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!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
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**s/r vspng_del2 - horizontal diffusion problem
*
#include "model_macros_f.h"
*
subroutine vspng_del2 ( F_sol, F_opsxp0_8, F_opsyp0_8, 43
$ F_aix_8,F_bix_8,F_cix_8,F_dix_8,
$ F_aiy_8,F_biy_8,F_ciy_8,
$ DIST_DIM, nke, ntrp12, ntrp22, fnjb)
*
#include "impnone.cdk"
*
integer DIST_DIM, nke, ntrp12, ntrp22, fnjb
*
real F_sol(DIST_SHAPE,*)
real*8 F_opsxp0_8(*),F_opsyp0_8(*),
$ F_aix_8(nke,ntrp12,*),F_bix_8(nke,ntrp12,*),
$ F_cix_8(nke,ntrp12,*),F_dix_8(nke,ntrp12,*),
$ F_aiy_8(nke,ntrp22,*),F_biy_8(nke,ntrp22,*),
$ F_ciy_8(nke,ntrp22,*)
*
*author
* Michel Desgagne - October 2000
*
*revision
* v2_11 - Desgagne M. - initial version
* v2_21 - Corbeil L. - ldnh_maxx and ldnh_maxy for transposes
*
*object
*
*arguments
* Name I/O Description
*----------------------------------------------------------------
* F_sol I/O
*
*----------------------------------------------------------------
*
*implicit
#include "glb_ld.cdk"
#include "vspng.cdk"
#include "trp.cdk"
#include "ldnh.cdk"
#include "ptopo.cdk"
*
integer i, j, k, cnt
real*8 w1_8(ldnh_maxx,Vspng_nk,ldnh_maxy),
$ w2_8(ldnh_maxy,Vspng_nk,ldnh_maxx),
$ t1_8(Vspng_nk,Trp_12emax,G_ni+Ptopo_npex),
$ t2_8(Vspng_nk,Trp_22emax,G_nj+Ptopo_npey),
$ g1(Vspng_nk*Trp_12emax,G_ni),ax(Vspng_nk*Trp_12emax,G_ni),
$ cx(Vspng_nk*Trp_12emax,G_ni),g2(Vspng_nk*Trp_22emax,G_nj),
$ ay(Vspng_nk*Trp_22emax,G_nj),cy(Vspng_nk*Trp_22emax,G_nj)
**
* __________________________________________________________________
*
do j = 1, l_nj
do k = 1, Vspng_nk
do i = 1, l_ni
w1_8(i,k,j) = dble(F_sol(i,j,k))
enddo
enddo
enddo
*
call rpn_comm_transpose ( w1_8 , 1, ldnh_maxx, G_ni, Vspng_nk,
% 1, Trp_12emax, ldnh_maxy, t1_8, 1, 2 )
*
cnt = 0
do j = 1, Trp_12en
do k = 1, Vspng_nk
cnt = cnt + 1
do i = 1, G_ni-1
g1(cnt,i) = F_bix_8(k,j,i)*F_opsxp0_8(i)*t1_8(k,j,i)
ax(cnt,i) = F_aix_8(k,j,i)
cx(cnt,i) = F_cix_8(k,j,i)
enddo
g1(cnt,G_ni) = F_opsxp0_8(G_ni)*t1_8(k,j,G_ni)
enddo
enddo
*
do i = 2, G_ni-1
do k = 1, cnt
g1(k,i) = g1(k,i) - ax(k,i)*g1(k,i-1)
end do
end do
do i = G_ni-2, 1, -1
do k = 1, cnt
g1(k,i) = g1(k,i) - cx(k,i)*g1(k,i+1)
end do
end do
*
cnt = 0
do j = 1, Trp_12en
*VDIR NOVECTOR
do k = 1, Vspng_nk
cnt = cnt + 1
t1_8(k,j,G_ni) = F_bix_8(k,j,G_ni)*g1(cnt,G_ni )
% + F_cix_8(k,j,G_ni)*g1(cnt,1 )
% + F_aix_8(k,j,1 )*g1(cnt,G_ni-1)
do i = 1, G_ni - 1
t1_8(k,j,i) = g1(cnt,i) + F_dix_8(k,j,i)*t1_8(k,j,G_ni)
enddo
enddo
enddo
*
call rpn_comm_transpose ( w1_8 , 1, ldnh_maxx, G_ni, Vspng_nk,
% 1, Trp_12emax, ldnh_maxy, t1_8, -1, 2 )
*
do j = 1, l_nj
do k = 1, Vspng_nk
do i = 1, l_ni
w2_8(j,k,i) = w1_8(i,k,j)
enddo
enddo
enddo
*
call rpn_comm_transpose ( w2_8 , 1, ldnh_maxy, G_nj, Vspng_nk,
% 1, Trp_22emax, ldnh_maxx, t2_8, 2, 2 )
*
cnt = 0
do i = 1, Trp_22en
do k = 1, Vspng_nk
cnt = cnt + 1
do j = 1, fnjb
g2 (cnt,j) = F_biy_8(k,i,j)*F_opsyp0_8(j)*t2_8(k,i,j)
ay (cnt,j) = F_aiy_8(k,i,j)
cy (cnt,j) = F_ciy_8(k,i,j)
enddo
enddo
enddo
*
do j = 2, fnjb
do k = 1, cnt
g2 (k,j) = g2(k,j) - ay(k,j)*g2(k,j-1)
end do
end do
do j = fnjb-1, 1, -1
do k = 1, cnt
g2 (k,j) = g2(k,j) - cy(k,j)*g2(k,j+1)
end do
end do
*
cnt = 0
do i = 1, Trp_22en
do k = 1, Vspng_nk
cnt = cnt + 1
do j = 1, fnjb
t2_8(k,i,j)= g2(cnt,j)
end do
enddo
enddo
*
call rpn_comm_transpose ( w2_8 , 1, ldnh_maxy, G_nj, Vspng_nk,
% 1, Trp_22emax, ldnh_maxx, t2_8, -2, 2 )
*
do k = 1, Vspng_nk
do j = 1, l_nj
do i = 1, l_ni
F_sol(i,j,k) = w2_8(j,k,i)
enddo
enddo
enddo
*
* __________________________________________________________________
*
return
end