angular.hpp

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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (C) 2026 Vallés Puig, Ramon
 
#pragma once
 
#include "../ffi_core.hpp"
 
namespace qtty {
 
struct MilliradianTag {};
struct RadianTag {};
struct MicroArcsecondTag {};
struct MilliArcsecondTag {};
struct ArcsecondTag {};
struct ArcminuteTag {};
struct DegreeTag {};
struct GradianTag {};
struct TurnTag {};
struct HourAngleTag {};
 
template <> struct UnitTraits<MilliradianTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_MILLIRADIAN; }
  static constexpr std::string_view symbol() { return "mrad"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<RadianTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_RADIAN; }
  static constexpr std::string_view symbol() { return "rad"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<MicroArcsecondTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_MICRO_ARCSECOND; }
  static constexpr std::string_view symbol() { return "μas"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<MilliArcsecondTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_MILLI_ARCSECOND; }
  static constexpr std::string_view symbol() { return "mas"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<ArcsecondTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_ARCSECOND; }
  static constexpr std::string_view symbol() { return "″"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<ArcminuteTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_ARCMINUTE; }
  static constexpr std::string_view symbol() { return "′"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<DegreeTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_DEGREE; }
  static constexpr std::string_view symbol() { return "°"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<GradianTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_GRADIAN; }
  static constexpr std::string_view symbol() { return "gon"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<TurnTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_TURN; }
  static constexpr std::string_view symbol() { return "tr"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
template <> struct UnitTraits<HourAngleTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_HOUR_ANGLE; }
  static constexpr std::string_view symbol() { return "h"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_ANGLE; }
};
 
using Milliradian = Quantity<MilliradianTag>;
using Radian = Quantity<RadianTag>;
using MicroArcsecond = Quantity<MicroArcsecondTag>;
using MilliArcsecond = Quantity<MilliArcsecondTag>;
using Arcsecond = Quantity<ArcsecondTag>;
using Arcminute = Quantity<ArcminuteTag>;
using Degree = Quantity<DegreeTag>;
using Gradian = Quantity<GradianTag>;
using Turn = Quantity<TurnTag>;
using HourAngle = Quantity<HourAngleTag>;
 
} // namespace qtty