mean_sqr_field.f90

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module mean_sqr_field
  use num_types, only : rp
  use neko_config, only : neko_bcknd_device
  use mean_field, only : mean_field_t
  use device_math, only : device_cmult, device_addsqr2s2
  use math, only : addsqr2s2
  implicit none
  private
 
  type, public, extends(mean_field_t) :: mean_sqr_field_t
   contains
     procedure, pass(this) :: update => mean_sqr_field_update
  end type mean_sqr_field_t
 
contains
 
  subroutine mean_sqr_field_update(this, k)
    class(mean_sqr_field_t), intent(inout) :: this
    real(kind=rp), intent(in) :: k 
 
    if (neko_bcknd_device .eq. 1) then
       call device_cmult(this%mf%x_d, this%time, size(this%mf%x))
       call device_addsqr2s2(this%mf%x_d, this%f%x_d, k, size(this%mf%x))
       this%time = this%time + k
       call device_cmult(this%mf%x_d, 1.0_rp / this%time, size(this%mf%x))
    else
       this%mf%x = this%mf%x * this%time
       call addsqr2s2(this%mf%x, this%f%x, k, this%mf%dof%size())
       this%time = this%time + k
       this%mf%x = this%mf%x / this%time
    end if
 
  end subroutine mean_sqr_field_update
 
end module mean_sqr_field