responses.hpp

Go to the documentation of this file.

// toolboxes/signal/include/nk/signal/filter_analysis/responses.hpp
//
// Time- and phase-domain response helpers around the (b, a) digital-
// filter representation. Built on the existing filter() / freqz()
// kernels — no new SIMD here.
 
#pragma once
 
#include <memory_resource>
#include <nk/value/value.hpp>
 
#include <tuple>
 
namespace nk::signal {

 

std::tuple<Value, Value>
impz(const Value &                b,
     const Value &                a,
     size_t                       n  = 0,
     std::pmr::memory_resource *  mr = nullptr);

size_t impzlength(const Value &                b,
                  const Value &                a,
                  std::pmr::memory_resource *  mr = nullptr);

std::tuple<Value, Value>
stepz(const Value &                b,
      const Value &                a,
      size_t                       n  = 0,
      std::pmr::memory_resource *  mr = nullptr);

std::tuple<Value, Value>
phasedelay(const Value &                b,
           const Value &                a,
           size_t                       n  = 512,
           std::pmr::memory_resource *  mr = nullptr);

std::tuple<Value, Value>
zerophase(const Value &                b,
          const Value &                a,
          size_t                       n  = 512,
          std::pmr::memory_resource *  mr = nullptr);
 

} // namespace nk::signal