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#include "random.h"
#include <time.h>
static uint64_t seed;
static bool enabled = true;
uint8_t GB_random(void)
{
if (!enabled) return 0;
seed *= 0x27BB2EE687B0B0FDL;
seed += 0xB504F32D;
return seed >> 56;
}
uint32_t GB_random32(void)
{
GB_random();
return seed >> 32;
}
void GB_random_seed(uint64_t new_seed)
{
seed = new_seed;
}
void GB_random_set_enabled(bool enable)
{
enabled = enable;
}
static void __attribute__((constructor)) init_seed(void)
{
seed = time(NULL);
for (unsigned i = 64; i--;) {
GB_random();
}
}
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