diff options
Diffstat (limited to 'src/base/random_mt.cc')
| -rw-r--r-- | src/base/random_mt.cc | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/base/random_mt.cc b/src/base/random_mt.cc index 1492240ee..6ea54ec03 100644 --- a/src/base/random_mt.cc +++ b/src/base/random_mt.cc @@ -123,15 +123,15 @@ Random::genrand() int kk; for (kk = 0; kk < N - M; kk++) { - y = mt[kk] & UPPER_MASK | mt[kk+1] & LOWER_MASK; + y = (mt[kk] & UPPER_MASK) | (mt[kk+1] & LOWER_MASK); mt[kk] = mt[kk + M] ^ (y >> 1) ^ mag01[y & 0x1UL]; } for (; kk < N - 1; kk++) { - y = mt[kk] & UPPER_MASK | mt[kk+1] & LOWER_MASK; + y = (mt[kk] & UPPER_MASK) | (mt[kk+1] & LOWER_MASK); mt[kk] = mt[kk + (M - N)] ^ (y >> 1) ^ mag01[y & 0x1UL]; } - y = mt[N - 1] & UPPER_MASK | mt[0] & LOWER_MASK; + y = (mt[N - 1] & UPPER_MASK) | (mt[0] & LOWER_MASK); mt[N - 1] = mt[M - 1] ^ (y >> 1) ^ mag01[y & 0x1UL]; mti = 0; |