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Use boost::random_device for seeding the default RNG

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And use std::mt19937 as the RNG backend instead of boost::mt19937.
This commit is contained in:
Jyrki Vesterinen 2016-10-16 20:37:25 +03:00
parent ab1b499730
commit 442aec7ce1
1 changed files with 6 additions and 3 deletions
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9
src/random_new.cpp
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@ -18,8 +18,8 @@
#include <cassert>
#include <stdlib.h>
#include <boost/random/mersenne_twister.hpp>
#include <random>
#include <boost/random/random_device.hpp>
static lg::log_domain log_random("random");
#define DBG_RND LOG_STREAM(debug, log_random)
@ -35,7 +35,10 @@ namespace {
rng_default()
: gen_()
{
std::random_device entropy_source;
/* Note: do not replace this with std::random_device.
* @cbeck88 told in IRC (2016-10-16) that std::random_device
* is very poorly implemented in MinGW. */
boost::random_device entropy_source;
gen_.seed(entropy_source());
}
protected:
@ -44,7 +47,7 @@ namespace {
return gen_();
}
private:
boost::mt19937 gen_;
std::mt19937 gen_;
};
}