30 lines
700 B
C
30 lines
700 B
C
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#ifndef CONCURRENCPP_RANDOM_H
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#define CONCURRENCPP_RANDOM_H
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#include <random>
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namespace concurrencpp::tests {
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class random {
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private:
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std::random_device rd;
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std::mt19937 mt;
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std::uniform_int_distribution<intptr_t> dist;
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public:
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random() noexcept : mt(rd()), dist(-1'000'000, 1'000'000) {}
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intptr_t operator()() {
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return dist(mt);
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}
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int64_t operator()(int64_t min, int64_t max) {
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const auto r = (*this)();
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const auto upper_limit = max - min + 1;
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return std::abs(r) % upper_limit + min;
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}
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};
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} // namespace concurrencpp::tests
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#endif // CONCURRENCPP_RANDOM_H
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