epee: allow copying a rolling_median_t object
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@ -126,7 +126,6 @@ private:
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protected:
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rolling_median_t &operator=(const rolling_median_t&) = delete;
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rolling_median_t(const rolling_median_t&) = delete;
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public:
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//creates new rolling_median_t: to calculate `nItems` running median.
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@ -139,6 +138,20 @@ public:
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clear();
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}
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rolling_median_t(const rolling_median_t &other)
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{
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N = other.N;
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int size = N * (sizeof(Item) + sizeof(int) * 2);
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data = (Item*)malloc(size);
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memcpy(data, other.data, size);
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pos = (int*) (data + N);
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heap = pos + N + (N / 2); //points to middle of storage.
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idx = other.idx;
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minCt = other.minCt;
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maxCt = other.maxCt;
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sz = other.sz;
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}
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rolling_median_t(rolling_median_t &&m)
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{
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memcpy(this, &m, sizeof(rolling_median_t));
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@ -211,3 +211,21 @@ TEST(rolling_median, size)
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ASSERT_EQ(m.size(), std::min<int>(10, i + 2));
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}
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}
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TEST(rolling_median, copy)
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{
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epee::misc_utils::rolling_median_t<uint64_t> m(100);
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for (int i = 0; i < 100; ++i)
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m.insert(rand());
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epee::misc_utils::rolling_median_t<uint64_t> copy(m);
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for (int i = 0; i < 5000; ++i)
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{
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uint64_t v = rand();
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m.insert(v);
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copy.insert(v);
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ASSERT_EQ(m.median(), copy.median());
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}
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}
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