2 |
C $Name$ |
C $Name$ |
3 |
|
|
4 |
#include "EXF_OPTIONS.h" |
#include "EXF_OPTIONS.h" |
5 |
|
#undef OLD_EXF_INTERP_LAT_INDEX |
6 |
|
|
7 |
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
C==========================================* |
8 |
C Flux Coupler using C |
C Flux Coupler using | |
9 |
C Bilinear interpolation of forcing fields C |
C Bilinear interpolation of forcing fields | |
10 |
C C |
C | |
11 |
C B. Cheng (12/2002) C |
C B. Cheng (12/2002) | |
12 |
C C |
C | |
13 |
C added Bicubic (bnc 1/2003) C |
C added Bicubic (bnc 1/2003) | |
14 |
C C |
C | |
15 |
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
C==========================================* |
16 |
|
|
17 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
18 |
|
|
19 |
_RL FUNCTION LAGRAN(i,x,a,sp) |
_RL FUNCTION LAGRAN(i,x,a,sp) |
20 |
|
|
21 |
|
IMPLICIT NONE |
22 |
|
|
23 |
INTEGER i |
INTEGER i |
24 |
_RS x |
_RS x |
25 |
_RL a(4) |
_RL a(4) |
35 |
#ifdef TARGET_NEC_SX |
#ifdef TARGET_NEC_SX |
36 |
!CDIR UNROLL=8 |
!CDIR UNROLL=8 |
37 |
#endif /* TARGET_NEC_SX */ |
#endif /* TARGET_NEC_SX */ |
38 |
do k=1,sp |
DO k=1,sp |
39 |
if ( k .ne. i) then |
IF ( k .NE. i) THEN |
40 |
denom = denom*(a(i) - a(k)) |
denom = denom*(a(i) - a(k)) |
41 |
numer = numer*(x - a(k)) |
numer = numer*(x - a(k)) |
42 |
endif |
ENDIF |
43 |
enddo |
ENDDO |
44 |
|
|
45 |
lagran = numer/denom |
LAGRAN = numer/denom |
46 |
|
|
47 |
RETURN |
RETURN |
48 |
END |
END |
49 |
|
|
50 |
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
51 |
|
|
52 |
SUBROUTINE exf_interp( |
CBOP |
53 |
I infile, |
C !ROUTINE: EXF_INTERP |
54 |
I filePrec, |
C !INTERFACE: |
55 |
O arrayout, |
SUBROUTINE EXF_INTERP( |
56 |
I irecord, xG_in, yG, |
I inFile, |
57 |
I lon_0, lon_inc, |
I filePrec, |
58 |
I lat_0, lat_inc, |
O arrayout, |
59 |
I nx_in, ny_in, method, mythid) |
I irecord, xG_in, yG, |
60 |
|
I lon_0, lon_inc, |
61 |
|
I lat_0, lat_inc, |
62 |
|
I nxIn, nyIn, method, myThid ) |
63 |
|
|
64 |
|
C !DESCRIPTION: \bv |
65 |
|
C *==========================================================* |
66 |
|
C | SUBROUTINE EXF_INTERP |
67 |
|
C | o Load from file a regular lat-lon input field |
68 |
|
C | and interpolate on to the model grid location |
69 |
|
C *==========================================================* |
70 |
|
C \ev |
71 |
|
|
72 |
|
C !USES: |
73 |
|
IMPLICIT NONE |
74 |
|
C === Global variables === |
75 |
|
#include "SIZE.h" |
76 |
|
#include "EEPARAMS.h" |
77 |
|
#include "PARAMS.h" |
78 |
|
|
|
implicit none |
|
79 |
|
|
80 |
C infile (string) :: name of the binary input file (direct access) |
C !INPUT/OUTPUT PARAMETERS: |
81 |
|
C inFile (string) :: name of the binary input file (direct access) |
82 |
C filePrec (integer) :: number of bits per word in file (32 or 64) |
C filePrec (integer) :: number of bits per word in file (32 or 64) |
83 |
C arrout ( _RL ) :: output array |
C arrayout ( _RL ) :: output array |
84 |
C irecord (integer) :: record number to read |
C irecord (integer) :: record number to read |
85 |
C xG,yG :: coordinates for output grid to interpolate to |
C xG_in,yG :: coordinates for output grid to interpolate to |
86 |
C lon_0, lat_0 :: lon and lat of sw corner of global input grid |
C lon_0, lat_0 :: lon and lat of sw corner of global input grid |
87 |
C lon_inc :: scalar x-grid increment |
C lon_inc :: scalar x-grid increment |
88 |
C lat_inc :: vector y-grid increments |
C lat_inc :: vector y-grid increments |
89 |
C nx_in,ny_in (integer) :: size in x & y direction of input file to read |
C nxIn,nyIn (integer) :: size in x & y direction of input file to read |
90 |
C method :: 1,11,21 for bilinear; 2,12,22 for bicubic |
C method :: 1,11,21 for bilinear; 2,12,22 for bicubic |
91 |
C :: 1,2 for tracer; 11,12 for U; 21,22 for V |
C :: 1,2 for tracer; 11,12 for U; 21,22 for V |
92 |
C myThid (integer) :: My Thread Id number |
C myThid (integer) :: My Thread Id number |
|
C |
|
|
|
|
|
#include "SIZE.h" |
|
|
#include "EEPARAMS.h" |
|
|
#include "PARAMS.h" |
|
93 |
|
|
94 |
C subroutine variables |
CHARACTER*(*) infile |
95 |
character*(*) infile |
INTEGER filePrec, irecord, nxIn, nyIn |
|
integer filePrec, irecord, nx_in, ny_in |
|
96 |
_RL arrayout(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL arrayout(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
97 |
_RS xG_in (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RS xG_in (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
98 |
_RS yG (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RS yG (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
99 |
_RL lon_0, lon_inc |
_RL lon_0, lon_inc |
100 |
_RL lat_0, lat_inc(ny_in-1) |
c _RL lat_0, lat_inc(nyIn-1) |
101 |
integer method, mythid |
_RL lat_0, lat_inc(*) |
102 |
|
INTEGER method, myThid |
103 |
C functions |
|
104 |
external lagran |
C !FUNCTIONS: |
105 |
_RL lagran |
EXTERNAL LAGRAN |
106 |
|
_RL LAGRAN |
107 |
C local variables |
INTEGER ILNBLNK |
108 |
integer e_ind(snx,sny),w_ind(snx,sny) |
EXTERNAL ILNBLNK |
109 |
integer n_ind(snx,sny),s_ind(snx,sny) |
|
110 |
|
C !LOCAL VARIABLES: |
111 |
|
C msgBuf :: Informational/error message buffer |
112 |
|
C bi, bj :: tile indices |
113 |
|
CHARACTER*(MAX_LEN_MBUF) msgBuf |
114 |
|
INTEGER bi, bj |
115 |
|
INTEGER w_ind(sNx,sNy), s_ind(sNx,sNy) |
116 |
_RL px_ind(4), py_ind(4), ew_val(4) |
_RL px_ind(4), py_ind(4), ew_val(4) |
117 |
_RL arrayin(-1:nx_in+2 , -1:ny_in+2) |
_RL arrayin( -1:nxIn+2, -1:nyIn+2 ) |
118 |
|
_RL x_in(-1:nxIn+2), y_in(-1:nyIn+2) |
119 |
_RL NorthValue |
_RL NorthValue |
120 |
_RL x_in (-1:nx_in+2), y_in(-1:ny_in+2) |
INTEGER i, j, k, l, sp |
121 |
integer i, j, k, l, js, bi, bj, sp, interp_unit |
#ifdef OLD_EXF_INTERP_LAT_INDEX |
122 |
|
INTEGER js |
123 |
|
#else |
124 |
|
INTEGER nLoop |
125 |
|
_RL tmpVar |
126 |
|
#endif |
127 |
#ifdef TARGET_NEC_SX |
#ifdef TARGET_NEC_SX |
128 |
integer ic, ii, icnt |
INTEGER ic, ii, icnt |
129 |
integer inx(snx*sny,2) |
INTEGER inx(sNx*sNy,2) |
130 |
_RL ew_val1, ew_val2, ew_val3, ew_val4 |
_RL ew_val1, ew_val2, ew_val3, ew_val4 |
131 |
#endif |
#endif |
132 |
_RS xG(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RS xG(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
134 |
PARAMETER ( ninety = 90. ) |
PARAMETER ( ninety = 90. ) |
135 |
_RS threeSixtyRS |
_RS threeSixtyRS |
136 |
PARAMETER ( threeSixtyRS = 360. ) |
PARAMETER ( threeSixtyRS = 360. ) |
137 |
|
LOGICAL xIsPeriodic |
138 |
|
CEOP |
139 |
|
|
140 |
C put xG in interval [ lon_0 , lon_0+360 [ |
C-- put xG in interval [ lon_0 , lon_0+360 [ |
141 |
do bj=myByLo(myThid),myByHi(myThid) |
DO bj=myByLo(myThid),myByHi(myThid) |
142 |
do bi=myBxLo(myThid),myBxHi(myThid) |
DO bi=myBxLo(myThid),myBxHi(myThid) |
143 |
do j=1-OLy,sNy+OLy |
DO j=1-OLy,sNy+OLy |
144 |
do i=1-OLx,sNx+OLx |
DO i=1-OLx,sNx+OLx |
145 |
xG(i,j,bi,bj) = xG_in(i,j,bi,bj)-lon_0 |
xG(i,j,bi,bj) = xG_in(i,j,bi,bj)-lon_0 |
146 |
& + threeSixtyRS*2. |
& + threeSixtyRS*2. |
147 |
xG(i,j,bi,bj) = lon_0+mod(xG(i,j,bi,bj),threeSixtyRS) |
xG(i,j,bi,bj) = lon_0+MOD(xG(i,j,bi,bj),threeSixtyRS) |
148 |
enddo |
ENDDO |
149 |
enddo |
ENDDO |
150 |
enddo |
ENDDO |
151 |
enddo |
ENDDO |
152 |
|
|
153 |
call exf_interp_read( |
C-- Load inut field |
154 |
I infile, filePrec, |
CALL EXF_INTERP_READ( |
155 |
O arrayin, |
I inFile, filePrec, |
156 |
I irecord, nx_in, ny_in, mythid) |
O arrayin, |
157 |
|
I irecord, nxIn, nyIn, myThid ) |
158 |
|
|
159 |
C setup input longitude grid |
C-- setup input longitude grid |
160 |
do i=-1,nx_in+2 |
DO i=-1,nxIn+2 |
161 |
x_in(i) = lon_0 + (i-1)*lon_inc |
x_in(i) = lon_0 + (i-1)*lon_inc |
162 |
enddo |
ENDDO |
163 |
|
xIsPeriodic = nxIn.EQ.NINT( threeSixtyRS / lon_inc ) |
164 |
|
|
165 |
C setup input latitude grid |
C-- setup input latitude grid |
|
y_in(0) = lat_0 - lat_inc(1) |
|
|
y_in(-1)= lat_0 - 2.*lat_inc(1) |
|
166 |
y_in(1) = lat_0 |
y_in(1) = lat_0 |
167 |
do j=2,ny_in |
DO j=1,nyIn+1 |
168 |
y_in(j) = y_in(j-1) + lat_inc(j-1) |
i = MIN(j,nyIn-1) |
169 |
enddo |
y_in(j+1) = y_in(j) + lat_inc(i) |
170 |
do j=ny_in+1,ny_in+2 |
ENDDO |
171 |
if (y_in(j-1).eq.ninety) then |
C- Add 2 row @ southern end; if one is beyond S.pole, put one @ S.pole |
172 |
y_in(j) = 2 * ninety - y_in(j-2) |
y_in(0) = y_in(1) - lat_inc(1) |
173 |
else |
y_in(-1)= y_in(0) - lat_inc(1) |
174 |
y_in(j) = min( y_in(j-1)+lat_inc(ny_in-1), ninety ) |
c IF ( y_in(1).GT.-ninety .AND. y_in(0).LT.-ninety ) THEN |
175 |
endif |
c y_in(0) = -ninety |
176 |
enddo |
c y_in(-1) = -2.*ninety - y_in(1) |
177 |
|
c ENDIF |
178 |
C enlarge boundary |
c IF ( y_in(0).GT.-ninety .AND. y_in(-1).LT.-ninety ) THEN |
179 |
do j=1,ny_in |
c y_in(-1) = -ninety |
180 |
arrayin(0,j) = arrayin(nx_in,j) |
c ENDIF |
181 |
arrayin(-1,j) = arrayin(nx_in-1,j) |
C- Add 2 row @ northern end; if one is beyond N.pole, put one @ N.pole |
182 |
arrayin(nx_in+1,j) = arrayin(1,j) |
j = nyIn+1 |
183 |
arrayin(nx_in+2,j) = arrayin(2,j) |
IF ( y_in(j-1).LT.ninety .AND. y_in(j).GT.ninety ) THEN |
184 |
enddo |
y_in(j) = ninety |
185 |
do i=-1,nx_in+2 |
y_in(j+1) = 2.*ninety - y_in(j-1) |
186 |
arrayin(i,0) = arrayin(i,1) |
ENDIF |
187 |
arrayin(i,-1) = arrayin(i,1) |
j = nyIn+2 |
188 |
arrayin(i,ny_in+1) = arrayin(i,ny_in) |
IF ( y_in(j-1).LT.ninety .AND. y_in(j).GT.ninety ) THEN |
189 |
arrayin(i,ny_in+2) = arrayin(i,ny_in) |
y_in(j) = ninety |
190 |
enddo |
ENDIF |
191 |
|
|
192 |
|
C-- enlarge boundary |
193 |
|
IF ( xIsPeriodic ) THEN |
194 |
|
DO j=1,nyIn |
195 |
|
arrayin( 0,j) = arrayin(nxIn ,j) |
196 |
|
arrayin(-1,j) = arrayin(nxIn-1,j) |
197 |
|
arrayin(nxIn+1,j) = arrayin(1,j) |
198 |
|
arrayin(nxIn+2,j) = arrayin(2,j) |
199 |
|
ENDDO |
200 |
|
ELSE |
201 |
|
DO j=1,nyIn |
202 |
|
arrayin( 0,j) = arrayin(1,j) |
203 |
|
arrayin(-1,j) = arrayin(1,j) |
204 |
|
arrayin(nxIn+1,j) = arrayin(nxIn,j) |
205 |
|
arrayin(nxIn+2,j) = arrayin(nxIn,j) |
206 |
|
ENDDO |
207 |
|
ENDIF |
208 |
|
DO i=-1,nxIn+2 |
209 |
|
arrayin(i, 0) = arrayin(i,1) |
210 |
|
arrayin(i,-1) = arrayin(i,1) |
211 |
|
arrayin(i,nyIn+1) = arrayin(i,nyIn) |
212 |
|
arrayin(i,nyIn+2) = arrayin(i,nyIn) |
213 |
|
ENDDO |
214 |
|
|
215 |
C For tracer (method=1,2) set to northernmost zonal-mean value |
C- For tracer (method=1,2) set to northernmost zonal-mean value |
216 |
C at 90N to avoid sharp zonal gradients near the Pole. |
C at 90N to avoid sharp zonal gradients near the Pole. |
217 |
C For U (method=11,12) set to zero at 90N to minimize velocity |
C For U (method=11,12) set to zero at 90N to minimize velocity |
218 |
C gradient at North Pole |
C gradient at North Pole |
219 |
C For V (method=11,12) set to northernmost zonal value at 90N, |
C For V (method=11,12) set to northernmost zonal value at 90N, |
220 |
C as is already done above in order to allow cross-PoleArctic flow |
C as is already done above in order to allow cross-PoleArctic flow |
221 |
do j=ny_in,ny_in+2 |
DO j=nyIn,nyIn+2 |
222 |
if (y_in(j).eq.ninety) then |
IF (y_in(j).EQ.ninety) THEN |
223 |
if (method.eq.1 .or. method.eq.2) then |
IF (method.EQ.1 .OR. method.EQ.2) THEN |
224 |
NorthValue = 0. |
NorthValue = 0. |
225 |
do i=1,nx_in |
DO i=1,nxIn |
226 |
NorthValue = NorthValue + arrayin(i,j) |
NorthValue = NorthValue + arrayin(i,j) |
227 |
enddo |
ENDDO |
228 |
NorthValue = NorthValue / nx_in |
NorthValue = NorthValue / nxIn |
229 |
do i=-1,nx_in+2 |
DO i=-1,nxIn+2 |
230 |
arrayin(i,j) = NorthValue |
arrayin(i,j) = NorthValue |
231 |
enddo |
ENDDO |
232 |
elseif (method.eq.11 .or. method.eq.12) then |
ELSEIF (method.EQ.11 .OR. method.EQ.12) THEN |
233 |
do i=-1,nx_in+2 |
DO i=-1,nxIn+2 |
234 |
arrayin(i,j) = 0. |
arrayin(i,j) = 0. |
235 |
enddo |
ENDDO |
236 |
endif |
ENDIF |
237 |
endif |
ENDIF |
238 |
enddo |
ENDDO |
239 |
|
|
240 |
do bj = mybylo(mythid), mybyhi(mythid) |
DO bj = myByLo(myThid), myByHi(myThid) |
241 |
do bi = mybxlo(mythid), mybxhi(mythid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
242 |
|
|
243 |
C check validity of input/output coordinates |
C-- Check validity of input/output coordinates |
244 |
#ifdef ALLOW_DEBUG |
#ifdef ALLOW_DEBUG |
245 |
if ( debugLevel .ge. debLevB ) then |
IF ( debugLevel.GE.debLevC ) THEN |
246 |
do i=1,snx |
DO j=1,sNy |
247 |
do j=1,sny |
DO i=1,sNx |
248 |
if ( xG(i,j,bi,bj) .lt. x_in(0) .or. |
IF ( xG(i,j,bi,bj) .LT. x_in(0) .OR. |
249 |
& xG(i,j,bi,bj) .ge. x_in(nx_in+1) .or. |
& xG(i,j,bi,bj) .GE. x_in(nxIn+1) .OR. |
250 |
& yG(i,j,bi,bj) .lt. y_in(0) .or. |
& yG(i,j,bi,bj) .LT. y_in(0) .OR. |
251 |
& yG(i,j,bi,bj) .ge. y_in(ny_in+1) ) then |
& yG(i,j,bi,bj) .GE. y_in(nyIn+1) ) THEN |
252 |
print*,'ERROR in S/R EXF_INTERP:' |
l = ILNBLNK(inFile) |
253 |
print*,' input grid must encompass output grid.' |
WRITE(msgBuf,'(3A,I6)') |
254 |
print*,'i,j,bi,bj' ,i,j,bi,bj |
& 'EXF_INTERP: file="', inFile(1:l), '", rec=', irecord |
255 |
print*,'xG,yG' ,xG(i,j,bi,bj),yG(i,j,bi,bj) |
CALL PRINT_ERROR( msgBuf, myThid ) |
256 |
print*,'nx_in,ny_in' ,nx_in ,ny_in |
WRITE(msgBuf,'(A)') |
257 |
print*,'x_in(0,nx_in+1)',x_in(0) ,x_in(nx_in+1) |
& 'EXF_INTERP: input grid must encompass output grid.' |
258 |
print*,'y_in(0,ny_in+1)',y_in(0) ,y_in(ny_in+1) |
CALL PRINT_ERROR( msgBuf, myThid ) |
259 |
STOP ' ABNORMAL END: S/R EXF_INTERP' |
WRITE(msgBuf,'(A,2I8,2I6,A,1P2E14.6)') 'i,j,bi,bj=', |
260 |
endif |
& i,j,bi,bj, ' , xG,yG=', xG(i,j,bi,bj), yG(i,j,bi,bj) |
261 |
enddo |
CALL PRINT_ERROR( msgBuf, myThid ) |
262 |
enddo |
WRITE(msgBuf,'(A,I9,A,1P2E14.6)') 'nxIn=', nxIn, |
263 |
endif |
& ' , x_in(0,nxIn+1)=', x_in(0) ,x_in(nxIn+1) |
264 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
265 |
|
WRITE(msgBuf,'(A,I9,A,1P2E14.6)') 'nyIn=', nyIn, |
266 |
|
& ' , y_in(0,nyIn+1)=', y_in(0) ,y_in(nyIn+1) |
267 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
268 |
|
STOP 'ABNORMAL END: S/R EXF_INTERP' |
269 |
|
ENDIF |
270 |
|
ENDDO |
271 |
|
ENDDO |
272 |
|
ENDIF |
273 |
#endif /* ALLOW_DEBUG */ |
#endif /* ALLOW_DEBUG */ |
274 |
|
|
275 |
C compute interpolation indices |
C-- Compute interpolation indices |
276 |
do i=1,snx |
#ifdef OLD_EXF_INTERP_LAT_INDEX |
277 |
do j=1,sny |
DO j=1,sNy |
278 |
if (xG(i,j,bi,bj)-x_in(1) .ge. 0.) then |
DO i=1,sNx |
279 |
w_ind(i,j) = int((xG(i,j,bi,bj)-x_in(1))/lon_inc) + 1 |
IF (xG(i,j,bi,bj)-x_in(1) .GE. 0.) THEN |
280 |
else |
w_ind(i,j) = INT((xG(i,j,bi,bj)-x_in(1))/lon_inc) + 1 |
281 |
w_ind(i,j) = int((xG(i,j,bi,bj)-x_in(1))/lon_inc) |
ELSE |
282 |
endif |
w_ind(i,j) = INT((xG(i,j,bi,bj)-x_in(1))/lon_inc) |
283 |
e_ind(i,j) = w_ind(i,j) + 1 |
ENDIF |
284 |
enddo |
ENDDO |
285 |
enddo |
ENDDO |
286 |
#ifndef TARGET_NEC_SX |
#ifndef TARGET_NEC_SX |
287 |
C use the original and more readable variant of the algorithm that |
C- use the original and more readable variant of the algorithm that |
288 |
C has unvectorizable while-loops for each (i,j) |
C has unvectorizable while-loops for each (i,j) |
289 |
do i=1,snx |
DO j=1,sNy |
290 |
do j=1,sny |
DO i=1,sNx |
291 |
js = ny_in*.5 |
js = nyIn*.5 |
292 |
do while (yG(i,j,bi,bj) .lt. y_in(js)) |
DO WHILE (yG(i,j,bi,bj) .LT. y_in(js)) |
293 |
js = (js - 1)*.5 |
js = (js - 1)*.5 |
294 |
enddo |
ENDDO |
295 |
do while (yG(i,j,bi,bj) .ge. y_in(js+1)) |
DO WHILE (yG(i,j,bi,bj) .GE. y_in(js+1)) |
296 |
js = js + 1 |
js = js + 1 |
297 |
enddo |
ENDDO |
298 |
s_ind(i,j) = js |
s_ind(i,j) = js |
299 |
enddo |
ENDDO |
300 |
enddo |
ENDDO |
301 |
#else /* TARGET_NEC_SX defined */ |
#else /* TARGET_NEC_SX defined */ |
302 |
C this variant vectorizes more efficiently than the original one because |
C- this variant vectorizes more efficiently than the original one because |
303 |
C it moves the while loops out of the i,j loops (loop pushing) but |
C it moves the while loops out of the i,j loops (loop pushing) but |
304 |
C it is ugly and incomprehensible |
C it is ugly and incomprehensible |
305 |
icnt = 0 |
icnt = 0 |
306 |
do j=1,sny |
DO j=1,sNy |
307 |
do i=1,snx |
DO i=1,sNx |
308 |
s_ind(i,j) = ny_in*.5 |
s_ind(i,j) = nyIn*.5 |
309 |
icnt = icnt+1 |
icnt = icnt+1 |
310 |
inx(icnt,1) = i |
inx(icnt,1) = i |
311 |
inx(icnt,2) = j |
inx(icnt,2) = j |
312 |
enddo |
ENDDO |
313 |
enddo |
ENDDO |
314 |
do while (icnt .gt. 0) |
DO WHILE (icnt .GT. 0) |
315 |
ii = 0 |
ii = 0 |
316 |
!CDIR NODEP |
!CDIR NODEP |
317 |
do ic=1,icnt |
DO ic=1,icnt |
318 |
i = inx(ic,1) |
i = inx(ic,1) |
319 |
j = inx(ic,2) |
j = inx(ic,2) |
320 |
if (yG(i,j,bi,bj) .lt. y_in(s_ind(i,j))) then |
IF (yG(i,j,bi,bj) .LT. y_in(s_ind(i,j))) THEN |
321 |
s_ind(i,j) = (s_ind(i,j) - 1)*.5 |
s_ind(i,j) = (s_ind(i,j) - 1)*.5 |
322 |
ii = ii+1 |
ii = ii+1 |
323 |
inx(ii,1) = i |
inx(ii,1) = i |
324 |
inx(ii,2) = j |
inx(ii,2) = j |
325 |
endif |
ENDIF |
326 |
enddo |
ENDDO |
327 |
icnt = ii |
icnt = ii |
328 |
enddo |
ENDDO |
329 |
icnt = 0 |
icnt = 0 |
330 |
do j=1,sny |
DO j=1,sNy |
331 |
do i=1,snx |
DO i=1,sNx |
332 |
icnt = icnt+1 |
icnt = icnt+1 |
333 |
inx(icnt,1) = i |
inx(icnt,1) = i |
334 |
inx(icnt,2) = j |
inx(icnt,2) = j |
335 |
enddo |
ENDDO |
336 |
enddo |
ENDDO |
337 |
do while (icnt .gt. 0) |
DO WHILE (icnt .GT. 0) |
338 |
ii = 0 |
ii = 0 |
339 |
!CDIR NODEP |
!CDIR NODEP |
340 |
do ic=1,icnt |
DO ic=1,icnt |
341 |
i = inx(ic,1) |
i = inx(ic,1) |
342 |
j = inx(ic,2) |
j = inx(ic,2) |
343 |
if (yG(i,j,bi,bj) .ge. y_in(s_ind(i,j)+1)) then |
IF (yG(i,j,bi,bj) .GE. y_in(s_ind(i,j)+1)) THEN |
344 |
s_ind(i,j) = s_ind(i,j) + 1 |
s_ind(i,j) = s_ind(i,j) + 1 |
345 |
ii = ii+1 |
ii = ii+1 |
346 |
inx(ii,1) = i |
inx(ii,1) = i |
347 |
inx(ii,2) = j |
inx(ii,2) = j |
348 |
endif |
ENDIF |
349 |
enddo |
ENDDO |
350 |
icnt = ii |
icnt = ii |
351 |
enddo |
ENDDO |
352 |
#endif /* TARGET_NEC_SX defined */ |
#endif /* TARGET_NEC_SX defined */ |
353 |
do i=1,snx |
#else /* OLD_EXF_INTERP_LAT_INDEX */ |
354 |
do j=1,sny |
C-- latitude index |
355 |
n_ind(i,j) = s_ind(i,j) + 1 |
DO j=1,sNy |
356 |
enddo |
DO i=1,sNx |
357 |
enddo |
s_ind(i,j) = 0 |
358 |
|
w_ind(i,j) = nyIn+1 |
359 |
|
ENDDO |
360 |
|
ENDDO |
361 |
|
C # of pts = nyIn+2 ; # of interval = nyIn+1 ; evaluate nLoop as |
362 |
|
C 1 + truncated log2(# interval -1); add epsil=1.e-3 for safey |
363 |
|
tmpVar = nyIn + 1. _d -3 |
364 |
|
nLoop = 1 + INT( LOG(tmpVar)/LOG(2. _d 0) ) |
365 |
|
DO l=1,nLoop |
366 |
|
DO j=1,sNy |
367 |
|
DO i=1,sNx |
368 |
|
IF ( w_ind(i,j).GT.s_ind(i,j)+1 ) THEN |
369 |
|
k = NINT( (s_ind(i,j)+w_ind(i,j))*0.5 ) |
370 |
|
IF ( yG(i,j,bi,bj) .LT. y_in(k) ) THEN |
371 |
|
w_ind(i,j) = k |
372 |
|
ELSE |
373 |
|
s_ind(i,j) = k |
374 |
|
ENDIF |
375 |
|
ENDIF |
376 |
|
ENDDO |
377 |
|
ENDDO |
378 |
|
ENDDO |
379 |
|
#ifdef ALLOW_DEBUG |
380 |
|
IF ( debugLevel.GE.debLevC ) THEN |
381 |
|
C- Check that we found the right lat. index |
382 |
|
DO j=1,sNy |
383 |
|
DO i=1,sNx |
384 |
|
IF ( w_ind(i,j).NE.s_ind(i,j)+1 ) THEN |
385 |
|
l = ILNBLNK(inFile) |
386 |
|
WRITE(msgBuf,'(3A,I4,A,I4)') |
387 |
|
& 'EXF_INTERP: file="', inFile(1:l), '", rec=', irecord, |
388 |
|
& ', nLoop=', nLoop |
389 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
390 |
|
WRITE(msgBuf,'(A)') |
391 |
|
& 'EXF_INTERP: did not found Latitude index for grid-pt:' |
392 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
393 |
|
WRITE(msgBuf,'(A,2I8,2I6,A,1PE16.8)') |
394 |
|
& 'EXF_INTERP: i,j,bi,bj=',i,j,bi,bj,' , yG=',yG(i,j,bi,bj) |
395 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
396 |
|
WRITE(msgBuf,'(A,I8,A,1PE16.8)') |
397 |
|
& 'EXF_INTERP: s_ind=',s_ind(i,j),', lat=',y_in(s_ind(i,j)) |
398 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
399 |
|
WRITE(msgBuf,'(A,I8,A,1PE16.8)') |
400 |
|
& 'EXF_INTERP: n_ind=',w_ind(i,j),', lat=',y_in(w_ind(i,j)) |
401 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
402 |
|
STOP 'ABNORMAL END: S/R EXF_INTERP' |
403 |
|
ENDIF |
404 |
|
ENDDO |
405 |
|
ENDDO |
406 |
|
ENDIF |
407 |
|
#endif /* ALLOW_DEBUG */ |
408 |
|
C-- longitude index |
409 |
|
DO j=1,sNy |
410 |
|
DO i=1,sNx |
411 |
|
w_ind(i,j) = INT((xG(i,j,bi,bj)-x_in(-1))/lon_inc) - 1 |
412 |
|
ENDDO |
413 |
|
ENDDO |
414 |
|
#endif /* ndef OLD_EXF_INTERP_LAT_INDEX */ |
415 |
|
|
416 |
if (method.eq.1 .or. method.eq.11 .or. method.eq.21) then |
IF (method.EQ.1 .OR. method.EQ.11 .OR. method.EQ.21) THEN |
417 |
|
|
418 |
C bilinear interpolation |
C-- Bilinear interpolation |
419 |
sp = 2 |
sp = 2 |
420 |
do j=1,sny |
DO j=1,sNy |
421 |
do i=1,snx |
DO i=1,sNx |
422 |
arrayout(i,j,bi,bj) = 0. |
arrayout(i,j,bi,bj) = 0. |
423 |
do l=0,1 |
DO l=0,1 |
424 |
px_ind(l+1) = x_in(w_ind(i,j)+l) |
px_ind(l+1) = x_in(w_ind(i,j)+l) |
425 |
py_ind(l+1) = y_in(s_ind(i,j)+l) |
py_ind(l+1) = y_in(s_ind(i,j)+l) |
426 |
enddo |
ENDDO |
427 |
#ifndef TARGET_NEC_SX |
#ifndef TARGET_NEC_SX |
428 |
do k=1,2 |
DO k=1,2 |
429 |
ew_val(k) = arrayin(w_ind(i,j),s_ind(i,j)+k-1) |
ew_val(k) = arrayin(w_ind(i,j) ,s_ind(i,j)+k-1) |
430 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
431 |
& +arrayin(e_ind(i,j),s_ind(i,j)+k-1) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j)+k-1) |
432 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
433 |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
arrayout(i,j,bi,bj) = arrayout(i,j,bi,bj) |
434 |
& +ew_val(k)*lagran(k,yG(i,j,bi,bj),py_ind,sp) |
& + ew_val(k)*LAGRAN(k,yG(i,j,bi,bj),py_ind,sp) |
435 |
enddo |
ENDDO |
436 |
#else |
#else |
437 |
ew_val1 = arrayin(w_ind(i,j),s_ind(i,j)+1-1) |
ew_val1 = arrayin(w_ind(i,j) ,s_ind(i,j) ) |
438 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
439 |
& +arrayin(e_ind(i,j),s_ind(i,j)+1-1) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j) ) |
440 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
441 |
ew_val2 = arrayin(w_ind(i,j),s_ind(i,j)+2-1) |
ew_val2 = arrayin(w_ind(i,j) ,s_ind(i,j)+1) |
442 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
443 |
& +arrayin(e_ind(i,j),s_ind(i,j)+2-1) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j)+1) |
444 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
445 |
arrayout(i,j,bi,bj)= |
arrayout(i,j,bi,bj)= |
446 |
& +ew_val1*lagran(1,yG(i,j,bi,bj),py_ind,sp) |
& +ew_val1*LAGRAN(1,yG(i,j,bi,bj),py_ind,sp) |
447 |
& +ew_val2*lagran(2,yG(i,j,bi,bj),py_ind,sp) |
& +ew_val2*LAGRAN(2,yG(i,j,bi,bj),py_ind,sp) |
448 |
#endif /* TARGET_NEC_SX defined */ |
#endif /* TARGET_NEC_SX defined */ |
449 |
enddo |
ENDDO |
450 |
enddo |
ENDDO |
451 |
elseif (method .eq. 2 .or. method.eq.12 .or. method.eq.22) then |
ELSEIF (method .EQ. 2 .OR. method.EQ.12 .OR. method.EQ.22) THEN |
452 |
|
|
453 |
C bicubic interpolation |
C-- Bicubic interpolation |
454 |
sp = 4 |
sp = 4 |
455 |
do j=1,sny |
DO j=1,sNy |
456 |
do i=1,snx |
DO i=1,sNx |
457 |
arrayout(i,j,bi,bj) = 0. |
arrayout(i,j,bi,bj) = 0. |
458 |
do l=-1,2 |
DO l=-1,2 |
459 |
px_ind(l+2) = x_in(w_ind(i,j)+l) |
px_ind(l+2) = x_in(w_ind(i,j)+l) |
460 |
py_ind(l+2) = y_in(s_ind(i,j)+l) |
py_ind(l+2) = y_in(s_ind(i,j)+l) |
461 |
enddo |
ENDDO |
462 |
#ifndef TARGET_NEC_SX |
#ifndef TARGET_NEC_SX |
463 |
do k=1,4 |
DO k=1,4 |
464 |
ew_val(k) = |
ew_val(k) = arrayin(w_ind(i,j)-1,s_ind(i,j)+k-2) |
465 |
& arrayin(w_ind(i,j)-1,s_ind(i,j)+k-2) |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
466 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j) ,s_ind(i,j)+k-2) |
467 |
& +arrayin(w_ind(i,j) ,s_ind(i,j)+k-2) |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
468 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j)+k-2) |
469 |
& +arrayin(e_ind(i,j) ,s_ind(i,j)+k-2) |
& *LAGRAN(3,xG(i,j,bi,bj),px_ind,sp) |
470 |
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j)+2,s_ind(i,j)+k-2) |
471 |
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+k-2) |
& *LAGRAN(4,xG(i,j,bi,bj),px_ind,sp) |
472 |
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
arrayout(i,j,bi,bj) = arrayout(i,j,bi,bj) |
473 |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
& + ew_val(k)*LAGRAN(k,yG(i,j,bi,bj),py_ind,sp) |
474 |
& +ew_val(k)*lagran(k,yG(i,j,bi,bj),py_ind,sp) |
ENDDO |
|
enddo |
|
475 |
#else |
#else |
476 |
ew_val1 = |
ew_val1 = arrayin(w_ind(i,j)-1,s_ind(i,j)-1) |
477 |
& arrayin(w_ind(i,j)-1,s_ind(i,j)+1-2) |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
478 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j) ,s_ind(i,j)-1) |
479 |
& +arrayin(w_ind(i,j) ,s_ind(i,j)+1-2) |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
480 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j)-1) |
481 |
& +arrayin(e_ind(i,j) ,s_ind(i,j)+1-2) |
& *LAGRAN(3,xG(i,j,bi,bj),px_ind,sp) |
482 |
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j)+2,s_ind(i,j)-1) |
483 |
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+1-2) |
& *LAGRAN(4,xG(i,j,bi,bj),px_ind,sp) |
484 |
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
ew_val2 = arrayin(w_ind(i,j)-1,s_ind(i,j) ) |
485 |
ew_val2 = |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
486 |
& arrayin(w_ind(i,j)-1,s_ind(i,j)+2-2) |
& + arrayin(w_ind(i,j) ,s_ind(i,j) ) |
487 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
488 |
& +arrayin(w_ind(i,j) ,s_ind(i,j)+2-2) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j) ) |
489 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(3,xG(i,j,bi,bj),px_ind,sp) |
490 |
& +arrayin(e_ind(i,j) ,s_ind(i,j)+2-2) |
& + arrayin(w_ind(i,j)+2,s_ind(i,j) ) |
491 |
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(4,xG(i,j,bi,bj),px_ind,sp) |
492 |
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+2-2) |
ew_val3 = arrayin(w_ind(i,j)-1,s_ind(i,j)+1) |
493 |
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
494 |
ew_val3 = |
& + arrayin(w_ind(i,j) ,s_ind(i,j)+1) |
495 |
& arrayin(w_ind(i,j)-1,s_ind(i,j)+3-2) |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
496 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j)+1) |
497 |
& +arrayin(w_ind(i,j) ,s_ind(i,j)+3-2) |
& *LAGRAN(3,xG(i,j,bi,bj),px_ind,sp) |
498 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j)+2,s_ind(i,j)+1) |
499 |
& +arrayin(e_ind(i,j) ,s_ind(i,j)+3-2) |
& *LAGRAN(4,xG(i,j,bi,bj),px_ind,sp) |
500 |
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
ew_val4 = arrayin(w_ind(i,j)-1,s_ind(i,j)+2) |
501 |
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+3-2) |
& *LAGRAN(1,xG(i,j,bi,bj),px_ind,sp) |
502 |
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
& + arrayin(w_ind(i,j) ,s_ind(i,j)+2) |
503 |
ew_val4 = |
& *LAGRAN(2,xG(i,j,bi,bj),px_ind,sp) |
504 |
& arrayin(w_ind(i,j)-1,s_ind(i,j)+4-2) |
& + arrayin(w_ind(i,j)+1,s_ind(i,j)+2) |
505 |
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(3,xG(i,j,bi,bj),px_ind,sp) |
506 |
& +arrayin(w_ind(i,j) ,s_ind(i,j)+4-2) |
& + arrayin(w_ind(i,j)+2,s_ind(i,j)+2) |
507 |
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
& *LAGRAN(4,xG(i,j,bi,bj),px_ind,sp) |
508 |
& +arrayin(e_ind(i,j) ,s_ind(i,j)+4-2) |
arrayout(i,j,bi,bj) = |
509 |
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
& ew_val1*LAGRAN(1,yG(i,j,bi,bj),py_ind,sp) |
510 |
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+4-2) |
& +ew_val2*LAGRAN(2,yG(i,j,bi,bj),py_ind,sp) |
511 |
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
& +ew_val3*LAGRAN(3,yG(i,j,bi,bj),py_ind,sp) |
512 |
arrayout(i,j,bi,bj)= |
& +ew_val4*LAGRAN(4,yG(i,j,bi,bj),py_ind,sp) |
|
& +ew_val1*lagran(1,yG(i,j,bi,bj),py_ind,sp) |
|
|
& +ew_val2*lagran(2,yG(i,j,bi,bj),py_ind,sp) |
|
|
& +ew_val3*lagran(3,yG(i,j,bi,bj),py_ind,sp) |
|
|
& +ew_val4*lagran(4,yG(i,j,bi,bj),py_ind,sp) |
|
513 |
#endif /* TARGET_NEC_SX defined */ |
#endif /* TARGET_NEC_SX defined */ |
514 |
enddo |
ENDDO |
515 |
enddo |
ENDDO |
516 |
else |
ELSE |
517 |
stop 'stop in exf_interp.F: interpolation method not supported' |
l = ILNBLNK(inFile) |
518 |
endif |
WRITE(msgBuf,'(3A,I6)') |
519 |
enddo |
& 'EXF_INTERP: file="', inFile(1:l), '", rec=', irecord |
520 |
enddo |
CALL PRINT_ERROR( msgBuf, myThid ) |
521 |
|
WRITE(msgBuf,'(A,I8,A)') |
522 |
|
& 'EXF_INTERP: method=', method,' not supported' |
523 |
|
CALL PRINT_ERROR( msgBuf, myThid ) |
524 |
|
STOP 'ABNORMAL END: S/R EXF_INTERP: invalid method' |
525 |
|
ENDIF |
526 |
|
ENDDO |
527 |
|
ENDDO |
528 |
|
|
529 |
RETURN |
RETURN |
530 |
END |
END |