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Derived types

The TELCAL derived types are defined in the telcal-types.f90 files:

!
! FIT derived type definitions
!
module fit_definitions
  !
  type :: simple_1d ! Data vector (simple precision, 1d)
     sequence
     integer :: n              ! Number of data
     real(8), pointer :: x(:)     ! Abcissae (in)
     real(8), pointer :: y(:)     ! Values   (in)
     real(8), pointer :: w(:)     ! Weights  (in)
     real(8), pointer :: d(:)     ! derivative of x with time, Not always allocated
  end type simple_1d
  !
  type :: fit_par ! Description of a fitted parameter
     sequence
     character(len=16) :: name ! Parameter name          (in)
     real(8) :: guess          ! Guess                   (in)
     real(8) :: value          ! Fit value               (out)
     real(8) :: error          ! Fit uncertainty         (out)
     real(8) :: mini           ! Minimum possible value  (in)
     real(8) :: maxi           ! Maximum possible value  (in)
     logical :: fixed          ! Is the parameter fixed? (in)
     logical :: padding        ! Padding for structure alignment
  end type fit_par
  !
  type :: fit_fun ! Description of a fitted function
     sequence
     character(len=16) :: name         ! Fitted function name (eg GAUSSIAN)
     character(len=16) :: method       ! Fitting library (eg SLATEC)
     real    :: rms                    ! Residual RMS
     integer :: flag                   ! Error/Quality code
     integer :: ncall                  ! Number of iterations
     integer :: npar                   ! Number of fitted parameters
     type (fit_par), pointer :: par(:) ! Array of parameter descriptions
  end type fit_fun
  !
  type :: fit_var ! Variable fitted parameters only
     sequence
     integer :: n               ! Number
     real(8), pointer :: x(:)   ! Values
     real(8), pointer :: d(:)   ! Errors 
     integer, pointer :: idx(:) ! Position index inside full parameter vector
  end type fit_var
  !
end module fit_definitions
!
! POINTING derived type definitions
!
module point_definitions
  use fit_definitions
  !
  type :: point_cross
     sequence
     integer :: sys             ! Scanning coordinate system
     character(16)    :: dir(4) ! Scanning directions
     type (simple_1d) :: dat(4) ! Data vectors
     type (simple_1d) :: sol(4) ! Solution vectors
     type (fit_fun)   :: fun(4) ! Fit functions
  end type
  !
  type (point_cross), save :: pcross
  !
end module point_definitions
!



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