56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/// @file grotto/gadgets/elementary/boxcar.hpp
|
|
/// @author Ryan Henry <ryan.henry@ucalgary.ca>
|
|
/// @brief Cleartext reference for `boxcar`.
|
|
/// @copyright Copyright (c) 2019-2023 Ryan Henry and others
|
|
/// @license Released under a GNU General Public v2.0 (GPLv2) license;
|
|
/// see [LICENSE.md](@ref license) for details.
|
|
|
|
#ifndef LIBDPF_INCLUDE_GROTTO_GADGETS_ELEMENTARY_BOXCAR_HPP__
|
|
#define LIBDPF_INCLUDE_GROTTO_GADGETS_ELEMENTARY_BOXCAR_HPP__
|
|
|
|
#include <array>
|
|
#include <limits>
|
|
|
|
#include "grotto/gadget_hints.hpp"
|
|
|
|
namespace grotto
|
|
{
|
|
|
|
namespace gadgets
|
|
{
|
|
|
|
static constexpr double boxcar_default_outside = 0;
|
|
static constexpr double boxcar_default_inside = 1;
|
|
|
|
template <double const & from,
|
|
double const & to,
|
|
double const & outside = boxcar_default_outside,
|
|
double const & inside = boxcar_default_inside>
|
|
struct boxcar
|
|
{
|
|
template <typename T>
|
|
T operator()(T x) { return (x < from || x > to) ? outside : inside; }
|
|
};
|
|
|
|
|
|
template <double const & from,
|
|
double const & to,
|
|
double const & outside,
|
|
double const & inside>
|
|
struct gadget_hints<boxcar<from, to, inside, outside>>
|
|
{
|
|
static constexpr double min = std::numeric_limits<double>::min();
|
|
static constexpr double max = std::numeric_limits<double>::max();
|
|
static constexpr unsigned degree = 0;
|
|
static constexpr double poles[] = { };
|
|
static constexpr bool has_canonical_representation = true;
|
|
static constexpr double interesting_points[] = { from, to };
|
|
static constexpr double canonical_bounds[] = { from, to };
|
|
static constexpr std::array<double, degree+1> canonical_polys[] = { outside, inside, outside };
|
|
};
|
|
|
|
} // namespace gadgets
|
|
|
|
} // namespace grotto
|
|
|
|
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_ELEMENTARY_BOXCAR_HPP__
|