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fix broken random device on mingw

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U-DESKTOP-T772REH\wangyu 2018-06-19 00:48:09 +08:00
parent a1dae3b22e
commit d85bb78139
1 changed files with 5 additions and 1 deletions
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6
common.cpp
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@ -158,7 +158,11 @@ struct my_random_t
my_random_t() my_random_t()
{ {
std::mt19937 gen_tmp(rd()); //std::mt19937 gen_tmp(rd()); //random device is broken on mingw
timespec tmp_time;
clock_gettime(CLOCK_MONOTONIC, &tmp_time);
long long a=((u64_t)tmp_time.tv_sec)*1000000000llu+((u64_t)tmp_time.tv_nsec);
std::mt19937 gen_tmp(a);
gen=gen_tmp; gen=gen_tmp;
gen.discard(700000); //magic gen.discard(700000); //magic
} }