/*
- * Copyright © 2012, 2020 Nick Bowler
+ * Copyright © 2012, 2020, 2022-2023 Nick Bowler
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
void test_rng_free(struct test_rng *rng);
/*
- * Return a random value uniformly on the half-open interval [0,1)
+ * Return a random integer uniformly on the closed interval [0, limit-1]
*/
-double test_rng_uniform(struct test_rng *rng);
+unsigned test_rng_uniform_int(struct test_rng *rng, unsigned limit);
/*
- * Return a random integer uniformly on the closed interval [0, limit-1]
+ * Return false or true with 50% probablility either way.
*/
-unsigned test_rng_uniform_int(struct test_rng *rng, unsigned limit);
+static inline int test_rng_50_50(struct test_rng *rng)
+{
+ return test_rng_uniform_int(rng, 2) == 0;
+}
#endif