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Initial import of libdpf.

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Co-authored-by: Cursor <cursoragent@cursor.com>
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Ryan Henry 2026-09-24 14:08:32 -06:00
commit e4e666f459
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include/grotto/gadgets/trigonometric/rad2deg.hpp Normal file
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/// @file grotto/gadgets/trigonometric/rad2deg.hpp
/// @author Ryan Henry <ryan.henry@ucalgary.ca>
/// @brief
/// @copyright Copyright (c) 2019-2023 Ryan Henry and others
/// @license Released under a GNU General Public v2.0 (GPLv2) license;
/// see [LICENSE.md](@ref GPLv2) for details.
#ifndef LIBDPF_INCLUDE_GROTTO_GADGETS_TRIGONOMETRY_RAD2DEG_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_TRIGONOMETRY_RAD2DEG_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "../../gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct rad2deg
{
template <typename T>
T operator()(T x) {
double X = std::fmod(static_cast<double>(x), 2*M_PI);
if (X < 0) X += 2*M_PI;
return X * M_PI / 180;
}
};
template <>
struct gadget_hints<rad2deg>
{
static constexpr double min = -M_PI;
static constexpr double max = M_PI;
static constexpr double poles[] = { };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 1;
static constexpr bool has_canonical_representation = true;
static constexpr double canonical_bounds[] = { 0 };
static constexpr std::array<double, degree+1> canonical_polys[] = { { M_PI/180, 0 } };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_TRIGONOMETRY_RAD2DEG_HPP__
// radians = degrees / 180 * M_PI
// degrees = radians / M_PI * 180