trunk/filtrez/filtreg_v.f

module filtreg_v_m

  IMPLICIT NONE

contains

  SUBROUTINE filtreg_v(champ, intensive)

    ! From filtrez/filtreg.F, version 1.1.1.1, 2004/05/19 12:53:09
    ! Author: P. Le Van

    ! Matrix filter on longitudes. Matrices have already been
    ! computed. On v grid, direct filter only.

    USE dimens_m, ONLY: iim, jjm
    use filtreg_hemisph_m, only: filtreg_hemisph
    USE inifgn_m, ONLY: sddu, unsddu
    use inifilr_m, only: jfiltnv, jfiltsv, matricevn, matricevs
    use nr_util, only: assert

    REAL, intent(inout):: champ(:, :, :) ! (iim + 1, jjm, :)
    ! en entr\'ee : champ \`a filtrer, en sortie : champ filtr\'e

    logical, intent(in):: intensive
    ! false means the field is weighted by the area of the mesh

    ! Local:
    REAL sdd(iim)

    !-----------------------------------------------------------

    call assert(size(champ, 1) == iim + 1, "filtreg_v iim + 1")
    call assert(size(champ, 2) == jjm, "filtreg_v jjm")

    IF (intensive) THEN
       sdd = sddu
    ELSE
       sdd = unsddu
    END IF

    call filtreg_hemisph(champ(:, :jfiltnv, :), sdd, matricevn)
    call filtreg_hemisph(champ(:, jfiltsv:jjm, :), sdd, matricevs)

  END SUBROUTINE filtreg_v

end module filtreg_v_m
1	module filtreg_v_m
2
3	IMPLICIT NONE
4
5	contains
6
7	SUBROUTINE filtreg_v(champ, intensive)
8
9	! From filtrez/filtreg.F, version 1.1.1.1, 2004/05/19 12:53:09
10	! Author: P. Le Van
11
12	! Matrix filter on longitudes. Matrices have already been
13	! computed. On v grid, direct filter only.
14
15	USE dimens_m, ONLY: iim, jjm
16	use filtreg_hemisph_m, only: filtreg_hemisph
17	USE inifgn_m, ONLY: sddu, unsddu
18	use inifilr_m, only: jfiltnv, jfiltsv, matricevn, matricevs
19	use nr_util, only: assert
20
21	REAL, intent(inout):: champ(:, :, :) ! (iim + 1, jjm, :)
22	! en entr\'ee : champ \`a filtrer, en sortie : champ filtr\'e
23
24	logical, intent(in):: intensive
25	! false means the field is weighted by the area of the mesh
26
27	! Local:
28	REAL sdd(iim)
29
30	!-----------------------------------------------------------
31
32	call assert(size(champ, 1) == iim + 1, "filtreg_v iim + 1")
33	call assert(size(champ, 2) == jjm, "filtreg_v jjm")
34
35	IF (intensive) THEN
36	sdd = sddu
37	ELSE
38	sdd = unsddu
39	END IF
40
41	call filtreg_hemisph(champ(:, :jfiltnv, :), sdd, matricevn)
42	call filtreg_hemisph(champ(:, jfiltsv:jjm, :), sdd, matricevs)
43
44	END SUBROUTINE filtreg_v
45
46	end module filtreg_v_m