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premiere-libtorrent
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add missing files

This commit is contained in:
Arvid Norberg 2011-02-26 17:59:34 +00:00
parent 19e268bbe5
commit 3b68fb2a03
2 changed files with 37 additions and 0 deletions
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7
include/libtorrent/random.hpp Normal file
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#include <boost/cstdint.hpp>
namespace libtorrent
{
void random_seed(boost::uint32_t v);
boost::uint32_t random();
}

30
src/random.cpp Normal file
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#include "libtorrent/random.hpp"
namespace libtorrent
{
namespace
{
uint32_t x = 123456789;
}
void random_seed(boost::uint32_t v)
{
x = v;
}
// this is an xorshift random number generator
// see: http://en.wikipedia.org/wiki/Xorshift
boost::uint32_t random()
{
static uint32_t y = 362436069;
static uint32_t z = 521288629;
static uint32_t w = 88675123;
uint32_t t;
t = x ^ (x << 11);
x = y; y = z; z = w;
return w = w ^ (w >> 19) ^ (t ^ (t >> 8));
}
}