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class sum_change_tracking : public change_tracking<T> { |
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class sum_change_tracking : public change_tracking<T> { |
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protected: |
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protected: |
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static SUM s_; |
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static SUM s_; |
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void update_sum() { s_.sum_ += change_; } |
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void update_sum() { s_.sum_ += change_tracking<T>::change_; } |
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public: |
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public: |
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sum_change_tracking() {}; |
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sum_change_tracking() {}; |
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sum_change_tracking(T first) : change_tracking<T>(first) { update_sum(frst); }; |
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sum_change_tracking(T first) : change_tracking<T>(first) { update_sum(first); }; |
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~sum_change_tracking() { tick_incr(-last_); }; |
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~sum_change_tracking() { tick_incr(-change_tracking<T>::last_); }; |
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void tick_set(T current) { change_tracking<T>::tick_set(current); update_sum(); }; |
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void tick_set(T current) { change_tracking<T>::tick_set(current); update_sum(); }; |
