random.cc

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#include "base/random.hh"
 
#include <algorithm>
#include <sstream>
 
namespace gem5
{
 
Random::Random(uint32_t s)
{
    init(s);
}
 
Random::~Random()
{
    if (instances) {
        // Remove expired weak pointers
        instances->erase(
            std::remove_if(instances->begin(), instances->end(),
                [](const std::weak_ptr<Random>& ptr) {
                    return ptr.expired();
                }),
            instances->end());
 
        // Clean up instances if empty
        if (instances->empty()) {
            delete instances;
            instances = nullptr;
        }
    }
}
 
void
Random::init(uint32_t s)
{
    gen.seed(s);
}
 
uint64_t Random::globalSeed = 5489;
Random::Instances* Random::instances = nullptr;
 
} // namespace gem5