input_type_conductance.h

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/*
 * Copyright (c) 2015 The University of Manchester
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef _INPUT_TYPE_CONDUCTANCE_H_
#define _INPUT_TYPE_CONDUCTANCE_H_
 
#include "input_type.h"
 
struct input_type_params_t {
    REAL     V_rev_E;
    REAL     V_rev_I;
};
 
struct input_type_t {
    REAL     V_rev_E;
    REAL     V_rev_I;
};
 
static inline void input_type_initialise(input_type_t *state, input_type_params_t *params,
        UNUSED uint32_t n_steps_per_timestep) {
    state->V_rev_E = params->V_rev_E;
    state->V_rev_I = params->V_rev_I;
}
 
static inline void input_type_save_state(UNUSED input_type_t *state,
        UNUSED input_type_params_t *params) {
}
 
static inline input_t *input_type_get_input_value(
        input_t *restrict value, UNUSED input_type_t *input_type,
        uint16_t num_receptors) {
    for (int i = 0; i < num_receptors; i++) {
        value[i] = value[i] >> 10;
    }
    return &value[0];
}
 
static inline void input_type_convert_excitatory_input_to_current(
        input_t *restrict exc_input, const input_type_t *input_type,
        state_t membrane_voltage) {
    for (int i=0; i < NUM_EXCITATORY_RECEPTORS; i++) {
        exc_input[i] = exc_input[i] *
                (input_type->V_rev_E - membrane_voltage);
    }
}
 
static inline void input_type_convert_inhibitory_input_to_current(
        input_t *restrict inh_input, const input_type_t *input_type,
        state_t membrane_voltage) {
    for (int i=0; i < NUM_INHIBITORY_RECEPTORS; i++) {
        inh_input[i] = -inh_input[i] *
                (input_type->V_rev_I - membrane_voltage);
    }
}
 
#endif // _INPUT_TYPE_CONDUCTANCE_H_