# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "<stdin>"
module lapfill
! fill empty 2-D bins by minimum output of Laplacian operator
  use laplac2
  use cgstep_mod
  use mask1
  use solver_smp_mod
  implicit none
  contains
  subroutine lapfill2( niter, m1, m2, yy, mfixed)
    integer, intent (in) :: niter, m1, m2
    logical, dimension (m1*m2), intent (in) :: mfixed
    ! mask for known
    real, dimension (m1*m2), intent (in out) :: yy ! model
    real, dimension (m1*m2) :: zero
    ! laplacian output
    logical, dimension (:), pointer :: msk
    allocate(msk(size(mfixed)))
    msk=.not.mfixed
    call mask1_init(msk)
    call laplac2_init ( m1,m2)
    zero = 0. ! initialize
    call solver_smp(m=yy, d=zero, Fop=laplac2_lop, stepper=cgstep,&
      & niter=niter, m0=yy, Jop=mask1_lop)
    call laplac2_close ()
    ! garbage collection
    call cgstep_close ()
    ! garbage collection
  end subroutine
end module