photon_radiance.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 PhotonPerSquareMeterSecondSteradianTag {};
struct PhotonPerSquareCentimeterSecondSteradianTag {};
struct PhotonPerSquareCentimeterNanosecondSteradianTag {};
 
template <> struct UnitTraits<PhotonPerSquareMeterSecondSteradianTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_PHOTON_PER_SQUARE_METER_SECOND_STERADIAN; }
  static constexpr std::string_view symbol() { return "ph·m⁻²·s⁻¹·sr⁻¹"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_PHOTON_RADIANCE; }
};
template <> struct UnitTraits<PhotonPerSquareCentimeterSecondSteradianTag> {
  static constexpr UnitId unit_id() {
    return UNIT_ID_PHOTON_PER_SQUARE_CENTIMETER_SECOND_STERADIAN;
  }
  static constexpr std::string_view symbol() { return "ph·cm⁻²·s⁻¹·sr⁻¹"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_PHOTON_RADIANCE; }
};
template <> struct UnitTraits<PhotonPerSquareCentimeterNanosecondSteradianTag> {
  static constexpr UnitId unit_id() {
    return UNIT_ID_PHOTON_PER_SQUARE_CENTIMETER_NANOSECOND_STERADIAN;
  }
  static constexpr std::string_view symbol() { return "ph·cm⁻²·ns⁻¹·sr⁻¹"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_PHOTON_RADIANCE; }
};
 
using PhotonPerSquareMeterSecondSteradian = Quantity<PhotonPerSquareMeterSecondSteradianTag>;
using PhotonPerSquareCentimeterSecondSteradian =
    Quantity<PhotonPerSquareCentimeterSecondSteradianTag>;
using PhotonPerSquareCentimeterNanosecondSteradian =
    Quantity<PhotonPerSquareCentimeterNanosecondSteradianTag>;
 
} // namespace qtty