139 lines
2.7 KiB
C++
139 lines
2.7 KiB
C++
#ifndef ALSK_TESTS_COMMON_H
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#define ALSK_TESTS_COMMON_H
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#include <numeric>
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#include <initializer_list>
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#include <tuple>
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#include <utility>
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extern std::size_t _copy;
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extern std::size_t _move;
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template<typename T>
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struct Measure {
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using value_type = T;
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T v;
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Measure() = default;
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explicit Measure(int n): v(n) {}
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Measure(T const& v): v{v} { ++_copy; }
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Measure(T&& v): v{std::move(v)} { ++_move; }
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Measure(Measure const& o): v{o.v} { ++_copy; }
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Measure(Measure&& o): v{std::move(o.v)} { ++_move; }
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Measure& operator=(T const& v) {
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this->v = v;
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++_copy;
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return *this;
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}
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Measure& operator=(T&& v) {
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this->v = std::move(v);
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++_move;
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return *this;
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}
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Measure& operator=(Measure const& o) {
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if(this == &o) return *this;
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this->v = o.v;
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++_copy;
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return *this;
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}
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Measure& operator=(Measure&& o) {
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if(this == &o) return *this;
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this->v = std::move(o.v);
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++_move;
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return *this;
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}
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decltype(auto) begin() const { return v.begin(); }
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decltype(auto) end() const { return v.end(); }
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decltype(auto) size() const { return v.size(); }
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decltype(auto) operator[](std::size_t i) const { return v[i]; }
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decltype(auto) operator[](std::size_t i) { return v[i]; }
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};
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struct Add {
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template<typename T>
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T operator()(T const& lhs, T const& rhs) { return lhs+rhs; }
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};
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struct Mult {
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template<typename T>
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T operator()(T const& lhs, T const& rhs) { return lhs*rhs; }
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};
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struct Div {
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template<typename T>
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T operator()(T const& lhs, T const& rhs) { return lhs/rhs; }
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};
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struct Sqrt {
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template<typename T>
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T operator()(T const& lhs) { return sqrt(lhs); }
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};
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template<typename T>
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struct MultC {
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T m;
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template<typename U>
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auto operator()(U const& lhs) { return lhs*m; }
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};
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struct Tupler {
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template<typename... Ts>
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auto operator()(Ts const&... values) { return std::make_tuple(values...); }
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};
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/* for copy/move count test */
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template<typename Vector>
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struct MultiplyBy {
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Vector coeffs;
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MultiplyBy() = default;
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MultiplyBy(Vector const& coeffs): coeffs{coeffs} {}
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MultiplyBy(Vector&& coeffs): coeffs{std::move(coeffs)} {}
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int operator()(int v) const {
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return std::accumulate(std::begin(coeffs), std::end(coeffs), v,
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[](int a, int b) { return a*b; });
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}
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};
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template<typename Vector>
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struct Process {
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Vector operator()(int n, int a) const {
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Vector v(n);
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for(int i = 0; i < n; ++i)
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v[i] = a+i;
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return v;
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}
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};
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template<typename Vector>
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struct ProdVect {
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void operator()(int& r, Vector const& a, Vector const& b) const {
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r = 0;
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for(std::size_t i = 0; i < a.size(); ++i)
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r += a[i] * b[i];
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}
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};
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template<typename Vector>
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struct Sum {
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Vector operator()(Vector const& a, Vector const& b) const {
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Vector r(a.size());
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for(std::size_t i = 0; i < a.size(); ++i)
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r[i] = a[i] * b[i];
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return r;
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}
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};
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#endif
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