );
}
if ( Ypower_ > 0 ) {
yGate_->lookupBoth( depValue( Ydep0_ ), depValue( Ydep1_ ), &A, &B );
if ( instant_ & INSTANT_Y )
Y_ = A/B;
else
Y_ = integrate( Y_, info->dt, A, B );
g_ *= takeYpower_( Y_, Ypower_ );
}
if ( Zpower_ > 0 ) {
zGate_->lookupBoth( depValue( Zdep0_ ), depValue( Zdep1_ ), &A, &B );
if ( instant_ & INSTANT_Z )
Z_ = A/B;
else
Z_ = integrate( Z_, info->dt, A, B );
g_ *= takeZpower_( Z_, Zpower_ );
}
ChanBase::setGk( g_ );
ChanBase::updateIk();
// Gk_ = g_;
// Ik_ = ( Ek_ - Vm_ ) * g_;
// Send out the relevant channel messages.
ChanBase::process( e, info );
/*
channelOut.send( e, info, Gk_, Ek_ );
// This is used if the channel connects up to a conc pool and
// handles influx of ions giving rise to a concentration change.
IkOut.send( e, info, Ik_ );
// Needed by GHK-type objects
permeability.send( e, info, Gk_ );
*/
g_ = 0.0;
}
void ChannelStruct::process( double*& state, CurrentStruct& current )
{
double fraction = modulation_;
if( Xpower_ > 0.0 )
fraction *= takeXpower_( *( state++ ), Xpower_ );
if( Ypower_ > 0.0 )
fraction *= takeYpower_( *( state++ ), Ypower_ );
if( Zpower_ > 0.0 )
fraction *= takeZpower_( *( state++ ), Zpower_ );
current.Gk = Gbar_ * fraction;
}
void HHChannel::vProcess( const Eref& e, ProcPtr info )
{
g_ += ChanCommon::vGetGbar( e );
double A = 0;
double B = 0;
if ( Xpower_ > 0 ) {
xGate_->lookupBoth( Vm_, &A, &B );
if ( instant_ & INSTANT_X )
X_ = A/B;
else
X_ = integrate( X_, info->dt, A, B );
g_ *= takeXpower_( X_, Xpower_ );
}
if ( Ypower_ > 0 ) {
yGate_->lookupBoth( Vm_, &A, &B );
if ( instant_ & INSTANT_Y )
Y_ = A/B;
else
Y_ = integrate( Y_, info->dt, A, B );
g_ *= takeYpower_( Y_, Ypower_ );
}
if ( Zpower_ > 0 ) {
if ( useConcentration_ )
zGate_->lookupBoth( conc_, &A, &B );
else
zGate_->lookupBoth( Vm_, &A, &B );
if ( instant_ & INSTANT_Z )
Z_ = A/B;
else
Z_ = integrate( Z_, info->dt, A, B );
g_ *= takeZpower_( Z_, Zpower_ );
}
ChanCommon::vSetGk( e, g_ * HHChannelBase::modulation_ );
this->updateIk();
// Gk_ = g_;
// Ik_ = ( Ek_ - Vm_ ) * g_;
// Send out the relevant channel messages.
sendProcessMsgs( e, info );
g_ = 0.0;
}
