windows.hpp

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// toolboxes/signal/include/nk/signal/windows/windows.hpp
#pragma once
 
#include <memory_resource>
#include <nk/value/value.hpp>
 
namespace nk::signal {

 
 
// ─────────────────────────────────────────────────────────────────────
// Window generators — every function returns an N×1 DOUBLE column.
//
// Shapes and values are bit-identical for the documented forms.
// ─────────────────────────────────────────────────────────────────────

Value hamming(size_t N, std::pmr::memory_resource *mr = nullptr);

Value hann(size_t N, std::pmr::memory_resource *mr = nullptr);

Value blackman(size_t N, std::pmr::memory_resource *mr = nullptr);

Value kaiser(size_t N, double beta, std::pmr::memory_resource *mr = nullptr);

Value rectwin(size_t N, std::pmr::memory_resource *mr = nullptr);

Value bartlett(size_t N, std::pmr::memory_resource *mr = nullptr);

Value triang(size_t N, std::pmr::memory_resource *mr = nullptr);

Value tukeywin(size_t N, double r = 0.5,
               std::pmr::memory_resource *mr = nullptr);

Value flattopwin(size_t N, std::pmr::memory_resource *mr = nullptr);

Value gausswin(size_t N, double alpha = 2.5,
               std::pmr::memory_resource *mr = nullptr);

Value chebwin(size_t N, double at = 100.0,
              std::pmr::memory_resource *mr = nullptr);

Value parzenwin(size_t N, std::pmr::memory_resource *mr = nullptr);

Value nuttallwin(size_t N, std::pmr::memory_resource *mr = nullptr);

Value taylorwin(size_t N, int nbar = 4, double sll = -30.0,
                std::pmr::memory_resource *mr = nullptr);

Value blackmanharris(size_t N, std::pmr::memory_resource *mr = nullptr);

Value bohmanwin(size_t N, std::pmr::memory_resource *mr = nullptr);

Value barthannwin(size_t N, std::pmr::memory_resource *mr = nullptr);
 

} // namespace nk::signal