Source code for spynnaker8.models.connectors.fixed_number_pre_connector

# Copyright (c) 2017-2019 The University of Manchester
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <>.

import logging
from pyNN.connectors import (
    FixedNumberPreConnector as PyNNFixedNumberPreConnector)
from spynnaker.pyNN.models.neural_projections.connectors import (
    FixedNumberPreConnector as CommonFixedNumberPreConnector)

logger = logging.getLogger(__file__)

[docs]class FixedNumberPreConnector(CommonFixedNumberPreConnector, PyNNFixedNumberPreConnector): """ Connects a fixed number of pre-synaptic neurons selected at random,\ to all post-synaptic neurons """ __slots__ = [] def __init__( self, n, allow_self_connections=True, safe=True, verbose=False, with_replacement=False, rng=None, callback=None): """ :param n: \ number of random pre-synaptic neurons connected to post-neurons :type n: int :param allow_self_connections: \ if the connector is used to connect a Population to itself, this\ flag determines whether a neuron is allowed to connect to itself,\ or only to other neurons in the Population. :type allow_self_connections: bool :param safe: \ Whether to check that weights and delays have valid values.\ If False, this check is skipped. :type safe: bool :param verbose: \ Whether to output extra information about the connectivity to a\ CSV file :type verbose: bool :param with_replacement:\ if False, once a connection is made, it can't be made again; if\ True, multiple connections between the same pair of neurons are\ allowed :type with_replacement: bool :param rng: :param callback: """ # pylint: disable=too-many-arguments super(FixedNumberPreConnector, self).__init__( n=n, allow_self_connections=allow_self_connections, with_replacement=with_replacement, safe=safe, verbose=verbose, rng=rng)