matrix_functions.hpp

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// toolboxes/linalg/include/nk/linalg/matrix_functions.hpp
//
// Matrix functions: expm, logm, sqrtm. Migrated from
// toolboxes/builtin/src/language/arrays/matrix.cpp.
 
#pragma once
 
#include <complex>
#include <functional>
#include <memory_resource>
#include <string>
#include <nk/value/value.hpp>
 
namespace nk::linalg {

 

Value expm(const Value &A, std::pmr::memory_resource *mr = nullptr);

Value logm_sym(const Value &A, std::pmr::memory_resource *mr = nullptr);

Value sqrtm_sym(const Value &A, std::pmr::memory_resource *mr = nullptr);

Value sqrtm(const Value &A, std::pmr::memory_resource *mr = nullptr);

Value logm(const Value &A, std::pmr::memory_resource *mr = nullptr);

Value sylvester(const Value &A, const Value &B, const Value &C,
                std::pmr::memory_resource *mr = nullptr);

Value expmv(double t, const Value &A, const Value &v,
            std::pmr::memory_resource *mr = nullptr);

Value funm(const Value &A, std::function<std::complex<double>(std::complex<double>)> f,
           std::pmr::memory_resource *mr = nullptr);

Value funm(const Value &A, const std::string &fnName,
           std::pmr::memory_resource *mr = nullptr);
 

} // namespace nk::linalg