mirror of
https://github.com/triqs/dft_tools
synced 2024-11-01 11:43:47 +01:00
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
#include <triqs/arrays.hpp>
|
|
#include <triqs/statistics.hpp>
|
|
#include "./correlated_gaussian.hpp"
|
|
#include <iostream>
|
|
#include <ctime>
|
|
#define TEST(X) std::cout << BOOST_PP_STRINGIZE((X)) << " ---> "<< (X) <<std::endl<<std::endl;
|
|
using namespace triqs::statistics;
|
|
|
|
void test_0(){
|
|
//very simple test to test that everything works
|
|
|
|
observable<double> X;
|
|
X<<1.0;
|
|
X<<-1.0;
|
|
X<<.5;
|
|
X<<.0;
|
|
std::cout << average_and_error(X) << std::endl;
|
|
std::cout << average_and_error(X*X) << std::endl;
|
|
|
|
}
|
|
|
|
void test_1(int argc, char ** argv){
|
|
int N=100000, L=100;
|
|
if(argc==3){
|
|
N = atoi(argv[1]); //size
|
|
L = atoi(argv[2]); //autocorrelation time
|
|
}
|
|
std::cout << "N = " << N << std::endl;
|
|
std::cout << "L = " << L << std::endl;
|
|
int seed= 1567;
|
|
std::vector<double> A(N);
|
|
correlated_gaussian_vector(A, seed, L);
|
|
double intrinsic_variance = 1;
|
|
|
|
auto t1 = clock();
|
|
TEST( autocorrelation_time(A));
|
|
//std::cout << "time = " << double( clock()-t1)/CLOCKS_PER_SEC << std::endl;
|
|
//t1 = clock();
|
|
TEST( autocorrelation_time_from_binning(A,intrinsic_variance));
|
|
TEST( autocorrelation_time_from_binning(A));
|
|
//std::cout << "time = " << double( clock()-t1)/CLOCKS_PER_SEC << std::endl;
|
|
//t1 = clock();
|
|
//TEST( autocorrelation_time_from_binning2(A));
|
|
//std::cout << "time = " << double( clock()-t1)/CLOCKS_PER_SEC << std::endl;
|
|
}
|
|
|
|
void test_2(int argc, char ** argv){
|
|
int N=100000, L=40;
|
|
if(argc==3){
|
|
N = atoi(argv[1]); //size
|
|
L = atoi(argv[2]); //autocorrelation time
|
|
}
|
|
int seed= 1567;
|
|
double avg = 2;
|
|
std::vector<double> A(N);
|
|
correlated_gaussian_vector(A, seed, L, avg);
|
|
|
|
observable<double> V;
|
|
for (auto & x:A) V << x;
|
|
TEST(autocorrelation_time(V));
|
|
TEST(autocorrelation_time_from_binning(V));
|
|
//TEST(autocorrelation_time_from_binning2(V));
|
|
TEST(autocorrelation_time(V*V));
|
|
}
|
|
|
|
|
|
int main(int argc, char ** argv){
|
|
try{ test_0(); } catch(std::exception const & e){ std::cerr << e.what() << std::endl;}
|
|
try{ test_1(argc,argv); } catch(std::exception const & e){ std::cerr << e.what() << std::endl;}
|
|
try{ test_2(argc,argv); } catch(std::exception const & e){ std::cerr << e.what() << std::endl;}
|
|
}
|
|
|