1 |
jmc |
1.24 |
C $Header: /u/gcmpack/MITgcm/pkg/exf/exf_interp.F,v 1.23 2008/01/24 08:29:51 mlosch Exp $ |
2 |
jmc |
1.19 |
C $Name: $ |
3 |
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4 |
edhill |
1.3 |
#include "EXF_OPTIONS.h" |
5 |
jmc |
1.20 |
|
6 |
dimitri |
1.1 |
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
7 |
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C Flux Coupler using C |
8 |
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C Bilinear interpolation of forcing fields C |
9 |
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C C |
10 |
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C B. Cheng (12/2002) C |
11 |
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C C |
12 |
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C added Bicubic (bnc 1/2003) C |
13 |
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C C |
14 |
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CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
15 |
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16 |
jmc |
1.20 |
_RL FUNCTION LAGRAN(i,x,a,sp) |
17 |
dimitri |
1.1 |
|
18 |
jmc |
1.20 |
INTEGER i |
19 |
dimitri |
1.1 |
_RS x |
20 |
jmc |
1.20 |
_RL a(4) |
21 |
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INTEGER sp |
22 |
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23 |
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C- local variables: |
24 |
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INTEGER k |
25 |
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_RL numer,denom |
26 |
dimitri |
1.1 |
|
27 |
jmc |
1.20 |
numer = 1. _d 0 |
28 |
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denom = 1. _d 0 |
29 |
dimitri |
1.1 |
|
30 |
mlosch |
1.22 |
#ifdef TARGET_NEC_SX |
31 |
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!CDIR UNROLL=8 |
32 |
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#endif /* TARGET_NEC_SX */ |
33 |
dimitri |
1.1 |
do k=1,sp |
34 |
jmc |
1.20 |
if ( k .ne. i) then |
35 |
dimitri |
1.1 |
denom = denom*(a(i) - a(k)) |
36 |
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numer = numer*(x - a(k)) |
37 |
jmc |
1.20 |
endif |
38 |
dimitri |
1.1 |
enddo |
39 |
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40 |
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lagran = numer/denom |
41 |
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42 |
jmc |
1.21 |
RETURN |
43 |
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END |
44 |
dimitri |
1.1 |
|
45 |
jmc |
1.24 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
46 |
dimitri |
1.1 |
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47 |
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SUBROUTINE exf_interp( |
48 |
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I infile, |
49 |
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I filePrec, |
50 |
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O arrayout, |
51 |
heimbach |
1.13 |
I irecord, xG_in, yG, |
52 |
dimitri |
1.2 |
I lon_0, lon_inc, |
53 |
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I lat_0, lat_inc, |
54 |
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I nx_in, ny_in, method, mythid) |
55 |
dimitri |
1.1 |
|
56 |
dimitri |
1.4 |
implicit none |
57 |
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58 |
jmc |
1.20 |
C infile (string) :: name of the binary input file (direct access) |
59 |
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C filePrec (integer) :: number of bits per word in file (32 or 64) |
60 |
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C arrout ( _RL ) :: output array |
61 |
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C irecord (integer) :: record number to read |
62 |
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C xG,yG :: coordinates for output grid to interpolate to |
63 |
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C lon_0, lat_0 :: lon and lat of sw corner of global input grid |
64 |
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C lon_inc :: scalar x-grid increment |
65 |
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C lat_inc :: vector y-grid increments |
66 |
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C nx_in,ny_in (integer) :: size in x & y direction of input file to read |
67 |
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C method :: 1,11,21 for bilinear; 2,12,22 for bicubic |
68 |
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C :: 1,2 for tracer; 11,12 for U; 21,22 for V |
69 |
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C myThid (integer) :: My Thread Id number |
70 |
dimitri |
1.1 |
C |
71 |
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72 |
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#include "SIZE.h" |
73 |
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#include "EEPARAMS.h" |
74 |
adcroft |
1.7 |
#include "PARAMS.h" |
75 |
dimitri |
1.2 |
|
76 |
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C subroutine variables |
77 |
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character*(*) infile |
78 |
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integer filePrec, irecord, nx_in, ny_in |
79 |
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_RL arrayout(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
80 |
jmc |
1.20 |
_RS xG_in (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
81 |
dimitri |
1.2 |
_RS yG (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
82 |
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_RL lon_0, lon_inc |
83 |
jmc |
1.24 |
c _RL lat_0, lat_inc(ny_in-1) |
84 |
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_RL lat_0, lat_inc(*) |
85 |
dimitri |
1.2 |
integer method, mythid |
86 |
dimitri |
1.1 |
|
87 |
jmc |
1.20 |
C functions |
88 |
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external lagran |
89 |
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_RL lagran |
90 |
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91 |
dimitri |
1.1 |
C local variables |
92 |
dimitri |
1.5 |
integer e_ind(snx,sny),w_ind(snx,sny) |
93 |
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integer n_ind(snx,sny),s_ind(snx,sny) |
94 |
jmc |
1.20 |
_RL px_ind(4), py_ind(4), ew_val(4) |
95 |
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_RL arrayin(-1:nx_in+2 , -1:ny_in+2) |
96 |
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_RL NorthValue |
97 |
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_RL x_in (-1:nx_in+2), y_in(-1:ny_in+2) |
98 |
dimitri |
1.5 |
integer i, j, k, l, js, bi, bj, sp, interp_unit |
99 |
mlosch |
1.22 |
#ifdef TARGET_NEC_SX |
100 |
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integer ic, ii, icnt |
101 |
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integer inx(snx*sny,2) |
102 |
mlosch |
1.23 |
_RL ew_val1, ew_val2, ew_val3, ew_val4 |
103 |
mlosch |
1.22 |
#endif |
104 |
heimbach |
1.13 |
_RS xG(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
105 |
jmc |
1.20 |
_RL ninety |
106 |
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PARAMETER ( ninety = 90. ) |
107 |
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_RS threeSixtyRS |
108 |
heimbach |
1.13 |
PARAMETER ( threeSixtyRS = 360. ) |
109 |
heimbach |
1.12 |
|
110 |
jmc |
1.14 |
C put xG in interval [ lon_0 , lon_0+360 [ |
111 |
heimbach |
1.12 |
do bj=myByLo(myThid),myByHi(myThid) |
112 |
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do bi=myBxLo(myThid),myBxHi(myThid) |
113 |
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do j=1-OLy,sNy+OLy |
114 |
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do i=1-OLx,sNx+OLx |
115 |
jmc |
1.14 |
xG(i,j,bi,bj) = xG_in(i,j,bi,bj)-lon_0 |
116 |
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& + threeSixtyRS*2. |
117 |
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xG(i,j,bi,bj) = lon_0+mod(xG(i,j,bi,bj),threeSixtyRS) |
118 |
heimbach |
1.12 |
enddo |
119 |
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enddo |
120 |
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enddo |
121 |
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enddo |
122 |
heimbach |
1.9 |
|
123 |
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call exf_interp_read( |
124 |
dimitri |
1.15 |
I infile, filePrec, |
125 |
heimbach |
1.9 |
O arrayin, |
126 |
dimitri |
1.15 |
I irecord, nx_in, ny_in, mythid) |
127 |
dimitri |
1.2 |
|
128 |
dimitri |
1.18 |
C setup input longitude grid |
129 |
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do i=-1,nx_in+2 |
130 |
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x_in(i) = lon_0 + (i-1)*lon_inc |
131 |
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enddo |
132 |
heimbach |
1.12 |
|
133 |
dimitri |
1.18 |
C setup input latitude grid |
134 |
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y_in(0) = lat_0 - lat_inc(1) |
135 |
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y_in(-1)= lat_0 - 2.*lat_inc(1) |
136 |
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y_in(1) = lat_0 |
137 |
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do j=2,ny_in |
138 |
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y_in(j) = y_in(j-1) + lat_inc(j-1) |
139 |
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enddo |
140 |
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do j=ny_in+1,ny_in+2 |
141 |
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if (y_in(j-1).eq.ninety) then |
142 |
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y_in(j) = 2 * ninety - y_in(j-2) |
143 |
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else |
144 |
jmc |
1.24 |
i = max(1,ny_in-1) |
145 |
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y_in(j) = min( y_in(j-1)+lat_inc(i), ninety ) |
146 |
dimitri |
1.18 |
endif |
147 |
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enddo |
148 |
dimitri |
1.1 |
|
149 |
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C enlarge boundary |
150 |
dimitri |
1.18 |
do j=1,ny_in |
151 |
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arrayin(0,j) = arrayin(nx_in,j) |
152 |
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arrayin(-1,j) = arrayin(nx_in-1,j) |
153 |
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arrayin(nx_in+1,j) = arrayin(1,j) |
154 |
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arrayin(nx_in+2,j) = arrayin(2,j) |
155 |
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enddo |
156 |
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do i=-1,nx_in+2 |
157 |
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arrayin(i,0) = arrayin(i,1) |
158 |
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arrayin(i,-1) = arrayin(i,1) |
159 |
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arrayin(i,ny_in+1) = arrayin(i,ny_in) |
160 |
jmc |
1.20 |
arrayin(i,ny_in+2) = arrayin(i,ny_in) |
161 |
dimitri |
1.18 |
enddo |
162 |
dimitri |
1.4 |
|
163 |
dimitri |
1.15 |
C For tracer (method=1,2) set to northernmost zonal-mean value |
164 |
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C at 90N to avoid sharp zonal gradients near the Pole. |
165 |
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C For U (method=11,12) set to zero at 90N to minimize velocity |
166 |
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C gradient at North Pole |
167 |
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C For V (method=11,12) set to northernmost zonal value at 90N, |
168 |
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C as is already done above in order to allow cross-PoleArctic flow |
169 |
dimitri |
1.18 |
do j=ny_in,ny_in+2 |
170 |
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if (y_in(j).eq.ninety) then |
171 |
dimitri |
1.15 |
if (method.eq.1 .or. method.eq.2) then |
172 |
jmc |
1.20 |
NorthValue = 0. |
173 |
dimitri |
1.15 |
do i=1,nx_in |
174 |
dimitri |
1.18 |
NorthValue = NorthValue + arrayin(i,j) |
175 |
dimitri |
1.15 |
enddo |
176 |
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NorthValue = NorthValue / nx_in |
177 |
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do i=-1,nx_in+2 |
178 |
dimitri |
1.18 |
arrayin(i,j) = NorthValue |
179 |
dimitri |
1.15 |
enddo |
180 |
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elseif (method.eq.11 .or. method.eq.12) then |
181 |
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do i=-1,nx_in+2 |
182 |
jmc |
1.20 |
arrayin(i,j) = 0. |
183 |
dimitri |
1.15 |
enddo |
184 |
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endif |
185 |
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endif |
186 |
dimitri |
1.18 |
enddo |
187 |
dimitri |
1.15 |
|
188 |
dimitri |
1.2 |
do bj = mybylo(mythid), mybyhi(mythid) |
189 |
|
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do bi = mybxlo(mythid), mybxhi(mythid) |
190 |
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191 |
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C check validity of input/output coordinates |
192 |
dimitri |
1.6 |
#ifdef ALLOW_DEBUG |
193 |
|
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if ( debugLevel .ge. debLevB ) then |
194 |
jmc |
1.24 |
do j=1,sny |
195 |
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do i=1,snx |
196 |
dimitri |
1.6 |
if ( xG(i,j,bi,bj) .lt. x_in(0) .or. |
197 |
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& xG(i,j,bi,bj) .ge. x_in(nx_in+1) .or. |
198 |
|
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& yG(i,j,bi,bj) .lt. y_in(0) .or. |
199 |
|
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& yG(i,j,bi,bj) .ge. y_in(ny_in+1) ) then |
200 |
|
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print*,'ERROR in S/R EXF_INTERP:' |
201 |
|
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print*,' input grid must encompass output grid.' |
202 |
|
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print*,'i,j,bi,bj' ,i,j,bi,bj |
203 |
|
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print*,'xG,yG' ,xG(i,j,bi,bj),yG(i,j,bi,bj) |
204 |
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print*,'nx_in,ny_in' ,nx_in ,ny_in |
205 |
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print*,'x_in(0,nx_in+1)',x_in(0) ,x_in(nx_in+1) |
206 |
|
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print*,'y_in(0,ny_in+1)',y_in(0) ,y_in(ny_in+1) |
207 |
|
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STOP ' ABNORMAL END: S/R EXF_INTERP' |
208 |
jmc |
1.24 |
endif |
209 |
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enddo |
210 |
dimitri |
1.6 |
enddo |
211 |
dimitri |
1.2 |
endif |
212 |
dimitri |
1.6 |
#endif /* ALLOW_DEBUG */ |
213 |
dimitri |
1.1 |
|
214 |
jmc |
1.20 |
C compute interpolation indices |
215 |
jmc |
1.24 |
do j=1,sny |
216 |
|
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do i=1,snx |
217 |
dimitri |
1.5 |
if (xG(i,j,bi,bj)-x_in(1) .ge. 0.) then |
218 |
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w_ind(i,j) = int((xG(i,j,bi,bj)-x_in(1))/lon_inc) + 1 |
219 |
|
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else |
220 |
|
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w_ind(i,j) = int((xG(i,j,bi,bj)-x_in(1))/lon_inc) |
221 |
|
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endif |
222 |
|
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e_ind(i,j) = w_ind(i,j) + 1 |
223 |
mlosch |
1.22 |
enddo |
224 |
|
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enddo |
225 |
|
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#ifndef TARGET_NEC_SX |
226 |
jmc |
1.24 |
C use the original and more readable variant of the algorithm that |
227 |
mlosch |
1.22 |
C has unvectorizable while-loops for each (i,j) |
228 |
jmc |
1.24 |
do j=1,sny |
229 |
|
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do i=1,snx |
230 |
dimitri |
1.6 |
js = ny_in*.5 |
231 |
dimitri |
1.5 |
do while (yG(i,j,bi,bj) .lt. y_in(js)) |
232 |
dimitri |
1.6 |
js = (js - 1)*.5 |
233 |
dimitri |
1.5 |
enddo |
234 |
|
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do while (yG(i,j,bi,bj) .ge. y_in(js+1)) |
235 |
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js = js + 1 |
236 |
|
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enddo |
237 |
|
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s_ind(i,j) = js |
238 |
mlosch |
1.22 |
enddo |
239 |
|
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enddo |
240 |
|
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#else /* TARGET_NEC_SX defined */ |
241 |
|
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C this variant vectorizes more efficiently than the original one because |
242 |
|
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C it moves the while loops out of the i,j loops (loop pushing) but |
243 |
|
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C it is ugly and incomprehensible |
244 |
jmc |
1.24 |
icnt = 0 |
245 |
mlosch |
1.22 |
do j=1,sny |
246 |
|
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do i=1,snx |
247 |
|
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s_ind(i,j) = ny_in*.5 |
248 |
jmc |
1.24 |
icnt = icnt+1 |
249 |
|
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inx(icnt,1) = i |
250 |
|
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inx(icnt,2) = j |
251 |
mlosch |
1.22 |
enddo |
252 |
|
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enddo |
253 |
|
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do while (icnt .gt. 0) |
254 |
|
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ii = 0 |
255 |
|
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!CDIR NODEP |
256 |
|
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do ic=1,icnt |
257 |
jmc |
1.24 |
i = inx(ic,1) |
258 |
|
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j = inx(ic,2) |
259 |
mlosch |
1.22 |
if (yG(i,j,bi,bj) .lt. y_in(s_ind(i,j))) then |
260 |
|
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s_ind(i,j) = (s_ind(i,j) - 1)*.5 |
261 |
|
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ii = ii+1 |
262 |
|
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inx(ii,1) = i |
263 |
|
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inx(ii,2) = j |
264 |
|
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endif |
265 |
|
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enddo |
266 |
jmc |
1.24 |
icnt = ii |
267 |
mlosch |
1.22 |
enddo |
268 |
jmc |
1.24 |
icnt = 0 |
269 |
mlosch |
1.22 |
do j=1,sny |
270 |
|
|
do i=1,snx |
271 |
jmc |
1.24 |
icnt = icnt+1 |
272 |
|
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inx(icnt,1) = i |
273 |
|
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inx(icnt,2) = j |
274 |
mlosch |
1.22 |
enddo |
275 |
|
|
enddo |
276 |
|
|
do while (icnt .gt. 0) |
277 |
|
|
ii = 0 |
278 |
|
|
!CDIR NODEP |
279 |
|
|
do ic=1,icnt |
280 |
jmc |
1.24 |
i = inx(ic,1) |
281 |
|
|
j = inx(ic,2) |
282 |
mlosch |
1.22 |
if (yG(i,j,bi,bj) .ge. y_in(s_ind(i,j)+1)) then |
283 |
|
|
s_ind(i,j) = s_ind(i,j) + 1 |
284 |
|
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ii = ii+1 |
285 |
|
|
inx(ii,1) = i |
286 |
|
|
inx(ii,2) = j |
287 |
|
|
endif |
288 |
|
|
enddo |
289 |
jmc |
1.24 |
icnt = ii |
290 |
mlosch |
1.22 |
enddo |
291 |
|
|
#endif /* TARGET_NEC_SX defined */ |
292 |
jmc |
1.24 |
do j=1,sny |
293 |
|
|
do i=1,snx |
294 |
mlosch |
1.22 |
n_ind(i,j) = s_ind(i,j) + 1 |
295 |
dimitri |
1.2 |
enddo |
296 |
dimitri |
1.1 |
enddo |
297 |
|
|
|
298 |
dimitri |
1.15 |
if (method.eq.1 .or. method.eq.11 .or. method.eq.21) then |
299 |
dimitri |
1.1 |
|
300 |
dimitri |
1.2 |
C bilinear interpolation |
301 |
|
|
sp = 2 |
302 |
|
|
do j=1,sny |
303 |
|
|
do i=1,snx |
304 |
dimitri |
1.1 |
arrayout(i,j,bi,bj) = 0. |
305 |
dimitri |
1.2 |
do l=0,1 |
306 |
dimitri |
1.5 |
px_ind(l+1) = x_in(w_ind(i,j)+l) |
307 |
|
|
py_ind(l+1) = y_in(s_ind(i,j)+l) |
308 |
dimitri |
1.1 |
enddo |
309 |
mlosch |
1.23 |
#ifndef TARGET_NEC_SX |
310 |
dimitri |
1.2 |
do k=1,2 |
311 |
dimitri |
1.5 |
ew_val(k) = arrayin(w_ind(i,j),s_ind(i,j)+k-1) |
312 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
313 |
|
|
& +arrayin(e_ind(i,j),s_ind(i,j)+k-1) |
314 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
315 |
dimitri |
1.2 |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
316 |
dimitri |
1.5 |
& +ew_val(k)*lagran(k,yG(i,j,bi,bj),py_ind,sp) |
317 |
dimitri |
1.1 |
enddo |
318 |
mlosch |
1.23 |
#else |
319 |
|
|
ew_val1 = arrayin(w_ind(i,j),s_ind(i,j)+1-1) |
320 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
321 |
|
|
& +arrayin(e_ind(i,j),s_ind(i,j)+1-1) |
322 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
323 |
|
|
ew_val2 = arrayin(w_ind(i,j),s_ind(i,j)+2-1) |
324 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
325 |
|
|
& +arrayin(e_ind(i,j),s_ind(i,j)+2-1) |
326 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
327 |
|
|
arrayout(i,j,bi,bj)= |
328 |
|
|
& +ew_val1*lagran(1,yG(i,j,bi,bj),py_ind,sp) |
329 |
|
|
& +ew_val2*lagran(2,yG(i,j,bi,bj),py_ind,sp) |
330 |
|
|
#endif /* TARGET_NEC_SX defined */ |
331 |
dimitri |
1.1 |
enddo |
332 |
|
|
enddo |
333 |
dimitri |
1.15 |
elseif (method .eq. 2 .or. method.eq.12 .or. method.eq.22) then |
334 |
dimitri |
1.1 |
|
335 |
dimitri |
1.2 |
C bicubic interpolation |
336 |
|
|
sp = 4 |
337 |
|
|
do j=1,sny |
338 |
|
|
do i=1,snx |
339 |
dimitri |
1.1 |
arrayout(i,j,bi,bj) = 0. |
340 |
dimitri |
1.2 |
do l=-1,2 |
341 |
dimitri |
1.5 |
px_ind(l+2) = x_in(w_ind(i,j)+l) |
342 |
|
|
py_ind(l+2) = y_in(s_ind(i,j)+l) |
343 |
dimitri |
1.1 |
enddo |
344 |
mlosch |
1.23 |
#ifndef TARGET_NEC_SX |
345 |
dimitri |
1.2 |
do k=1,4 |
346 |
|
|
ew_val(k) = |
347 |
dimitri |
1.5 |
& arrayin(w_ind(i,j)-1,s_ind(i,j)+k-2) |
348 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
349 |
|
|
& +arrayin(w_ind(i,j) ,s_ind(i,j)+k-2) |
350 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
351 |
|
|
& +arrayin(e_ind(i,j) ,s_ind(i,j)+k-2) |
352 |
jmc |
1.20 |
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
353 |
dimitri |
1.5 |
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+k-2) |
354 |
|
|
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
355 |
jmc |
1.20 |
arrayout(i,j,bi,bj)=arrayout(i,j,bi,bj) |
356 |
dimitri |
1.5 |
& +ew_val(k)*lagran(k,yG(i,j,bi,bj),py_ind,sp) |
357 |
dimitri |
1.1 |
enddo |
358 |
mlosch |
1.23 |
#else |
359 |
|
|
ew_val1 = |
360 |
|
|
& arrayin(w_ind(i,j)-1,s_ind(i,j)+1-2) |
361 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
362 |
|
|
& +arrayin(w_ind(i,j) ,s_ind(i,j)+1-2) |
363 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
364 |
|
|
& +arrayin(e_ind(i,j) ,s_ind(i,j)+1-2) |
365 |
|
|
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
366 |
|
|
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+1-2) |
367 |
|
|
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
368 |
|
|
ew_val2 = |
369 |
|
|
& arrayin(w_ind(i,j)-1,s_ind(i,j)+2-2) |
370 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
371 |
|
|
& +arrayin(w_ind(i,j) ,s_ind(i,j)+2-2) |
372 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
373 |
|
|
& +arrayin(e_ind(i,j) ,s_ind(i,j)+2-2) |
374 |
|
|
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
375 |
|
|
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+2-2) |
376 |
|
|
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
377 |
|
|
ew_val3 = |
378 |
|
|
& arrayin(w_ind(i,j)-1,s_ind(i,j)+3-2) |
379 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
380 |
|
|
& +arrayin(w_ind(i,j) ,s_ind(i,j)+3-2) |
381 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
382 |
|
|
& +arrayin(e_ind(i,j) ,s_ind(i,j)+3-2) |
383 |
|
|
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
384 |
|
|
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+3-2) |
385 |
|
|
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
386 |
|
|
ew_val4 = |
387 |
|
|
& arrayin(w_ind(i,j)-1,s_ind(i,j)+4-2) |
388 |
|
|
& *lagran(1,xG(i,j,bi,bj),px_ind,sp) |
389 |
|
|
& +arrayin(w_ind(i,j) ,s_ind(i,j)+4-2) |
390 |
|
|
& *lagran(2,xG(i,j,bi,bj),px_ind,sp) |
391 |
|
|
& +arrayin(e_ind(i,j) ,s_ind(i,j)+4-2) |
392 |
|
|
& *lagran(3,xG(i,j,bi,bj),px_ind,sp) |
393 |
|
|
& +arrayin(e_ind(i,j)+1,s_ind(i,j)+4-2) |
394 |
|
|
& *lagran(4,xG(i,j,bi,bj),px_ind,sp) |
395 |
|
|
arrayout(i,j,bi,bj)= |
396 |
|
|
& +ew_val1*lagran(1,yG(i,j,bi,bj),py_ind,sp) |
397 |
|
|
& +ew_val2*lagran(2,yG(i,j,bi,bj),py_ind,sp) |
398 |
|
|
& +ew_val3*lagran(3,yG(i,j,bi,bj),py_ind,sp) |
399 |
|
|
& +ew_val4*lagran(4,yG(i,j,bi,bj),py_ind,sp) |
400 |
|
|
#endif /* TARGET_NEC_SX defined */ |
401 |
dimitri |
1.2 |
enddo |
402 |
dimitri |
1.1 |
enddo |
403 |
dimitri |
1.2 |
else |
404 |
|
|
stop 'stop in exf_interp.F: interpolation method not supported' |
405 |
|
|
endif |
406 |
|
|
enddo |
407 |
|
|
enddo |
408 |
dimitri |
1.1 |
|
409 |
jmc |
1.20 |
RETURN |
410 |
dimitri |
1.1 |
END |