ensure_authoring_particle_capacity Subroutine

public subroutine ensure_authoring_particle_capacity(authoring, required_size)

species authoring 配列容量を確保する。

Arguments

Type IntentOptional Attributes Name
type(app_config_authoring), intent(inout) :: authoring
integer, intent(in) :: required_size

Called by

proc~~ensure_authoring_particle_capacity~~CalledByGraph proc~ensure_authoring_particle_capacity ensure_authoring_particle_capacity proc~read_particle_species_array read_particle_species_array proc~read_particle_species_array->proc~ensure_authoring_particle_capacity proc~apply_particles_toml_table apply_particles_toml_table proc~apply_particles_toml_table->proc~read_particle_species_array proc~apply_toml_document apply_toml_document proc~apply_toml_document->proc~apply_particles_toml_table proc~load_toml_config load_toml_config proc~load_toml_config->proc~apply_toml_document proc~load_app_config load_app_config proc~load_app_config->proc~load_toml_config proc~load_or_init_run_state load_or_init_run_state proc~load_or_init_run_state->proc~load_app_config program~main main program~main->proc~load_or_init_run_state

Source Code

  subroutine ensure_authoring_particle_capacity(authoring, required_size)
    type(app_config_authoring), intent(inout) :: authoring
    integer, intent(in) :: required_size
    type(particle_authoring_spec), allocatable :: grown(:)
    integer :: old_capacity, new_capacity

    if (required_size <= 0) return
    if (allocated(authoring%particle_species)) then
      old_capacity = size(authoring%particle_species)
    else
      old_capacity = 0
    end if
    if (old_capacity >= required_size) return

    new_capacity = max(required_size, max(1, 2*old_capacity))
    allocate (grown(new_capacity))
    grown = particle_authoring_spec()
    if (old_capacity > 0) grown(1:old_capacity) = authoring%particle_species(1:old_capacity)
    call move_alloc(grown, authoring%particle_species)
  end subroutine ensure_authoring_particle_capacity