56 lines
No EOL
1.4 KiB
C++
56 lines
No EOL
1.4 KiB
C++
/// @file grotto/gadgets/trigonometric/rad2deg.hpp
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/// @author Ryan Henry <ryan.henry@ucalgary.ca>
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/// @brief
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/// @copyright Copyright (c) 2019-2023 Ryan Henry and others
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/// @license Released under a GNU General Public v2.0 (GPLv2) license;
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/// see [LICENSE.md](@ref GPLv2) for details.
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#ifndef LIBDPF_INCLUDE_GROTTO_GADGETS_TRIGONOMETRY_RAD2DEG_HPP__
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#define LIBDPF_INCLUDE_GROTTO_GADGETS_TRIGONOMETRY_RAD2DEG_HPP__
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#include <cmath>
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#include <array>
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#include <limits>
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#include "../../gadget_hints.hpp"
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namespace grotto
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{
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namespace gadgets
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{
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struct rad2deg
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{
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template <typename T>
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T operator()(T x) {
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double X = std::fmod(static_cast<double>(x), 2*M_PI);
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if (X < 0) X += 2*M_PI;
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return X * M_PI / 180;
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}
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};
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template <>
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struct gadget_hints<rad2deg>
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{
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static constexpr double min = -M_PI;
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static constexpr double max = M_PI;
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static constexpr double poles[] = { };
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static constexpr double interesting_points[] = { };
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static constexpr unsigned degree = 1;
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static constexpr bool has_canonical_representation = true;
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static constexpr double canonical_bounds[] = { 0 };
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static constexpr std::array<double, degree+1> canonical_polys[] = { { M_PI/180, 0 } };
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};
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} // namespace gadgets
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} // namespace grotto
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#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_TRIGONOMETRY_RAD2DEG_HPP__
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// radians = degrees / 180 * M_PI
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// degrees = radians / M_PI * 180
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