spectral_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 WattPerSquareMeterSteradianMeterTag {};
struct WattPerSquareMeterSteradianNanometerTag {};
struct ErgPerSecondSquareCentimeterSteradianAngstromTag {};
 
template <> struct UnitTraits<WattPerSquareMeterSteradianMeterTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_WATT_PER_SQUARE_METER_STERADIAN_METER; }
  static constexpr std::string_view symbol() { return "W·m⁻²·sr⁻¹·m⁻¹"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_SPECTRAL_RADIANCE; }
};
template <> struct UnitTraits<WattPerSquareMeterSteradianNanometerTag> {
  static constexpr UnitId unit_id() { return UNIT_ID_WATT_PER_SQUARE_METER_STERADIAN_NANOMETER; }
  static constexpr std::string_view symbol() { return "W·m⁻²·sr⁻¹·nm⁻¹"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_SPECTRAL_RADIANCE; }
};
template <> struct UnitTraits<ErgPerSecondSquareCentimeterSteradianAngstromTag> {
  static constexpr UnitId unit_id() {
    return UNIT_ID_ERG_PER_SECOND_SQUARE_CENTIMETER_STERADIAN_ANGSTROM;
  }
  static constexpr std::string_view symbol() { return "erg·s⁻¹·cm⁻²·sr⁻¹·Å⁻¹"; }
  static constexpr DimensionId dimension() { return DIMENSION_ID_SPECTRAL_RADIANCE; }
};
 
using WattPerSquareMeterSteradianMeter = Quantity<WattPerSquareMeterSteradianMeterTag>;
using WattPerSquareMeterSteradianNanometer = Quantity<WattPerSquareMeterSteradianNanometerTag>;
using ErgPerSecondSquareCentimeterSteradianAngstrom =
    Quantity<ErgPerSecondSquareCentimeterSteradianAngstromTag>;
 
} // namespace qtty