Merge remote-tracking branch 'origin/lif_neuron' into lif_neuron

Author: DavidIkov

knp/backends/cpu/cpu-single-threaded-backend/include/knp/backends/cpu-single-threaded/backend.h

@@ -409,6 +409,16 @@ class KNP_DECLSPEC SingleThreadedCPUBackend : public knp::core::Backend
         knp::core::Population<knp::neuron_traits::LIFNeuron> &population);
 
 
+    /**
+     * @brief Calculate population of LIF neurons.
+     * @note Population state will be changed during calculation.
+     * @param population population to calculate.
+     * @return spike message with indexes of spiked neurons if population is emitting one.
+     */
+    std::optional<core::messaging::SpikeMessage> calculate_population(
+        knp::core::Population<knp::neuron_traits::LIFNeuron> &population);
+
+
     /**
      * @brief Calculate projection of delta synapses.
      * @note Projection will be changed during calculation.