[2956] | 1 | MODULE diaharm |
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[4292] | 2 | !!====================================================================== |
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[2956] | 3 | !! *** MODULE diaharm *** |
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| 4 | !! Harmonic analysis of tidal constituents |
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[4292] | 5 | !!====================================================================== |
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| 6 | !! History : 3.1 ! 2007 (O. Le Galloudec, J. Chanut) Original code |
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| 7 | !!---------------------------------------------------------------------- |
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[7646] | 8 | #if defined key_diaharm |
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[4292] | 9 | !!---------------------------------------------------------------------- |
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| 10 | !! 'key_diaharm' |
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| 11 | !!---------------------------------------------------------------------- |
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[2956] | 12 | USE oce ! ocean dynamics and tracers variables |
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| 13 | USE dom_oce ! ocean space and time domain |
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| 14 | USE phycst |
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| 15 | USE daymod |
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| 16 | USE tide_mod |
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[7646] | 17 | USE sbctide ! Tidal forcing or not |
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[4683] | 18 | ! |
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[4292] | 19 | USE in_out_manager ! I/O units |
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| 20 | USE iom ! I/0 library |
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| 21 | USE ioipsl ! NetCDF IPSL library |
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| 22 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[3294] | 23 | USE timing ! preformance summary |
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[10417] | 24 | USE lib_mpp ! MPP library |
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[2956] | 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | PRIVATE |
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[3294] | 28 | |
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| 29 | LOGICAL, PUBLIC, PARAMETER :: lk_diaharm = .TRUE. |
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[2956] | 30 | |
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[3294] | 31 | INTEGER, PARAMETER :: jpincomax = 2.*jpmax_harmo |
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| 32 | INTEGER, PARAMETER :: jpdimsparse = jpincomax*300*24 |
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[2956] | 33 | |
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[4683] | 34 | ! !!** namelist variables ** |
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[4292] | 35 | INTEGER :: nit000_han ! First time step used for harmonic analysis |
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| 36 | INTEGER :: nitend_han ! Last time step used for harmonic analysis |
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| 37 | INTEGER :: nstep_han ! Time step frequency for harmonic analysis |
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[4683] | 38 | INTEGER :: nb_ana ! Number of harmonics to analyse |
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[2956] | 39 | |
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[4292] | 40 | INTEGER , ALLOCATABLE, DIMENSION(:) :: name |
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| 41 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: ana_temp |
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| 42 | REAL(wp), ALLOCATABLE, DIMENSION(:) :: ana_freq, ut , vt , ft |
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| 43 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: out_eta , out_u, out_v |
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[2956] | 44 | |
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[4292] | 45 | INTEGER :: ninco, nsparse |
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| 46 | INTEGER , DIMENSION(jpdimsparse) :: njsparse, nisparse |
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| 47 | INTEGER , SAVE, DIMENSION(jpincomax) :: ipos1 |
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| 48 | REAL(wp), DIMENSION(jpdimsparse) :: valuesparse |
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| 49 | REAL(wp), DIMENSION(jpincomax) :: ztmp4 , ztmp7 |
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| 50 | REAL(wp), SAVE, DIMENSION(jpincomax,jpincomax) :: ztmp3 , zpilier |
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| 51 | REAL(wp), SAVE, DIMENSION(jpincomax) :: zpivot |
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[3294] | 52 | |
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[4292] | 53 | CHARACTER (LEN=4), DIMENSION(jpmax_harmo) :: tname ! Names of tidal constituents ('M2', 'K1',...) |
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[2956] | 54 | |
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[4292] | 55 | PUBLIC dia_harm ! routine called by step.F90 |
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[2956] | 56 | |
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[4292] | 57 | !!---------------------------------------------------------------------- |
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[9598] | 58 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5215] | 59 | !! $Id$ |
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[10068] | 60 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[4292] | 61 | !!---------------------------------------------------------------------- |
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[2956] | 62 | CONTAINS |
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| 63 | |
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| 64 | SUBROUTINE dia_harm_init |
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| 65 | !!---------------------------------------------------------------------- |
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| 66 | !! *** ROUTINE dia_harm_init *** |
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| 67 | !! |
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| 68 | !! ** Purpose : Initialization of tidal harmonic analysis |
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| 69 | !! |
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[3038] | 70 | !! ** Method : Initialize frequency array and nodal factor for nit000_han |
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[2956] | 71 | !! |
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| 72 | !!-------------------------------------------------------------------- |
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| 73 | INTEGER :: jh, nhan, jk, ji |
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[4147] | 74 | INTEGER :: ios ! Local integer output status for namelist read |
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[2956] | 75 | |
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[3294] | 76 | NAMELIST/nam_diaharm/ nit000_han, nitend_han, nstep_han, tname |
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[2956] | 77 | !!---------------------------------------------------------------------- |
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| 78 | |
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[3294] | 79 | IF(lwp) THEN |
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| 80 | WRITE(numout,*) |
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| 81 | WRITE(numout,*) 'dia_harm_init: Tidal harmonic analysis initialization' |
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| 82 | WRITE(numout,*) '~~~~~~~ ' |
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| 83 | ENDIF |
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| 84 | ! |
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[7646] | 85 | IF( .NOT. ln_tide ) CALL ctl_stop( 'dia_harm_init : ln_tide must be true for harmonic analysis') |
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| 86 | ! |
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[3294] | 87 | CALL tide_init_Wave |
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| 88 | ! |
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[4147] | 89 | REWIND( numnam_ref ) ! Namelist nam_diaharm in reference namelist : Tidal harmonic analysis |
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| 90 | READ ( numnam_ref, nam_diaharm, IOSTAT = ios, ERR = 901) |
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[9168] | 91 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_diaharm in reference namelist', lwp ) |
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[4147] | 92 | REWIND( numnam_cfg ) ! Namelist nam_diaharm in configuration namelist : Tidal harmonic analysis |
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| 93 | READ ( numnam_cfg, nam_diaharm, IOSTAT = ios, ERR = 902 ) |
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[9168] | 94 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nam_diaharm in configuration namelist', lwp ) |
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[4624] | 95 | IF(lwm) WRITE ( numond, nam_diaharm ) |
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[3294] | 96 | ! |
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| 97 | IF(lwp) THEN |
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| 98 | WRITE(numout,*) 'First time step used for analysis: nit000_han= ', nit000_han |
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| 99 | WRITE(numout,*) 'Last time step used for analysis: nitend_han= ', nitend_han |
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| 100 | WRITE(numout,*) 'Time step frequency for harmonic analysis: nstep_han= ', nstep_han |
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[2956] | 101 | ENDIF |
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| 102 | |
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| 103 | ! Basic checks on harmonic analysis time window: |
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| 104 | ! ---------------------------------------------- |
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[4292] | 105 | IF( nit000 > nit000_han ) CALL ctl_stop( 'dia_harm_init : nit000_han must be greater than nit000', & |
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| 106 | & ' restart capability not implemented' ) |
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| 107 | IF( nitend < nitend_han ) CALL ctl_stop( 'dia_harm_init : nitend_han must be lower than nitend', & |
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| 108 | & 'restart capability not implemented' ) |
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[2956] | 109 | |
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[4292] | 110 | IF( MOD( nitend_han-nit000_han+1 , nstep_han ) /= 0 ) & |
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| 111 | & CALL ctl_stop( 'dia_harm_init : analysis time span must be a multiple of nstep_han' ) |
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[2956] | 112 | |
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[4292] | 113 | nb_ana = 0 |
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[3294] | 114 | DO jk=1,jpmax_harmo |
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| 115 | DO ji=1,jpmax_harmo |
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| 116 | IF(TRIM(tname(jk)) == Wave(ji)%cname_tide) THEN |
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| 117 | nb_ana=nb_ana+1 |
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| 118 | ENDIF |
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| 119 | END DO |
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[4683] | 120 | END DO |
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[3294] | 121 | ! |
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| 122 | IF(lwp) THEN |
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| 123 | WRITE(numout,*) ' Namelist nam_diaharm' |
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| 124 | WRITE(numout,*) ' nb_ana = ', nb_ana |
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| 125 | CALL flush(numout) |
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| 126 | ENDIF |
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| 127 | ! |
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| 128 | IF (nb_ana > jpmax_harmo) THEN |
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[10417] | 129 | WRITE(ctmp1,*) 'Can not use XIOS in iom_g0d, file: '//TRIM(clname)//', var:'//TRIM(cdvar) |
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| 130 | WRITE(ctmp2,*) ' jpmax_harmo= ', jpmax_harmo |
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| 131 | CALL ctl_stop( 'dia_harm_init', ctmp1, ctmp2 ) |
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[3294] | 132 | ENDIF |
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[2956] | 133 | |
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| 134 | ALLOCATE(name (nb_ana)) |
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| 135 | DO jk=1,nb_ana |
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| 136 | DO ji=1,jpmax_harmo |
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[6140] | 137 | IF (TRIM(tname(jk)) == Wave(ji)%cname_tide) THEN |
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[2956] | 138 | name(jk) = ji |
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| 139 | EXIT |
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| 140 | END IF |
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| 141 | END DO |
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| 142 | END DO |
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| 143 | |
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| 144 | ! Initialize frequency array: |
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| 145 | ! --------------------------- |
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[4292] | 146 | ALLOCATE( ana_freq(nb_ana), ut(nb_ana), vt(nb_ana), ft(nb_ana) ) |
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[2956] | 147 | |
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[4292] | 148 | CALL tide_harmo( ana_freq, vt, ut, ft, name, nb_ana ) |
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[2956] | 149 | |
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[2964] | 150 | IF(lwp) WRITE(numout,*) 'Analysed frequency : ',nb_ana ,'Frequency ' |
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[2956] | 151 | |
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| 152 | DO jh = 1, nb_ana |
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| 153 | IF(lwp) WRITE(numout,*) ' : ',tname(jh),' ',ana_freq(jh) |
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| 154 | END DO |
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| 155 | |
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| 156 | ! Initialize temporary arrays: |
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| 157 | ! ---------------------------- |
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[4292] | 158 | ALLOCATE( ana_temp(jpi,jpj,2*nb_ana,3) ) |
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[4683] | 159 | ana_temp(:,:,:,:) = 0._wp |
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[2956] | 160 | |
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| 161 | END SUBROUTINE dia_harm_init |
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[4292] | 162 | |
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| 163 | |
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[2956] | 164 | SUBROUTINE dia_harm ( kt ) |
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| 165 | !!---------------------------------------------------------------------- |
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| 166 | !! *** ROUTINE dia_harm *** |
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| 167 | !! |
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| 168 | !! ** Purpose : Tidal harmonic analysis main routine |
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| 169 | !! |
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[3038] | 170 | !! ** Action : Sums ssh/u/v over time analysis [nit000_han,nitend_han] |
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[2956] | 171 | !! |
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| 172 | !!-------------------------------------------------------------------- |
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| 173 | INTEGER, INTENT( IN ) :: kt |
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[4292] | 174 | ! |
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[3294] | 175 | INTEGER :: ji, jj, jh, jc, nhc |
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[2956] | 176 | REAL(wp) :: ztime, ztemp |
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[3294] | 177 | !!-------------------------------------------------------------------- |
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[9124] | 178 | IF( ln_timing ) CALL timing_start('dia_harm') |
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| 179 | ! |
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| 180 | IF( kt == nit000 ) CALL dia_harm_init |
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| 181 | ! |
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[4683] | 182 | IF( kt >= nit000_han .AND. kt <= nitend_han .AND. MOD(kt,nstep_han) == 0 ) THEN |
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[9124] | 183 | ! |
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[4683] | 184 | ztime = (kt-nit000+1) * rdt |
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[9124] | 185 | ! |
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[4683] | 186 | nhc = 0 |
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| 187 | DO jh = 1, nb_ana |
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| 188 | DO jc = 1, 2 |
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| 189 | nhc = nhc+1 |
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| 190 | ztemp =( MOD(jc,2) * ft(jh) *COS(ana_freq(jh)*ztime + vt(jh) + ut(jh)) & |
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| 191 | & +(1.-MOD(jc,2))* ft(jh) *SIN(ana_freq(jh)*ztime + vt(jh) + ut(jh))) |
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[9124] | 192 | ! |
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[4990] | 193 | DO jj = 1,jpj |
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| 194 | DO ji = 1,jpi |
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[4683] | 195 | ! Elevation |
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[6140] | 196 | ana_temp(ji,jj,nhc,1) = ana_temp(ji,jj,nhc,1) + ztemp*sshn(ji,jj)*ssmask (ji,jj) |
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| 197 | ana_temp(ji,jj,nhc,2) = ana_temp(ji,jj,nhc,2) + ztemp*un_b(ji,jj)*ssumask(ji,jj) |
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| 198 | ana_temp(ji,jj,nhc,3) = ana_temp(ji,jj,nhc,3) + ztemp*vn_b(ji,jj)*ssvmask(ji,jj) |
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[4683] | 199 | END DO |
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| 200 | END DO |
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| 201 | ! |
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[2956] | 202 | END DO |
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[4683] | 203 | END DO |
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| 204 | ! |
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[2956] | 205 | END IF |
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[9124] | 206 | ! |
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| 207 | IF( kt == nitend_han ) CALL dia_harm_end |
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| 208 | ! |
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| 209 | IF( ln_timing ) CALL timing_stop('dia_harm') |
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| 210 | ! |
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[2956] | 211 | END SUBROUTINE dia_harm |
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| 212 | |
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[4292] | 213 | |
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[2956] | 214 | SUBROUTINE dia_harm_end |
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| 215 | !!---------------------------------------------------------------------- |
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| 216 | !! *** ROUTINE diaharm_end *** |
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| 217 | !! |
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[3038] | 218 | !! ** Purpose : Compute the Real and Imaginary part of tidal constituents |
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[2956] | 219 | !! |
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[3038] | 220 | !! ** Action : Decompose the signal on the harmonic constituents |
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[2956] | 221 | !! |
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| 222 | !!-------------------------------------------------------------------- |
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| 223 | INTEGER :: ji, jj, jh, jc, jn, nhan, jl |
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| 224 | INTEGER :: ksp, kun, keq |
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| 225 | REAL(wp) :: ztime, ztime_ini, ztime_end |
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[9124] | 226 | REAL(wp) :: X1, X2 |
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| 227 | REAL(wp), DIMENSION(jpi,jpj,jpmax_harmo,2) :: ana_amp ! workspace |
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[3294] | 228 | !!-------------------------------------------------------------------- |
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[9124] | 229 | ! |
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[3294] | 230 | IF(lwp) WRITE(numout,*) |
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| 231 | IF(lwp) WRITE(numout,*) 'anharmo_end: kt=nitend_han: Perform harmonic analysis' |
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| 232 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~' |
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[2956] | 233 | |
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[3294] | 234 | ztime_ini = nit000_han*rdt ! Initial time in seconds at the beginning of analysis |
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| 235 | ztime_end = nitend_han*rdt ! Final time in seconds at the end of analysis |
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| 236 | nhan = (nitend_han-nit000_han+1)/nstep_han ! Number of dumps used for analysis |
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[2956] | 237 | |
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[3294] | 238 | ninco = 2*nb_ana |
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[2956] | 239 | |
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[3294] | 240 | ksp = 0 |
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| 241 | keq = 0 |
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| 242 | DO jn = 1, nhan |
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| 243 | ztime=( (nhan-jn)*ztime_ini + (jn-1)*ztime_end )/FLOAT(nhan-1) |
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| 244 | keq = keq + 1 |
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| 245 | kun = 0 |
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[4683] | 246 | DO jh = 1, nb_ana |
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| 247 | DO jc = 1, 2 |
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[3294] | 248 | kun = kun + 1 |
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| 249 | ksp = ksp + 1 |
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| 250 | nisparse(ksp) = keq |
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| 251 | njsparse(ksp) = kun |
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[4292] | 252 | valuesparse(ksp) = ( MOD(jc,2) * ft(jh) * COS(ana_freq(jh)*ztime + vt(jh) + ut(jh)) & |
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| 253 | & + (1.-MOD(jc,2))* ft(jh) * SIN(ana_freq(jh)*ztime + vt(jh) + ut(jh)) ) |
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[2956] | 254 | END DO |
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[3294] | 255 | END DO |
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| 256 | END DO |
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[2956] | 257 | |
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[4292] | 258 | nsparse = ksp |
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[2956] | 259 | |
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[3294] | 260 | ! Elevation: |
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| 261 | DO jj = 1, jpj |
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| 262 | DO ji = 1, jpi |
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[2956] | 263 | ! Fill input array |
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[4292] | 264 | kun = 0 |
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| 265 | DO jh = 1, nb_ana |
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| 266 | DO jc = 1, 2 |
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[3294] | 267 | kun = kun + 1 |
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| 268 | ztmp4(kun)=ana_temp(ji,jj,kun,1) |
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[4292] | 269 | END DO |
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| 270 | END DO |
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[2956] | 271 | |
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| 272 | CALL SUR_DETERMINE(jj) |
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| 273 | |
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| 274 | ! Fill output array |
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| 275 | DO jh = 1, nb_ana |
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[3294] | 276 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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| 277 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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[2956] | 278 | END DO |
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[3294] | 279 | END DO |
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| 280 | END DO |
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[2956] | 281 | |
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[4292] | 282 | ALLOCATE( out_eta(jpi,jpj,2*nb_ana), & |
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| 283 | & out_u (jpi,jpj,2*nb_ana), & |
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| 284 | & out_v (jpi,jpj,2*nb_ana) ) |
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[2956] | 285 | |
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[3294] | 286 | DO jj = 1, jpj |
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| 287 | DO ji = 1, jpi |
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[2956] | 288 | DO jh = 1, nb_ana |
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[4292] | 289 | X1 = ana_amp(ji,jj,jh,1) |
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| 290 | X2 =-ana_amp(ji,jj,jh,2) |
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[4990] | 291 | out_eta(ji,jj,jh ) = X1 * tmask_i(ji,jj) |
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| 292 | out_eta(ji,jj,jh+nb_ana) = X2 * tmask_i(ji,jj) |
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[4683] | 293 | END DO |
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| 294 | END DO |
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| 295 | END DO |
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[2956] | 296 | |
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[3294] | 297 | ! ubar: |
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| 298 | DO jj = 1, jpj |
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| 299 | DO ji = 1, jpi |
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[2956] | 300 | ! Fill input array |
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| 301 | kun=0 |
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| 302 | DO jh = 1,nb_ana |
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[3294] | 303 | DO jc = 1,2 |
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| 304 | kun = kun + 1 |
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| 305 | ztmp4(kun)=ana_temp(ji,jj,kun,2) |
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[4683] | 306 | END DO |
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| 307 | END DO |
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[2956] | 308 | |
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| 309 | CALL SUR_DETERMINE(jj+1) |
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| 310 | |
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| 311 | ! Fill output array |
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| 312 | DO jh = 1, nb_ana |
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[4683] | 313 | ana_amp(ji,jj,jh,1) = ztmp7((jh-1)*2+1) |
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| 314 | ana_amp(ji,jj,jh,2) = ztmp7((jh-1)*2+2) |
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[2956] | 315 | END DO |
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| 316 | |
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[3294] | 317 | END DO |
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| 318 | END DO |
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[2956] | 319 | |
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[3294] | 320 | DO jj = 1, jpj |
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| 321 | DO ji = 1, jpi |
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[2956] | 322 | DO jh = 1, nb_ana |
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[4990] | 323 | X1= ana_amp(ji,jj,jh,1) |
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| 324 | X2=-ana_amp(ji,jj,jh,2) |
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[6140] | 325 | out_u(ji,jj, jh) = X1 * ssumask(ji,jj) |
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| 326 | out_u(ji,jj,nb_ana+jh) = X2 * ssumask(ji,jj) |
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[4990] | 327 | ENDDO |
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| 328 | ENDDO |
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| 329 | ENDDO |
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[2956] | 330 | |
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[3294] | 331 | ! vbar: |
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| 332 | DO jj = 1, jpj |
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| 333 | DO ji = 1, jpi |
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| 334 | ! Fill input array |
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| 335 | kun=0 |
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| 336 | DO jh = 1,nb_ana |
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| 337 | DO jc = 1,2 |
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[2956] | 338 | kun = kun + 1 |
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[3294] | 339 | ztmp4(kun)=ana_temp(ji,jj,kun,3) |
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[4683] | 340 | END DO |
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| 341 | END DO |
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[2956] | 342 | |
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[3294] | 343 | CALL SUR_DETERMINE(jj+1) |
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[2956] | 344 | |
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[3294] | 345 | ! Fill output array |
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| 346 | DO jh = 1, nb_ana |
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| 347 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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| 348 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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| 349 | END DO |
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[2956] | 350 | |
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[3294] | 351 | END DO |
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| 352 | END DO |
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[2956] | 353 | |
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[3294] | 354 | DO jj = 1, jpj |
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| 355 | DO ji = 1, jpi |
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[2956] | 356 | DO jh = 1, nb_ana |
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[3294] | 357 | X1=ana_amp(ji,jj,jh,1) |
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| 358 | X2=-ana_amp(ji,jj,jh,2) |
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[6140] | 359 | out_v(ji,jj, jh)=X1 * ssvmask(ji,jj) |
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| 360 | out_v(ji,jj,nb_ana+jh)=X2 * ssvmask(ji,jj) |
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[4683] | 361 | END DO |
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| 362 | END DO |
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| 363 | END DO |
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[9124] | 364 | ! |
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[3294] | 365 | CALL dia_wri_harm ! Write results in files |
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| 366 | ! |
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| 367 | END SUBROUTINE dia_harm_end |
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[2956] | 368 | |
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[4292] | 369 | |
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[3294] | 370 | SUBROUTINE dia_wri_harm |
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[2956] | 371 | !!-------------------------------------------------------------------- |
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| 372 | !! *** ROUTINE dia_wri_harm *** |
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| 373 | !! |
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| 374 | !! ** Purpose : Write tidal harmonic analysis results in a netcdf file |
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| 375 | !!-------------------------------------------------------------------- |
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| 376 | CHARACTER(LEN=lc) :: cltext |
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| 377 | CHARACTER(LEN=lc) :: & |
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[3294] | 378 | cdfile_name_T , & ! name of the file created (T-points) |
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| 379 | cdfile_name_U , & ! name of the file created (U-points) |
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| 380 | cdfile_name_V ! name of the file created (V-points) |
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| 381 | INTEGER :: jh |
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[2956] | 382 | !!---------------------------------------------------------------------- |
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| 383 | |
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| 384 | IF(lwp) WRITE(numout,*) ' ' |
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[3294] | 385 | IF(lwp) WRITE(numout,*) 'dia_wri_harm : Write harmonic analysis results' |
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[2956] | 386 | IF(lwp) WRITE(numout,*) ' ' |
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| 387 | |
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| 388 | ! A) Elevation |
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| 389 | !///////////// |
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| 390 | ! |
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| 391 | DO jh = 1, nb_ana |
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| 392 | CALL iom_put( TRIM(tname(jh))//'x', out_eta(:,:,jh) ) |
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| 393 | CALL iom_put( TRIM(tname(jh))//'y', out_eta(:,:,nb_ana+jh) ) |
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| 394 | END DO |
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| 395 | |
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| 396 | ! B) ubar |
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| 397 | !///////// |
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| 398 | ! |
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| 399 | DO jh = 1, nb_ana |
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| 400 | CALL iom_put( TRIM(tname(jh))//'x_u', out_u(:,:,jh) ) |
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| 401 | CALL iom_put( TRIM(tname(jh))//'y_u', out_u(:,:,nb_ana+jh) ) |
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| 402 | END DO |
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| 403 | |
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| 404 | ! C) vbar |
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| 405 | !///////// |
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| 406 | ! |
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| 407 | DO jh = 1, nb_ana |
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[4683] | 408 | CALL iom_put( TRIM(tname(jh))//'x_v', out_v(:,:,jh ) ) |
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| 409 | CALL iom_put( TRIM(tname(jh))//'y_v', out_v(:,:,jh+nb_ana) ) |
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[2956] | 410 | END DO |
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[4683] | 411 | ! |
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[3294] | 412 | END SUBROUTINE dia_wri_harm |
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[2956] | 413 | |
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[4292] | 414 | |
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[3294] | 415 | SUBROUTINE SUR_DETERMINE(init) |
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[4683] | 416 | !!--------------------------------------------------------------------------------- |
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| 417 | !! *** ROUTINE SUR_DETERMINE *** |
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| 418 | !! |
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| 419 | !! |
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| 420 | !! |
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| 421 | !!--------------------------------------------------------------------------------- |
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| 422 | INTEGER, INTENT(in) :: init |
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| 423 | ! |
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| 424 | INTEGER :: ji_sd, jj_sd, ji1_sd, ji2_sd, jk1_sd, jk2_sd |
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| 425 | REAL(wp) :: zval1, zval2, zx1 |
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[9124] | 426 | REAL(wp), DIMENSION(jpincomax) :: ztmpx, zcol1, zcol2 |
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| 427 | INTEGER , DIMENSION(jpincomax) :: ipos2, ipivot |
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[4683] | 428 | !--------------------------------------------------------------------------------- |
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[9124] | 429 | ! |
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[4683] | 430 | IF( init == 1 ) THEN |
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| 431 | IF( nsparse > jpdimsparse ) CALL ctl_stop( 'STOP', 'SUR_DETERMINE : nsparse .GT. jpdimsparse') |
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| 432 | IF( ninco > jpincomax ) CALL ctl_stop( 'STOP', 'SUR_DETERMINE : ninco .GT. jpincomax') |
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| 433 | ! |
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| 434 | ztmp3(:,:) = 0._wp |
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| 435 | ! |
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| 436 | DO jk1_sd = 1, nsparse |
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| 437 | DO jk2_sd = 1, nsparse |
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| 438 | nisparse(jk2_sd) = nisparse(jk2_sd) |
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| 439 | njsparse(jk2_sd) = njsparse(jk2_sd) |
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| 440 | IF( nisparse(jk2_sd) == nisparse(jk1_sd) ) THEN |
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| 441 | ztmp3(njsparse(jk1_sd),njsparse(jk2_sd)) = ztmp3(njsparse(jk1_sd),njsparse(jk2_sd)) & |
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| 442 | & + valuesparse(jk1_sd)*valuesparse(jk2_sd) |
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| 443 | ENDIF |
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| 444 | END DO |
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[4292] | 445 | END DO |
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[4683] | 446 | ! |
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| 447 | DO jj_sd = 1 ,ninco |
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| 448 | ipos1(jj_sd) = jj_sd |
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| 449 | ipos2(jj_sd) = jj_sd |
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| 450 | END DO |
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| 451 | ! |
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| 452 | DO ji_sd = 1 , ninco |
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| 453 | ! |
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| 454 | !find greatest non-zero pivot: |
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| 455 | zval1 = ABS(ztmp3(ji_sd,ji_sd)) |
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| 456 | ! |
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| 457 | ipivot(ji_sd) = ji_sd |
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| 458 | DO jj_sd = ji_sd, ninco |
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| 459 | zval2 = ABS(ztmp3(ji_sd,jj_sd)) |
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[6140] | 460 | IF( zval2 >= zval1 )THEN |
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[4683] | 461 | ipivot(ji_sd) = jj_sd |
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| 462 | zval1 = zval2 |
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| 463 | ENDIF |
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| 464 | END DO |
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| 465 | ! |
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| 466 | DO ji1_sd = 1, ninco |
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| 467 | zcol1(ji1_sd) = ztmp3(ji1_sd,ji_sd) |
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| 468 | zcol2(ji1_sd) = ztmp3(ji1_sd,ipivot(ji_sd)) |
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| 469 | ztmp3(ji1_sd,ji_sd) = zcol2(ji1_sd) |
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| 470 | ztmp3(ji1_sd,ipivot(ji_sd)) = zcol1(ji1_sd) |
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| 471 | END DO |
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| 472 | ! |
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| 473 | ipos2(ji_sd) = ipos1(ipivot(ji_sd)) |
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| 474 | ipos2(ipivot(ji_sd)) = ipos1(ji_sd) |
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| 475 | ipos1(ji_sd) = ipos2(ji_sd) |
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| 476 | ipos1(ipivot(ji_sd)) = ipos2(ipivot(ji_sd)) |
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| 477 | zpivot(ji_sd) = ztmp3(ji_sd,ji_sd) |
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| 478 | DO jj_sd = 1, ninco |
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| 479 | ztmp3(ji_sd,jj_sd) = ztmp3(ji_sd,jj_sd) / zpivot(ji_sd) |
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| 480 | END DO |
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| 481 | ! |
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| 482 | DO ji2_sd = ji_sd+1, ninco |
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| 483 | zpilier(ji2_sd,ji_sd)=ztmp3(ji2_sd,ji_sd) |
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| 484 | DO jj_sd=1,ninco |
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| 485 | ztmp3(ji2_sd,jj_sd)= ztmp3(ji2_sd,jj_sd) - ztmp3(ji_sd,jj_sd) * zpilier(ji2_sd,ji_sd) |
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| 486 | END DO |
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| 487 | END DO |
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| 488 | ! |
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| 489 | END DO |
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| 490 | ! |
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| 491 | ENDIF ! End init==1 |
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[3294] | 492 | |
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[4683] | 493 | DO ji_sd = 1, ninco |
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| 494 | ztmp4(ji_sd) = ztmp4(ji_sd) / zpivot(ji_sd) |
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[3294] | 495 | DO ji2_sd = ji_sd+1, ninco |
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[4683] | 496 | ztmp4(ji2_sd) = ztmp4(ji2_sd) - ztmp4(ji_sd) * zpilier(ji2_sd,ji_sd) |
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| 497 | END DO |
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| 498 | END DO |
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[3294] | 499 | |
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[4683] | 500 | !system solving: |
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| 501 | ztmpx(ninco) = ztmp4(ninco) / ztmp3(ninco,ninco) |
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| 502 | ji_sd = ninco |
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| 503 | DO ji_sd = ninco-1, 1, -1 |
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| 504 | zx1 = 0._wp |
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| 505 | DO jj_sd = ji_sd+1, ninco |
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| 506 | zx1 = zx1 + ztmpx(jj_sd) * ztmp3(ji_sd,jj_sd) |
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| 507 | END DO |
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| 508 | ztmpx(ji_sd) = ztmp4(ji_sd)-zx1 |
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| 509 | END DO |
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[3294] | 510 | |
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[4683] | 511 | DO jj_sd =1, ninco |
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| 512 | ztmp7(ipos1(jj_sd))=ztmpx(jj_sd) |
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| 513 | END DO |
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| 514 | ! |
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| 515 | END SUBROUTINE SUR_DETERMINE |
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[3294] | 516 | |
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[2956] | 517 | #else |
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| 518 | !!---------------------------------------------------------------------- |
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| 519 | !! Default case : Empty module |
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| 520 | !!---------------------------------------------------------------------- |
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| 521 | LOGICAL, PUBLIC, PARAMETER :: lk_diaharm = .FALSE. |
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| 522 | CONTAINS |
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| 523 | SUBROUTINE dia_harm ( kt ) ! Empty routine |
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| 524 | INTEGER, INTENT( IN ) :: kt |
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| 525 | WRITE(*,*) 'dia_harm: you should not have seen this print' |
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| 526 | END SUBROUTINE dia_harm |
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[4292] | 527 | #endif |
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[2956] | 528 | |
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| 529 | !!====================================================================== |
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| 530 | END MODULE diaharm |
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