Simple SIR

A minimal SIR simulation built step-by-step from scratch, illustrating state definitions, virus setup, and network generation.

View this example on GitHub.

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// #define EPI_DEBUG #include "epiworld.hpp" int main() { // Creating a model epiworld::Model<> model; model.add_state("Susceptible", epiworld::default_update_susceptible<>); auto infected_state = model.add_state("Infected", epiworld::default_update_exposed<>); auto removed_state = model.add_state("Removed"); // Creating a virus epiworld::Virus<> covid19("covid 19", 0.05, true); covid19.set_prob_infecting(0.8); covid19.set_state(infected_state, removed_state, removed_state); // Creating a tool epiworld::Tool<> vax("vaccine", .5, true); vax.set_susceptibility_reduction(.95); // Adding the tool and virus model.add_virus(covid19); model.add_tool(vax); // Generating a random pop model.agents_from_adjlist( epiworld::rgraph_smallworld(1000, 5, 0.01, false, model) ); // Running the model model.run(100, 123123); model.print(); return 0; }

Output