GCC Code Coverage Report

Directory: ./
File: tasks/belov_e_sobel/stl/src/ops_stl.cpp
Date: 2026-06-04 20:25:32
Exec Total Coverage
Lines: 37 37 100.0%
Functions: 6 6 100.0%
Branches: 22 34 64.7%
Line Branch Exec Source
1 #include "belov_e_sobel/stl/include/ops_stl.hpp"
2
3 #include <algorithm>
4 #include <cmath>
5 #include <cstddef>
6 #include <cstdint>
7 #include <thread>
8 #include <vector>
9
10 #include "belov_e_sobel/common/include/common.hpp"
11 #include "util/include/util.hpp"
12
13 namespace belov_e_sobel {
14
15
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 16 BelovESobelSTL::BelovESobelSTL(const InType &in) {
16 SetTypeOfTask(GetStaticTypeOfTask());
17 GetInput() = in;
18 GetOutput() = in;
19 16 }
20
21
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 16 bool BelovESobelSTL::ValidationImpl() {
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 16 return !std::get<0>(GetInput()).empty() && (std::get<1>(GetInput()) > 0) && (std::get<2>(GetInput()) > 0);
23 }
24
25 16 bool BelovESobelSTL::PreProcessingImpl() {
26 16 return true;
27 }
28
29 16 bool BelovESobelSTL::RunImpl() {
30 const std::vector<uint8_t> &input = std::get<0>(GetInput());
31 std::vector<uint8_t> &output = std::get<0>(GetOutput());
32 16 int width = std::get<1>(GetInput());
33 16 int height = std::get<2>(GetInput());
34
35 auto get_px = [&](int col, int row) -> float {
36 6628064 int clamped_x = std::clamp(col, 0, width - 1);
37 6628064 int clamped_y = std::clamp(row, 0, height - 1);
38 6628064 return static_cast<float>(input[(static_cast<std::size_t>(clamped_y) * width) + clamped_x]);
39 16 };
40
41 16 int num_threads = ppc::util::GetNumThreads();
42
43 16 std::vector<std::thread> threads;
44 16 int rows_per_thread = height / num_threads;
45
46 40 auto worker = [&](int start_y, int end_y) {
47
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 9632 for (int row = start_y; row < end_y; ++row) {
48
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 6637656 for (int col = 0; col < width; ++col) {
49 6628064 float gx = (-1 * get_px(col - 1, row - 1)) + (1 * get_px(col + 1, row - 1)) + (-2 * get_px(col - 1, row)) +
50 6628064 (2 * get_px(col + 1, row)) + (-1 * get_px(col - 1, row + 1)) + (1 * get_px(col + 1, row + 1));
51
52 6628064 float gy = (-1 * get_px(col - 1, row - 1)) - (2 * get_px(col, row - 1)) - (1 * get_px(col + 1, row - 1)) +
53 6628064 (1 * get_px(col - 1, row + 1)) + (2 * get_px(col, row + 1)) + (1 * get_px(col + 1, row + 1));
54
55 6628064 float magnitude = std::sqrt((gx * gx) + (gy * gy));
56 6628064 output[(static_cast<std::size_t>(row) * width) + col] = static_cast<uint8_t>(std::min(255.0F, magnitude));
57 }
58 }
59 56 };
60
61
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 56 for (int i = 0; i < num_threads; ++i) {
62 40 int start_y = i * rows_per_thread;
63
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 40 int end_y = (i == num_threads - 1) ? height : start_y + rows_per_thread;
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65
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 40 threads.emplace_back(worker, start_y, end_y);
66 }
67
68
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 56 for (auto &t : threads) {
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 40 if (t.joinable()) {
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 40 t.join();
71 }
72 }
73
74 16 return true;
75 16 }
76
77
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 16 bool BelovESobelSTL::PostProcessingImpl() {
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 16 return !std::get<0>(GetOutput()).empty() && (std::get<1>(GetOutput()) > 0) && (std::get<2>(GetOutput()) > 0);
79 }
80
81 } // namespace belov_e_sobel
82