thread_id_t iteration_begin_impl()
{
stree_depth_ = 0;
unsigned const index = rand_impl(this->running_threads_count, sched_type_sched);
thread_id_t const th = this->running_threads[index];
return th;
}
const int mrt::random(const unsigned max) {
if (max < 2)
return 0;
// int bits;
// unsigned m = max;
// for(bits = 1; m >>= 1; ++bits);
// bits = (32 - bits) / 2; //take middle bits of the generated number
unsigned x = rand_impl();
/*
unsigned len, n = max;
for(len = 0; n != 0; n >>= 1, ++len);
assert(len > 0 && len <= 32);
len = (32 - len);
//LOG_DEBUG(("random len: %u for maximum %u", len, max));
//LOG_DEBUG(("random number: 0x%08x, shifted: %u, max: %u", x, x >> len, max));
x >>= len;
*/
//x = (x >> bits) % max;
x %= max;
//LOG_DEBUG(("result: %u of %d, bits: %d", x, max, bits));
return (int)x;
}
