ChannelStruct Struct Reference

#include <HSolveStruct.h>

Collaboration diagram for ChannelStruct:

Public Member Functions
void	process (double *&state, CurrentStruct &current)
void	setPowers (double Xpower, double Ypower, double Zpower)

Public Attributes
double	Gbar_
int	instant_
double	modulation_
PFDD	takeXpower_
PFDD	takeYpower_
PFDD	takeZpower_
double	Xpower_
double	Ypower_
double	Zpower_

Static Private Member Functions
static double	power1 (double x, double p)
static double	power2 (double x, double p)
static double	power3 (double x, double p)
static double	power4 (double x, double p)
static double	powerN (double x, double p)
static PFDD	selectPower (double power)

Detailed Description

Structure for a channel.

Definition at line 55 of file HSolveStruct.h.

Member Function Documentation

static double ChannelStruct::power1 ( double  x, double  p  )

inlinestaticprivate

The aforementioned clever stuff.

Definition at line 95 of file HSolveStruct.h.

Referenced by selectPower().

                                               {
        return x;
    }

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static double ChannelStruct::power2 ( double  x, double  p  )

inlinestaticprivate

Definition at line 98 of file HSolveStruct.h.

Referenced by power4(), and selectPower().

                                               {
        return x * x;
    }

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static double ChannelStruct::power3 ( double  x, double  p  )

inlinestaticprivate

Definition at line 101 of file HSolveStruct.h.

Referenced by selectPower().

                                               {
        return x * x * x;
    }

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static double ChannelStruct::power4 ( double  x, double  p  )

inlinestaticprivate

Definition at line 104 of file HSolveStruct.h.

References power2().

Referenced by selectPower().

                                               {
        return power2( x * x, p );
    }

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double ChannelStruct::powerN ( double  x, double  p  )

staticprivate

Definition at line 30 of file HSolveStruct.cpp.

References moose::log().

Referenced by selectPower().

{
    if ( x > 0.0 )
        return exp( p * log( x ) );
    return 0.0;
}

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void ChannelStruct::process	(	double *&	state,
		CurrentStruct &	current
	)

Finds the fraction for each gate by raising the "state" to the appropriate power. current.Gk is then set to Gbar_ times the calculated fraction. Note, "current" is a parameter.

Definition at line 53 of file HSolveStruct.cpp.

References Gbar_, CurrentStruct::Gk, modulation_, takeXpower_, takeYpower_, takeZpower_, Xpower_, Ypower_, and Zpower_.

{
    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;
}

PFDD ChannelStruct::selectPower ( double  power )

staticprivate

Definition at line 37 of file HSolveStruct.cpp.

References power1(), power2(), power3(), power4(), and powerN().

Referenced by setPowers().

{
    if ( power == 0.0 )
        return powerN;
    else if ( power == 1.0 )
        return power1;
    else if ( power == 2.0 )
        return power2;
    else if ( power == 3.0 )
        return power3;
    else if ( power == 4.0 )
        return power4;
    else
        return powerN;
}

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void ChannelStruct::setPowers	(	double	Xpower,
		double	Ypower,
		double	Zpower
	)

Sets the powers and accordingly sets the takePower_ functions.

Definition at line 15 of file HSolveStruct.cpp.

References selectPower(), takeXpower_, takeYpower_, takeZpower_, Xpower_, Ypower_, and Zpower_.

Referenced by HSolveActive::readHHChannels().

{
    Xpower_ = Xpower;
    takeXpower_ = selectPower( Xpower );

    Ypower_ = Ypower;
    takeYpower_ = selectPower( Ypower );

    Zpower_ = Zpower;
    takeZpower_ = selectPower( Zpower );
}

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Member Data Documentation

double ChannelStruct::Gbar_

Definition at line 58 of file HSolveStruct.h.

Referenced by process(), and HSolveActive::readHHChannels().

int ChannelStruct::instant_

Instantaneously change conductance - conductance follows no kinetics It's like tau = 0 => conductance change directly mirrors voltage step.

Definition at line 71 of file HSolveStruct.h.

Referenced by HSolveActive::readHHChannels().

double ChannelStruct::modulation_

Scale factor for conductance, used when there is biochemical and other multiscale modulation of conductance.

Definition at line 77 of file HSolveStruct.h.

Referenced by process(), and HSolveActive::readHHChannels().

PFDD ChannelStruct::takeXpower_

Definition at line 59 of file HSolveStruct.h.

Referenced by process(), and setPowers().

PFDD ChannelStruct::takeYpower_

Definition at line 60 of file HSolveStruct.h.

Referenced by process(), and setPowers().

PFDD ChannelStruct::takeZpower_

Definition at line 61 of file HSolveStruct.h.

Referenced by process(), and setPowers().

double ChannelStruct::Xpower_

Definition at line 62 of file HSolveStruct.h.

Referenced by process(), and setPowers().

double ChannelStruct::Ypower_

Definition at line 63 of file HSolveStruct.h.

Referenced by process(), and setPowers().

double ChannelStruct::Zpower_

Definition at line 64 of file HSolveStruct.h.

Referenced by process(), and setPowers().

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The documentation for this struct was generated from the following files:

• moose-core/hsolve/HSolveStruct.h
• moose-core/hsolve/HSolveStruct.cpp