props.hpp

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// toolboxes/control/include/nk/control/props/props.hpp
//
// Predicates and analytic properties of an LTI struct value (tf, zpk,
// or ss as built by toolboxes/control/lti).
 
#pragma once
 
#include <memory_resource>
#include <nk/value/value.hpp>
#include <utility>
 
namespace nk::control {

 


Value isct(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value isdt(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value issiso(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value isproper(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value isstable(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value order(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value pole(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value zero(const Value &sys, std::pmr::memory_resource *mr = nullptr);

struct DampResult {
    Value wn;     
    Value zeta;   
    Value p;      
};

DampResult damp(const Value &sys,
                std::pmr::memory_resource *mr = nullptr);

std::pair<Value, Value>
pzmap(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value isstatic(const Value &sys, std::pmr::memory_resource *mr = nullptr);

Value tzero(const Value &sys, std::pmr::memory_resource *mr = nullptr);
 

} // namespace nk::control