fortran linkable subroutines are outlined below.  There
are nine functions in the ccSHT library (linked with "-l ccSHT")
listed here:

========================================

forwardsht_real_fortran( map, coords, lmax, alm )
  REAL*8, DIMENSION(:), INTENT(IN) :: map
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  COMPLEX*8, DIMENSION(:), INTENT(OUT) :: alm

forwardsht_complex_fortran( map, coords, lmax, alm )
  COMPLEX*8, DIMENSION(:), INTENT(IN) :: map
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  COMPLEX*8, DIMENSION(:), INTENT(OUT) :: alm

backwardsht_real_fortran( alm, coords, lmax, map)
  COMPLEX*8, DIMENSION(:), INTENT(IN) :: alm
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  REAL*8, DIMENSION(:), INTENT(OUT) :: map

backwardsht_complex_fortran( alm, coords, lmax, map)
  COMPLEX*8, DIMENSION(:), INTENT(IN) :: alm
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  COMPLEX*8, DIMENSION(:), INTENT(OUT) :: map

convertradec2coords_fortran( pixSize, nPix, raDecArray, ndra, dra, coords)
  REAL*8, INTENT(IN) :: pixSize
  INTEGER*4, INTENT(IN) :: nPix
  REAL*8, DIMENSION(:), INTENT(IN) :: raDecArray
  INTEGER*4, INTENT(IN) :: ndra
  REAL*8, DIMENSION(:), INTENT(IN) :: dra
  INTEGER*8, INTENT(OUT) :: coords

destroycoords_fortran( coords)
  INTEGER*8, INTENT(INOUT) :: coords

calculateqlm_fortran( lmax, x, calc1, calc2, calc3, calc4, Q )
  INTEGER*4, INTENT(IN) :: lmax 
  REAL*8, INTENT(IN) :: x
  REAL*8, INTENT(IN) :: calc1 
  REAL*8, INTENT(IN) :: calc2 
  REAL*8, INTENT(IN) :: calc3 
  REAL*8, INTENT(IN) :: calc4 
  REAL*8, INTENT(OUT) :: Q

lmcalculations_fortran( lmax, calc1, calc2, calc3, calc4 )
  INTEGER*4, INTENT(IN) :: lmax


========================================

If the parallel library (linked with "-l ccSHTmpi") is used then there
are four additional subroutines available which are listed below:

========================================

forwardshtmpi_real_fortran( map, coords, lmax, alm, outputRoot, theComm )
  REAL*8, DIMENSION(:), INTENT(IN) :: map
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  COMPLEX*8, DIMENSION(:), INTENT(OUT) :: alm
  INTEGER*4, INTENT(IN) :: outputRoot
  INTEGER, INTENT(IN) :: theComm

forwardshtmpi_complex_fortran( map, coords, lmax, alm, outputRoot, theComm )
  COMPLEX*8, DIMENSION(:), INTENT(IN) :: map
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  COMPLEX*8, DIMENSION(:), INTENT(OUT) :: alm
  INTEGER*4, INTENT(IN) :: outputRoot
  INTEGER, INTENT(IN) :: theComm

backwardshtmpi_real_fortran( alm, coords, lmax, map, outputRoot, theComm )
  COMPLEX*8, DIMENSION(:), INTENT(IN) :: alm
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  REAL*8, DIMENSION(:), INTENT(OUT) :: map
  INTEGER*4, INTENT(IN) :: outputRoot
  INTEGER, INTENT(IN) :: theComm

backwardshtmpi_complex_fortran( alm, coords, lmax, map, outputRoot, theComm )
  COMPLEX*8, DIMENSION(:), INTENT(IN) :: alm
  INTEGER*8, INTENT(IN) :: coords
  INTEGER*4, INTENT(IN) :: lmax
  COMPLEX*8, DIMENSION(:), INTENT(OUT) :: map
  INTEGER*4, INTENT(IN) :: outputRoot
  INTEGER, INTENT(IN) :: theComm

========================================