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Pivot/test/test_random_kernel.cpp
Persson-dev 8c004b64ed
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caca
2024-05-14 19:00:04 +02:00

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C++

#include "Solver.h"
#include "test_assert.h"
#include <cstdlib>
#include <future>
#include <iostream>
#include <vector>
static constexpr int EXECUTION_COUNT = 1000;
static constexpr int KERNEL_CHECKS = 100;
static constexpr int MATRIX_MAX_SIZE = 9;
static const Solver solver;
static int GetRandomInt() {
return rand() % 11 - 5;
}
#define print_time(i) \
end = std::chrono::system_clock::now(); \
elapsed_seconds = end - start; \
std::cout << "elapsed time " << i << " : " << elapsed_seconds.count() << "s" << std::endl; \
start = std::chrono::system_clock::now()
static unsigned int GetRandomSize() {
return rand() % MATRIX_MAX_SIZE + 1;
}
static Matrix GetRandomMatrix(std::size_t a_Raw, std::size_t a_Column) {
Matrix matrix {a_Raw, a_Column};
for (std::size_t i = 0; i < matrix.GetRawCount(); i++) {
for (std::size_t j = 0; j < matrix.GetColumnCount(); j++) {
matrix.at(i, j) = GetRandomInt();
}
}
return matrix;
}
static bool Test() {
auto start = std::chrono::system_clock::now();
auto begin = start;
auto end = start;
std::chrono::duration<double> elapsed_seconds = end - start;
std::cout << "Begin\n";
Matrix matrix = GetRandomMatrix(GetRandomSize(), GetRandomSize());
print_time(1);
Matrix copy = matrix;
Vect kernel = solver.Kernel(std::move(copy));
print_time(2);
Matrix nullVector {matrix.GetRawCount(), 1};
nullVector.Fill(0.0);
for (std::size_t i = 0; i < kernel.GetCardinal(); i++) {
Matrix result = matrix * kernel.GetVector(i);
if(!(result == nullVector)) {
test_assert(false);
}
}
print_time(3);
for (std::size_t i = 0; i < KERNEL_CHECKS; i++) {
Matrix vector = GetRandomMatrix(kernel.GetDimension(), 1);
test_assert(kernel.IsElementOf(vector) == (matrix * vector == nullVector));
}
print_time(4);
Matrix linearSystem = kernel.GetLinearSystem();
print_time(5);
Vect kernel2 = solver.Kernel(std::move(linearSystem));
test_assert(kernel == kernel2);
print_time(6);
elapsed_seconds = end - begin;
std::cout << "final elapsed time: " << elapsed_seconds.count() << "s" << std::endl;
std::cout << "End\n";
return true;
}
int main() {
srand(time(0));
std::vector<std::future<bool>> results;
// appelle la fonction Test() en parallèle
for (int i = 0; i < EXECUTION_COUNT; i++) {
auto handle = std::async(std::launch::async, &Test);
results.push_back(std::move(handle));
// Test();
}
for (auto& result : results) {
if (!result.get())
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}