convolve.hpp

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/* Copyright (c) 2023 Otto Link. Distributed under the terms of the GNU General
   Public License. The full license is in the file LICENSE, distributed with
   this software. */
 
#pragma once
 
#include "highmap/array.hpp"
#include "macrologger.h"
 
namespace hmap
{
 
Array convolve1d_i(const Array &array, const std::vector<float> &kernel);
 
Array convolve1d_j(const Array &array, const std::vector<float> &kernel);
 
Array convolve2d(const Array &array, const Array &kernel);
 
Array convolve2d_truncated(const Array &array, const Array &kernel);
 
Array convolve2d_svd(const Array &z, const Array &kernel, int rank = 3);
 
Array convolve2d_svd_rotated_kernel(const Array &z,
                                    const Array &kernel,
                                    int          rank = 3,
                                    int          n_rotations = 6,
                                    uint         seed = 1);
 
} // namespace hmap