# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "<stdin>"
module mis2_mod
  use mask1
  use helicon
  use polydiv
  use cgstep_mod
  use solver_smp_mod
  use solver_reg_mod
  use solver_prc_mod
  implicit none
  contains
  subroutine mis2( niter, xx, aa, known, style)
    integer, intent( in) :: style
    integer, intent( in) :: niter
    type( filter), intent( in) :: aa
    logical, dimension( :), intent( in) :: known
    real, dimension( :), intent( in out) :: xx ! fitting variables
    real, dimension( :), allocatable :: dd
    logical, dimension( :), pointer :: msk
    integer :: nx
    nx = size( xx)
    allocate( dd(nx))
    allocate(msk(nx))
    if (style.eq.0) then
      dd = 0.
      msk = .not.known
      call mask1_init( msk)
      call helicon_init( aa)
      call solver_smp( m=xx, d=dd, Fop=helicon_lop, stepper=cgstep&
        &,niter=niter, Jop=mask1_lop, m0=xx)
      call helicon_close()
    else if (style.eq.1) then
      dd=xx
      msk = known
      call mask1_init( msk)
      call helicon_init( aa)
      call solver_reg( m=xx, d=dd, Fop=mask1_lop, stepper=cgstep,niter=niter&
        &, Aop=helicon_lop, nAop=nx, eps=0.1)
      call helicon_close()
    else
      dd=xx
      msk = known
      call mask1_init( msk)
      call polydiv_init( nx, aa)
      call solver_prc( m=xx, d=dd, Fop=mask1_lop, stepper=cgstep,niter=niter&
        &, Sop=polydiv_lop, nSop=nx, eps=0.0)
      call polydiv_close()
    end if
    call cgstep_close( )
    deallocate( msk,dd)
  end subroutine
end module