[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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[2956] | 8 | USE oce ! ocean dynamics and tracers variables |
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| 9 | USE dom_oce ! ocean space and time domain |
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| 10 | USE phycst |
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| 11 | USE daymod |
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| 12 | USE tide_mod |
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[4683] | 13 | ! |
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[4292] | 14 | USE in_out_manager ! I/O units |
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| 15 | USE iom ! I/0 library |
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| 16 | USE ioipsl ! NetCDF IPSL library |
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| 17 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[3294] | 18 | USE timing ! preformance summary |
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[10425] | 19 | USE lib_mpp ! MPP library |
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[2956] | 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PRIVATE |
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| 23 | |
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[3294] | 24 | INTEGER, PARAMETER :: jpincomax = 2.*jpmax_harmo |
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| 25 | INTEGER, PARAMETER :: jpdimsparse = jpincomax*300*24 |
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[2956] | 26 | |
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[4683] | 27 | ! !!** namelist variables ** |
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[12065] | 28 | LOGICAL, PUBLIC :: ln_diaharm ! Choose tidal harmonic output or not |
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| 29 | INTEGER :: nit000_han ! First time step used for harmonic analysis |
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| 30 | INTEGER :: nitend_han ! Last time step used for harmonic analysis |
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| 31 | INTEGER :: nstep_han ! Time step frequency for harmonic analysis |
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| 32 | INTEGER :: nb_ana ! Number of harmonics to analyse |
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[2956] | 33 | |
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[4292] | 34 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: ana_temp |
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| 35 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: out_eta , out_u, out_v |
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[2956] | 36 | |
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[4292] | 37 | INTEGER :: ninco, nsparse |
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| 38 | INTEGER , DIMENSION(jpdimsparse) :: njsparse, nisparse |
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| 39 | INTEGER , SAVE, DIMENSION(jpincomax) :: ipos1 |
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| 40 | REAL(wp), DIMENSION(jpdimsparse) :: valuesparse |
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| 41 | REAL(wp), DIMENSION(jpincomax) :: ztmp4 , ztmp7 |
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| 42 | REAL(wp), SAVE, DIMENSION(jpincomax,jpincomax) :: ztmp3 , zpilier |
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| 43 | REAL(wp), SAVE, DIMENSION(jpincomax) :: zpivot |
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[3294] | 44 | |
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[4292] | 45 | CHARACTER (LEN=4), DIMENSION(jpmax_harmo) :: tname ! Names of tidal constituents ('M2', 'K1',...) |
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[2956] | 46 | |
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[12065] | 47 | PUBLIC dia_harm ! routine called by step.F90 |
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| 48 | PUBLIC dia_harm_init ! routine called by nemogcm.F90 |
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[2956] | 49 | |
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[4292] | 50 | !!---------------------------------------------------------------------- |
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[9598] | 51 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5215] | 52 | !! $Id$ |
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[10068] | 53 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[4292] | 54 | !!---------------------------------------------------------------------- |
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[2956] | 55 | CONTAINS |
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| 56 | |
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| 57 | SUBROUTINE dia_harm_init |
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| 58 | !!---------------------------------------------------------------------- |
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| 59 | !! *** ROUTINE dia_harm_init *** |
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| 60 | !! |
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| 61 | !! ** Purpose : Initialization of tidal harmonic analysis |
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| 62 | !! |
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[3038] | 63 | !! ** Method : Initialize frequency array and nodal factor for nit000_han |
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[2956] | 64 | !! |
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| 65 | !!-------------------------------------------------------------------- |
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[12065] | 66 | INTEGER :: jh, nhan, ji |
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[4147] | 67 | INTEGER :: ios ! Local integer output status for namelist read |
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[10826] | 68 | TYPE(tide_harmonic), DIMENSION(:), POINTER :: tide_harmonics ! Oscillation parameters of selected tidal components |
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[2956] | 69 | |
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[12065] | 70 | NAMELIST/nam_diaharm/ ln_diaharm, nit000_han, nitend_han, nstep_han, tname |
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[2956] | 71 | !!---------------------------------------------------------------------- |
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| 72 | |
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[3294] | 73 | IF(lwp) THEN |
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| 74 | WRITE(numout,*) |
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| 75 | WRITE(numout,*) 'dia_harm_init: Tidal harmonic analysis initialization' |
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| 76 | WRITE(numout,*) '~~~~~~~ ' |
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| 77 | ENDIF |
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| 78 | ! |
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[4147] | 79 | REWIND( numnam_ref ) ! Namelist nam_diaharm in reference namelist : Tidal harmonic analysis |
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| 80 | READ ( numnam_ref, nam_diaharm, IOSTAT = ios, ERR = 901) |
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[12065] | 81 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_diaharm in reference namelist' ) |
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[4147] | 82 | REWIND( numnam_cfg ) ! Namelist nam_diaharm in configuration namelist : Tidal harmonic analysis |
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| 83 | READ ( numnam_cfg, nam_diaharm, IOSTAT = ios, ERR = 902 ) |
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[12065] | 84 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nam_diaharm in configuration namelist' ) |
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[4624] | 85 | IF(lwm) WRITE ( numond, nam_diaharm ) |
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[3294] | 86 | ! |
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| 87 | IF(lwp) THEN |
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[12065] | 88 | WRITE(numout,*) 'Tidal diagnostics = ', ln_diaharm |
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| 89 | WRITE(numout,*) ' First time step used for analysis: nit000_han= ', nit000_han |
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| 90 | WRITE(numout,*) ' Last time step used for analysis: nitend_han= ', nitend_han |
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| 91 | WRITE(numout,*) ' Time step frequency for harmonic analysis: nstep_han = ', nstep_han |
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[2956] | 92 | ENDIF |
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| 93 | |
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[12065] | 94 | IF( ln_diaharm .AND. .NOT.ln_tide ) CALL ctl_stop( 'dia_harm_init : ln_tide must be true for harmonic analysis') |
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[2956] | 95 | |
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[12065] | 96 | IF( ln_diaharm ) THEN |
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[2956] | 97 | |
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[12065] | 98 | ! |
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| 99 | ! Basic checks on harmonic analysis time window: |
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| 100 | ! ---------------------------------------------- |
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| 101 | IF( nit000 > nit000_han ) CALL ctl_stop( 'dia_harm_init : nit000_han must be greater than nit000', & |
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| 102 | & ' restart capability not implemented' ) |
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| 103 | IF( nitend < nitend_han ) CALL ctl_stop( 'dia_harm_init : nitend_han must be lower than nitend', & |
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| 104 | & 'restart capability not implemented' ) |
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[2956] | 105 | |
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[12065] | 106 | IF( MOD( nitend_han-nit000_han+1 , nstep_han ) /= 0 ) & |
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| 107 | & CALL ctl_stop( 'dia_harm_init : analysis time span must be a multiple of nstep_han' ) |
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| 108 | ! |
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| 109 | ! Initialize oscillation parameters for tidal components that have been |
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| 110 | ! selected for harmonic analysis |
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| 111 | ! --------------------------------------------------------------------- |
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| 112 | CALL tide_init_harmonics(tname, tide_harmonics) |
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| 113 | ! Number of tidal components selected for harmonic analysis |
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| 114 | nb_ana = size(tide_harmonics) |
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| 115 | ! |
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| 116 | IF(lwp) THEN |
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| 117 | WRITE(numout,*) ' Namelist nam_diaharm' |
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| 118 | WRITE(numout,*) ' nb_ana = ', nb_ana |
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| 119 | CALL flush(numout) |
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| 120 | ENDIF |
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| 121 | ! |
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| 122 | IF (nb_ana > jpmax_harmo) THEN |
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| 123 | WRITE(ctmp1,*) ' nb_ana must be lower than jpmax_harmo' |
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| 124 | WRITE(ctmp2,*) ' jpmax_harmo= ', jpmax_harmo |
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| 125 | CALL ctl_stop( 'dia_harm_init', ctmp1, ctmp2 ) |
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| 126 | ENDIF |
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[2956] | 127 | |
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[12065] | 128 | IF(lwp) WRITE(numout,*) 'Analysed frequency : ',nb_ana ,'Frequency ' |
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[2956] | 129 | |
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[12065] | 130 | DO jh = 1, nb_ana |
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| 131 | IF(lwp) WRITE(numout,*) ' : ',tname(jh),' ',tide_harmonics(jh)%omega |
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| 132 | END DO |
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[2956] | 133 | |
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[12065] | 134 | ! Initialize temporary arrays: |
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| 135 | ! ---------------------------- |
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| 136 | ALLOCATE( ana_temp(jpi,jpj,2*nb_ana,3) ) |
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| 137 | ana_temp(:,:,:,:) = 0._wp |
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| 138 | |
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| 139 | ENDIF |
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| 140 | |
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[2956] | 141 | END SUBROUTINE dia_harm_init |
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[4292] | 142 | |
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| 143 | |
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[2956] | 144 | SUBROUTINE dia_harm ( kt ) |
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| 145 | !!---------------------------------------------------------------------- |
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| 146 | !! *** ROUTINE dia_harm *** |
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| 147 | !! |
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| 148 | !! ** Purpose : Tidal harmonic analysis main routine |
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| 149 | !! |
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[3038] | 150 | !! ** Action : Sums ssh/u/v over time analysis [nit000_han,nitend_han] |
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[2956] | 151 | !! |
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| 152 | !!-------------------------------------------------------------------- |
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| 153 | INTEGER, INTENT( IN ) :: kt |
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[4292] | 154 | ! |
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[3294] | 155 | INTEGER :: ji, jj, jh, jc, nhc |
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[2956] | 156 | REAL(wp) :: ztime, ztemp |
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[3294] | 157 | !!-------------------------------------------------------------------- |
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[9124] | 158 | IF( ln_timing ) CALL timing_start('dia_harm') |
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| 159 | ! |
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[4683] | 160 | IF( kt >= nit000_han .AND. kt <= nitend_han .AND. MOD(kt,nstep_han) == 0 ) THEN |
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[9124] | 161 | ! |
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[4683] | 162 | ztime = (kt-nit000+1) * rdt |
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[9124] | 163 | ! |
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[4683] | 164 | nhc = 0 |
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| 165 | DO jh = 1, nb_ana |
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| 166 | DO jc = 1, 2 |
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| 167 | nhc = nhc+1 |
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[10822] | 168 | ztemp =( MOD(jc,2) * tide_harmonics(jh)%f *COS(tide_harmonics(jh)%omega*ztime + & |
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| 169 | & tide_harmonics(jh)%v0 + tide_harmonics(jh)%u) & |
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| 170 | & +(1.-MOD(jc,2))* tide_harmonics(jh)%f *SIN(tide_harmonics(jh)%omega*ztime + & |
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| 171 | & tide_harmonics(jh)%v0 + tide_harmonics(jh)%u)) |
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[9124] | 172 | ! |
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[4990] | 173 | DO jj = 1,jpj |
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| 174 | DO ji = 1,jpi |
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[4683] | 175 | ! Elevation |
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[6140] | 176 | ana_temp(ji,jj,nhc,1) = ana_temp(ji,jj,nhc,1) + ztemp*sshn(ji,jj)*ssmask (ji,jj) |
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| 177 | ana_temp(ji,jj,nhc,2) = ana_temp(ji,jj,nhc,2) + ztemp*un_b(ji,jj)*ssumask(ji,jj) |
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| 178 | 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] | 179 | END DO |
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| 180 | END DO |
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| 181 | ! |
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[2956] | 182 | END DO |
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[4683] | 183 | END DO |
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| 184 | ! |
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[2956] | 185 | END IF |
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[9124] | 186 | ! |
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| 187 | IF( kt == nitend_han ) CALL dia_harm_end |
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| 188 | ! |
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| 189 | IF( ln_timing ) CALL timing_stop('dia_harm') |
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| 190 | ! |
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[2956] | 191 | END SUBROUTINE dia_harm |
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| 192 | |
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[4292] | 193 | |
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[2956] | 194 | SUBROUTINE dia_harm_end |
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| 195 | !!---------------------------------------------------------------------- |
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| 196 | !! *** ROUTINE diaharm_end *** |
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| 197 | !! |
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[3038] | 198 | !! ** Purpose : Compute the Real and Imaginary part of tidal constituents |
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[2956] | 199 | !! |
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[3038] | 200 | !! ** Action : Decompose the signal on the harmonic constituents |
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[2956] | 201 | !! |
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| 202 | !!-------------------------------------------------------------------- |
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| 203 | INTEGER :: ji, jj, jh, jc, jn, nhan, jl |
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| 204 | INTEGER :: ksp, kun, keq |
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| 205 | REAL(wp) :: ztime, ztime_ini, ztime_end |
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[9124] | 206 | REAL(wp) :: X1, X2 |
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| 207 | REAL(wp), DIMENSION(jpi,jpj,jpmax_harmo,2) :: ana_amp ! workspace |
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[3294] | 208 | !!-------------------------------------------------------------------- |
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[9124] | 209 | ! |
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[3294] | 210 | IF(lwp) WRITE(numout,*) |
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| 211 | IF(lwp) WRITE(numout,*) 'anharmo_end: kt=nitend_han: Perform harmonic analysis' |
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| 212 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~' |
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[2956] | 213 | |
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[3294] | 214 | ztime_ini = nit000_han*rdt ! Initial time in seconds at the beginning of analysis |
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| 215 | ztime_end = nitend_han*rdt ! Final time in seconds at the end of analysis |
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| 216 | nhan = (nitend_han-nit000_han+1)/nstep_han ! Number of dumps used for analysis |
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[2956] | 217 | |
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[3294] | 218 | ninco = 2*nb_ana |
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[2956] | 219 | |
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[3294] | 220 | ksp = 0 |
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| 221 | keq = 0 |
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| 222 | DO jn = 1, nhan |
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| 223 | ztime=( (nhan-jn)*ztime_ini + (jn-1)*ztime_end )/FLOAT(nhan-1) |
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| 224 | keq = keq + 1 |
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| 225 | kun = 0 |
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[4683] | 226 | DO jh = 1, nb_ana |
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| 227 | DO jc = 1, 2 |
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[3294] | 228 | kun = kun + 1 |
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| 229 | ksp = ksp + 1 |
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| 230 | nisparse(ksp) = keq |
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| 231 | njsparse(ksp) = kun |
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[10822] | 232 | valuesparse(ksp) = ( MOD(jc,2) * tide_harmonics(jh)%f * COS(tide_harmonics(jh)%omega*ztime & |
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| 233 | & + tide_harmonics(jh)%v0 + tide_harmonics(jh)%u) & |
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| 234 | & + (1.-MOD(jc,2))* tide_harmonics(jh)%f * SIN(tide_harmonics(jh)%omega*ztime & |
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| 235 | & + tide_harmonics(jh)%v0 + tide_harmonics(jh)%u) ) |
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[2956] | 236 | END DO |
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[3294] | 237 | END DO |
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| 238 | END DO |
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[2956] | 239 | |
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[4292] | 240 | nsparse = ksp |
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[2956] | 241 | |
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[3294] | 242 | ! Elevation: |
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| 243 | DO jj = 1, jpj |
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| 244 | DO ji = 1, jpi |
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[2956] | 245 | ! Fill input array |
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[4292] | 246 | kun = 0 |
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| 247 | DO jh = 1, nb_ana |
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| 248 | DO jc = 1, 2 |
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[3294] | 249 | kun = kun + 1 |
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| 250 | ztmp4(kun)=ana_temp(ji,jj,kun,1) |
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[4292] | 251 | END DO |
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| 252 | END DO |
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[2956] | 253 | |
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| 254 | CALL SUR_DETERMINE(jj) |
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| 255 | |
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| 256 | ! Fill output array |
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| 257 | DO jh = 1, nb_ana |
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[3294] | 258 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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| 259 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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[2956] | 260 | END DO |
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[3294] | 261 | END DO |
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| 262 | END DO |
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[2956] | 263 | |
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[4292] | 264 | ALLOCATE( out_eta(jpi,jpj,2*nb_ana), & |
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| 265 | & out_u (jpi,jpj,2*nb_ana), & |
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| 266 | & out_v (jpi,jpj,2*nb_ana) ) |
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[2956] | 267 | |
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[3294] | 268 | DO jj = 1, jpj |
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| 269 | DO ji = 1, jpi |
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[2956] | 270 | DO jh = 1, nb_ana |
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[4292] | 271 | X1 = ana_amp(ji,jj,jh,1) |
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| 272 | X2 =-ana_amp(ji,jj,jh,2) |
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[4990] | 273 | out_eta(ji,jj,jh ) = X1 * tmask_i(ji,jj) |
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| 274 | out_eta(ji,jj,jh+nb_ana) = X2 * tmask_i(ji,jj) |
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[4683] | 275 | END DO |
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| 276 | END DO |
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| 277 | END DO |
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[2956] | 278 | |
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[3294] | 279 | ! ubar: |
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| 280 | DO jj = 1, jpj |
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| 281 | DO ji = 1, jpi |
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[2956] | 282 | ! Fill input array |
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| 283 | kun=0 |
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| 284 | DO jh = 1,nb_ana |
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[3294] | 285 | DO jc = 1,2 |
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| 286 | kun = kun + 1 |
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| 287 | ztmp4(kun)=ana_temp(ji,jj,kun,2) |
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[4683] | 288 | END DO |
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| 289 | END DO |
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[2956] | 290 | |
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| 291 | CALL SUR_DETERMINE(jj+1) |
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| 292 | |
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| 293 | ! Fill output array |
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| 294 | DO jh = 1, nb_ana |
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[4683] | 295 | ana_amp(ji,jj,jh,1) = ztmp7((jh-1)*2+1) |
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| 296 | ana_amp(ji,jj,jh,2) = ztmp7((jh-1)*2+2) |
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[2956] | 297 | END DO |
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| 298 | |
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[3294] | 299 | END DO |
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| 300 | END DO |
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[2956] | 301 | |
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[3294] | 302 | DO jj = 1, jpj |
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| 303 | DO ji = 1, jpi |
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[2956] | 304 | DO jh = 1, nb_ana |
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[4990] | 305 | X1= ana_amp(ji,jj,jh,1) |
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| 306 | X2=-ana_amp(ji,jj,jh,2) |
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[6140] | 307 | out_u(ji,jj, jh) = X1 * ssumask(ji,jj) |
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| 308 | out_u(ji,jj,nb_ana+jh) = X2 * ssumask(ji,jj) |
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[4990] | 309 | ENDDO |
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| 310 | ENDDO |
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| 311 | ENDDO |
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[2956] | 312 | |
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[3294] | 313 | ! vbar: |
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| 314 | DO jj = 1, jpj |
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| 315 | DO ji = 1, jpi |
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| 316 | ! Fill input array |
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| 317 | kun=0 |
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| 318 | DO jh = 1,nb_ana |
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| 319 | DO jc = 1,2 |
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[2956] | 320 | kun = kun + 1 |
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[3294] | 321 | ztmp4(kun)=ana_temp(ji,jj,kun,3) |
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[4683] | 322 | END DO |
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| 323 | END DO |
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[2956] | 324 | |
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[3294] | 325 | CALL SUR_DETERMINE(jj+1) |
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[2956] | 326 | |
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[3294] | 327 | ! Fill output array |
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| 328 | DO jh = 1, nb_ana |
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| 329 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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| 330 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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| 331 | END DO |
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[2956] | 332 | |
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[3294] | 333 | END DO |
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| 334 | END DO |
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[2956] | 335 | |
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[3294] | 336 | DO jj = 1, jpj |
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| 337 | DO ji = 1, jpi |
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[2956] | 338 | DO jh = 1, nb_ana |
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[3294] | 339 | X1=ana_amp(ji,jj,jh,1) |
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| 340 | X2=-ana_amp(ji,jj,jh,2) |
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[6140] | 341 | out_v(ji,jj, jh)=X1 * ssvmask(ji,jj) |
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| 342 | out_v(ji,jj,nb_ana+jh)=X2 * ssvmask(ji,jj) |
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[4683] | 343 | END DO |
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| 344 | END DO |
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| 345 | END DO |
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[9124] | 346 | ! |
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[3294] | 347 | CALL dia_wri_harm ! Write results in files |
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| 348 | ! |
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| 349 | END SUBROUTINE dia_harm_end |
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[2956] | 350 | |
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[4292] | 351 | |
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[3294] | 352 | SUBROUTINE dia_wri_harm |
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[2956] | 353 | !!-------------------------------------------------------------------- |
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| 354 | !! *** ROUTINE dia_wri_harm *** |
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| 355 | !! |
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| 356 | !! ** Purpose : Write tidal harmonic analysis results in a netcdf file |
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| 357 | !!-------------------------------------------------------------------- |
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| 358 | CHARACTER(LEN=lc) :: cltext |
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| 359 | CHARACTER(LEN=lc) :: & |
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[3294] | 360 | cdfile_name_T , & ! name of the file created (T-points) |
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| 361 | cdfile_name_U , & ! name of the file created (U-points) |
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| 362 | cdfile_name_V ! name of the file created (V-points) |
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| 363 | INTEGER :: jh |
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[2956] | 364 | !!---------------------------------------------------------------------- |
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| 365 | |
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| 366 | IF(lwp) WRITE(numout,*) ' ' |
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[3294] | 367 | IF(lwp) WRITE(numout,*) 'dia_wri_harm : Write harmonic analysis results' |
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[2956] | 368 | IF(lwp) WRITE(numout,*) ' ' |
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| 369 | |
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| 370 | ! A) Elevation |
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| 371 | !///////////// |
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| 372 | ! |
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| 373 | DO jh = 1, nb_ana |
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| 374 | CALL iom_put( TRIM(tname(jh))//'x', out_eta(:,:,jh) ) |
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| 375 | CALL iom_put( TRIM(tname(jh))//'y', out_eta(:,:,nb_ana+jh) ) |
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| 376 | END DO |
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| 377 | |
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| 378 | ! B) ubar |
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| 379 | !///////// |
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| 380 | ! |
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| 381 | DO jh = 1, nb_ana |
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| 382 | CALL iom_put( TRIM(tname(jh))//'x_u', out_u(:,:,jh) ) |
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| 383 | CALL iom_put( TRIM(tname(jh))//'y_u', out_u(:,:,nb_ana+jh) ) |
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| 384 | END DO |
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| 385 | |
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| 386 | ! C) vbar |
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| 387 | !///////// |
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| 388 | ! |
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| 389 | DO jh = 1, nb_ana |
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[4683] | 390 | CALL iom_put( TRIM(tname(jh))//'x_v', out_v(:,:,jh ) ) |
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| 391 | CALL iom_put( TRIM(tname(jh))//'y_v', out_v(:,:,jh+nb_ana) ) |
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[2956] | 392 | END DO |
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[4683] | 393 | ! |
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[3294] | 394 | END SUBROUTINE dia_wri_harm |
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[2956] | 395 | |
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[4292] | 396 | |
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[3294] | 397 | SUBROUTINE SUR_DETERMINE(init) |
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[4683] | 398 | !!--------------------------------------------------------------------------------- |
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| 399 | !! *** ROUTINE SUR_DETERMINE *** |
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| 400 | !! |
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| 401 | !! |
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| 402 | !! |
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| 403 | !!--------------------------------------------------------------------------------- |
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| 404 | INTEGER, INTENT(in) :: init |
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| 405 | ! |
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[12065] | 406 | INTEGER :: ji_sd, jj_sd, ji1_sd, ji2_sd, jh1_sd, jh2_sd |
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[4683] | 407 | REAL(wp) :: zval1, zval2, zx1 |
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[9124] | 408 | REAL(wp), DIMENSION(jpincomax) :: ztmpx, zcol1, zcol2 |
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| 409 | INTEGER , DIMENSION(jpincomax) :: ipos2, ipivot |
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[4683] | 410 | !--------------------------------------------------------------------------------- |
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[9124] | 411 | ! |
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[4683] | 412 | IF( init == 1 ) THEN |
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| 413 | IF( nsparse > jpdimsparse ) CALL ctl_stop( 'STOP', 'SUR_DETERMINE : nsparse .GT. jpdimsparse') |
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| 414 | IF( ninco > jpincomax ) CALL ctl_stop( 'STOP', 'SUR_DETERMINE : ninco .GT. jpincomax') |
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| 415 | ! |
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| 416 | ztmp3(:,:) = 0._wp |
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| 417 | ! |
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[12065] | 418 | DO jh1_sd = 1, nsparse |
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| 419 | DO jh2_sd = 1, nsparse |
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| 420 | nisparse(jh2_sd) = nisparse(jh2_sd) |
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| 421 | njsparse(jh2_sd) = njsparse(jh2_sd) |
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| 422 | IF( nisparse(jh2_sd) == nisparse(jh1_sd) ) THEN |
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| 423 | ztmp3(njsparse(jh1_sd),njsparse(jh2_sd)) = ztmp3(njsparse(jh1_sd),njsparse(jh2_sd)) & |
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| 424 | & + valuesparse(jh1_sd)*valuesparse(jh2_sd) |
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[4683] | 425 | ENDIF |
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| 426 | END DO |
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[4292] | 427 | END DO |
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[4683] | 428 | ! |
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| 429 | DO jj_sd = 1 ,ninco |
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| 430 | ipos1(jj_sd) = jj_sd |
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| 431 | ipos2(jj_sd) = jj_sd |
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| 432 | END DO |
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| 433 | ! |
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| 434 | DO ji_sd = 1 , ninco |
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| 435 | ! |
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| 436 | !find greatest non-zero pivot: |
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| 437 | zval1 = ABS(ztmp3(ji_sd,ji_sd)) |
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| 438 | ! |
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| 439 | ipivot(ji_sd) = ji_sd |
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| 440 | DO jj_sd = ji_sd, ninco |
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| 441 | zval2 = ABS(ztmp3(ji_sd,jj_sd)) |
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[6140] | 442 | IF( zval2 >= zval1 )THEN |
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[4683] | 443 | ipivot(ji_sd) = jj_sd |
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| 444 | zval1 = zval2 |
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| 445 | ENDIF |
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| 446 | END DO |
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| 447 | ! |
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| 448 | DO ji1_sd = 1, ninco |
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| 449 | zcol1(ji1_sd) = ztmp3(ji1_sd,ji_sd) |
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| 450 | zcol2(ji1_sd) = ztmp3(ji1_sd,ipivot(ji_sd)) |
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| 451 | ztmp3(ji1_sd,ji_sd) = zcol2(ji1_sd) |
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| 452 | ztmp3(ji1_sd,ipivot(ji_sd)) = zcol1(ji1_sd) |
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| 453 | END DO |
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| 454 | ! |
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| 455 | ipos2(ji_sd) = ipos1(ipivot(ji_sd)) |
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| 456 | ipos2(ipivot(ji_sd)) = ipos1(ji_sd) |
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| 457 | ipos1(ji_sd) = ipos2(ji_sd) |
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| 458 | ipos1(ipivot(ji_sd)) = ipos2(ipivot(ji_sd)) |
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| 459 | zpivot(ji_sd) = ztmp3(ji_sd,ji_sd) |
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| 460 | DO jj_sd = 1, ninco |
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| 461 | ztmp3(ji_sd,jj_sd) = ztmp3(ji_sd,jj_sd) / zpivot(ji_sd) |
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| 462 | END DO |
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| 463 | ! |
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| 464 | DO ji2_sd = ji_sd+1, ninco |
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| 465 | zpilier(ji2_sd,ji_sd)=ztmp3(ji2_sd,ji_sd) |
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| 466 | DO jj_sd=1,ninco |
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| 467 | ztmp3(ji2_sd,jj_sd)= ztmp3(ji2_sd,jj_sd) - ztmp3(ji_sd,jj_sd) * zpilier(ji2_sd,ji_sd) |
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| 468 | END DO |
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| 469 | END DO |
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| 470 | ! |
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| 471 | END DO |
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| 472 | ! |
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| 473 | ENDIF ! End init==1 |
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[3294] | 474 | |
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[4683] | 475 | DO ji_sd = 1, ninco |
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| 476 | ztmp4(ji_sd) = ztmp4(ji_sd) / zpivot(ji_sd) |
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[3294] | 477 | DO ji2_sd = ji_sd+1, ninco |
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[4683] | 478 | ztmp4(ji2_sd) = ztmp4(ji2_sd) - ztmp4(ji_sd) * zpilier(ji2_sd,ji_sd) |
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| 479 | END DO |
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| 480 | END DO |
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[3294] | 481 | |
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[4683] | 482 | !system solving: |
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| 483 | ztmpx(ninco) = ztmp4(ninco) / ztmp3(ninco,ninco) |
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| 484 | ji_sd = ninco |
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| 485 | DO ji_sd = ninco-1, 1, -1 |
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| 486 | zx1 = 0._wp |
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| 487 | DO jj_sd = ji_sd+1, ninco |
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| 488 | zx1 = zx1 + ztmpx(jj_sd) * ztmp3(ji_sd,jj_sd) |
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| 489 | END DO |
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| 490 | ztmpx(ji_sd) = ztmp4(ji_sd)-zx1 |
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| 491 | END DO |
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[3294] | 492 | |
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[4683] | 493 | DO jj_sd =1, ninco |
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| 494 | ztmp7(ipos1(jj_sd))=ztmpx(jj_sd) |
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| 495 | END DO |
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| 496 | ! |
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| 497 | END SUBROUTINE SUR_DETERMINE |
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[3294] | 498 | |
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[2956] | 499 | !!====================================================================== |
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| 500 | END MODULE diaharm |
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