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#ifndef RNGH
#define RNGH
#include <random>
#define extended extended_rng
#include "pcg/pcg_random.hpp"
class random_gen {
public:
// Define result_type for compatibility with standard library requirements
using result_type = uint32_t;
random_gen(unsigned int seed) : rng(seed) {}
random_gen() : rng(pcg_extras::seed_seq_from<std::random_device>{}) {}
// The uniform random number generator function
float unif_rand() {
return std::ldexp(rng(), -32);
}
uint32_t UniformUInt32(uint32_t b) {
uint32_t threshold = (~b + 1u) % b;
while (true) {
uint32_t r = rng();
if (r >= threshold)
return r % b;
}
}
// Call operator to satisfy UniformRandomBitGenerator requirements
result_type operator()() {
return rng();
}
// Static methods to satisfy UniformRandomBitGenerator requirements
static constexpr result_type min() {
return pcg32::min();
}
static constexpr result_type max() {
return pcg32::max();
}
pcg32 rng;
};
#endif
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