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AK: Allow Statistics to be used with any container type

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This not only facilitates using non-owning types, but also those that
cannot be default-constructed.
This commit is contained in:
kleines Filmröllchen 2023-08-13 14:15:37 +02:00 committed by Jelle Raaijmakers
parent 9aaf516bdd
commit 3d0da734ee
Notes: sideshowbarker 2024-07-17 03:03:37 +09:00 
Author: https://github.com/kleinesfilmroellchen
Commit: https://github.com/SerenityOS/serenity/commit/3d0da734ee
Pull-request: https://github.com/SerenityOS/serenity/pull/19905
Reviewed-by: https://github.com/gmta ✅
1 changed files with 10 additions and 3 deletions
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13
AK/Statistics.h
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@ -17,12 +17,19 @@ namespace AK {
static constexpr int ODD_NAIVE_MEDIAN_CUTOFF = 200; static constexpr int ODD_NAIVE_MEDIAN_CUTOFF = 200;
static constexpr int EVEN_NAIVE_MEDIAN_CUTOFF = 350; static constexpr int EVEN_NAIVE_MEDIAN_CUTOFF = 350;
template<Arithmetic T = float> template<Arithmetic T = float, typename ContainerType = Vector<T>>
class Statistics { class Statistics {
public: public:
Statistics() = default; Statistics() = default;
~Statistics() = default; ~Statistics() = default;
explicit Statistics(ContainerType&& existing_container)
: m_values(forward<ContainerType>(existing_container))
{
for (auto const& value : m_values)
m_sum += value;
}
void add(T const& value) void add(T const& value)
{ {
// FIXME: Check for an overflow // FIXME: Check for an overflow
@ -107,11 +114,11 @@ public:
return summation; return summation;
} }
Vector<T> const& values() const { return m_values; } ContainerType const& values() const { return m_values; }
size_t size() const { return m_values.size(); } size_t size() const { return m_values.size(); }
private: private:
Vector<T> m_values; ContainerType m_values;
T m_sum {}; T m_sum {};
}; };