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/*
* mptRandom.cpp
* -------------
* Purpose: PRNG
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#include "stdafx.h"
#include "mptRandom.h"
OPENMPT_NAMESPACE_BEGIN
namespace mpt
{
#if defined(MODPLUG_TRACKER) && !defined(MPT_BUILD_WINESUPPORT)
static mpt::random_device *g_rd = nullptr;
static mpt::thread_safe_prng<mpt::default_prng> *g_global_prng = nullptr;
void set_global_random_device(mpt::random_device *rd)
{
g_rd = rd;
}
void set_global_prng(mpt::thread_safe_prng<mpt::default_prng> *prng)
{
g_global_prng = prng;
}
mpt::random_device & global_random_device()
{
return *g_rd;
}
mpt::thread_safe_prng<mpt::default_prng> & global_prng()
{
return *g_global_prng;
}
#else
mpt::random_device & global_random_device()
{
static mpt::random_device g_rd;
return g_rd;
}
mpt::thread_safe_prng<mpt::default_prng> & global_prng()
{
static mpt::thread_safe_prng<mpt::default_prng> g_global_prng(mpt::make_prng<mpt::default_prng>(global_random_device()));
return g_global_prng;
}
#endif // MODPLUG_TRACKER && !MPT_BUILD_WINESUPPORT
} // namespace mpt
OPENMPT_NAMESPACE_END
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