matrix/frobenius_form.hpp

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• Last update: 2025-06-06 17:43:29+09:00
• Include: #include "matrix/frobenius_form.hpp"

Depends on

• ベクトルが現在の基底と線形独立かどうかを判定する (matrix/basis.hpp)
• 行列 (matrix/matrix_field.hpp)
• type_traits/io.hpp

Code

#ifndef KK2_MATRIX_FROBENIUS_FORM_HPP
#define KK2_MATRIX_FROBENIUS_FORM_HPP 1

#include <vector>

#include "basis.hpp"

namespace kk2 {

namespace linear_algebra {

template <class Matrix, class Poly, class Field> struct FrobeniusForm_base {
    Matrix mat;
    std::vector<int> deg;
    std::vector<Poly> poly;

    // mat = P_inv frobenius P
    // P_inv = P^{-1}
    Matrix frobenius, P, P_inv;

    FrobeniusForm_base(const Matrix &mat_) : mat(mat_) {
        int n = mat.get_h();
        assert(n == mat.get_w());
        frobenius = P = Matrix(n, n);
        build();
    }

    void build() {
        int n = mat.get_h();
        Basis_base<Matrix, Field> basis;
        // 乱択で頑張る
    }
};

} // namespace linear_algebra

} // namespace kk2

#endif // KK2_MATRIX_FROBENIUS_FORM_HPP

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
    bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/opt/hostedtoolcache/Python/3.12.0/x64/lib/python3.12/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 312, in update
    raise BundleErrorAt(path, i + 1, "#pragma once found in a non-first line")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: type_traits/io.hpp: line 4: #pragma once found in a non-first line

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