# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "<stdin>"
module tv_decon
! Time Variable (TV) Deconvolution
  use tvdec
  use cgstep_mod
  use solver_mod
  implicit none
  contains
  subroutine tvdecon( rho, gap, na, yy, rr, niter)
    integer, intent( in) :: gap, na, niter
    real, intent( in) :: rho
    real, dimension( :), pointer :: yy
    real, dimension( :), intent( out) :: rr
    real, allocatable :: mm(:),dat(:)
    logical, allocatable :: mask(:)
    integer :: nt
    allocate(mask(size(yy)*na),mm(size(yy)*na),dat(size(rr)))
    nt = size( yy)
    dat = 0.
    mm = 0.
    mm( 1) = 1.
    mm( 2:nt) = 1.- rho
    mask = .false.
    mask( :gap*nt) = .true.
    call tvdec_init( yy, nt, na, rho)
    call solver( tvdec_lop, cgstep, x0 = mm, x = mm, dat = dat,known =&
      & mask, niter = niter, res = rr)
    call cgstep_close()
    call tvdec_close()
    deallocate(mask,mm,dat)
  end subroutine
end module