diff options
| -rw-r--r-- | src/util/random.cpp | 3 | ||||
| -rw-r--r-- | src/util/random.h | 6 |
2 files changed, 4 insertions, 5 deletions
diff --git a/src/util/random.cpp b/src/util/random.cpp index aca7756ae..d10fb2eec 100644 --- a/src/util/random.cpp +++ b/src/util/random.cpp @@ -31,8 +31,7 @@ uint64_t Random::rand() d_state ^= d_state >> 12; d_state ^= d_state << 25; d_state ^= d_state >> 27; - d_state *= uint64_t{2685821657736338717}; - return d_state; + return d_state * uint64_t{2685821657736338717}; } uint64_t Random::pick(uint64_t from, uint64_t to) diff --git a/src/util/random.h b/src/util/random.h index 9083c63e4..1e837642e 100644 --- a/src/util/random.h +++ b/src/util/random.h @@ -28,7 +28,7 @@ namespace CVC4 { class Random { public: - Random(uint64_t seed) : d_seed(seed), d_state(seed) {} + Random(uint64_t seed) { setSeed(seed); } /* Get current RNG (singleton). */ static Random& getRandom() @@ -40,8 +40,8 @@ class Random /* Set seed of Random. */ void setSeed(uint64_t seed) { - d_seed = seed; - d_state = seed; + d_seed = seed == 0 ? ~seed : seed; + d_state = d_seed; } /* Next random uint64_t number. */ |