float point exception, waiting for debugging

src/rng.cc

@@ -0,0 +1,39 @@
+#include "rng.h"
+
+RNG::RNG(): init_seed(time(0)), curr_rand_num(0) {
+        srand(init_seed);
+}
+
+RNG::RNG(const unsigned int seed): init_seed(seed), curr_rand_num(0) {
+        srand(init_seed);
+}
+
+int RNG::rand_num() {
+        return curr_rand_num = rand();
+}
+
+int RNG::rand_between(const int lower_bound, const int upper_bound) {
+        curr_rand_num = rand();
+
+        return lower_bound + (curr_rand_num % (upper_bound - lower_bound));
+}
+
+int RNG::rand_under(const int upper_bound) {
+        curr_rand_num = rand();
+
+        return curr_rand_num % upper_bound;
+}
+
+unsigned int RNG::get_init_seed() const {
+        return init_seed;
+}
+
+int RNG::get_curr_rand_num() const {
+        return curr_rand_num;
+}
+
+template<class T> T &RNG::get_rand_in_vector(const std::vector<T> &vec) {
+        curr_rand_num = rand();
+
+        return vec[curr_rand_num % vec.size()];
+}