58 |
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59 |
#include "SIZE.h" |
#include "SIZE.h" |
60 |
#include "EEPARAMS.h" |
#include "EEPARAMS.h" |
61 |
#ifdef ALLOW_USE_MPI |
#include "PARAMS.h" |
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# include "EESUPPORT.h" |
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# include "PARAMS.h" |
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#endif /* ALLOW_USE_MPI */ |
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62 |
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63 |
C subroutine variables |
C subroutine variables |
64 |
character*(*) infile |
character*(*) infile |
65 |
integer filePrec, irecord, nx_in, ny_in |
integer filePrec, irecord, nx_in, ny_in |
66 |
_RL arrayout(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL arrayout(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
67 |
_RS xG (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RS xG_in (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
68 |
_RS yG (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RS yG (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
69 |
_RL lon_0, lon_inc |
_RL lon_0, lon_inc |
70 |
_RL lat_0, lat_inc(ny_in-1) |
_RL lat_0, lat_inc(ny_in-1) |
71 |
integer method, mythid |
integer method, mythid |
72 |
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73 |
C local variables |
C local variables |
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integer ierr |
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74 |
real*8 ne_fac,nw_fac,se_fac,sw_fac |
real*8 ne_fac,nw_fac,se_fac,sw_fac |
75 |
integer e_ind(snx),w_ind(snx) |
integer e_ind(snx,sny),w_ind(snx,sny) |
76 |
integer n_ind(sny),s_ind(sny) |
integer n_ind(snx,sny),s_ind(snx,sny) |
77 |
real*8 px_ind(4), py_ind(4), ew_val(4) |
real*8 px_ind(4), py_ind(4), ew_val(4) |
78 |
external lagran |
external lagran |
79 |
real*8 lagran |
real*8 lagran |
80 |
real*4 arrayin(-1:nx_in+2 , -1:ny_in+2) |
real*4 arrayin(-1:nx_in+2 , -1:ny_in+2) |
81 |
real*8 x_in (-1:nx_in+2), y_in(-1:ny_in+2) |
real*8 x_in (-1:nx_in+2), y_in(-1:ny_in+2) |
82 |
integer i, j, k, l, js, bi, bj, interp_unit, sp |
integer i, j, k, l, js, bi, bj, sp, interp_unit |
83 |
real*4 global(nx_in,ny_in) |
_RS xg(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
84 |
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85 |
_BEGIN_MASTER( myThid ) |
! nomalize xg |
86 |
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do bj=myByLo(myThid),myByHi(myThid) |
87 |
C check input arguments |
do bi=myBxLo(myThid),myBxHi(myThid) |
88 |
if ( .NOT. (filePrec .EQ. 32) ) |
do j=1-OLy,sNy+OLy |
89 |
& stop 'stop in exf_interp.F: value of filePrec not allowed' |
do i=1-OLx,sNx+OLx |
90 |
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xg(i,j,bi,bj) = xg_in(i,j,bi,bj) |
91 |
C read in input data |
xg(i,j,bi,bj) = mod(xg(i,j,bi,bj),360.) |
92 |
#ifdef ALLOW_USE_MPI |
if ( xg(i,j,bi,bj) .lt. 0. ) |
93 |
if (useSingleCPUIO) then |
& xg(i,j,bi,bj) = 360.+xg(i,j,bi,bj) |
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C master thread of process 0, only, opens a global file |
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IF( mpiMyId .EQ. 0 ) THEN |
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call mdsfindunit( interp_unit, mythid) |
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open(interp_unit,file=infile,status='old',access='direct', |
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& recl=nx_in*ny_in*4) |
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read(interp_unit,rec=irecord) |
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& ((global(i,j),i=1,nx_in),j=1,ny_in) |
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close(interp_unit) |
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ENDIF |
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C broadcast to all processes |
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call MPI_BCAST(global,nx_in*ny_in,MPI_REAL, |
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& 0,MPI_COMM_MODEL,ierr) |
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do j=1,ny_in |
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do i=1,nx_in |
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arrayin(i,j)=global(i,j) |
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94 |
enddo |
enddo |
95 |
enddo |
enddo |
96 |
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enddo |
97 |
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enddo |
98 |
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99 |
else |
call exf_interp_read( |
100 |
#endif /* ALLOW_USE_MPI */ |
I infile, |
101 |
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I filePrec, |
102 |
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O arrayin, |
103 |
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I irecord, xG, yG, |
104 |
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I lon_0, lon_inc, |
105 |
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I lat_0, lat_inc, |
106 |
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I nx_in, ny_in, method, mythid) |
107 |
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_BARRIER |
108 |
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109 |
call mdsfindunit( interp_unit, mythid) |
C _BEGIN_MASTER( myThid ) |
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open(interp_unit,file=infile,status='old',access='direct', |
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& recl=nx_in*ny_in*4) |
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read(interp_unit,rec=irecord) |
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& ((arrayin(i,j),i=1,nx_in),j=1,ny_in) |
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close(interp_unit) |
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#ifdef ALLOW_USE_MPI |
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endif |
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#endif /* ALLOW_USE_MPI */ |
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#ifdef _BYTESWAPIO |
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call MDS_BYTESWAPR4((nx_in+4)*(ny_in+4), arrayin ) |
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#endif /* _BYTESWAPIO */ |
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110 |
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111 |
C setup input grid |
C setup input grid |
112 |
do i=-1,nx_in+2 |
do i=-1,nx_in+2 |
113 |
x_in(i) = lon_0 + (i-1.)*lon_inc |
x_in(i) = lon_0 + (i-1.)*lon_inc |
114 |
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x_in(i) = mod(x_in(i),360.) |
115 |
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if ( x_in(i) .lt. 0. ) |
116 |
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& x_in(i) = 360.+x_in(i) |
117 |
enddo |
enddo |
118 |
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119 |
y_in(0) = lat_0 - lat_inc(1) |
y_in(0) = lat_0 - lat_inc(1) |
120 |
y_in(-1)= lat_0 - 2.*lat_inc(1) |
y_in(-1)= lat_0 - 2.*lat_inc(1) |
121 |
y_in(1) = lat_0 |
y_in(1) = lat_0 |
139 |
arrayin(i,ny_in+2) = arrayin(i,ny_in) |
arrayin(i,ny_in+2) = arrayin(i,ny_in) |
140 |
enddo |
enddo |
141 |
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142 |
_END_MASTER( myThid ) |
C _END_MASTER( myThid ) |
143 |
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144 |
do bj = mybylo(mythid), mybyhi(mythid) |
do bj = mybylo(mythid), mybyhi(mythid) |
145 |
do bi = mybxlo(mythid), mybxhi(mythid) |
do bi = mybxlo(mythid), mybxhi(mythid) |
146 |
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147 |
C check validity of input/output coordinates |
C check validity of input/output coordinates |
148 |
if ( xG(1,1 ,bi,bj) .le. x_in(0) .or. |
#ifdef ALLOW_DEBUG |
149 |
& xG(snx,1,bi,bj) .ge. x_in(nx_in+1) .or. |
if ( debugLevel .ge. debLevB ) then |
150 |
& yG(1,1 ,bi,bj) .lt. y_in(1) .or. |
do i=1,snx |
151 |
& yG(1,sny,bi,bj) .gt. y_in(ny_in) ) then |
do j=1,sny |
152 |
print*,'ERROR in S/R EXF_INTERP:' |
if ( xG(i,j,bi,bj) .lt. x_in(0) .or. |
153 |
print*,' input grid must encompass output grid.' |
& xG(i,j,bi,bj) .ge. x_in(nx_in+1) .or. |
154 |
STOP ' ABNORMAL END: S/R EXF_INTERP' |
& yG(i,j,bi,bj) .lt. y_in(0) .or. |
155 |
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& yG(i,j,bi,bj) .ge. y_in(ny_in+1) ) then |
156 |
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print*,'ERROR in S/R EXF_INTERP:' |
157 |
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print*,' input grid must encompass output grid.' |
158 |
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print*,'i,j,bi,bj' ,i,j,bi,bj |
159 |
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print*,'xG,yG' ,xG(i,j,bi,bj),yG(i,j,bi,bj) |
160 |
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print*,'nx_in,ny_in' ,nx_in ,ny_in |
161 |
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print*,'x_in(0,nx_in+1)',x_in(0) ,x_in(nx_in+1) |
162 |
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print*,'y_in(0,ny_in+1)',y_in(0) ,y_in(ny_in+1) |
163 |
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STOP ' ABNORMAL END: S/R EXF_INTERP' |
164 |
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endif |
165 |
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enddo |
166 |
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enddo |
167 |
endif |
endif |
168 |
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#endif /* ALLOW_DEBUG */ |
169 |
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170 |
C compute interpolation indices |
C compute interpolation indices |
171 |
do i=1,snx |
do i=1,snx |
172 |
if (xG(i,1,bi,bj)-x_in(1) .ge. 0.) then |
do j=1,sny |
173 |
w_ind(i) = int((xG(i,1,bi,bj)-x_in(1))/lon_inc) + 1 |
if (xG(i,j,bi,bj)-x_in(1) .ge. 0.) then |
174 |
else |
w_ind(i,j) = int((xG(i,j,bi,bj)-x_in(1))/lon_inc) + 1 |
175 |
w_ind(i) = int((xG(i,1,bi,bj)-x_in(1))/lon_inc) |
else |
176 |
endif |
w_ind(i,j) = int((xG(i,j,bi,bj)-x_in(1))/lon_inc) |
177 |
e_ind(i) = w_ind(i) + 1 |
endif |
178 |
enddo |
e_ind(i,j) = w_ind(i,j) + 1 |
179 |
js = ny_in/2 |
js = ny_in*.5 |
180 |
do j=1,sny |
do while (yG(i,j,bi,bj) .lt. y_in(js)) |
181 |
do while (yG(1,j,bi,bj) .lt. y_in(js)) |
js = (js - 1)*.5 |
182 |
js = (js + 1)/2 |
enddo |
183 |
enddo |
do while (yG(i,j,bi,bj) .ge. y_in(js+1)) |
184 |
do while (yG(1,j,bi,bj) .ge. y_in(js+1)) |
js = js + 1 |
185 |
js = js + 1 |
enddo |
186 |
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s_ind(i,j) = js |
187 |
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n_ind(i,j) = js + 1 |
188 |
enddo |
enddo |
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s_ind(j) = js |
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n_ind(j) = js + 1 |
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189 |
enddo |
enddo |
190 |
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191 |
if (method .eq. 1) then |
if (method .eq. 1) then |
196 |
do i=1,snx |
do i=1,snx |
197 |
arrayout(i,j,bi,bj) = 0. |
arrayout(i,j,bi,bj) = 0. |
198 |
do l=0,1 |
do l=0,1 |
199 |
px_ind(l+1) = x_in(w_ind(i)+l) |
px_ind(l+1) = x_in(w_ind(i,j)+l) |
200 |
py_ind(l+1) = y_in(s_ind(j)+l) |
py_ind(l+1) = y_in(s_ind(i,j)+l) |
201 |
enddo |
enddo |
202 |
do k=1,2 |
do k=1,2 |
203 |
ew_val(k) = arrayin(w_ind(i),s_ind(j)+k-1) |
ew_val(k) = arrayin(w_ind(i,j),s_ind(i,j)+k-1) |
204 |
& *lagran(1,xG(i,1,bi,bj),px_ind,sp) |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
205 |
& +arrayin(e_ind(i),s_ind(j)+k-1) |
& +arrayin(e_ind(i,j),s_ind(i,j)+k-1) |
206 |
& *lagran(2,xG(i,1,bi,bj),px_ind,sp) |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
207 |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
208 |
& +ew_val(k)*lagran(k,yG(1,j,bi,bj),py_ind,sp) |
& +ew_val(k)*lagran(k,yG(i,j,bi,bj),py_ind,sp) |
209 |
enddo |
enddo |
210 |
enddo |
enddo |
211 |
enddo |
enddo |
217 |
do i=1,snx |
do i=1,snx |
218 |
arrayout(i,j,bi,bj) = 0. |
arrayout(i,j,bi,bj) = 0. |
219 |
do l=-1,2 |
do l=-1,2 |
220 |
px_ind(l+2) = x_in(w_ind(i)+l) |
px_ind(l+2) = x_in(w_ind(i,j)+l) |
221 |
py_ind(l+2) = y_in(s_ind(j)+l) |
py_ind(l+2) = y_in(s_ind(i,j)+l) |
222 |
enddo |
enddo |
223 |
do k=1,4 |
do k=1,4 |
224 |
ew_val(k) = |
ew_val(k) = |
225 |
& arrayin(w_ind(i)-1,s_ind(j)+k-2) |
& arrayin(w_ind(i,j)-1,s_ind(i,j)+k-2) |
226 |
& *lagran(1,xG(i,1,bi,bj),px_ind,sp) |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
227 |
& +arrayin(w_ind(i) ,s_ind(j)+k-2) |
& +arrayin(w_ind(i,j) ,s_ind(i,j)+k-2) |
228 |
& *lagran(2,xG(i,1,bi,bj),px_ind,sp) |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
229 |
& +arrayin(e_ind(i) ,s_ind(j)+k-2) |
& +arrayin(e_ind(i,j) ,s_ind(i,j)+k-2) |
230 |
& *lagran(3,xG(i,1,bi,bj),px_ind,sp) |
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
231 |
& +arrayin(e_ind(i)+1,s_ind(j)+k-2) |
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+k-2) |
232 |
& *lagran(4,xG(i,1,bi,bj),px_ind,sp) |
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
233 |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
234 |
& +ew_val(k)*lagran(k,yG(1,j,bi,bj),py_ind,sp) |
& +ew_val(k)*lagran(k,yG(i,j,bi,bj),py_ind,sp) |
235 |
enddo |
enddo |
236 |
enddo |
enddo |
237 |
enddo |
enddo |