Segcolt/Bin-packing-SA-solution
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I am an idiot :)

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Segcolt 2024-10-12 18:53:12 -03:00
parent cd382540a4
commit d8086caa18
3 changed files with 11 additions and 6 deletions
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8
main.cpp
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@ -8,7 +8,11 @@
#endif #endif
#ifndef ALPHA #ifndef ALPHA
#define ALPHA 0.9999 #define ALPHA 0.99
#endif
#ifndef TEMP_MIN
#define TEMP_MIN 10
#endif #endif
int main() int main()
@ -23,7 +27,7 @@ int main()
} }
sa::solution act = sa::solution::simulated_annealing(capacity, items, sa::solution act = sa::solution::simulated_annealing(capacity, items,
TEMP, ALPHA); TEMP, ALPHA, TEMP_MIN);
act.print_sol(); act.print_sol();
} }

6
sa.cpp
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@ -2,7 +2,8 @@
#include <cmath> #include <cmath>
auto sa::solution::simulated_annealing(int capacity, const std::vector<long long> &items, auto sa::solution::simulated_annealing(int capacity, const std::vector<long long> &items,
const double alpha, double temp)->sa::solution const double alpha, double temp,
const double temp_min)->sa::solution
{ {
sa::solution best(items, capacity); sa::solution best(items, capacity);
best.randomize(); best.randomize();
@ -12,8 +13,7 @@ auto sa::solution::simulated_annealing(int capacity, const std::vector<long long
std::default_random_engine eng(rdevice()); std::default_random_engine eng(rdevice());
std::uniform_real_distribution<> rand(0, 1); std::uniform_real_distribution<> rand(0, 1);
const double temp_min = 0.30; while (temp > temp_min) {
while (temp < temp_min) {
sa::solution neighbor(prev); sa::solution neighbor(prev);
neighbor.setneighbor(); neighbor.setneighbor();

3
sa.hpp
View File

@ -93,7 +93,8 @@ class solution {
} }
static auto simulated_annealing(int capacity, const std::vector<long long> &items, static auto simulated_annealing(int capacity, const std::vector<long long> &items,
double alpha, double temp)->solution; double alpha, double temp,
double temp_min)->solution;
}; };
} // namespace sa } // namespace sa