!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer, 
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms 
!of the Environment Canada - Atmospheric Science and Technology License/Disclaimer 
!version 3 or (at your option) any later version that should be found at: 
!http://collaboration.cmc.ec.gc.ca/science/rpn.comm/license.html 
!
!This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; 
!without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
!See the above mentioned License/Disclaimer for more details.
!You should have received a copy of the License/Disclaimer along with this software; 
!if not, you can write to: EC-RPN COMM Group, 2121 TransCanada, suite 500, Dorval (Quebec), 
!CANADA, H9P 1J3; or send e-mail to service.rpn@ec.gc.ca
!-------------------------------------- LICENCE END --------------------------------------
!     ##########################

      MODULE MODI_TRIDIAG_GROUND 2
!     ##########################
!

INTERFACE TRIDIAG_GROUND
!
       SUBROUTINE TRIDIAG_GROUND(PA,PB,PC,PY,PX)
!
REAL,    DIMENSION(:,:), INTENT(IN)  :: PA  ! lower diag. elements of A matrix
REAL,    DIMENSION(:,:), INTENT(IN)  :: PB  ! main  diag. elements of A matrix
REAL,    DIMENSION(:,:), INTENT(IN)  :: PC  ! upper diag. elements of A matrix
REAL,    DIMENSION(:,:), INTENT(IN)  :: PY  ! r.h.s. term   
!
REAL,    DIMENSION(:,:), INTENT(OUT) :: PX  ! solution of A.X = Y  
!
END SUBROUTINE TRIDIAG_GROUND
!
END INTERFACE
!
END MODULE MODI_TRIDIAG_GROUND