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The syn-to-post summation computation.
This function is equivalent to:
post_val = np.zeros(post_num) for syn_i, post_i in enumerate(post_ids): post_val[post_i] += syn_values[syn_i]
syn_values (jax.numpy.ndarray, JaxArray, Variable) – The synaptic values.
post_ids (jax.numpy.ndarray, JaxArray) – The post-synaptic neuron ids.
post_num (int) – The number of the post-synaptic neurons.
post_val – The post-synaptic value.
jax.numpy.ndarray, JaxArray