| [1591] | 1 | ! |
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| [1685] | 2 | ! $Id$ |
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| [1591] | 3 | ! |
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| [1108] | 4 | MODULE filtreg_mod |
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| [1086] | 5 | |
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| 6 | REAL, DIMENSION(:,:,:), ALLOCATABLE :: matriceun,matriceus,matricevn |
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| 7 | REAL, DIMENSION(:,:,:), ALLOCATABLE :: matricevs,matrinvn,matrinvs |
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| 8 | |
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| 9 | CONTAINS |
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| 10 | |
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| 11 | SUBROUTINE inifilr |
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| [1840] | 12 | #ifdef CPP_PARA |
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| [1685] | 13 | USE mod_filtre_fft, ONLY : use_filtre_fft,Init_filtre_fft |
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| 14 | USE mod_filtre_fft_loc, ONLY : Init_filtre_fft_loc=>Init_filtre_fft ! |
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| [1840] | 15 | #endif |
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| [5281] | 16 | USE comgeom_mod_h |
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| [5297] | 17 | USE serre_mod, ONLY: alphax |
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| [2603] | 18 | USE logic_mod, ONLY: fxyhypb, ysinus |
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| [4519] | 19 | USE comconst_mod, ONLY: maxlatfilter |
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| 20 | |
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| [5297] | 21 | ! ... H. Upadhyaya, O.Sharma ... |
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| 22 | ! |
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| 23 | USE dimensions_mod, ONLY: iim, jjm, llm, ndm |
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| 24 | USE paramet_mod_h |
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| 25 | USE coefils_mod_h |
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| [5271] | 26 | IMPLICIT NONE |
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| [1086] | 27 | ! |
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| 28 | ! version 3 ..... |
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| 29 | |
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| 30 | ! Correction le 28/10/97 P. Le Van . |
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| [5271] | 31 | |
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| [5272] | 32 | |
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| [1086] | 33 | REAL dlonu(iim),dlatu(jjm) |
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| 34 | REAL rlamda( iim ), eignvl( iim ) |
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| 35 | ! |
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| 36 | |
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| 37 | REAL lamdamax,pi,cof |
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| 38 | INTEGER i,j,modemax,imx,k,kf,ii |
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| 39 | REAL dymin,dxmin,colat0 |
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| 40 | REAL eignft(iim,iim), coff |
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| 41 | |
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| 42 | LOGICAL, SAVE :: first_call_inifilr = .TRUE. |
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| 43 | |
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| 44 | #ifdef CRAY |
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| 45 | INTEGER ISMIN |
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| 46 | EXTERNAL ISMIN |
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| 47 | INTEGER iymin |
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| 48 | INTEGER ixmineq |
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| 49 | #endif |
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| 50 | ! |
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| 51 | ! ------------------------------------------------------------ |
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| 52 | ! This routine computes the eigenfunctions of the laplacien |
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| 53 | ! on the stretched grid, and the filtering coefficients |
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| 54 | ! |
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| 55 | ! We designate: |
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| 56 | ! eignfn eigenfunctions of the discrete laplacien |
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| 57 | ! eigenvl eigenvalues |
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| 58 | ! jfiltn indexof the last scalar line filtered in NH |
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| 59 | ! jfilts index of the first line filtered in SH |
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| 60 | ! modfrst index of the mode from WHERE modes are filtered |
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| 61 | ! modemax maximum number of modes ( im ) |
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| 62 | ! coefil filtering coefficients ( lamda_max*COS(rlat)/lamda ) |
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| 63 | ! sdd SQRT( dx ) |
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| 64 | ! |
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| 65 | ! the modes are filtered from modfrst to modemax |
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| 66 | ! |
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| 67 | !----------------------------------------------------------- |
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| 68 | ! |
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| [4440] | 69 | if ( iim == 1 ) return ! No filtre in 2D y-z |
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| [1086] | 70 | |
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| 71 | pi = 2. * ASIN( 1. ) |
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| 72 | |
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| 73 | DO i = 1,iim |
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| 74 | dlonu(i) = xprimu( i ) |
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| 75 | ENDDO |
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| 76 | ! |
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| 77 | CALL inifgn(eignvl) |
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| 78 | ! |
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| [1591] | 79 | PRINT *,'inifilr: EIGNVL ' |
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| [1086] | 80 | PRINT 250,eignvl |
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| [1591] | 81 | 250 FORMAT( 1x,5e14.6) |
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| [1086] | 82 | ! |
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| 83 | ! compute eigenvalues and eigenfunctions |
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| 84 | ! |
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| 85 | ! |
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| 86 | !................................................................. |
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| 87 | ! |
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| 88 | ! compute the filtering coefficients for scalar lines and |
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| 89 | ! meridional wind v-lines |
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| 90 | ! |
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| 91 | ! we filter all those latitude lines WHERE coefil < 1 |
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| 92 | ! NO FILTERING AT POLES |
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| 93 | ! |
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| 94 | ! colat0 is to be used when alpha (stretching coefficient) |
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| 95 | ! is set equal to zero for the regular grid CASE |
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| 96 | ! |
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| 97 | ! ....... Calcul de colat0 ......... |
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| 98 | ! ..... colat0 = minimum de ( 0.5, min dy/ min dx ) ... |
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| 99 | ! |
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| 100 | ! |
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| 101 | DO j = 1,jjm |
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| 102 | dlatu( j ) = rlatu( j ) - rlatu( j+1 ) |
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| 103 | ENDDO |
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| 104 | ! |
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| 105 | #ifdef CRAY |
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| 106 | iymin = ISMIN( jjm, dlatu, 1 ) |
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| 107 | ixmineq = ISMIN( iim, dlonu, 1 ) |
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| 108 | dymin = dlatu( iymin ) |
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| 109 | dxmin = dlonu( ixmineq ) |
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| 110 | #else |
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| 111 | dxmin = dlonu(1) |
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| 112 | DO i = 2, iim |
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| 113 | dxmin = MIN( dxmin,dlonu(i) ) |
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| 114 | ENDDO |
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| 115 | dymin = dlatu(1) |
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| 116 | DO j = 2, jjm |
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| 117 | dymin = MIN( dymin,dlatu(j) ) |
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| 118 | ENDDO |
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| 119 | #endif |
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| 120 | ! |
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| [1591] | 121 | ! For a regular grid, we want the filter to start at latitudes |
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| 122 | ! corresponding to lengths dx of the same size as dy (in terms |
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| 123 | ! of angles: dx=2*dy) => at colat0=0.5 (i.e. colatitude=30 degrees |
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| 124 | ! <=> latitude=60 degrees). |
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| 125 | ! Same idea for the zoomed grid: start filtering polewards as soon |
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| 126 | ! as length dx becomes of the same size as dy |
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| [1086] | 127 | ! |
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| [4519] | 128 | ! if maxlatfilter >0, prescribe the colat0 value from the .def files |
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| 129 | |
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| 130 | IF (maxlatfilter .LT. 0.) THEN |
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| 131 | |
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| [1086] | 132 | colat0 = MIN( 0.5, dymin/dxmin ) |
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| [4440] | 133 | ! colat0 = 1. |
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| [1086] | 134 | ! |
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| 135 | IF( .NOT.fxyhypb.AND.ysinus ) THEN |
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| 136 | colat0 = 0.6 |
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| 137 | ! ...... a revoir pour ysinus ! ....... |
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| 138 | alphax = 0. |
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| 139 | ENDIF |
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| [4519] | 140 | |
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| 141 | ELSE |
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| 142 | |
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| 143 | colat0=(90.0-maxlatfilter)/180.0*pi |
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| 144 | |
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| 145 | ENDIF |
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| 146 | |
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| 147 | |
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| 148 | |
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| [1086] | 149 | ! |
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| 150 | PRINT 50, colat0,alphax |
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| 151 | 50 FORMAT(/15x,' Inifilr colat0 alphax ',2e16.7) |
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| 152 | ! |
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| 153 | IF(alphax.EQ.1. ) THEN |
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| 154 | PRINT *,' Inifilr alphax doit etre < a 1. Corriger ' |
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| 155 | STOP |
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| 156 | ENDIF |
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| 157 | ! |
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| 158 | lamdamax = iim / ( pi * colat0 * ( 1. - alphax ) ) |
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| 159 | |
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| 160 | ! ... Correction le 28/10/97 ( P.Le Van ) .. |
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| 161 | ! |
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| 162 | DO i = 2,iim |
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| 163 | rlamda( i ) = lamdamax/ SQRT( ABS( eignvl(i) ) ) |
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| 164 | ENDDO |
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| 165 | ! |
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| 166 | |
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| 167 | DO j = 1,jjm |
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| 168 | DO i = 1,iim |
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| 169 | coefilu( i,j ) = 0.0 |
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| 170 | coefilv( i,j ) = 0.0 |
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| 171 | coefilu2( i,j ) = 0.0 |
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| 172 | coefilv2( i,j ) = 0.0 |
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| 173 | ENDDO |
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| 174 | ENDDO |
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| 175 | |
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| 176 | ! |
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| 177 | ! ... Determination de jfiltnu,jfiltnv,jfiltsu,jfiltsv .... |
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| 178 | ! ......................................................... |
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| 179 | ! |
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| 180 | modemax = iim |
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| 181 | |
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| 182 | !!!! imx = modemax - 4 * (modemax/iim) |
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| 183 | |
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| 184 | imx = iim |
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| 185 | ! |
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| [1591] | 186 | PRINT *,'inifilr: TRUNCATION AT ',imx |
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| [1086] | 187 | ! |
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| [1591] | 188 | ! Ehouarn: set up some defaults |
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| 189 | jfiltnu=2 ! avoid north pole |
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| 190 | jfiltsu=jjm ! avoid south pole (which is at jjm+1) |
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| 191 | jfiltnv=1 ! NB: no poles on the V grid |
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| 192 | jfiltsv=jjm |
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| 193 | |
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| [1086] | 194 | DO j = 2, jjm/2+1 |
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| 195 | cof = COS( rlatu(j) )/ colat0 |
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| 196 | IF ( cof .LT. 1. ) THEN |
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| [1591] | 197 | IF( rlamda(imx) * COS(rlatu(j) ).LT.1. ) THEN |
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| 198 | jfiltnu= j |
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| 199 | ENDIF |
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| [1086] | 200 | ENDIF |
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| 201 | |
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| 202 | cof = COS( rlatu(jjp1-j+1) )/ colat0 |
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| 203 | IF ( cof .LT. 1. ) THEN |
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| [1591] | 204 | IF( rlamda(imx) * COS(rlatu(jjp1-j+1) ).LT.1. ) THEN |
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| [1086] | 205 | jfiltsu= jjp1-j+1 |
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| [1591] | 206 | ENDIF |
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| [1086] | 207 | ENDIF |
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| 208 | ENDDO |
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| 209 | ! |
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| 210 | DO j = 1, jjm/2 |
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| 211 | cof = COS( rlatv(j) )/ colat0 |
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| 212 | IF ( cof .LT. 1. ) THEN |
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| [1591] | 213 | IF( rlamda(imx) * COS(rlatv(j) ).LT.1. ) THEN |
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| 214 | jfiltnv= j |
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| 215 | ENDIF |
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| [1086] | 216 | ENDIF |
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| 217 | |
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| 218 | cof = COS( rlatv(jjm-j+1) )/ colat0 |
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| 219 | IF ( cof .LT. 1. ) THEN |
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| [1591] | 220 | IF( rlamda(imx) * COS(rlatv(jjm-j+1) ).LT.1. ) THEN |
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| [1086] | 221 | jfiltsv= jjm-j+1 |
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| [1591] | 222 | ENDIF |
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| [1086] | 223 | ENDIF |
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| 224 | ENDDO |
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| 225 | ! |
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| 226 | |
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| 227 | IF( jfiltnu.GT. jjm/2 +1 ) THEN |
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| 228 | PRINT *,' jfiltnu en dehors des valeurs acceptables ' ,jfiltnu |
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| 229 | STOP |
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| 230 | ENDIF |
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| 231 | |
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| 232 | IF( jfiltsu.GT. jjm +1 ) THEN |
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| 233 | PRINT *,' jfiltsu en dehors des valeurs acceptables ' ,jfiltsu |
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| 234 | STOP |
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| 235 | ENDIF |
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| 236 | |
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| 237 | IF( jfiltnv.GT. jjm/2 ) THEN |
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| 238 | PRINT *,' jfiltnv en dehors des valeurs acceptables ' ,jfiltnv |
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| 239 | STOP |
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| 240 | ENDIF |
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| 241 | |
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| 242 | IF( jfiltsv.GT. jjm ) THEN |
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| 243 | PRINT *,' jfiltsv en dehors des valeurs acceptables ' ,jfiltsv |
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| 244 | STOP |
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| 245 | ENDIF |
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| 246 | |
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| [1591] | 247 | PRINT *,'inifilr: jfiltnv jfiltsv jfiltnu jfiltsu ' , & |
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| [1086] | 248 | jfiltnv,jfiltsv,jfiltnu,jfiltsu |
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| 249 | |
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| 250 | IF(first_call_inifilr) THEN |
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| 251 | ALLOCATE(matriceun(iim,iim,jfiltnu)) |
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| [1591] | 252 | ALLOCATE(matriceus(iim,iim,jjm-jfiltsu+1)) |
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| [1086] | 253 | ALLOCATE(matricevn(iim,iim,jfiltnv)) |
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| [1591] | 254 | ALLOCATE(matricevs(iim,iim,jjm-jfiltsv+1)) |
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| [1086] | 255 | ALLOCATE( matrinvn(iim,iim,jfiltnu)) |
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| [1591] | 256 | ALLOCATE( matrinvs(iim,iim,jjm-jfiltsu+1)) |
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| [1086] | 257 | first_call_inifilr = .FALSE. |
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| 258 | ENDIF |
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| 259 | |
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| 260 | ! |
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| 261 | ! ... Determination de coefilu,coefilv,n=modfrstu,modfrstv .... |
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| 262 | !................................................................ |
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| 263 | ! |
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| 264 | ! |
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| 265 | DO j = 1,jjm |
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| [1591] | 266 | !default initialization: all modes are retained (i.e. no filtering) |
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| [1086] | 267 | modfrstu( j ) = iim |
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| 268 | modfrstv( j ) = iim |
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| 269 | ENDDO |
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| 270 | ! |
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| 271 | DO j = 2,jfiltnu |
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| 272 | DO k = 2,modemax |
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| 273 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 274 | IF ( cof .LT. 1. ) GOTO 82 |
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| 275 | ENDDO |
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| 276 | GOTO 84 |
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| 277 | 82 modfrstu( j ) = k |
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| 278 | ! |
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| 279 | kf = modfrstu( j ) |
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| 280 | DO k = kf , modemax |
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| 281 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 282 | coefilu(k,j) = cof - 1. |
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| 283 | coefilu2(k,j) = cof*cof - 1. |
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| 284 | ENDDO |
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| 285 | 84 CONTINUE |
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| 286 | ENDDO |
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| 287 | ! |
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| 288 | ! |
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| 289 | DO j = 1,jfiltnv |
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| 290 | ! |
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| 291 | DO k = 2,modemax |
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| 292 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 293 | IF ( cof .LT. 1. ) GOTO 87 |
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| 294 | ENDDO |
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| 295 | GOTO 89 |
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| 296 | 87 modfrstv( j ) = k |
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| 297 | ! |
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| 298 | kf = modfrstv( j ) |
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| 299 | DO k = kf , modemax |
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| 300 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 301 | coefilv(k,j) = cof - 1. |
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| 302 | coefilv2(k,j) = cof*cof - 1. |
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| 303 | ENDDO |
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| 304 | 89 CONTINUE |
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| 305 | ENDDO |
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| 306 | ! |
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| 307 | DO j = jfiltsu,jjm |
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| 308 | DO k = 2,modemax |
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| 309 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 310 | IF ( cof .LT. 1. ) GOTO 92 |
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| 311 | ENDDO |
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| 312 | GOTO 94 |
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| 313 | 92 modfrstu( j ) = k |
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| 314 | ! |
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| 315 | kf = modfrstu( j ) |
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| 316 | DO k = kf , modemax |
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| 317 | cof = rlamda(k) * COS( rlatu(j) ) |
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| 318 | coefilu(k,j) = cof - 1. |
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| 319 | coefilu2(k,j) = cof*cof - 1. |
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| 320 | ENDDO |
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| 321 | 94 CONTINUE |
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| 322 | ENDDO |
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| 323 | ! |
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| 324 | DO j = jfiltsv,jjm |
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| 325 | DO k = 2,modemax |
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| 326 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 327 | IF ( cof .LT. 1. ) GOTO 97 |
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| 328 | ENDDO |
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| 329 | GOTO 99 |
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| 330 | 97 modfrstv( j ) = k |
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| 331 | ! |
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| 332 | kf = modfrstv( j ) |
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| 333 | DO k = kf , modemax |
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| 334 | cof = rlamda(k) * COS( rlatv(j) ) |
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| 335 | coefilv(k,j) = cof - 1. |
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| 336 | coefilv2(k,j) = cof*cof - 1. |
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| 337 | ENDDO |
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| 338 | 99 CONTINUE |
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| 339 | ENDDO |
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| 340 | ! |
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| 341 | |
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| 342 | IF(jfiltnv.GE.jjm/2 .OR. jfiltnu.GE.jjm/2)THEN |
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| [1591] | 343 | ! Ehouarn: and what are these for??? Trying to handle a limit case |
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| 344 | ! where filters extend to and meet at the equator? |
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| [1086] | 345 | IF(jfiltnv.EQ.jfiltsv)jfiltsv=1+jfiltnv |
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| 346 | IF(jfiltnu.EQ.jfiltsu)jfiltsu=1+jfiltnu |
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| 347 | |
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| 348 | PRINT *,'jfiltnv jfiltsv jfiltnu jfiltsu' , & |
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| 349 | jfiltnv,jfiltsv,jfiltnu,jfiltsu |
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| 350 | ENDIF |
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| 351 | |
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| 352 | PRINT *,' Modes premiers v ' |
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| 353 | PRINT 334,modfrstv |
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| 354 | PRINT *,' Modes premiers u ' |
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| 355 | PRINT 334,modfrstu |
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| 356 | |
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| 357 | ! |
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| 358 | ! ................................................................... |
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| 359 | ! |
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| 360 | ! ... Calcul de la matrice filtre 'matriceu' pour les champs situes |
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| 361 | ! sur la grille scalaire ........ |
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| 362 | ! ................................................................... |
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| 363 | ! |
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| 364 | DO j = 2, jfiltnu |
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| 365 | |
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| 366 | DO i=1,iim |
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| 367 | coff = coefilu(i,j) |
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| 368 | IF( i.LT.modfrstu(j) ) coff = 0. |
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| 369 | DO k=1,iim |
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| 370 | eignft(i,k) = eignfnv(k,i) * coff |
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| 371 | ENDDO |
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| [1591] | 372 | ENDDO ! of DO i=1,iim |
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| [1086] | 373 | #ifdef CRAY |
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| 374 | CALL MXM( eignfnv,iim,eignft,iim,matriceun(1,1,j),iim ) |
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| 375 | #else |
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| 376 | #ifdef BLAS |
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| 377 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
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| 378 | eignfnv, iim, eignft, iim, 0.0, matriceun(1,1,j), iim) |
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| 379 | #else |
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| 380 | DO k = 1, iim |
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| 381 | DO i = 1, iim |
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| 382 | matriceun(i,k,j) = 0.0 |
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| 383 | DO ii = 1, iim |
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| 384 | matriceun(i,k,j) = matriceun(i,k,j) & |
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| 385 | + eignfnv(i,ii)*eignft(ii,k) |
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| 386 | ENDDO |
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| 387 | ENDDO |
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| [1591] | 388 | ENDDO ! of DO k = 1, iim |
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| [1086] | 389 | #endif |
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| 390 | #endif |
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| 391 | |
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| [1591] | 392 | ENDDO ! of DO j = 2, jfiltnu |
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| [1086] | 393 | |
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| 394 | DO j = jfiltsu, jjm |
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| 395 | |
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| 396 | DO i=1,iim |
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| 397 | coff = coefilu(i,j) |
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| 398 | IF( i.LT.modfrstu(j) ) coff = 0. |
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| 399 | DO k=1,iim |
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| 400 | eignft(i,k) = eignfnv(k,i) * coff |
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| 401 | ENDDO |
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| [1591] | 402 | ENDDO ! of DO i=1,iim |
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| [1086] | 403 | #ifdef CRAY |
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| 404 | CALL MXM(eignfnv,iim,eignft,iim,matriceus(1,1,j-jfiltsu+1),iim) |
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| 405 | #else |
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| 406 | #ifdef BLAS |
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| 407 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
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| 408 | eignfnv, iim, eignft, iim, 0.0, & |
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| 409 | matriceus(1,1,j-jfiltsu+1), iim) |
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| 410 | #else |
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| 411 | DO k = 1, iim |
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| 412 | DO i = 1, iim |
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| 413 | matriceus(i,k,j-jfiltsu+1) = 0.0 |
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| 414 | DO ii = 1, iim |
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| 415 | matriceus(i,k,j-jfiltsu+1) = matriceus(i,k,j-jfiltsu+1) & |
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| 416 | + eignfnv(i,ii)*eignft(ii,k) |
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| 417 | ENDDO |
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| 418 | ENDDO |
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| [1591] | 419 | ENDDO ! of DO k = 1, iim |
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| [1086] | 420 | #endif |
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| 421 | #endif |
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| 422 | |
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| [1591] | 423 | ENDDO ! of DO j = jfiltsu, jjm |
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| [1086] | 424 | |
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| 425 | ! ................................................................... |
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| 426 | ! |
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| 427 | ! ... Calcul de la matrice filtre 'matricev' pour les champs situes |
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| 428 | ! sur la grille de V ou de Z ........ |
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| 429 | ! ................................................................... |
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| 430 | ! |
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| 431 | DO j = 1, jfiltnv |
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| 432 | |
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| 433 | DO i = 1, iim |
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| 434 | coff = coefilv(i,j) |
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| 435 | IF( i.LT.modfrstv(j) ) coff = 0. |
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| 436 | DO k = 1, iim |
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| 437 | eignft(i,k) = eignfnu(k,i) * coff |
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| 438 | ENDDO |
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| 439 | ENDDO |
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| 440 | #ifdef CRAY |
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| 441 | CALL MXM( eignfnu,iim,eignft,iim,matricevn(1,1,j),iim ) |
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| 442 | #else |
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| 443 | #ifdef BLAS |
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| 444 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
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| 445 | eignfnu, iim, eignft, iim, 0.0, matricevn(1,1,j), iim) |
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| 446 | #else |
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| 447 | DO k = 1, iim |
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| 448 | DO i = 1, iim |
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| 449 | matricevn(i,k,j) = 0.0 |
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| 450 | DO ii = 1, iim |
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| 451 | matricevn(i,k,j) = matricevn(i,k,j) & |
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| 452 | + eignfnu(i,ii)*eignft(ii,k) |
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| 453 | ENDDO |
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| 454 | ENDDO |
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| 455 | ENDDO |
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| 456 | #endif |
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| 457 | #endif |
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| 458 | |
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| [1591] | 459 | ENDDO ! of DO j = 1, jfiltnv |
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| [1086] | 460 | |
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| 461 | DO j = jfiltsv, jjm |
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| 462 | |
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| 463 | DO i = 1, iim |
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| 464 | coff = coefilv(i,j) |
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| 465 | IF( i.LT.modfrstv(j) ) coff = 0. |
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| 466 | DO k = 1, iim |
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| 467 | eignft(i,k) = eignfnu(k,i) * coff |
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| 468 | ENDDO |
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| 469 | ENDDO |
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| 470 | #ifdef CRAY |
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| 471 | CALL MXM(eignfnu,iim,eignft,iim,matricevs(1,1,j-jfiltsv+1),iim) |
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| 472 | #else |
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| 473 | #ifdef BLAS |
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| 474 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
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| 475 | eignfnu, iim, eignft, iim, 0.0, & |
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| 476 | matricevs(1,1,j-jfiltsv+1), iim) |
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| 477 | #else |
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| 478 | DO k = 1, iim |
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| 479 | DO i = 1, iim |
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| 480 | matricevs(i,k,j-jfiltsv+1) = 0.0 |
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| 481 | DO ii = 1, iim |
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| 482 | matricevs(i,k,j-jfiltsv+1) = matricevs(i,k,j-jfiltsv+1) & |
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| 483 | + eignfnu(i,ii)*eignft(ii,k) |
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| 484 | ENDDO |
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| 485 | ENDDO |
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| 486 | ENDDO |
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| 487 | #endif |
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| 488 | #endif |
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| 489 | |
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| [1591] | 490 | ENDDO ! of DO j = jfiltsv, jjm |
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| [1086] | 491 | |
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| 492 | ! ................................................................... |
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| 493 | ! |
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| 494 | ! ... Calcul de la matrice filtre 'matrinv' pour les champs situes |
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| 495 | ! sur la grille scalaire , pour le filtre inverse ........ |
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| 496 | ! ................................................................... |
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| 497 | ! |
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| 498 | DO j = 2, jfiltnu |
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| 499 | |
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| 500 | DO i = 1,iim |
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| 501 | coff = coefilu(i,j)/ ( 1. + coefilu(i,j) ) |
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| 502 | IF( i.LT.modfrstu(j) ) coff = 0. |
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| 503 | DO k=1,iim |
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| 504 | eignft(i,k) = eignfnv(k,i) * coff |
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| 505 | ENDDO |
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| 506 | ENDDO |
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| 507 | #ifdef CRAY |
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| 508 | CALL MXM( eignfnv,iim,eignft,iim,matrinvn(1,1,j),iim ) |
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| 509 | #else |
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| 510 | #ifdef BLAS |
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| 511 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
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| 512 | eignfnv, iim, eignft, iim, 0.0, matrinvn(1,1,j), iim) |
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| 513 | #else |
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| 514 | DO k = 1, iim |
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| 515 | DO i = 1, iim |
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| 516 | matrinvn(i,k,j) = 0.0 |
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| 517 | DO ii = 1, iim |
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| 518 | matrinvn(i,k,j) = matrinvn(i,k,j) & |
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| 519 | + eignfnv(i,ii)*eignft(ii,k) |
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| 520 | ENDDO |
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| 521 | ENDDO |
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| 522 | ENDDO |
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| 523 | #endif |
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| 524 | #endif |
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| 525 | |
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| [1591] | 526 | ENDDO ! of DO j = 2, jfiltnu |
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| [1086] | 527 | |
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| 528 | DO j = jfiltsu, jjm |
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| 529 | |
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| 530 | DO i = 1,iim |
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| 531 | coff = coefilu(i,j) / ( 1. + coefilu(i,j) ) |
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| 532 | IF( i.LT.modfrstu(j) ) coff = 0. |
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| 533 | DO k=1,iim |
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| 534 | eignft(i,k) = eignfnv(k,i) * coff |
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| 535 | ENDDO |
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| 536 | ENDDO |
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| 537 | #ifdef CRAY |
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| 538 | CALL MXM(eignfnv,iim,eignft,iim,matrinvs(1,1,j-jfiltsu+1),iim) |
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| 539 | #else |
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| 540 | #ifdef BLAS |
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| 541 | CALL SGEMM ('N', 'N', iim, iim, iim, 1.0, & |
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| 542 | eignfnv, iim, eignft, iim, 0.0, matrinvs(1,1,j-jfiltsu+1), iim) |
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| 543 | #else |
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| 544 | DO k = 1, iim |
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| 545 | DO i = 1, iim |
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| 546 | matrinvs(i,k,j-jfiltsu+1) = 0.0 |
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| 547 | DO ii = 1, iim |
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| 548 | matrinvs(i,k,j-jfiltsu+1) = matrinvs(i,k,j-jfiltsu+1) & |
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| 549 | + eignfnv(i,ii)*eignft(ii,k) |
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| 550 | ENDDO |
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| 551 | ENDDO |
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| 552 | ENDDO |
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| 553 | #endif |
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| 554 | #endif |
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| 555 | |
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| [1591] | 556 | ENDDO ! of DO j = jfiltsu, jjm |
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| [1086] | 557 | |
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| [1840] | 558 | #ifdef CPP_PARA |
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| [1279] | 559 | IF (use_filtre_fft) THEN |
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| 560 | CALL Init_filtre_fft(coefilu,modfrstu,jfiltnu,jfiltsu, & |
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| 561 | coefilv,modfrstv,jfiltnv,jfiltsv) |
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| [1685] | 562 | CALL Init_filtre_fft_loc(coefilu,modfrstu,jfiltnu,jfiltsu, & |
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| 563 | coefilv,modfrstv,jfiltnv,jfiltsv) |
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| [1279] | 564 | ENDIF |
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| [1840] | 565 | #endif |
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| [1086] | 566 | ! ................................................................... |
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| 567 | |
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| 568 | ! |
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| 569 | 334 FORMAT(1x,24i3) |
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| 570 | 755 FORMAT(1x,6f10.3,i3) |
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| 571 | |
|---|
| 572 | RETURN |
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| 573 | END SUBROUTINE inifilr |
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| 574 | |
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| [1108] | 575 | END MODULE filtreg_mod |
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