| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include <cmath> | ||
| 4 | #include <cstdint> | ||
| 5 | #include <string> | ||
| 6 | #include <tuple> | ||
| 7 | |||
| 8 | #include "task/include/task.hpp" | ||
| 9 | |||
| 10 | namespace popova_e_integr_monte_carlo { | ||
| 11 | |||
| 12 | enum class FuncType : std::uint8_t { | ||
| 13 | kLinearFunc = 0, // 2x + 7 | ||
| 14 | kQuadraticFunc = 1, // 5x - 3x^2 + 7 | ||
| 15 | kCubicFunc = 2, // x^3 - 4x | ||
| 16 | kCosFunc = 3, // cos(2x) | ||
| 17 | kExpFunc = 4 // 2x * exp(-2x) + 4 | ||
| 18 | }; | ||
| 19 | |||
| 20 | class FunctionPair { | ||
| 21 | public: | ||
| 22 | 1967400 | static double Function(FuncType func_id, double x) { | |
| 23 |
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1967400 | switch (func_id) { |
| 24 | 729000 | case FuncType::kLinearFunc: | |
| 25 | 729000 | return ((2.0 * x) + 7.0); | |
| 26 | 414000 | case FuncType::kQuadraticFunc: | |
| 27 | 414000 | return ((5.0 * x) - (3.0 * x * x) + 7.0); | |
| 28 | 5400 | case FuncType::kCubicFunc: | |
| 29 | 5400 | return ((x * x * x) - (4.0 * x)); | |
| 30 | 90000 | case FuncType::kCosFunc: | |
| 31 | 90000 | return (std::cos(2.0 * x)); | |
| 32 | 729000 | case FuncType::kExpFunc: | |
| 33 | 729000 | return ((2.0 * x * std::exp(-2.0 * x)) + 4.0); | |
| 34 | default: | ||
| 35 | return 0.0; | ||
| 36 | } | ||
| 37 | } | ||
| 38 | |||
| 39 | 200 | static double Integral(FuncType func_id, double x) { | |
| 40 |
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200 | switch (func_id) { |
| 41 | 40 | case FuncType::kLinearFunc: | |
| 42 | 40 | return ((x * x) + (7.0 * x)); | |
| 43 | 40 | case FuncType::kQuadraticFunc: | |
| 44 | 40 | return ((2.5 * x * x) - (x * x * x) + (7.0 * x)); | |
| 45 | 40 | case FuncType::kCubicFunc: | |
| 46 | 40 | return ((0.25 * x * x * x * x) - (2.0 * x * x)); | |
| 47 | 40 | case FuncType::kCosFunc: | |
| 48 | 40 | return (0.5 * std::sin(2.0 * x)); | |
| 49 | 40 | case FuncType::kExpFunc: | |
| 50 | 40 | return ((-(x + 0.5) * std::exp(-2.0 * x)) + (4.0 * x)); | |
| 51 | default: | ||
| 52 | return 0.0; | ||
| 53 | } | ||
| 54 | } | ||
| 55 | }; | ||
| 56 | |||
| 57 | using InType = std::tuple<double, double, int, FuncType>; | ||
| 58 | using OutType = double; | ||
| 59 | using TestType = std::tuple<std::tuple<double, double, int, FuncType>, std::string>; | ||
| 60 | using BaseTask = ppc::task::Task<InType, OutType>; | ||
| 61 | |||
| 62 | } // namespace popova_e_integr_monte_carlo | ||
| 63 |