wip swig

include/population.hpp

@@ -0,0 +1,17 @@
+#include <cmath>
+
+/**
+ * @brief Logistic population growth
+ * 
+ * @param year 
+ * @param N_o 
+ * @param N_f 
+ * @param k 
+ * @param total_duration 
+ * @return int 
+ */
+int logistic_population_func(int year, int N_o, int N_f, int k, int total_duration) {
+    // https://en.wikipedia.org//wiki/Logistic_function
+    return N_o + (N_f - N_o) / 
+        (1 + exp(-k * (year - total_duration/2)));
+}