exp_synapse_utils.h File Reference

Utilities for synapse types with exponential decays. More...

#include <stdfix-exp.h>
#include <neuron/decay.h>

Go to the source code of this file.

Data Structures
struct	exp_params_t
	The type of exponential decay parameters. More...
struct	exp_state_t
	The type of exponential decay state. More...

Functions
static void	decay_and_init (exp_state_t *state, exp_params_t *params, REAL time_step_ms, uint32_t n_steps_per_timestep)
	Calculate the exponential state from the exponential parameters.
static void	exp_shaping (exp_state_t *exp_param)
	Shapes a single parameter.
static void	add_input_exp (exp_state_t *parameter, input_t input)
	helper function to add input for a given timer period to a given neuron

Detailed Description

Utilities for synapse types with exponential decays.

Definition in file exp_synapse_utils.h.

---

Data Structure Documentation

exp_params_t

struct exp_params_t

The type of exponential decay parameters.

Definition at line 26 of file exp_synapse_utils.h.

Data Fields
REAL	tau	The decay time constant.
REAL	init_input	The initial value.

exp_state_t

struct exp_state_t

The type of exponential decay state.

Definition at line 34 of file exp_synapse_utils.h.

Data Fields
decay_t	decay	Decay multiplier per timestep.
decay_t	init	Initial decay factor.
input_t	synaptic_input_value	The actual synaptic contribution.

Function Documentation

decay_and_init()

static void decay_and_init ( exp_state_t *  state, exp_params_t *  params, REAL  time_step_ms, uint32_t  n_steps_per_timestep  )

inlinestatic

Calculate the exponential state from the exponential parameters.

Parameters

[out]	state	The state to initialise
[in]	params	The parameters to use to do the initialisation
[in]	time_step_ms	The time step of the simulation overall
[in]	n_steps_per_timestep	The sub-stepping of the simulation

Definition at line 45 of file exp_synapse_utils.h.

exp_shaping()

static void exp_shaping ( exp_state_t *  exp_param )

inlinestatic

Shapes a single parameter.

Parameters

[in,out]

exp_param

The parameter to shape

Definition at line 60 of file exp_synapse_utils.h.

add_input_exp()

static void add_input_exp ( exp_state_t *  parameter, input_t  input  )

inlinestatic

helper function to add input for a given timer period to a given neuron

Parameters

[in,out]	parameter	the parameter to update
[in]	input	the input to add.

Definition at line 70 of file exp_synapse_utils.h.