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module filtreg_v_m |
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IMPLICIT NONE |
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contains |
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SUBROUTINE filtreg_v(champ, intensive) |
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! From filtrez/filtreg.F, version 1.1.1.1, 2004/05/19 12:53:09 |
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! Author: P. Le Van |
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! Matrix filter on longitudes. Matrices have already been |
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! computed. On v grid, direct filter only. |
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USE coefils, ONLY: sddu, unsddu |
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USE dimens_m, ONLY: iim, jjm |
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use filtreg_hemisph_m, only: filtreg_hemisph |
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use inifilr_m, only: jfiltnv, jfiltsv, matricevn, matricevs |
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use nr_util, only: assert |
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REAL, intent(inout):: champ(:, :, :) ! (iim + 1, jjm, :) |
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! en entr\'ee : champ \`a filtrer, en sortie : champ filtr\'e |
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logical, intent(in):: intensive |
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! false means the field is weighted by the area of the mesh |
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! Local: |
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REAL sdd1(iim), sdd2(iim) |
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!----------------------------------------------------------- |
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call assert(size(champ, 1) == iim + 1, "filtreg_v iim + 1") |
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call assert(size(champ, 2) == jjm, "filtreg_v jjm") |
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IF (intensive) THEN |
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sdd1 = sddu |
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sdd2 = unsddu |
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ELSE |
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sdd1 = unsddu |
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sdd2 = sddu |
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END IF |
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call filtreg_hemisph(champ(:, :jfiltnv, :), sdd1, sdd2, matricevn) |
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call filtreg_hemisph(champ(:, jfiltsv:jjm, :), sdd1, sdd2, matricevs) |
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END SUBROUTINE filtreg_v |
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end module filtreg_v_m |