| [1591] | 1 | ! |
|---|
| [1685] | 2 | ! $Id$ |
|---|
| [1591] | 3 | ! |
|---|
| [1108] | 4 | MODULE filtreg_mod |
|---|
| [1086] | 5 | |
|---|
| 6 | REAL, DIMENSION(:,:,:), ALLOCATABLE :: matriceun,matriceus,matricevn |
|---|
| 7 | REAL, DIMENSION(:,:,:), ALLOCATABLE :: matricevs,matrinvn,matrinvs |
|---|
| 8 | |
|---|
| 9 | CONTAINS |
|---|
| 10 | |
|---|
| 11 | SUBROUTINE inifilr |
|---|
| [1840] | 12 | #ifdef CPP_PARA |
|---|
| [1685] | 13 | USE mod_filtre_fft, ONLY : use_filtre_fft,Init_filtre_fft |
|---|
| 14 | USE mod_filtre_fft_loc, ONLY : Init_filtre_fft_loc=>Init_filtre_fft ! |
|---|
| [1840] | 15 | #endif |
|---|
| [2598] | 16 | USE serre_mod, ONLY: alphax |
|---|
| [2603] | 17 | USE logic_mod, ONLY: fxyhypb, ysinus |
|---|
| [1086] | 18 | ! ... H. Upadhyaya, O.Sharma ... |
|---|
| 19 | ! |
|---|
| 20 | IMPLICIT NONE |
|---|
| 21 | ! |
|---|
| 22 | ! version 3 ..... |
|---|
| 23 | |
|---|
| 24 | ! Correction le 28/10/97 P. Le Van . |
|---|
| 25 | ! ------------------------------------------------------------------- |
|---|
| [2598] | 26 | include "dimensions.h" |
|---|
| 27 | include "paramet.h" |
|---|
| [1086] | 28 | ! ------------------------------------------------------------------- |
|---|
| [2598] | 29 | include "comgeom.h" |
|---|
| 30 | include "coefils.h" |
|---|
| [1086] | 31 | |
|---|
| 32 | REAL dlonu(iim),dlatu(jjm) |
|---|
| 33 | REAL rlamda( iim ), eignvl( iim ) |
|---|
| 34 | ! |
|---|
| 35 | |
|---|
| 36 | REAL lamdamax,pi,cof |
|---|
| 37 | INTEGER i,j,modemax,imx,k,kf,ii |
|---|
| 38 | REAL dymin,dxmin,colat0 |
|---|
| 39 | REAL eignft(iim,iim), coff |
|---|
| 40 | |
|---|
| 41 | LOGICAL, SAVE :: first_call_inifilr = .TRUE. |
|---|
| 42 | |
|---|
| 43 | #ifdef CRAY |
|---|
| 44 | INTEGER ISMIN |
|---|
| 45 | EXTERNAL ISMIN |
|---|
| 46 | INTEGER iymin |
|---|
| 47 | INTEGER ixmineq |
|---|
| 48 | #endif |
|---|
| 49 | ! |
|---|
| 50 | ! ------------------------------------------------------------ |
|---|
| 51 | ! This routine computes the eigenfunctions of the laplacien |
|---|
| 52 | ! on the stretched grid, and the filtering coefficients |
|---|
| 53 | ! |
|---|
| 54 | ! We designate: |
|---|
| 55 | ! eignfn eigenfunctions of the discrete laplacien |
|---|
| 56 | ! eigenvl eigenvalues |
|---|
| 57 | ! jfiltn indexof the last scalar line filtered in NH |
|---|
| 58 | ! jfilts index of the first line filtered in SH |
|---|
| 59 | ! modfrst index of the mode from WHERE modes are filtered |
|---|
| 60 | ! modemax maximum number of modes ( im ) |
|---|
| 61 | ! coefil filtering coefficients ( lamda_max*COS(rlat)/lamda ) |
|---|
| 62 | ! sdd SQRT( dx ) |
|---|
| 63 | ! |
|---|
| 64 | ! the modes are filtered from modfrst to modemax |
|---|
| 65 | ! |
|---|
| 66 | !----------------------------------------------------------- |
|---|
| 67 | ! |
|---|
| [4440] | 68 | if ( iim == 1 ) return ! No filtre in 2D y-z |
|---|
| [1086] | 69 | |
|---|
| 70 | pi = 2. * ASIN( 1. ) |
|---|
| 71 | |
|---|
| 72 | DO i = 1,iim |
|---|
| 73 | dlonu(i) = xprimu( i ) |
|---|
| 74 | ENDDO |
|---|
| 75 | ! |
|---|
| 76 | CALL inifgn(eignvl) |
|---|
| 77 | ! |
|---|
| [1591] | 78 | PRINT *,'inifilr: EIGNVL ' |
|---|
| [1086] | 79 | PRINT 250,eignvl |
|---|
| [1591] | 80 | 250 FORMAT( 1x,5e14.6) |
|---|
| [1086] | 81 | ! |
|---|
| 82 | ! compute eigenvalues and eigenfunctions |
|---|
| 83 | ! |
|---|
| 84 | ! |
|---|
| 85 | !................................................................. |
|---|
| 86 | ! |
|---|
| 87 | ! compute the filtering coefficients for scalar lines and |
|---|
| 88 | ! meridional wind v-lines |
|---|
| 89 | ! |
|---|
| 90 | ! we filter all those latitude lines WHERE coefil < 1 |
|---|
| 91 | ! NO FILTERING AT POLES |
|---|
| 92 | ! |
|---|
| 93 | ! colat0 is to be used when alpha (stretching coefficient) |
|---|
| 94 | ! is set equal to zero for the regular grid CASE |
|---|
| 95 | ! |
|---|
| 96 | ! ....... Calcul de colat0 ......... |
|---|
| 97 | ! ..... colat0 = minimum de ( 0.5, min dy/ min dx ) ... |
|---|
| 98 | ! |
|---|
| 99 | ! |
|---|
| 100 | DO j = 1,jjm |
|---|
| 101 | dlatu( j ) = rlatu( j ) - rlatu( j+1 ) |
|---|
| 102 | ENDDO |
|---|
| 103 | ! |
|---|
| 104 | #ifdef CRAY |
|---|
| 105 | iymin = ISMIN( jjm, dlatu, 1 ) |
|---|
| 106 | ixmineq = ISMIN( iim, dlonu, 1 ) |
|---|
| 107 | dymin = dlatu( iymin ) |
|---|
| 108 | dxmin = dlonu( ixmineq ) |
|---|
| 109 | #else |
|---|
| 110 | dxmin = dlonu(1) |
|---|
| 111 | DO i = 2, iim |
|---|
| 112 | dxmin = MIN( dxmin,dlonu(i) ) |
|---|
| 113 | ENDDO |
|---|
| 114 | dymin = dlatu(1) |
|---|
| 115 | DO j = 2, jjm |
|---|
| 116 | dymin = MIN( dymin,dlatu(j) ) |
|---|
| 117 | ENDDO |
|---|
| 118 | #endif |
|---|
| 119 | ! |
|---|
| [1591] | 120 | ! For a regular grid, we want the filter to start at latitudes |
|---|
| 121 | ! corresponding to lengths dx of the same size as dy (in terms |
|---|
| 122 | ! of angles: dx=2*dy) => at colat0=0.5 (i.e. colatitude=30 degrees |
|---|
| 123 | ! <=> latitude=60 degrees). |
|---|
| 124 | ! Same idea for the zoomed grid: start filtering polewards as soon |
|---|
| 125 | ! as length dx becomes of the same size as dy |
|---|
| [1086] | 126 | ! |
|---|
| 127 | colat0 = MIN( 0.5, dymin/dxmin ) |
|---|
| [4440] | 128 | ! colat0 = 1. |
|---|
| [1086] | 129 | ! |
|---|
| 130 | IF( .NOT.fxyhypb.AND.ysinus ) THEN |
|---|
| 131 | colat0 = 0.6 |
|---|
| 132 | ! ...... a revoir pour ysinus ! ....... |
|---|
| 133 | alphax = 0. |
|---|
| 134 | ENDIF |
|---|
| 135 | ! |
|---|
| 136 | PRINT 50, colat0,alphax |
|---|
| 137 | 50 FORMAT(/15x,' Inifilr colat0 alphax ',2e16.7) |
|---|
| 138 | ! |
|---|
| 139 | IF(alphax.EQ.1. ) THEN |
|---|
| 140 | PRINT *,' Inifilr alphax doit etre < a 1. Corriger ' |
|---|
| 141 | STOP |
|---|
| 142 | ENDIF |
|---|
| 143 | ! |
|---|
| 144 | lamdamax = iim / ( pi * colat0 * ( 1. - alphax ) ) |
|---|
| 145 | |
|---|
| 146 | ! ... Correction le 28/10/97 ( P.Le Van ) .. |
|---|
| 147 | ! |
|---|
| 148 | DO i = 2,iim |
|---|
| 149 | rlamda( i ) = lamdamax/ SQRT( ABS( eignvl(i) ) ) |
|---|
| 150 | ENDDO |
|---|
| 151 | ! |
|---|
| 152 | |
|---|
| 153 | DO j = 1,jjm |
|---|
| 154 | DO i = 1,iim |
|---|
| 155 | coefilu( i,j ) = 0.0 |
|---|
| 156 | coefilv( i,j ) = 0.0 |
|---|
| 157 | coefilu2( i,j ) = 0.0 |
|---|
| 158 | coefilv2( i,j ) = 0.0 |
|---|
| 159 | ENDDO |
|---|
| 160 | ENDDO |
|---|
| 161 | |
|---|
| 162 | ! |
|---|
| 163 | ! ... Determination de jfiltnu,jfiltnv,jfiltsu,jfiltsv .... |
|---|
| 164 | ! ......................................................... |
|---|
| 165 | ! |
|---|
| 166 | modemax = iim |
|---|
| 167 | |
|---|
| 168 | !!!! imx = modemax - 4 * (modemax/iim) |
|---|
| 169 | |
|---|
| 170 | imx = iim |
|---|
| 171 | ! |
|---|
| [1591] | 172 | PRINT *,'inifilr: TRUNCATION AT ',imx |
|---|
| [1086] | 173 | ! |
|---|
| [1591] | 174 | ! Ehouarn: set up some defaults |
|---|
| 175 | jfiltnu=2 ! avoid north pole |
|---|
| 176 | jfiltsu=jjm ! avoid south pole (which is at jjm+1) |
|---|
| 177 | jfiltnv=1 ! NB: no poles on the V grid |
|---|
| 178 | jfiltsv=jjm |
|---|
| 179 | |
|---|
| [1086] | 180 | DO j = 2, jjm/2+1 |
|---|
| 181 | cof = COS( rlatu(j) )/ colat0 |
|---|
| 182 | IF ( cof .LT. 1. ) THEN |
|---|
| [1591] | 183 | IF( rlamda(imx) * COS(rlatu(j) ).LT.1. ) THEN |
|---|
| 184 | jfiltnu= j |
|---|
| 185 | ENDIF |
|---|
| [1086] | 186 | ENDIF |
|---|
| 187 | |
|---|
| 188 | cof = COS( rlatu(jjp1-j+1) )/ colat0 |
|---|
| 189 | IF ( cof .LT. 1. ) THEN |
|---|
| [1591] | 190 | IF( rlamda(imx) * COS(rlatu(jjp1-j+1) ).LT.1. ) THEN |
|---|
| [1086] | 191 | jfiltsu= jjp1-j+1 |
|---|
| [1591] | 192 | ENDIF |
|---|
| [1086] | 193 | ENDIF |
|---|
| 194 | ENDDO |
|---|
| 195 | ! |
|---|
| 196 | DO j = 1, jjm/2 |
|---|
| 197 | cof = COS( rlatv(j) )/ colat0 |
|---|
| 198 | IF ( cof .LT. 1. ) THEN |
|---|
| [1591] | 199 | IF( rlamda(imx) * COS(rlatv(j) ).LT.1. ) THEN |
|---|
| 200 | jfiltnv= j |
|---|
| 201 | ENDIF |
|---|
| [1086] | 202 | ENDIF |
|---|
| 203 | |
|---|
| 204 | cof = COS( rlatv(jjm-j+1) )/ colat0 |
|---|
| 205 | IF ( cof .LT. 1. ) THEN |
|---|
| [1591] | 206 | IF( rlamda(imx) * COS(rlatv(jjm-j+1) ).LT.1. ) THEN |
|---|
| [1086] | 207 | jfiltsv= jjm-j+1 |
|---|
| [1591] | 208 | ENDIF |
|---|
| [1086] | 209 | ENDIF |
|---|
| 210 | ENDDO |
|---|
| 211 | ! |
|---|
| 212 | |
|---|
| 213 | IF( jfiltnu.GT. jjm/2 +1 ) THEN |
|---|
| 214 | PRINT *,' jfiltnu en dehors des valeurs acceptables ' ,jfiltnu |
|---|
| 215 | STOP |
|---|
| 216 | ENDIF |
|---|
| 217 | |
|---|
| 218 | IF( jfiltsu.GT. jjm +1 ) THEN |
|---|
| 219 | PRINT *,' jfiltsu en dehors des valeurs acceptables ' ,jfiltsu |
|---|
| 220 | STOP |
|---|
| 221 | ENDIF |
|---|
| 222 | |
|---|
| 223 | IF( jfiltnv.GT. jjm/2 ) THEN |
|---|
| 224 | PRINT *,' jfiltnv en dehors des valeurs acceptables ' ,jfiltnv |
|---|
| 225 | STOP |
|---|
| 226 | ENDIF |
|---|
| 227 | |
|---|
| 228 | IF( jfiltsv.GT. jjm ) THEN |
|---|
| 229 | PRINT *,' jfiltsv en dehors des valeurs acceptables ' ,jfiltsv |
|---|
| 230 | STOP |
|---|
| 231 | ENDIF |
|---|
| 232 | |
|---|
| [1591] | 233 | PRINT *,'inifilr: jfiltnv jfiltsv jfiltnu jfiltsu ' , & |
|---|
| [1086] | 234 | jfiltnv,jfiltsv,jfiltnu,jfiltsu |
|---|
| 235 | |
|---|
| 236 | IF(first_call_inifilr) THEN |
|---|
| 237 | ALLOCATE(matriceun(iim,iim,jfiltnu)) |
|---|
| [1591] | 238 | ALLOCATE(matriceus(iim,iim,jjm-jfiltsu+1)) |
|---|
| [1086] | 239 | ALLOCATE(matricevn(iim,iim,jfiltnv)) |
|---|
| [1591] | 240 | ALLOCATE(matricevs(iim,iim,jjm-jfiltsv+1)) |
|---|
| [1086] | 241 | ALLOCATE( matrinvn(iim,iim,jfiltnu)) |
|---|
| [1591] | 242 | ALLOCATE( matrinvs(iim,iim,jjm-jfiltsu+1)) |
|---|
| [1086] | 243 | first_call_inifilr = .FALSE. |
|---|
| 244 | ENDIF |
|---|
| 245 | |
|---|
| 246 | ! |
|---|
| 247 | ! ... Determination de coefilu,coefilv,n=modfrstu,modfrstv .... |
|---|
| 248 | !................................................................ |
|---|
| 249 | ! |
|---|
| 250 | ! |
|---|
| 251 | DO j = 1,jjm |
|---|
| [1591] | 252 | !default initialization: all modes are retained (i.e. no filtering) |
|---|
| [1086] | 253 | modfrstu( j ) = iim |
|---|
| 254 | modfrstv( j ) = iim |
|---|
| 255 | ENDDO |
|---|
| 256 | ! |
|---|
| 257 | DO j = 2,jfiltnu |
|---|
| 258 | DO k = 2,modemax |
|---|
| 259 | cof = rlamda(k) * COS( rlatu(j) ) |
|---|
| 260 | IF ( cof .LT. 1. ) GOTO 82 |
|---|
| 261 | ENDDO |
|---|
| 262 | GOTO 84 |
|---|
| 263 | 82 modfrstu( j ) = k |
|---|
| 264 | ! |
|---|
| 265 | kf = modfrstu( j ) |
|---|
| 266 | DO k = kf , modemax |
|---|
| 267 | cof = rlamda(k) * COS( rlatu(j) ) |
|---|
| 268 | coefilu(k,j) = cof - 1. |
|---|
| 269 | coefilu2(k,j) = cof*cof - 1. |
|---|
| 270 | ENDDO |
|---|
| 271 | 84 CONTINUE |
|---|
| 272 | ENDDO |
|---|
| 273 | ! |
|---|
| 274 | ! |
|---|
| 275 | DO j = 1,jfiltnv |
|---|
| 276 | ! |
|---|
| 277 | DO k = 2,modemax |
|---|
| 278 | cof = rlamda(k) * COS( rlatv(j) ) |
|---|
| 279 | IF ( cof .LT. 1. ) GOTO 87 |
|---|
| 280 | ENDDO |
|---|
| 281 | GOTO 89 |
|---|
| 282 | 87 modfrstv( j ) = k |
|---|
| 283 | ! |
|---|
| 284 | kf = modfrstv( j ) |
|---|
| 285 | DO k = kf , modemax |
|---|
| 286 | cof = rlamda(k) * COS( rlatv(j) ) |
|---|
| 287 | coefilv(k,j) = cof - 1. |
|---|
| 288 | coefilv2(k,j) = cof*cof - 1. |
|---|
| 289 | ENDDO |
|---|
| 290 | 89 CONTINUE |
|---|
| 291 | ENDDO |
|---|
| 292 | ! |
|---|
| 293 | DO j = jfiltsu,jjm |
|---|
| 294 | DO k = 2,modemax |
|---|
| 295 | cof = rlamda(k) * COS( rlatu(j) ) |
|---|
| 296 | IF ( cof .LT. 1. ) GOTO 92 |
|---|
| 297 | ENDDO |
|---|
| 298 | GOTO 94 |
|---|
| 299 | 92 modfrstu( j ) = k |
|---|
| 300 | ! |
|---|
| 301 | kf = modfrstu( j ) |
|---|
| 302 | DO k = kf , modemax |
|---|
| 303 | cof = rlamda(k) * COS( rlatu(j) ) |
|---|
| 304 | coefilu(k,j) = cof - 1. |
|---|
| 305 | coefilu2(k,j) = cof*cof - 1. |
|---|
| 306 | ENDDO |
|---|
| 307 | 94 CONTINUE |
|---|
| 308 | ENDDO |
|---|
| 309 | ! |
|---|
| 310 | DO j = jfiltsv,jjm |
|---|
| 311 | DO k = 2,modemax |
|---|
| 312 | cof = rlamda(k) * COS( rlatv(j) ) |
|---|
| 313 | IF ( cof .LT. 1. ) GOTO 97 |
|---|
| 314 | ENDDO |
|---|
| 315 | GOTO 99 |
|---|
| 316 | 97 modfrstv( j ) = k |
|---|
| 317 | ! |
|---|
| 318 | kf = modfrstv( j ) |
|---|
| 319 | DO k = kf , modemax |
|---|
| 320 | cof = rlamda(k) * COS( rlatv(j) ) |
|---|
| 321 | coefilv(k,j) = cof - 1. |
|---|
| 322 | coefilv2(k,j) = cof*cof - 1. |
|---|
| 323 | ENDDO |
|---|
| 324 | 99 CONTINUE |
|---|
| 325 | ENDDO |
|---|
| 326 | ! |
|---|
| 327 | |
|---|
| 328 | IF(jfiltnv.GE.jjm/2 .OR. jfiltnu.GE.jjm/2)THEN |
|---|
| [1591] | 329 | ! Ehouarn: and what are these for??? Trying to handle a limit case |
|---|
| 330 | ! where filters extend to and meet at the equator? |
|---|
| [1086] | 331 | IF(jfiltnv.EQ.jfiltsv)jfiltsv=1+jfiltnv |
|---|
| 332 | IF(jfiltnu.EQ.jfiltsu)jfiltsu=1+jfiltnu |
|---|
| 333 | |
|---|
| 334 | PRINT *,'jfiltnv jfiltsv jfiltnu jfiltsu' , & |
|---|
| 335 | jfiltnv,jfiltsv,jfiltnu,jfiltsu |
|---|
| 336 | ENDIF |
|---|
| 337 | |
|---|
| 338 | PRINT *,' Modes premiers v ' |
|---|
| 339 | PRINT 334,modfrstv |
|---|
| 340 | PRINT *,' Modes premiers u ' |
|---|
| 341 | PRINT 334,modfrstu |
|---|
| 342 | |
|---|
| 343 | ! |
|---|
| 344 | ! ................................................................... |
|---|
| 345 | ! |
|---|
| 346 | ! ... Calcul de la matrice filtre 'matriceu' pour les champs situes |
|---|
| 347 | ! sur la grille scalaire ........ |
|---|
| 348 | ! ................................................................... |
|---|
| 349 | ! |
|---|
| 350 | DO j = 2, jfiltnu |
|---|
| 351 | |
|---|
| 352 | DO i=1,iim |
|---|
| 353 | coff = coefilu(i,j) |
|---|
| 354 | IF( i.LT.modfrstu(j) ) coff = 0. |
|---|
| 355 | DO k=1,iim |
|---|
| 356 | eignft(i,k) = eignfnv(k,i) * coff |
|---|
| 357 | ENDDO |
|---|
| [1591] | 358 | ENDDO ! of DO i=1,iim |
|---|
| [1086] | 359 | #ifdef CRAY |
|---|
| 360 | CALL MXM( eignfnv,iim,eignft,iim,matriceun(1,1,j),iim ) |
|---|
| 361 | #else |
|---|
| 362 | #ifdef BLAS |
|---|
| 363 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
|---|
| 364 | eignfnv, iim, eignft, iim, 0.0, matriceun(1,1,j), iim) |
|---|
| 365 | #else |
|---|
| 366 | DO k = 1, iim |
|---|
| 367 | DO i = 1, iim |
|---|
| 368 | matriceun(i,k,j) = 0.0 |
|---|
| 369 | DO ii = 1, iim |
|---|
| 370 | matriceun(i,k,j) = matriceun(i,k,j) & |
|---|
| 371 | + eignfnv(i,ii)*eignft(ii,k) |
|---|
| 372 | ENDDO |
|---|
| 373 | ENDDO |
|---|
| [1591] | 374 | ENDDO ! of DO k = 1, iim |
|---|
| [1086] | 375 | #endif |
|---|
| 376 | #endif |
|---|
| 377 | |
|---|
| [1591] | 378 | ENDDO ! of DO j = 2, jfiltnu |
|---|
| [1086] | 379 | |
|---|
| 380 | DO j = jfiltsu, jjm |
|---|
| 381 | |
|---|
| 382 | DO i=1,iim |
|---|
| 383 | coff = coefilu(i,j) |
|---|
| 384 | IF( i.LT.modfrstu(j) ) coff = 0. |
|---|
| 385 | DO k=1,iim |
|---|
| 386 | eignft(i,k) = eignfnv(k,i) * coff |
|---|
| 387 | ENDDO |
|---|
| [1591] | 388 | ENDDO ! of DO i=1,iim |
|---|
| [1086] | 389 | #ifdef CRAY |
|---|
| 390 | CALL MXM(eignfnv,iim,eignft,iim,matriceus(1,1,j-jfiltsu+1),iim) |
|---|
| 391 | #else |
|---|
| 392 | #ifdef BLAS |
|---|
| 393 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
|---|
| 394 | eignfnv, iim, eignft, iim, 0.0, & |
|---|
| 395 | matriceus(1,1,j-jfiltsu+1), iim) |
|---|
| 396 | #else |
|---|
| 397 | DO k = 1, iim |
|---|
| 398 | DO i = 1, iim |
|---|
| 399 | matriceus(i,k,j-jfiltsu+1) = 0.0 |
|---|
| 400 | DO ii = 1, iim |
|---|
| 401 | matriceus(i,k,j-jfiltsu+1) = matriceus(i,k,j-jfiltsu+1) & |
|---|
| 402 | + eignfnv(i,ii)*eignft(ii,k) |
|---|
| 403 | ENDDO |
|---|
| 404 | ENDDO |
|---|
| [1591] | 405 | ENDDO ! of DO k = 1, iim |
|---|
| [1086] | 406 | #endif |
|---|
| 407 | #endif |
|---|
| 408 | |
|---|
| [1591] | 409 | ENDDO ! of DO j = jfiltsu, jjm |
|---|
| [1086] | 410 | |
|---|
| 411 | ! ................................................................... |
|---|
| 412 | ! |
|---|
| 413 | ! ... Calcul de la matrice filtre 'matricev' pour les champs situes |
|---|
| 414 | ! sur la grille de V ou de Z ........ |
|---|
| 415 | ! ................................................................... |
|---|
| 416 | ! |
|---|
| 417 | DO j = 1, jfiltnv |
|---|
| 418 | |
|---|
| 419 | DO i = 1, iim |
|---|
| 420 | coff = coefilv(i,j) |
|---|
| 421 | IF( i.LT.modfrstv(j) ) coff = 0. |
|---|
| 422 | DO k = 1, iim |
|---|
| 423 | eignft(i,k) = eignfnu(k,i) * coff |
|---|
| 424 | ENDDO |
|---|
| 425 | ENDDO |
|---|
| 426 | #ifdef CRAY |
|---|
| 427 | CALL MXM( eignfnu,iim,eignft,iim,matricevn(1,1,j),iim ) |
|---|
| 428 | #else |
|---|
| 429 | #ifdef BLAS |
|---|
| 430 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
|---|
| 431 | eignfnu, iim, eignft, iim, 0.0, matricevn(1,1,j), iim) |
|---|
| 432 | #else |
|---|
| 433 | DO k = 1, iim |
|---|
| 434 | DO i = 1, iim |
|---|
| 435 | matricevn(i,k,j) = 0.0 |
|---|
| 436 | DO ii = 1, iim |
|---|
| 437 | matricevn(i,k,j) = matricevn(i,k,j) & |
|---|
| 438 | + eignfnu(i,ii)*eignft(ii,k) |
|---|
| 439 | ENDDO |
|---|
| 440 | ENDDO |
|---|
| 441 | ENDDO |
|---|
| 442 | #endif |
|---|
| 443 | #endif |
|---|
| 444 | |
|---|
| [1591] | 445 | ENDDO ! of DO j = 1, jfiltnv |
|---|
| [1086] | 446 | |
|---|
| 447 | DO j = jfiltsv, jjm |
|---|
| 448 | |
|---|
| 449 | DO i = 1, iim |
|---|
| 450 | coff = coefilv(i,j) |
|---|
| 451 | IF( i.LT.modfrstv(j) ) coff = 0. |
|---|
| 452 | DO k = 1, iim |
|---|
| 453 | eignft(i,k) = eignfnu(k,i) * coff |
|---|
| 454 | ENDDO |
|---|
| 455 | ENDDO |
|---|
| 456 | #ifdef CRAY |
|---|
| 457 | CALL MXM(eignfnu,iim,eignft,iim,matricevs(1,1,j-jfiltsv+1),iim) |
|---|
| 458 | #else |
|---|
| 459 | #ifdef BLAS |
|---|
| 460 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
|---|
| 461 | eignfnu, iim, eignft, iim, 0.0, & |
|---|
| 462 | matricevs(1,1,j-jfiltsv+1), iim) |
|---|
| 463 | #else |
|---|
| 464 | DO k = 1, iim |
|---|
| 465 | DO i = 1, iim |
|---|
| 466 | matricevs(i,k,j-jfiltsv+1) = 0.0 |
|---|
| 467 | DO ii = 1, iim |
|---|
| 468 | matricevs(i,k,j-jfiltsv+1) = matricevs(i,k,j-jfiltsv+1) & |
|---|
| 469 | + eignfnu(i,ii)*eignft(ii,k) |
|---|
| 470 | ENDDO |
|---|
| 471 | ENDDO |
|---|
| 472 | ENDDO |
|---|
| 473 | #endif |
|---|
| 474 | #endif |
|---|
| 475 | |
|---|
| [1591] | 476 | ENDDO ! of DO j = jfiltsv, jjm |
|---|
| [1086] | 477 | |
|---|
| 478 | ! ................................................................... |
|---|
| 479 | ! |
|---|
| 480 | ! ... Calcul de la matrice filtre 'matrinv' pour les champs situes |
|---|
| 481 | ! sur la grille scalaire , pour le filtre inverse ........ |
|---|
| 482 | ! ................................................................... |
|---|
| 483 | ! |
|---|
| 484 | DO j = 2, jfiltnu |
|---|
| 485 | |
|---|
| 486 | DO i = 1,iim |
|---|
| 487 | coff = coefilu(i,j)/ ( 1. + coefilu(i,j) ) |
|---|
| 488 | IF( i.LT.modfrstu(j) ) coff = 0. |
|---|
| 489 | DO k=1,iim |
|---|
| 490 | eignft(i,k) = eignfnv(k,i) * coff |
|---|
| 491 | ENDDO |
|---|
| 492 | ENDDO |
|---|
| 493 | #ifdef CRAY |
|---|
| 494 | CALL MXM( eignfnv,iim,eignft,iim,matrinvn(1,1,j),iim ) |
|---|
| 495 | #else |
|---|
| 496 | #ifdef BLAS |
|---|
| 497 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
|---|
| 498 | eignfnv, iim, eignft, iim, 0.0, matrinvn(1,1,j), iim) |
|---|
| 499 | #else |
|---|
| 500 | DO k = 1, iim |
|---|
| 501 | DO i = 1, iim |
|---|
| 502 | matrinvn(i,k,j) = 0.0 |
|---|
| 503 | DO ii = 1, iim |
|---|
| 504 | matrinvn(i,k,j) = matrinvn(i,k,j) & |
|---|
| 505 | + eignfnv(i,ii)*eignft(ii,k) |
|---|
| 506 | ENDDO |
|---|
| 507 | ENDDO |
|---|
| 508 | ENDDO |
|---|
| 509 | #endif |
|---|
| 510 | #endif |
|---|
| 511 | |
|---|
| [1591] | 512 | ENDDO ! of DO j = 2, jfiltnu |
|---|
| [1086] | 513 | |
|---|
| 514 | DO j = jfiltsu, jjm |
|---|
| 515 | |
|---|
| 516 | DO i = 1,iim |
|---|
| 517 | coff = coefilu(i,j) / ( 1. + coefilu(i,j) ) |
|---|
| 518 | IF( i.LT.modfrstu(j) ) coff = 0. |
|---|
| 519 | DO k=1,iim |
|---|
| 520 | eignft(i,k) = eignfnv(k,i) * coff |
|---|
| 521 | ENDDO |
|---|
| 522 | ENDDO |
|---|
| 523 | #ifdef CRAY |
|---|
| 524 | CALL MXM(eignfnv,iim,eignft,iim,matrinvs(1,1,j-jfiltsu+1),iim) |
|---|
| 525 | #else |
|---|
| 526 | #ifdef BLAS |
|---|
| 527 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
|---|
| 528 | eignfnv, iim, eignft, iim, 0.0, matrinvs(1,1,j-jfiltsu+1), iim) |
|---|
| 529 | #else |
|---|
| 530 | DO k = 1, iim |
|---|
| 531 | DO i = 1, iim |
|---|
| 532 | matrinvs(i,k,j-jfiltsu+1) = 0.0 |
|---|
| 533 | DO ii = 1, iim |
|---|
| 534 | matrinvs(i,k,j-jfiltsu+1) = matrinvs(i,k,j-jfiltsu+1) & |
|---|
| 535 | + eignfnv(i,ii)*eignft(ii,k) |
|---|
| 536 | ENDDO |
|---|
| 537 | ENDDO |
|---|
| 538 | ENDDO |
|---|
| 539 | #endif |
|---|
| 540 | #endif |
|---|
| 541 | |
|---|
| [1591] | 542 | ENDDO ! of DO j = jfiltsu, jjm |
|---|
| [1086] | 543 | |
|---|
| [1840] | 544 | #ifdef CPP_PARA |
|---|
| [1279] | 545 | IF (use_filtre_fft) THEN |
|---|
| 546 | CALL Init_filtre_fft(coefilu,modfrstu,jfiltnu,jfiltsu, & |
|---|
| 547 | coefilv,modfrstv,jfiltnv,jfiltsv) |
|---|
| [1685] | 548 | CALL Init_filtre_fft_loc(coefilu,modfrstu,jfiltnu,jfiltsu, & |
|---|
| 549 | coefilv,modfrstv,jfiltnv,jfiltsv) |
|---|
| [1279] | 550 | ENDIF |
|---|
| [1840] | 551 | #endif |
|---|
| [1086] | 552 | ! ................................................................... |
|---|
| 553 | |
|---|
| 554 | ! |
|---|
| 555 | 334 FORMAT(1x,24i3) |
|---|
| 556 | 755 FORMAT(1x,6f10.3,i3) |
|---|
| 557 | |
|---|
| 558 | RETURN |
|---|
| 559 | END SUBROUTINE inifilr |
|---|
| 560 | |
|---|
| [1108] | 561 | END MODULE filtreg_mod |
|---|
