scalar_initializer.hpp

#ifndef __SIMULATION_SCALAR_INITIALIZER_HPP__
#define __SIMULATION_SCALAR_INITIALIZER_HPP__
 
#include <cstddef>
#include <cstdint>
#include <functional>
#include <optional>
#include <span>
#include <vector>
 
namespace Simulation
{
  enum class ScalarInitialiserType : std::uint8_t
  {
    Uniform,      // Need vec{uniform concentration}
    Local,        // Need vec{index compartment }+ vec{concentration}
    File,         // Need filepath
    CustomScript, // Need script path
    FullCase,     // Need script path
    Serde,        // Need filepath
  };
 
  // using init_scalar_f_t =
  //     std::function<void(size_t, CmaRead::L2DView<double> &)>;
 
  using init_scalar_f_t = std::function<double(std::size_t, std::size_t)>;
 
  struct ScalarInitializer
  {
    std::size_t n_species;
    std::span<double> volumesgas;
    std::span<double> volumesliq;
    ScalarInitialiserType type;
 
    std::optional<init_scalar_f_t> liquid_f_init = std::nullopt;
    std::optional<init_scalar_f_t> gas_f_init = std::nullopt;
    std::optional<std::vector<double>> liquid_buffer = std::nullopt;
    std::optional<std::vector<double>> gas_buffer = std::nullopt;
    bool gas_flow = false;
  };
 
  static_assert(std::is_move_constructible_v<ScalarInitializer>);
  static_assert(std::is_nothrow_move_constructible_v<ScalarInitializer>);
 
} // namespace Simulation
 
#endif