| [524] | 1 | ! |
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| 2 | ! $Header$ |
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| 3 | ! |
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| 4 | SUBROUTINE inifilr |
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| 5 | c |
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| 6 | c ... H. Upadhyaya, O.Sharma ... |
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| 7 | c |
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| 8 | IMPLICIT NONE |
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| 9 | c |
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| 10 | c version 3 ..... |
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| 11 | |
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| 12 | c Correction le 28/10/97 P. Le Van . |
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| 13 | c ------------------------------------------------------------------- |
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| 14 | #include "dimensions.h" |
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| 15 | #include "paramet.h" |
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| 16 | #include "parafilt.h" |
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| 17 | c ------------------------------------------------------------------- |
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| 18 | #include "comgeom.h" |
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| 19 | #include "coefils.h" |
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| 20 | #include "logic.h" |
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| 21 | #include "serre.h" |
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| 22 | |
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| 23 | REAL dlonu(iim),dlatu(jjm) |
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| 24 | REAL rlamda( iim ), eignvl( iim ) |
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| 25 | c |
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| 26 | |
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| 27 | REAL lamdamax,pi,cof |
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| 28 | INTEGER i,j,modemax,imx,k,kf,ii |
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| 29 | REAL dymin,dxmin,colat0 |
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| 30 | REAL eignft(iim,iim), coff |
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| 31 | REAL matriceun,matriceus,matricevn,matricevs,matrinvn,matrinvs |
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| 32 | COMMON/matrfil/matriceun(iim,iim,nfilun),matriceus(iim,iim,nfilus) |
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| 33 | , , matricevn(iim,iim,nfilvn),matricevs(iim,iim,nfilvs) |
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| 34 | , , matrinvn(iim,iim,nfilun),matrinvs (iim,iim,nfilus) |
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| 35 | #ifdef CRAY |
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| 36 | INTEGER ISMIN |
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| 37 | EXTERNAL ISMIN |
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| 38 | INTEGER iymin |
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| 39 | INTEGER ixmineq |
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| 40 | #endif |
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| 41 | EXTERNAL inifgn |
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| 42 | c |
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| 43 | c ------------------------------------------------------------ |
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| 44 | c This routine computes the eigenfunctions of the laplacien |
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| 45 | c on the stretched grid, and the filtering coefficients |
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| 46 | c |
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| 47 | c We designate: |
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| 48 | c eignfn eigenfunctions of the discrete laplacien |
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| 49 | c eigenvl eigenvalues |
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| 50 | c jfiltn indexof the last scalar line filtered in NH |
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| 51 | c jfilts index of the first line filtered in SH |
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| 52 | c modfrst index of the mode from where modes are filtered |
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| 53 | c modemax maximum number of modes ( im ) |
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| 54 | c coefil filtering coefficients ( lamda_max*cos(rlat)/lamda ) |
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| 55 | c sdd SQRT( dx ) |
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| 56 | c |
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| 57 | c the modes are filtered from modfrst to modemax |
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| 58 | c |
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| 59 | c----------------------------------------------------------- |
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| 60 | c |
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| 61 | |
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| 62 | pi = 2. * ASIN( 1. ) |
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| 63 | |
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| 64 | DO i = 1,iim |
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| 65 | dlonu(i) = xprimu( i ) |
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| 66 | ENDDO |
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| 67 | c |
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| 68 | CALL inifgn(eignvl) |
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| 69 | c |
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| 70 | print *,' EIGNVL ' |
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| 71 | PRINT 250,eignvl |
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| 72 | 250 FORMAT( 1x,5e13.6) |
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| 73 | c |
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| 74 | c compute eigenvalues and eigenfunctions |
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| 75 | c |
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| 76 | c |
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| 77 | c................................................................. |
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| 78 | c |
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| 79 | c compute the filtering coefficients for scalar lines and |
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| 80 | c meridional wind v-lines |
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| 81 | c |
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| 82 | c we filter all those latitude lines where coefil < 1 |
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| 83 | c NO FILTERING AT POLES |
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| 84 | c |
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| 85 | c colat0 is to be used when alpha (stretching coefficient) |
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| 86 | c is set equal to zero for the regular grid case |
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| 87 | c |
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| 88 | c ....... Calcul de colat0 ......... |
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| 89 | c ..... colat0 = minimum de ( 0.5, min dy/ min dx ) ... |
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| 90 | c |
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| 91 | c |
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| 92 | DO 45 j = 1,jjm |
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| 93 | dlatu( j ) = rlatu( j ) - rlatu( j+1 ) |
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| 94 | 45 CONTINUE |
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| 95 | c |
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| 96 | #ifdef CRAY |
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| 97 | iymin = ISMIN( jjm, dlatu, 1 ) |
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| 98 | ixmineq = ISMIN( iim, dlonu, 1 ) |
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| 99 | dymin = dlatu( iymin ) |
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| 100 | dxmin = dlonu( ixmineq ) |
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| 101 | #else |
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| 102 | dxmin = dlonu(1) |
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| 103 | DO i = 2, iim |
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| 104 | dxmin = MIN( dxmin,dlonu(i) ) |
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| 105 | ENDDO |
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| 106 | dymin = dlatu(1) |
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| 107 | DO j = 2, jjm |
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| 108 | dymin = MIN( dymin,dlatu(j) ) |
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| 109 | ENDDO |
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| 110 | #endif |
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| 111 | c |
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| 112 | c |
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| 113 | colat0 = MIN( 0.5, dymin/dxmin ) |
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| 114 | c |
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| 115 | IF( .NOT.fxyhypb.AND.ysinus ) THEN |
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| 116 | colat0 = 0.6 |
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| 117 | c ...... a revoir pour ysinus ! ....... |
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| 118 | alphax = 0. |
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| 119 | ENDIF |
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| 120 | c |
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| 121 | PRINT 50, colat0,alphax |
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| 122 | 50 FORMAT(/15x,' Inifilr colat0 alphax ',2e16.7) |
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| 123 | c |
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| 124 | IF(alphax.EQ.1. ) THEN |
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| 125 | PRINT *,' Inifilr alphax doit etre < a 1. Corriger ' |
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| 126 | STOP |
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| 127 | ENDIF |
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| 128 | c |
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| 129 | lamdamax = iim / ( pi * colat0 * ( 1. - alphax ) ) |
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| 130 | |
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| 131 | cc ... Correction le 28/10/97 ( P.Le Van ) .. |
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| 132 | c |
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| 133 | DO 71 i = 2,iim |
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| 134 | rlamda( i ) = lamdamax/ SQRT( ABS( eignvl(i) ) ) |
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| 135 | 71 CONTINUE |
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| 136 | c |
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| 137 | |
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| 138 | DO 72 j = 1,jjm |
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| 139 | DO 73 i = 1,iim |
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| 140 | coefilu( i,j ) = 0.0 |
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| 141 | coefilv( i,j ) = 0.0 |
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| 142 | coefilu2( i,j ) = 0.0 |
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| 143 | coefilv2( i,j ) = 0.0 |
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| 144 | 73 CONTINUE |
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| 145 | 72 CONTINUE |
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| 146 | |
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| 147 | c |
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| 148 | c ... Determination de jfiltnu,jfiltnv,jfiltsu,jfiltsv .... |
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| 149 | c ......................................................... |
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| 150 | c |
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| 151 | modemax = iim |
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| 152 | |
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| 153 | cccc imx = modemax - 4 * (modemax/iim) |
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| 154 | |
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| 155 | imx = iim |
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| 156 | c |
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| 157 | PRINT *,' TRUNCATION AT ',imx |
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| 158 | c |
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| 159 | DO 75 j = 2, jjm/2+1 |
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| 160 | cof = COS( rlatu(j) )/ colat0 |
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| 161 | IF ( cof .LT. 1. ) THEN |
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| 162 | IF( rlamda(imx) * COS(rlatu(j) ).LT.1. ) jfiltnu= j |
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| 163 | ENDIF |
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| 164 | |
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| 165 | cof = COS( rlatu(jjp1-j+1) )/ colat0 |
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| 166 | IF ( cof .LT. 1. ) THEN |
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| 167 | IF( rlamda(imx) * COS(rlatu(jjp1-j+1) ).LT.1. ) |
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| 168 | $ jfiltsu= jjp1-j+1 |
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| 169 | ENDIF |
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| 170 | 75 CONTINUE |
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| 171 | c |
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| 172 | DO 76 j = 1, jjm/2 |
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| 173 | cof = COS( rlatv(j) )/ colat0 |
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| 174 | IF ( cof .LT. 1. ) THEN |
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| 175 | IF( rlamda(imx) * COS(rlatv(j) ).LT.1. ) jfiltnv= j |
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| 176 | ENDIF |
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| 177 | |
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| 178 | cof = COS( rlatv(jjm-j+1) )/ colat0 |
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| 179 | IF ( cof .LT. 1. ) THEN |
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| 180 | IF( rlamda(imx) * COS(rlatv(jjm-j+1) ).LT.1. ) |
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| 181 | $ jfiltsv= jjm-j+1 |
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| 182 | ENDIF |
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| 183 | 76 CONTINUE |
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| 184 | c |
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| 185 | |
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| 186 | if ( jfiltnu.LE.0 ) jfiltnu=1 |
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| 187 | IF( jfiltnu.GT. jjm/2 +1 ) THEN |
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| 188 | PRINT *,' jfiltnu en dehors des valeurs acceptables ' ,jfiltnu |
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| 189 | STOP |
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| 190 | ENDIF |
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| 191 | |
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| 192 | IF( jfiltsu.LE.0) jfiltsu=1 |
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| 193 | IF( jfiltsu.GT. jjm +1 ) THEN |
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| 194 | PRINT *,' jfiltsu en dehors des valeurs acceptables ' ,jfiltsu |
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| 195 | STOP |
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| 196 | ENDIF |
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| 197 | |
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| 198 | IF( jfiltnv.LE.0) jfiltnv=1 |
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| 199 | IF( jfiltnv.GT. jjm/2 ) THEN |
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| 200 | PRINT *,' jfiltnv en dehors des valeurs acceptables ' ,jfiltnv |
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| 201 | STOP |
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| 202 | ENDIF |
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| 203 | |
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| 204 | IF( jfiltsv.LE.0) jfiltsv=1 |
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| 205 | IF( jfiltsv.GT. jjm ) THEN |
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| 206 | PRINT *,' jfiltsv en dehors des valeurs acceptables ' ,jfiltsv |
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| 207 | STOP |
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| 208 | ENDIF |
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| 209 | |
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| 210 | PRINT *,' jfiltnv jfiltsv jfiltnu jfiltsu ' , |
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| 211 | * jfiltnv,jfiltsv,jfiltnu,jfiltsu |
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| 212 | |
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| 213 | c |
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| 214 | c ... Determination de coefilu,coefilv,n=modfrstu,modfrstv .... |
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| 215 | c................................................................ |
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| 216 | c |
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| 217 | c |
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| 218 | DO 77 j = 1,jjm |
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| 219 | modfrstu( j ) = iim |
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| 220 | modfrstv( j ) = iim |
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| 221 | 77 CONTINUE |
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| 222 | c |
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| 223 | DO 84 j = 2,jfiltnu |
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| 224 | DO 81 k = 2,modemax |
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| 225 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 226 | IF ( cof .LT. 1. ) GOTO 82 |
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| 227 | 81 CONTINUE |
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| 228 | GOTO 84 |
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| 229 | 82 modfrstu( j ) = k |
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| 230 | c |
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| 231 | kf = modfrstu( j ) |
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| 232 | DO 83 k = kf , modemax |
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| 233 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 234 | coefilu(k,j) = cof - 1. |
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| 235 | coefilu2(k,j) = cof*cof - 1. |
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| 236 | 83 CONTINUE |
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| 237 | 84 CONTINUE |
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| 238 | c |
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| 239 | c |
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| 240 | DO 89 j = 1,jfiltnv |
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| 241 | c |
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| 242 | DO 86 k = 2,modemax |
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| 243 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 244 | IF ( cof .LT. 1. ) GOTO 87 |
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| 245 | 86 CONTINUE |
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| 246 | GOTO 89 |
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| 247 | 87 modfrstv( j ) = k |
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| 248 | c |
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| 249 | kf = modfrstv( j ) |
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| 250 | DO 88 k = kf , modemax |
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| 251 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 252 | coefilv(k,j) = cof - 1. |
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| 253 | coefilv2(k,j) = cof*cof - 1. |
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| 254 | 88 CONTINUE |
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| 255 | c |
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| 256 | 89 CONTINUE |
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| 257 | c |
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| 258 | DO 94 j = jfiltsu,jjm |
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| 259 | DO 91 k = 2,modemax |
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| 260 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 261 | IF ( cof .LT. 1. ) GOTO 92 |
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| 262 | 91 CONTINUE |
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| 263 | GOTO 94 |
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| 264 | 92 modfrstu( j ) = k |
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| 265 | c |
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| 266 | kf = modfrstu( j ) |
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| 267 | DO 93 k = kf , modemax |
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| 268 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 269 | coefilu(k,j) = cof - 1. |
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| 270 | coefilu2(k,j) = cof*cof - 1. |
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| 271 | 93 CONTINUE |
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| 272 | 94 CONTINUE |
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| 273 | c |
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| 274 | DO 99 j = jfiltsv,jjm |
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| 275 | DO 96 k = 2,modemax |
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| 276 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 277 | IF ( cof .LT. 1. ) GOTO 97 |
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| 278 | 96 CONTINUE |
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| 279 | GOTO 99 |
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| 280 | 97 modfrstv( j ) = k |
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| 281 | c |
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| 282 | kf = modfrstv( j ) |
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| 283 | DO 98 k = kf , modemax |
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| 284 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 285 | coefilv(k,j) = cof - 1. |
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| 286 | coefilv2(k,j) = cof*cof - 1. |
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| 287 | 98 CONTINUE |
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| 288 | 99 CONTINUE |
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| 289 | c |
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| 290 | |
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| 291 | IF(jfiltnv.GE.jjm/2 .OR. jfiltnu.GE.jjm/2)THEN |
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| 292 | |
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| 293 | IF(jfiltnv.EQ.jfiltsv)jfiltsv=1+jfiltnv |
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| 294 | IF(jfiltnu.EQ.jfiltsu)jfiltsu=1+jfiltnu |
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| 295 | |
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| 296 | PRINT *,'jfiltnv jfiltsv jfiltnu jfiltsu' , |
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| 297 | * jfiltnv,jfiltsv,jfiltnu,jfiltsu |
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| 298 | ENDIF |
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| 299 | |
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| 300 | PRINT *,' Modes premiers v ' |
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| 301 | PRINT 334,modfrstv |
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| 302 | PRINT *,' Modes premiers u ' |
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| 303 | PRINT 334,modfrstu |
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| 304 | |
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| 305 | |
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| 306 | IF( nfilun.LT. jfiltnu ) THEN |
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| 307 | PRINT *,' le parametre nfilun utilise pour la matrice ', |
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| 308 | * ' matriceun est trop petit ! ' |
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| 309 | PRINT *,'Le changer dans parafilt.h et le mettre a ',jfiltnu |
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| 310 | PRINT *,' Pour information, nfilun,nfilus,nfilvn,nfilvs ' |
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| 311 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 312 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 313 | STOP |
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| 314 | ENDIF |
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| 315 | IF( nfilun.GT. jfiltnu+ 2 ) THEN |
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| 316 | PRINT *,' le parametre nfilun utilise pour la matrice ', |
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| 317 | *' matriceun est trop grand ! Gachis de memoire ! ' |
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| 318 | PRINT *,'Le changer dans parafilt.h et le mettre a ',jfiltnu |
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| 319 | PRINT *,' Pour information, nfilun,nfilus,nfilvn,nfilvs ' |
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| 320 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 321 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 322 | c STOP |
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| 323 | ENDIF |
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| 324 | IF( nfilus.LT. jjm - jfiltsu +1 ) THEN |
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| 325 | PRINT *,' le parametre nfilus utilise pour la matrice ', |
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| 326 | * ' matriceus est trop petit ! ' |
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| 327 | PRINT *,' Le changer dans parafilt.h et le mettre a ', |
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| 328 | * jjm - jfiltsu + 1 |
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| 329 | PRINT *,' Pour information , nfilun,nfilus,nfilvn,nfilvs ' |
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| 330 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 331 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 332 | STOP |
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| 333 | ENDIF |
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| 334 | IF( nfilus.GT. jjm - jfiltsu + 3 ) THEN |
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| 335 | PRINT *,' le parametre nfilus utilise pour la matrice ', |
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| 336 | * ' matriceus est trop grand ! ' |
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| 337 | PRINT *,' Le changer dans parafilt.h et le mettre a ' , |
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| 338 | * jjm - jfiltsu + 1 |
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| 339 | PRINT *,' Pour information , nfilun,nfilus,nfilvn,nfilvs ' |
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| 340 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 341 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 342 | c STOP |
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| 343 | ENDIF |
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| 344 | IF( nfilvn.LT. jfiltnv ) THEN |
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| 345 | PRINT *,' le parametre nfilvn utilise pour la matrice ', |
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| 346 | * ' matricevn est trop petit ! ' |
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| 347 | PRINT *,'Le changer dans parafilt.h et le mettre a ',jfiltnv |
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| 348 | PRINT *,' Pour information , nfilun,nfilus,nfilvn,nfilvs ' |
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| 349 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 350 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 351 | STOP |
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| 352 | ENDIF |
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| 353 | IF( nfilvn.GT. jfiltnv+ 2 ) THEN |
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| 354 | PRINT *,' le parametre nfilvn utilise pour la matrice ', |
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| 355 | *' matricevn est trop grand ! Gachis de memoire ! ' |
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| 356 | PRINT *,'Le changer dans parafilt.h et le mettre a ',jfiltnv |
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| 357 | PRINT *,' Pour information , nfilun,nfilus,nfilvn,nfilvs ' |
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| 358 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 359 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 360 | c STOP |
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| 361 | ENDIF |
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| 362 | IF( nfilvs.LT. jjm - jfiltsv +1 ) THEN |
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| 363 | PRINT *,' le parametre nfilvs utilise pour la matrice ', |
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| 364 | * ' matricevs est trop petit ! Le changer dans parafilt.h ' |
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| 365 | PRINT *,' Le changer dans parafilt.h et le mettre a ' |
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| 366 | * , jjm - jfiltsv + 1 |
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| 367 | PRINT *,' Pour information , nfilun,nfilus,nfilvn,nfilvs ' |
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| 368 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 369 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 370 | STOP |
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| 371 | ENDIF |
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| 372 | IF( nfilvs.GT. jjm - jfiltsv + 3 ) THEN |
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| 373 | PRINT *,' le parametre nfilvs utilise pour la matrice ', |
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| 374 | * ' matricevs est trop grand ! Gachis de memoire ! ' |
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| 375 | PRINT *,' Le changer dans parafilt.h et le mettre a ' |
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| 376 | * , jjm - jfiltsv + 1 |
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| 377 | PRINT *,' Pour information , nfilun,nfilus,nfilvn,nfilvs ' |
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| 378 | * ,'doivent etre egaux successivement a ',jfiltnu,jjm-jfiltsu+1 |
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| 379 | * ,jfiltnv,jjm-jfiltsv+1 |
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| 380 | c STOP |
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| 381 | ENDIF |
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| 382 | |
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| 383 | c |
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| 384 | c ................................................................... |
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| 385 | c |
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| 386 | c ... Calcul de la matrice filtre 'matriceu' pour les champs situes |
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| 387 | c sur la grille scalaire ........ |
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| 388 | c ................................................................... |
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| 389 | c |
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| 390 | DO j = 2, jfiltnu |
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| 391 | |
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| 392 | DO i=1,iim |
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| 393 | coff = coefilu(i,j) |
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| 394 | IF( i.LT.modfrstu(j) ) coff = 0. |
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| 395 | DO k=1,iim |
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| 396 | eignft(i,k) = eignfnv(k,i) * coff |
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| 397 | ENDDO |
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| 398 | ENDDO |
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| 399 | #ifdef CRAY |
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| 400 | CALL MXM( eignfnv,iim,eignft,iim,matriceun(1,1,j),iim ) |
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| 401 | #else |
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| 402 | #ifdef BLAS |
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| 403 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, |
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| 404 | $ eignfnv, iim, eignft, iim, 0.0, matriceun(1,1,j), iim) |
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| 405 | #else |
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| 406 | DO k = 1, iim |
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| 407 | DO i = 1, iim |
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| 408 | matriceun(i,k,j) = 0.0 |
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| 409 | DO ii = 1, iim |
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| 410 | matriceun(i,k,j) = matriceun(i,k,j) |
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| 411 | . + eignfnv(i,ii)*eignft(ii,k) |
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| 412 | ENDDO |
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| 413 | ENDDO |
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| 414 | ENDDO |
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| 415 | #endif |
|---|
| 416 | #endif |
|---|
| 417 | |
|---|
| 418 | ENDDO |
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| 419 | |
|---|
| 420 | DO j = jfiltsu, jjm |
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| 421 | |
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| 422 | DO i=1,iim |
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| 423 | coff = coefilu(i,j) |
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| 424 | IF( i.LT.modfrstu(j) ) coff = 0. |
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| 425 | DO k=1,iim |
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| 426 | eignft(i,k) = eignfnv(k,i) * coff |
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| 427 | ENDDO |
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| 428 | ENDDO |
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| 429 | #ifdef CRAY |
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| 430 | CALL MXM(eignfnv,iim,eignft,iim,matriceus(1,1,j-jfiltsu+1),iim) |
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| 431 | #else |
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| 432 | #ifdef BLAS |
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| 433 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, |
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| 434 | $ eignfnv, iim, eignft, iim, 0.0, |
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| 435 | $ matriceus(1,1,j-jfiltsu+1), iim) |
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| 436 | #else |
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| 437 | DO k = 1, iim |
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| 438 | DO i = 1, iim |
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| 439 | matriceus(i,k,j-jfiltsu+1) = 0.0 |
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| 440 | DO ii = 1, iim |
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| 441 | matriceus(i,k,j-jfiltsu+1) = matriceus(i,k,j-jfiltsu+1) |
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| 442 | . + eignfnv(i,ii)*eignft(ii,k) |
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| 443 | ENDDO |
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| 444 | ENDDO |
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| 445 | ENDDO |
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| 446 | #endif |
|---|
| 447 | #endif |
|---|
| 448 | |
|---|
| 449 | ENDDO |
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| 450 | |
|---|
| 451 | c ................................................................... |
|---|
| 452 | c |
|---|
| 453 | c ... Calcul de la matrice filtre 'matricev' pour les champs situes |
|---|
| 454 | c sur la grille de V ou de Z ........ |
|---|
| 455 | c ................................................................... |
|---|
| 456 | c |
|---|
| 457 | DO j = 1, jfiltnv |
|---|
| 458 | |
|---|
| 459 | DO i = 1, iim |
|---|
| 460 | coff = coefilv(i,j) |
|---|
| 461 | IF( i.LT.modfrstv(j) ) coff = 0. |
|---|
| 462 | DO k = 1, iim |
|---|
| 463 | eignft(i,k) = eignfnu(k,i) * coff |
|---|
| 464 | ENDDO |
|---|
| 465 | ENDDO |
|---|
| 466 | #ifdef CRAY |
|---|
| 467 | CALL MXM( eignfnu,iim,eignft,iim,matricevn(1,1,j),iim ) |
|---|
| 468 | #else |
|---|
| 469 | #ifdef BLAS |
|---|
| 470 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, |
|---|
| 471 | $ eignfnu, iim, eignft, iim, 0.0, matricevn(1,1,j), iim) |
|---|
| 472 | #else |
|---|
| 473 | DO k = 1, iim |
|---|
| 474 | DO i = 1, iim |
|---|
| 475 | matricevn(i,k,j) = 0.0 |
|---|
| 476 | DO ii = 1, iim |
|---|
| 477 | matricevn(i,k,j) = matricevn(i,k,j) |
|---|
| 478 | . + eignfnu(i,ii)*eignft(ii,k) |
|---|
| 479 | ENDDO |
|---|
| 480 | ENDDO |
|---|
| 481 | ENDDO |
|---|
| 482 | #endif |
|---|
| 483 | #endif |
|---|
| 484 | |
|---|
| 485 | ENDDO |
|---|
| 486 | |
|---|
| 487 | DO j = jfiltsv, jjm |
|---|
| 488 | |
|---|
| 489 | DO i = 1, iim |
|---|
| 490 | coff = coefilv(i,j) |
|---|
| 491 | IF( i.LT.modfrstv(j) ) coff = 0. |
|---|
| 492 | DO k = 1, iim |
|---|
| 493 | eignft(i,k) = eignfnu(k,i) * coff |
|---|
| 494 | ENDDO |
|---|
| 495 | ENDDO |
|---|
| 496 | #ifdef CRAY |
|---|
| 497 | CALL MXM(eignfnu,iim,eignft,iim,matricevs(1,1,j-jfiltsv+1),iim) |
|---|
| 498 | #else |
|---|
| 499 | #ifdef BLAS |
|---|
| 500 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, |
|---|
| 501 | $ eignfnu, iim, eignft, iim, 0.0, |
|---|
| 502 | $ matricevs(1,1,j-jfiltsv+1), iim) |
|---|
| 503 | #else |
|---|
| 504 | DO k = 1, iim |
|---|
| 505 | DO i = 1, iim |
|---|
| 506 | matricevs(i,k,j-jfiltsv+1) = 0.0 |
|---|
| 507 | DO ii = 1, iim |
|---|
| 508 | matricevs(i,k,j-jfiltsv+1) = matricevs(i,k,j-jfiltsv+1) |
|---|
| 509 | . + eignfnu(i,ii)*eignft(ii,k) |
|---|
| 510 | ENDDO |
|---|
| 511 | ENDDO |
|---|
| 512 | ENDDO |
|---|
| 513 | #endif |
|---|
| 514 | #endif |
|---|
| 515 | |
|---|
| 516 | ENDDO |
|---|
| 517 | |
|---|
| 518 | c ................................................................... |
|---|
| 519 | c |
|---|
| 520 | c ... Calcul de la matrice filtre 'matrinv' pour les champs situes |
|---|
| 521 | c sur la grille scalaire , pour le filtre inverse ........ |
|---|
| 522 | c ................................................................... |
|---|
| 523 | c |
|---|
| 524 | DO j = 2, jfiltnu |
|---|
| 525 | |
|---|
| 526 | DO i = 1,iim |
|---|
| 527 | coff = coefilu(i,j)/ ( 1. + coefilu(i,j) ) |
|---|
| 528 | IF( i.LT.modfrstu(j) ) coff = 0. |
|---|
| 529 | DO k=1,iim |
|---|
| 530 | eignft(i,k) = eignfnv(k,i) * coff |
|---|
| 531 | ENDDO |
|---|
| 532 | ENDDO |
|---|
| 533 | #ifdef CRAY |
|---|
| 534 | CALL MXM( eignfnv,iim,eignft,iim,matrinvn(1,1,j),iim ) |
|---|
| 535 | #else |
|---|
| 536 | #ifdef BLAS |
|---|
| 537 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, |
|---|
| 538 | $ eignfnv, iim, eignft, iim, 0.0, matrinvn(1,1,j), iim) |
|---|
| 539 | #else |
|---|
| 540 | DO k = 1, iim |
|---|
| 541 | DO i = 1, iim |
|---|
| 542 | matrinvn(i,k,j) = 0.0 |
|---|
| 543 | DO ii = 1, iim |
|---|
| 544 | matrinvn(i,k,j) = matrinvn(i,k,j) |
|---|
| 545 | . + eignfnv(i,ii)*eignft(ii,k) |
|---|
| 546 | ENDDO |
|---|
| 547 | ENDDO |
|---|
| 548 | ENDDO |
|---|
| 549 | #endif |
|---|
| 550 | #endif |
|---|
| 551 | |
|---|
| 552 | ENDDO |
|---|
| 553 | |
|---|
| 554 | DO j = jfiltsu, jjm |
|---|
| 555 | |
|---|
| 556 | DO i = 1,iim |
|---|
| 557 | coff = coefilu(i,j) / ( 1. + coefilu(i,j) ) |
|---|
| 558 | IF( i.LT.modfrstu(j) ) coff = 0. |
|---|
| 559 | DO k=1,iim |
|---|
| 560 | eignft(i,k) = eignfnv(k,i) * coff |
|---|
| 561 | ENDDO |
|---|
| 562 | ENDDO |
|---|
| 563 | #ifdef CRAY |
|---|
| 564 | CALL MXM(eignfnv,iim,eignft,iim,matrinvs(1,1,j-jfiltsu+1),iim) |
|---|
| 565 | #else |
|---|
| 566 | #ifdef BLAS |
|---|
| 567 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, |
|---|
| 568 | $ eignfnv, iim, eignft, iim, 0.0, matrinvs(1,1,j-jfiltsu+1), iim) |
|---|
| 569 | #else |
|---|
| 570 | DO k = 1, iim |
|---|
| 571 | DO i = 1, iim |
|---|
| 572 | matrinvs(i,k,j-jfiltsu+1) = 0.0 |
|---|
| 573 | DO ii = 1, iim |
|---|
| 574 | matrinvs(i,k,j-jfiltsu+1) = matrinvs(i,k,j-jfiltsu+1) |
|---|
| 575 | . + eignfnv(i,ii)*eignft(ii,k) |
|---|
| 576 | ENDDO |
|---|
| 577 | ENDDO |
|---|
| 578 | ENDDO |
|---|
| 579 | #endif |
|---|
| 580 | #endif |
|---|
| 581 | |
|---|
| 582 | ENDDO |
|---|
| 583 | |
|---|
| 584 | c ................................................................... |
|---|
| 585 | |
|---|
| 586 | c |
|---|
| 587 | 334 FORMAT(1x,24i3) |
|---|
| 588 | 755 FORMAT(1x,6f10.3,i3) |
|---|
| 589 | |
|---|
| 590 | RETURN |
|---|
| 591 | END |
|---|
