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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/hyperbolic/acosh.hpp Normal file
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/// @file grotto/gadgets/hyperbolic/acosh.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_HYPERBOLIC_ACOSH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ACOSH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
// Returns the inverse hyperbolic cosine of a number.
// The number must be greater than or equal to 1.
struct acosh
{
template <typename T>
T operator()(T x) {
if (x < 1) return -1; // TODO
return std::acosh(static_cast<double>(x)); }
};
template <>
struct gadget_hints<acosh>
{
static constexpr double min = 1;
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ACOSH_HPP__

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/// @file grotto/gadgets/hyperbolic/acoth.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_HYPERBOLIC_ACOTH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ACOTH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct acoth
{
template <typename T>
T operator()(T x) {
if (std::abs(x) <= 1) return 0; // TODO
return std::atanh(1 / static_cast<double>(x)); }
};
template <>
struct gadget_hints<acoth>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { -1, 1 };
static constexpr double interesting_points[] = { -1, 1 };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ACOTH_HPP__

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include/grotto/gadgets/hyperbolic/acsch.hpp Normal file
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/// @file grotto/gadgets/hyperbolic/acsch.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_HYPERBOLIC_ACSCH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ACSCH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct acsch
{
template <typename T>
T operator()(T x)
{
if (x == 0) return 0; // TODO
if (x < 0) return std::max(std::asinh(1/static_cast<double>(x)), std::numeric_limits<T>::min());
if (x > 0) return std::min(std::asinh(1/static_cast<double>(x)), std::numeric_limits<T>::max());
}
};
template <>
struct gadget_hints<acsch>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { 0 };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ACSCH_HPP__

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/// @file grotto/gadgets/hyperbolic/asech.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_HYPERBOLIC_ASECH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ASECH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct asech
{
template <typename T>
T operator()(T x)
{
if (x <= 0) return 0; // TODO
if (x > 1) return 0; // TODO
return std::acosh(1/static_cast<double>(x));
}
};
template <>
struct gadget_hints<asech>
{
static constexpr double min = 0;
static constexpr double max = 1;
static constexpr double poles[] = { 0 };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ASECH_HPP__

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/// @file grotto/gadgets/hyperbolic/asinh.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_HYPERBOLIC_ASINH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ASINH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct asinh
{
template <typename T>
T operator()(T x) { return std::asinh(static_cast<double>(x)); }
};
template <>
struct gadget_hints<asinh>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ASINH_HPP__

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/// @file grotto/gadgets/hyperbolic/atanh.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_HYPERBOLIC_ATANH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ATANH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct atanh
{
template <typename T>
T operator()(T x)
{
if (std::abs(x) >= 1) return 0;
return std::atanh(static_cast<double>(x));
}
};
template <>
struct gadget_hints<atanh>
{
static constexpr double min = -1;
static constexpr double max = 1;
static constexpr double poles[] = { -1, 1 };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_ATANH_HPP__

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/// @file grotto/gadgets/hyperbolic/cosh.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_HYPERBOLIC_COSH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_COSH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct cosh
{
template <typename T>
T operator()(T x) { return std::min(std::cosh(static_cast<double>(x)), std::numeric_limits<T>::max()); }
};
template <>
struct gadget_hints<cosh>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_COSH_HPP__

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/// @file grotto/gadgets/hyperbolic/coth.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_HYPERBOLIC_COTH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_COTH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct coth
{
template <typename T>
T operator()(T x)
{
if (x == 0) return 0;
if (x < 0) return std::max(std::cosh(static_cast<double>(x))/std::sinh(static_cast<double>(x)), std::numeric_limits<T>::min());
if (x > 0) return std::min(std::cosh(static_cast<double>(x))/std::sinh(static_cast<double>(x)), std::numeric_limits<T>::max());
}
};
template <>
struct gadget_hints<coth>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { 0 };
static constexpr double interesting_points[] = { 0 };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_COTH_HPP__

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/// @file grotto/gadgets/hyperbolic/csch.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_HYPERBOLIC_CSCH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_CSCH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct csch
{
template <typename T>
T operator()(T x)
{
if (x == 0) return 0;
if (x < 0) return std::max(1/std::sinh(static_cast<double>(x)), std::numeric_limits<T>::min());
if (x > 0) return std::min(1/std::sinh(static_cast<double>(x)), std::numeric_limits<T>::max());
}
};
template <>
struct gadget_hints<csch>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { 0 };
static constexpr double interesting_points[] = { 0 };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_CSCH_HPP__

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/// @file grotto/gadgets/hyperbolic/sech.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_HYPERBOLIC_SECH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_SECH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct sech
{
template <typename T>
T operator()(T x) { return 1/std::cosh(static_cast<double>(x)); }
};
template <>
struct gadget_hints<sech>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_SECH_HPP__

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/// @file grotto/gadgets/hyperbolic/sinh.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_HYPERBOLIC_SINH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_SINH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct sinh
{
template <typename T>
T operator()(T x)
{
if (x < 0) return std::max(std::sinh(static_cast<double>(x)), std::numeric_limits<T>::min());
if (x >= 0) return std::min(std::sinh(static_cast<double>(x)), std::numeric_limits<T>::max());
}
};
template <>
struct gadget_hints<sinh>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_SINH_HPP__

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/// @file grotto/gadgets/hyperbolic/tanh.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_HYPERBOLIC_TANH_HPP__
#define LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_TANH_HPP__
#include <cmath>
#include <array>
#include <limits>
#include "grotto/gadget_hints.hpp"
namespace grotto
{
namespace gadgets
{
struct tanh
{
template <typename T>
T operator()(T x) { return std::tanh(static_cast<double>(x)); }
};
template <>
struct gadget_hints<tanh>
{
static constexpr double min = std::numeric_limits<double>::min();
static constexpr double max = std::numeric_limits<double>::max();
static constexpr double poles[] = { };
static constexpr double interesting_points[] = { };
static constexpr unsigned degree = 3;
static constexpr bool has_canonical_representation = false;
static constexpr double canonical_bounds[] = { };
static constexpr std::array<double, degree+1> canonical_polys[] = { };
};
} // namespace gadgets
} // namespace grotto
#endif // LIBDPF_INCLUDE_GROTTO_GADGETS_HYPERBOLIC_TANH_HPP__