6 |
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7 |
C !INTERFACE: |
C !INTERFACE: |
8 |
SUBROUTINE EXCH2_GET_UV_BOUNDS( |
SUBROUTINE EXCH2_GET_UV_BOUNDS( |
9 |
I fCode, eWdth, |
I fCode, eWdth, |
10 |
I fWedge, fEedge, fSedge, fNedge, |
I tgTile, tgNb, |
11 |
U tIlo1, tIhi1, tJlo1, tJhi1, |
O tIlo1, tIhi1, tJlo1, tJhi1, |
12 |
O tIlo2, tIhi2, tJlo2, tJhi2, |
O tIlo2, tIhi2, tJlo2, tJhi2, |
13 |
O tiStride, tjStride, |
O tiStride, tjStride, |
14 |
I e2_pij, |
O e2_oi1, e2_oj1, e2_oi2, e2_oj2, |
15 |
U e2_oi1, e2_oj1, |
I myThid ) |
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O e2_oi2, e2_oj2, |
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I myThid ) |
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16 |
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17 |
C !DESCRIPTION: |
C !DESCRIPTION: |
18 |
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C Return the index range & step of the part of the array (overlap-region) |
19 |
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C which is going to be updated by the exchange with 1 neighbour. |
20 |
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C 2 components vector field (UV) version. |
21 |
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22 |
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23 |
C !USES: |
C !USES: |
24 |
IMPLICIT NONE |
IMPLICIT NONE |
25 |
C == Global data == |
C == Global data == |
26 |
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#include "SIZE.h" |
27 |
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#include "W2_EXCH2_SIZE.h" |
28 |
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#include "W2_EXCH2_TOPOLOGY.h" |
29 |
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30 |
C !INPUT/OUTPUT PARAMETERS: |
C !INPUT/OUTPUT PARAMETERS: |
31 |
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C fCode :: field code (position on staggered grid) |
32 |
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C eWdth :: width of data region to exchange |
33 |
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C updateCorners :: flag, do update corner halo region if true |
34 |
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C tgTile :: target tile |
35 |
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C tgNb :: target Neighbour entry |
36 |
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C tIlo1, tIhi1 :: index range in I that will be filled in 1rst comp. array |
37 |
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C tJlo1, tJhi1 :: index range in J that will be filled in 1rst comp. array |
38 |
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C tIlo2, tIhi2 :: index range in I that will be filled in 2nd comp. array |
39 |
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C tJlo2, tJhi2 :: index range in J that will be filled in 2nd comp. array |
40 |
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C tiStride :: index step in I that will be filled in target arrays |
41 |
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C tjStride :: index step in J that will be filled in target arrays |
42 |
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C e2_oi1 :: index offset in target to source-1 index relation |
43 |
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C e2_oj1 :: index offset in target to source-1 index relation |
44 |
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C e2_oi2 :: index offset in target to source-2 index relation |
45 |
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C e2_oj2 :: index offset in target to source-2 index relation |
46 |
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C myThid :: my Thread Id. number |
47 |
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48 |
CHARACTER*2 fCode |
CHARACTER*2 fCode |
49 |
INTEGER eWdth |
INTEGER eWdth |
50 |
INTEGER fWedge, fEedge, fSedge, fNedge |
c LOGICAL updateCorners |
51 |
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INTEGER tgTile, tgNb |
52 |
INTEGER tIlo1, tIhi1, tJlo1, tJhi1 |
INTEGER tIlo1, tIhi1, tJlo1, tJhi1 |
53 |
INTEGER tIlo2, tIhi2, tJlo2, tJhi2 |
INTEGER tIlo2, tIhi2, tJlo2, tJhi2 |
54 |
INTEGER tiStride, tjStride |
INTEGER tiStride, tjStride |
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INTEGER e2_pij(4) |
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55 |
INTEGER e2_oi1, e2_oj1 |
INTEGER e2_oi1, e2_oj1 |
56 |
INTEGER e2_oi2, e2_oj2 |
INTEGER e2_oi2, e2_oj2 |
57 |
INTEGER myThid |
INTEGER myThid |
58 |
C |
C |
59 |
C !LOCAL VARIABLES: |
C !LOCAL VARIABLES: |
60 |
INTEGER tIlo, tIhi, tJlo, tJhi |
C soTile :: source tile |
61 |
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C soNb :: source Neighbour entry |
62 |
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INTEGER soTile |
63 |
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INTEGER soNb |
64 |
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INTEGER tIlo, tIhi, tJlo, tJhi |
65 |
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INTEGER i, e2_pij(4) |
66 |
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67 |
C--- exch2 target to source index relation: |
C--- exch2 target to source index relation: |
68 |
C is = pij(1)*it + pij(2)*jt + oi |
C is = pij(1)*it + pij(2)*jt + oi |
69 |
C js = pij(3)*it + pij(4)*jt + oj |
C js = pij(3)*it + pij(4)*jt + oj |
70 |
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71 |
C--- Save input in local variable |
C--- Initialise index range from Topology values: |
72 |
tIlo = tIlo1 |
tIlo = exch2_iLo(tgNb,tgTile) |
73 |
tIhi = tIhi1 |
tIhi = exch2_iHi(tgNb,tgTile) |
74 |
tJlo = tJlo1 |
tJlo = exch2_jLo(tgNb,tgTile) |
75 |
tJhi = tJhi1 |
tJhi = exch2_jHi(tgNb,tgTile) |
76 |
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soNb = exch2_opposingSend(tgNb,tgTile) |
77 |
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soTile = exch2_neighbourId(tgNb,tgTile) |
78 |
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e2_oi1 = exch2_oi(soNb,soTile) |
79 |
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e2_oj1 = exch2_oj(soNb,soTile) |
80 |
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DO i=1,4 |
81 |
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e2_pij(i) = exch2_pij(i,soNb,soTile) |
82 |
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ENDDO |
83 |
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84 |
C--- Expand index range according to exchange-Width "eWdth" |
C--- Expand index range according to exchange-Width "eWdth" |
85 |
IF ( tIlo.EQ.tIhi .AND. tIlo.EQ.0 ) THEN |
IF ( tIlo.EQ.tIhi .AND. tIlo.EQ.0 ) THEN |
86 |
C Sending to a west edge |
C Filling a west edge overlap |
87 |
tIlo1 = 1-eWdth |
tIlo1 = 1-eWdth |
88 |
tIhi1 = 0 |
tIhi1 = 0 |
89 |
tiStride=1 |
tiStride = 1 |
90 |
IF ( tJlo.LE.tJhi ) THEN |
IF ( tJlo.LE.tJhi ) THEN |
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tJlo1 = tJlo-eWdth+1 |
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tJhi1 = tJhi+eWdth-1 |
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91 |
tjStride=1 |
tjStride=1 |
92 |
ELSE |
ELSE |
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tJlo1 = tJlo+eWdth-1 |
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tJhi1 = tJhi-eWdth+1 |
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93 |
tjStride=-1 |
tjStride=-1 |
94 |
ENDIF |
ENDIF |
95 |
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tJlo1 = tJlo-tjStride*(eWdth-1) |
96 |
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tJhi1 = tJhi+tjStride*(eWdth-1) |
97 |
ENDIF |
ENDIF |
98 |
IF ( tIlo.EQ.tIhi .AND. tIlo.GT.1 ) THEN |
IF ( tIlo.EQ.tIhi .AND. tIlo.GT.1 ) THEN |
99 |
C Sending to an east edge |
C Filling an east edge overlap |
100 |
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tIlo1 = tIlo |
101 |
tIhi1 = tIhi+eWdth-1 |
tIhi1 = tIhi+eWdth-1 |
102 |
tiStride=1 |
tiStride = 1 |
103 |
IF ( tJlo.LE.tJhi ) THEN |
IF ( tJlo.LE.tJhi ) THEN |
104 |
tJlo1 = tJlo-eWdth+1 |
tjStride = 1 |
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tJhi1 = tJhi+eWdth-1 |
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tjStride=1 |
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105 |
ELSE |
ELSE |
106 |
tJlo1 = tJlo+eWdth-1 |
tjStride =-1 |
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tJhi1 = tJhi-eWdth+1 |
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tjStride=-1 |
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107 |
ENDIF |
ENDIF |
108 |
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tJlo1 = tJlo-tjStride*(eWdth-1) |
109 |
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tJhi1 = tJhi+tjStride*(eWdth-1) |
110 |
ENDIF |
ENDIF |
111 |
IF ( tJlo.EQ.tJhi .AND. tJlo.EQ.0 ) THEN |
IF ( tJlo.EQ.tJhi .AND. tJlo.EQ.0 ) THEN |
112 |
C Sending to a south edge |
C Filling a south edge overlap |
113 |
tJlo1 = 1-eWdth |
tJlo1 = 1-eWdth |
114 |
tJhi1 = 0 |
tJhi1 = 0 |
115 |
tjStride=1 |
tjStride = 1 |
116 |
IF ( tIlo .LE. tIhi ) THEN |
IF ( tIlo .LE. tIhi ) THEN |
117 |
tIlo1 = tIlo-eWdth+1 |
tiStride = 1 |
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tIhi1 = tIhi+eWdth-1 |
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tiStride=1 |
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118 |
ELSE |
ELSE |
119 |
tIlo1 = tIlo+eWdth-1 |
tiStride =-1 |
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tIhi1 = tIhi-eWdth+1 |
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tiStride=-1 |
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120 |
ENDIF |
ENDIF |
121 |
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tIlo1 = tIlo-tiStride*(eWdth-1) |
122 |
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tIhi1 = tIhi+tiStride*(eWdth-1) |
123 |
ENDIF |
ENDIF |
124 |
IF ( tJlo.EQ.tJhi .AND. tJlo.GT.1 ) THEN |
IF ( tJlo.EQ.tJhi .AND. tJlo.GT.1 ) THEN |
125 |
C Sending to a north edge |
C Filling a north edge overlap |
126 |
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tJlo1 = tJlo |
127 |
tJhi1 = tJhi+eWdth-1 |
tJhi1 = tJhi+eWdth-1 |
128 |
tjStride=1 |
tjStride = 1 |
129 |
IF ( tIlo.LE.tIhi ) THEN |
IF ( tIlo.LE.tIhi ) THEN |
130 |
tIlo1 = tIlo-eWdth+1 |
tiStride = 1 |
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tIhi1 = tIhi+eWdth-1 |
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tiStride=1 |
|
131 |
ELSE |
ELSE |
132 |
tIlo1 = tIlo+eWdth-1 |
tiStride =-1 |
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tIhi1 = tIhi-eWdth+1 |
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tiStride=-1 |
|
133 |
ENDIF |
ENDIF |
134 |
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tIlo1 = tIlo-tiStride*(eWdth-1) |
135 |
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tIhi1 = tIhi+tiStride*(eWdth-1) |
136 |
ENDIF |
ENDIF |
137 |
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138 |
C--- copy to 2nd set of indices |
C--- copy to 2nd set of indices |
171 |
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172 |
C--- Avoid updating (some) tile-corner halo region if across faces |
C--- Avoid updating (some) tile-corner halo region if across faces |
173 |
c IF ( tIlo.EQ.tIhi .AND. tIlo.EQ.0 ) THEN |
c IF ( tIlo.EQ.tIhi .AND. tIlo.EQ.0 ) THEN |
174 |
c IF ( fSedge.EQ.1 ) THEN |
c IF ( exch2_isSedge(tgTile).EQ.1 ) THEN |
175 |
C- West edge is touching the face S edge |
C- West edge is touching the face S edge |
176 |
c tJlo1 = tJlo+1 |
c tJlo1 = tJlo+1 |
177 |
c tJlo2 = tJlo+1 |
c tJlo2 = tJlo+1 |
178 |
c ENDIF |
c ENDIF |
179 |
c IF ( fNedge.EQ.1 ) THEN |
c IF ( exch2_isNedge(tgTile).EQ.1 ) THEN |
180 |
C- West edge is touching the face N edge |
C- West edge is touching the face N edge |
181 |
c tJhi1 = tJhi-1 |
c tJhi1 = tJhi-1 |
182 |
c tJhi2 = tJhi |
c tJhi2 = tJhi |
183 |
c ENDIF |
c ENDIF |
184 |
c ENDIF |
c ENDIF |
185 |
IF ( tIlo.EQ.tIhi .AND. tIlo.GT.1 ) THEN |
IF ( tIlo.EQ.tIhi .AND. tIlo.GT.1 ) THEN |
186 |
IF ( fSedge.EQ.1 ) THEN |
IF ( exch2_isSedge(tgTile).EQ.1 ) THEN |
187 |
C- East edge is touching the face S edge |
C- East edge is touching the face S edge |
188 |
tJlo1 = tJlo+1 |
tJlo1 = tJlo+1 |
189 |
tJlo2 = tJlo+1 |
tJlo2 = tJlo+1 |
190 |
ENDIF |
ENDIF |
191 |
IF ( fNedge.EQ.1 ) THEN |
IF ( exch2_isNedge(tgTile).EQ.1 ) THEN |
192 |
C- East edge is touching the face N edge |
C- East edge is touching the face N edge |
193 |
tJhi1 = tJhi-1 |
tJhi1 = tJhi-1 |
194 |
tJhi2 = tJhi |
tJhi2 = tJhi |
195 |
ENDIF |
ENDIF |
196 |
ENDIF |
ENDIF |
197 |
c IF ( tJlo.EQ.tJhi .AND. tJlo.EQ.0 ) THEN |
c IF ( tJlo.EQ.tJhi .AND. tJlo.EQ.0 ) THEN |
198 |
c IF ( fWedge.EQ.1 ) THEN |
c IF ( exch2_isWedge(tgTile).EQ.1 ) THEN |
199 |
C- South edge is touching the face W edge |
C- South edge is touching the face W edge |
200 |
c tIlo1 = tIlo+1 |
c tIlo1 = tIlo+1 |
201 |
c tIlo2 = tIlo+1 |
c tIlo2 = tIlo+1 |
202 |
c ENDIF |
c ENDIF |
203 |
c IF ( fEedge.EQ.1 ) THEN |
c IF ( exch2_isEedge(tgTile).EQ.1 ) THEN |
204 |
C- South Edge is touching the face E edge |
C- South Edge is touching the face E edge |
205 |
c tIhi1 = tIhi |
c tIhi1 = tIhi |
206 |
c tIhi2 = tIhi-1 |
c tIhi2 = tIhi-1 |
207 |
c ENDIF |
c ENDIF |
208 |
c ENDIF |
c ENDIF |
209 |
IF ( tJlo.EQ.tJhi .AND. tJlo.GT.1 ) THEN |
IF ( tJlo.EQ.tJhi .AND. tJlo.GT.1 ) THEN |
210 |
IF ( fWedge.EQ.1 ) THEN |
IF ( exch2_isWedge(tgTile).EQ.1 ) THEN |
211 |
C- North edge is touching the face W edge |
C- North edge is touching the face W edge |
212 |
tIlo1 = tIlo+1 |
tIlo1 = tIlo+1 |
213 |
tIlo2 = tIlo+1 |
tIlo2 = tIlo+1 |
214 |
ENDIF |
ENDIF |
215 |
IF ( fEedge.EQ.1 ) THEN |
IF ( exch2_isEedge(tgTile).EQ.1 ) THEN |
216 |
C- North Edge is touching the face E edge |
C- North Edge is touching the face E edge |
217 |
tIhi1 = tIhi |
tIhi1 = tIhi |
218 |
tIhi2 = tIhi-1 |
tIhi2 = tIhi-1 |