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[FIXED] Перепелкин Ярослав. Технология TBB. Построение выпуклой оболочки – проход Грэхема. Вариант 22 #672

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[FIXED] Перепелкин Ярослав. Технология TBB. Построение выпуклой оболочки – проход Грэхема. Вариант 22 #672

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14 changes: 3 additions & 11 deletions tasks/perepelkin_i_convex_hull_graham_scan/tbb/src/ops_tbb.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,6 @@
#include <tbb/parallel_reduce.h>
#include <tbb/parallel_sort.h>

#include <algorithm>
#include <cmath>
#include <cstddef>
#include <utility>
Expand Down Expand Up @@ -80,19 +79,12 @@ size_t PerepelkinIConvexHullGrahamScanTBB::FindPivotParallel(const std::vector<s

void PerepelkinIConvexHullGrahamScanTBB::ParallelSort(std::vector<std::pair<double, double>> &data,
const std::pair<double, double> &pivot) {
size_t n = data.size();

if (n < 10000) {
std::ranges::sort(data, [&](const auto &a, const auto &b) { return AngleCmp(a, b, pivot); });
return;
}

tbb::parallel_sort(data.begin(), data.end(), [&](const auto &a, const auto &b) { return AngleCmp(a, b, pivot); });
}

void perepelkin_i_convex_hull_graham_scan::PerepelkinIConvexHullGrahamScanTBB::HullConstruction(
std::vector<std::pair<double, double>> &hull, const std::vector<std::pair<double, double>> &pts,
const std::pair<double, double> &pivot) {
void PerepelkinIConvexHullGrahamScanTBB::HullConstruction(std::vector<std::pair<double, double>> &hull,
const std::vector<std::pair<double, double>> &pts,
const std::pair<double, double> &pivot) {
hull.reserve(pts.size() + 1);

hull.push_back(pivot);
Expand Down
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