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USE coefils, ONLY: sddu, sddv, unsddu, unsddv |
USE coefils, ONLY: sddu, sddv, unsddu, unsddv |
15 |
USE dimens_m, ONLY: iim, jjm |
USE dimens_m, ONLY: iim, jjm |
16 |
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use filtreg_hemisph_m, only: filtreg_hemisph |
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use inifilr_m, only: jfiltnu, jfiltnv, jfiltsu, jfiltsv, matriceun, & |
use inifilr_m, only: jfiltnu, jfiltnv, jfiltsu, jfiltsv, matriceun, & |
18 |
matriceus, matricevn, matricevs, matrinvn, matrinvs |
matriceus, matricevn, matricevs, matrinvn, matrinvs |
19 |
use nr_util, only: assert |
use nr_util, only: assert |
20 |
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21 |
REAL, intent(inout):: champ(:, :, :) ! (iim + 1, nlat, nbniv) |
REAL, intent(inout):: champ(:, :, :) ! (iim + 1, nlat, :) |
22 |
! en entr\'ee : champ \`a filtrer, en sortie : champ filtr\'e |
! en entr\'ee : champ \`a filtrer, en sortie : champ filtr\'e |
23 |
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24 |
logical, intent(in):: direct ! filtre direct ou inverse |
logical, intent(in):: direct ! filtre direct ou inverse |
27 |
! champ intensif ou extensif (pond\'er\'e par les aires) |
! champ intensif ou extensif (pond\'er\'e par les aires) |
28 |
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29 |
! Local: |
! Local: |
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LOGICAL griscal |
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30 |
INTEGER nlat ! nombre de latitudes \`a filtrer |
INTEGER nlat ! nombre de latitudes \`a filtrer |
31 |
integer nbniv ! nombre de niveaux verticaux \`a filtrer |
REAL sdd1(iim), sdd2(iim) |
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INTEGER jdfil1, jdfil2, jffil1, jffil2, jdfil, jffil |
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INTEGER j, l |
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REAL eignq(iim), sdd1(iim), sdd2(iim) |
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INTEGER hemisph |
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32 |
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33 |
!----------------------------------------------------------- |
!----------------------------------------------------------- |
34 |
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35 |
call assert(size(champ, 1) == iim + 1, "filtreg iim + 1") |
call assert(size(champ, 1) == iim + 1, "filtreg iim + 1") |
36 |
nlat = size(champ, 2) |
nlat = size(champ, 2) |
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nbniv = size(champ, 3) |
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37 |
call assert(nlat == jjm .or. nlat == jjm + 1, "filtreg nlat") |
call assert(nlat == jjm .or. nlat == jjm + 1, "filtreg nlat") |
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griscal = nlat == jjm + 1 |
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38 |
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39 |
IF (.not. direct .AND. nlat == jjm) THEN |
if (nlat == jjm + 1) then |
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PRINT *, 'filtreg: inverse filter on scalar grid only' |
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STOP 1 |
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END IF |
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IF (griscal) THEN |
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40 |
IF (intensive) THEN |
IF (intensive) THEN |
41 |
sdd1 = sddv |
sdd1 = sddv |
42 |
sdd2 = unsddv |
sdd2 = unsddv |
44 |
sdd1 = unsddv |
sdd1 = unsddv |
45 |
sdd2 = sddv |
sdd2 = sddv |
46 |
END IF |
END IF |
47 |
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if (direct) then |
48 |
jdfil1 = 2 |
call filtreg_hemisph(champ(:, 2:jfiltnu, :), sdd1, sdd2, matriceun) |
49 |
jffil1 = jfiltnu |
call filtreg_hemisph(champ(:, jfiltsu:jjm, :), sdd1, sdd2, matriceus) |
50 |
jdfil2 = jfiltsu |
else |
51 |
jffil2 = jjm |
call filtreg_hemisph(champ(:, 2:jfiltnu, :), sdd1, sdd2, - matrinvn) |
52 |
ELSE |
call filtreg_hemisph(champ(:, jfiltsu:jjm, :), sdd1, sdd2, - matrinvs) |
53 |
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end if |
54 |
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else |
55 |
IF (intensive) THEN |
IF (intensive) THEN |
56 |
sdd1 = sddu |
sdd1 = sddu |
57 |
sdd2 = unsddu |
sdd2 = unsddu |
59 |
sdd1 = unsddu |
sdd1 = unsddu |
60 |
sdd2 = sddu |
sdd2 = sddu |
61 |
END IF |
END IF |
62 |
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if (direct) then |
63 |
jdfil1 = 1 |
call filtreg_hemisph(champ(:, :jfiltnv, :), sdd1, sdd2, matricevn) |
64 |
jffil1 = jfiltnv |
call filtreg_hemisph(champ(:, jfiltsv:jjm, :), sdd1, sdd2, matricevs) |
65 |
jdfil2 = jfiltsv |
else |
66 |
jffil2 = jjm |
PRINT *, 'filtreg: inverse filter on scalar grid only' |
67 |
END IF |
STOP 1 |
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DO hemisph = 1, 2 |
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IF (hemisph==1) THEN |
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jdfil = jdfil1 |
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jffil = jffil1 |
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ELSE |
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jdfil = jdfil2 |
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jffil = jffil2 |
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68 |
END IF |
END IF |
69 |
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end if |
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DO l = 1, nbniv |
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DO j = jdfil, jffil |
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champ(:iim, j, l) = champ(:iim, j, l) * sdd1 |
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IF (hemisph==1) THEN |
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IF (.not. direct) THEN |
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eignq = matmul(matrinvn(:, :, j), champ(:iim, j, l)) |
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ELSE IF (griscal) THEN |
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eignq = matmul(matriceun(:, :, j), champ(:iim, j, l)) |
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ELSE |
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eignq = matmul(matricevn(:, :, j), champ(:iim, j, l)) |
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END IF |
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ELSE |
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IF (.not. direct) THEN |
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eignq = matmul(matrinvs(:, :, j - jfiltsu + 1), & |
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champ(:iim, j, l)) |
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ELSE IF (griscal) THEN |
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eignq = matmul(matriceus(:, :, j - jfiltsu + 1), & |
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champ(:iim, j, l)) |
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ELSE |
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eignq = matmul(matricevs(:, :, j - jfiltsv + 1), & |
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champ(:iim, j, l)) |
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END IF |
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END IF |
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IF (direct) THEN |
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champ(:iim, j, l) = (champ(:iim, j, l) + eignq) * sdd2 |
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ELSE |
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champ(:iim, j, l) = (champ(:iim, j, l) - eignq) * sdd2 |
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END IF |
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champ(iim + 1, j, l) = champ(1, j, l) |
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END DO |
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END DO |
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end DO |
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70 |
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71 |
END SUBROUTINE filtreg |
END SUBROUTINE filtreg |
72 |
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