mirror of
https://github.com/triqs/dft_tools
synced 2024-12-25 13:53:40 +01:00
87dc9aeaa5
- binning, jackknife, autocorrelation, observable. - DRAFT only : in development, debug. Doc to be written.
65 lines
1.5 KiB
C++
65 lines
1.5 KiB
C++
#include <triqs/arrays.hpp>
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#include <triqs/statistics.hpp>
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#include <iostream>
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using triqs::statistics::observable;
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using namespace triqs::arrays;
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template <typename T>
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std::ostream &operator<<(std::ostream &out, std::vector<T> const &v) {
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for (auto const &x : v)
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out << x << " ";
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return out;
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}
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int main() {
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try {
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{
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auto A = observable<double>{};
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for (int i = 0; i < 1000; ++i)
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A << 6;
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std::cout << average_and_error(A) << std::endl;
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}
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{
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auto A = observable<array<double, 2> >{};
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for (int i = 0; i < 1000; ++i)
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A << array<double, 2>{ { i, 2 * i }, { 3 * i, 4 * i } };
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for (int i = 0; i < 1000; ++i)
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A << 2 * array<double, 2>{ { i, 2 * i }, { 3 * i, 4 * i } };
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std::cout << average(A) << std::endl;
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std::cout << average_and_error(A) << std::endl;
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}
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{
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observable<double> A, B;
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for (int i = 0; i < 1000; ++i) {
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A << i;
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B << 5;
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}
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// operations
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auto ab = A / B;
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//auto ab_j = make_jackknife(A) / make_jackknife(B);
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double r = eval(ab, 1);
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std::cout << "eval A/B in 1 " << r << std::endl;
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r = eval(cos(A), 1);
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std::cout << r << " == " << std::cos(1) << std::endl;
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std::cout << "<A/B> = "<< average(A / B) << std::endl;
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std::cout << average_and_error(A / B) << std::endl;
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std::cout << average_and_error(cos(A)) << std::endl;
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std::cout << average_and_error(cos(A) / B) << std::endl;
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}
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}
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TRIQS_CATCH_AND_ABORT;
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}
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