/usr/include/boost/gil/detail
Edit: /usr/include/boost/gil/detail/math.hpp (1125B)
//
// Copyright 2019 Olzhas Zhumabek
//
// Use, modification and distribution are subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_GIL_IMAGE_PROCESSING_DETAIL_MATH_HPP
#define BOOST_GIL_IMAGE_PROCESSING_DETAIL_MATH_HPP
#include
#include
namespace boost { namespace gil { namespace detail {
static constexpr double pi = 3.14159265358979323846;
static constexpr std::array dx_sobel = {{-1, 0, 1, -2, 0, 2, -1, 0, 1}};
static constexpr std::array dx_scharr = {{-1, 0, 1, -1, 0, 1, -1, 0, 1}};
static constexpr std::array dy_sobel = {{1, 2, 1, 0, 0, 0, -1, -2, -1}};
static constexpr std::array dy_scharr = {{1, 1, 1, 0, 0, 0, -1, -1, -1}};
template
inline detail::kernel_2d get_identity_kernel()
{
detail::kernel_2d kernel(1, 0, 0);
kernel[0] = 1;
return kernel;
}
}}} // namespace boost::gil::detail
#endif