[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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[7646] | 13 | USE sbctide ! Tidal forcing or not |
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[4683] | 14 | ! |
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[4292] | 15 | USE in_out_manager ! I/O units |
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| 16 | USE iom ! I/0 library |
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| 17 | USE ioipsl ! NetCDF IPSL library |
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| 18 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[3294] | 19 | USE timing ! preformance summary |
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[10425] | 20 | USE lib_mpp ! MPP library |
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[2956] | 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | PRIVATE |
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| 24 | |
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[3294] | 25 | INTEGER, PARAMETER :: jpincomax = 2.*jpmax_harmo |
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| 26 | INTEGER, PARAMETER :: jpdimsparse = jpincomax*300*24 |
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[2956] | 27 | |
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[4683] | 28 | ! !!** namelist variables ** |
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[12178] | 29 | LOGICAL, PUBLIC :: ln_diaharm ! Choose tidal harmonic output or not |
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| 30 | INTEGER :: nit000_han ! First time step used for harmonic analysis |
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| 31 | INTEGER :: nitend_han ! Last time step used for harmonic analysis |
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| 32 | INTEGER :: nstep_han ! Time step frequency for harmonic analysis |
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| 33 | INTEGER :: nb_ana ! Number of harmonics to analyse |
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[2956] | 34 | |
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[4292] | 35 | INTEGER , ALLOCATABLE, DIMENSION(:) :: name |
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| 36 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: ana_temp |
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| 37 | REAL(wp), ALLOCATABLE, DIMENSION(:) :: ana_freq, ut , vt , ft |
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| 38 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: out_eta , out_u, out_v |
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[2956] | 39 | |
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[4292] | 40 | INTEGER :: ninco, nsparse |
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| 41 | INTEGER , DIMENSION(jpdimsparse) :: njsparse, nisparse |
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| 42 | INTEGER , SAVE, DIMENSION(jpincomax) :: ipos1 |
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| 43 | REAL(wp), DIMENSION(jpdimsparse) :: valuesparse |
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| 44 | REAL(wp), DIMENSION(jpincomax) :: ztmp4 , ztmp7 |
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| 45 | REAL(wp), SAVE, DIMENSION(jpincomax,jpincomax) :: ztmp3 , zpilier |
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| 46 | REAL(wp), SAVE, DIMENSION(jpincomax) :: zpivot |
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[3294] | 47 | |
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[4292] | 48 | CHARACTER (LEN=4), DIMENSION(jpmax_harmo) :: tname ! Names of tidal constituents ('M2', 'K1',...) |
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[2956] | 49 | |
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[12178] | 50 | PUBLIC dia_harm ! routine called by step.F90 |
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| 51 | PUBLIC dia_harm_init ! routine called by nemogcm.F90 |
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[2956] | 52 | |
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[4292] | 53 | !!---------------------------------------------------------------------- |
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[9598] | 54 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[5215] | 55 | !! $Id$ |
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[10068] | 56 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[4292] | 57 | !!---------------------------------------------------------------------- |
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[2956] | 58 | CONTAINS |
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| 59 | |
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| 60 | SUBROUTINE dia_harm_init |
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| 61 | !!---------------------------------------------------------------------- |
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| 62 | !! *** ROUTINE dia_harm_init *** |
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| 63 | !! |
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| 64 | !! ** Purpose : Initialization of tidal harmonic analysis |
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| 65 | !! |
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[3038] | 66 | !! ** Method : Initialize frequency array and nodal factor for nit000_han |
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[2956] | 67 | !! |
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| 68 | !!-------------------------------------------------------------------- |
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[12178] | 69 | INTEGER :: jh, nhan, ji |
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[4147] | 70 | INTEGER :: ios ! Local integer output status for namelist read |
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[2956] | 71 | |
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[12178] | 72 | NAMELIST/nam_diaharm/ ln_diaharm, nit000_han, nitend_han, nstep_han, tname |
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[2956] | 73 | !!---------------------------------------------------------------------- |
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| 74 | |
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[3294] | 75 | IF(lwp) THEN |
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| 76 | WRITE(numout,*) |
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| 77 | WRITE(numout,*) 'dia_harm_init: Tidal harmonic analysis initialization' |
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| 78 | WRITE(numout,*) '~~~~~~~ ' |
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| 79 | ENDIF |
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| 80 | ! |
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[4147] | 81 | REWIND( numnam_ref ) ! Namelist nam_diaharm in reference namelist : Tidal harmonic analysis |
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| 82 | READ ( numnam_ref, nam_diaharm, IOSTAT = ios, ERR = 901) |
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[12178] | 83 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_diaharm in reference namelist' ) |
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[4147] | 84 | REWIND( numnam_cfg ) ! Namelist nam_diaharm in configuration namelist : Tidal harmonic analysis |
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| 85 | READ ( numnam_cfg, nam_diaharm, IOSTAT = ios, ERR = 902 ) |
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[12178] | 86 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nam_diaharm in configuration namelist' ) |
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[4624] | 87 | IF(lwm) WRITE ( numond, nam_diaharm ) |
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[3294] | 88 | ! |
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| 89 | IF(lwp) THEN |
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[12178] | 90 | WRITE(numout,*) 'Tidal diagnostics = ', ln_diaharm |
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| 91 | WRITE(numout,*) ' First time step used for analysis: nit000_han= ', nit000_han |
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| 92 | WRITE(numout,*) ' Last time step used for analysis: nitend_han= ', nitend_han |
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| 93 | WRITE(numout,*) ' Time step frequency for harmonic analysis: nstep_han = ', nstep_han |
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[2956] | 94 | ENDIF |
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| 95 | |
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[12178] | 96 | 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] | 97 | |
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[12178] | 98 | IF( ln_diaharm ) THEN |
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[2956] | 99 | |
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[12178] | 100 | CALL tide_init_Wave |
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| 101 | ! |
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| 102 | ! Basic checks on harmonic analysis time window: |
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| 103 | ! ---------------------------------------------- |
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| 104 | IF( nit000 > nit000_han ) CALL ctl_stop( 'dia_harm_init : nit000_han must be greater than nit000', & |
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| 105 | & ' restart capability not implemented' ) |
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| 106 | IF( nitend < nitend_han ) CALL ctl_stop( 'dia_harm_init : nitend_han must be lower than nitend', & |
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| 107 | & 'restart capability not implemented' ) |
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| 108 | |
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| 109 | IF( MOD( nitend_han-nit000_han+1 , nstep_han ) /= 0 ) & |
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| 110 | & CALL ctl_stop( 'dia_harm_init : analysis time span must be a multiple of nstep_han' ) |
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| 111 | ! |
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| 112 | nb_ana = 0 |
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| 113 | DO jh=1,jpmax_harmo |
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| 114 | DO ji=1,jpmax_harmo |
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| 115 | IF(TRIM(tname(jh)) == Wave(ji)%cname_tide) THEN |
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| 116 | nb_ana=nb_ana+1 |
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| 117 | ENDIF |
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| 118 | END DO |
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[3294] | 119 | END DO |
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[12178] | 120 | ! |
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| 121 | IF(lwp) THEN |
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| 122 | WRITE(numout,*) ' Namelist nam_diaharm' |
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| 123 | WRITE(numout,*) ' nb_ana = ', nb_ana |
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| 124 | CALL flush(numout) |
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| 125 | ENDIF |
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| 126 | ! |
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| 127 | IF (nb_ana > jpmax_harmo) THEN |
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| 128 | WRITE(ctmp1,*) ' nb_ana must be lower than jpmax_harmo' |
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| 129 | WRITE(ctmp2,*) ' jpmax_harmo= ', jpmax_harmo |
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| 130 | CALL ctl_stop( 'dia_harm_init', ctmp1, ctmp2 ) |
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| 131 | ENDIF |
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[2956] | 132 | |
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[12178] | 133 | ALLOCATE(name (nb_ana)) |
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| 134 | DO jh=1,nb_ana |
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| 135 | DO ji=1,jpmax_harmo |
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| 136 | IF (TRIM(tname(jh)) == Wave(ji)%cname_tide) THEN |
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| 137 | name(jh) = ji |
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| 138 | EXIT |
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| 139 | END IF |
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| 140 | END DO |
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| 141 | END DO |
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[2956] | 142 | |
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[12178] | 143 | ! Initialize frequency array: |
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| 144 | ! --------------------------- |
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| 145 | ALLOCATE( ana_freq(nb_ana), ut(nb_ana), vt(nb_ana), ft(nb_ana) ) |
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[2956] | 146 | |
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[12178] | 147 | CALL tide_harmo( ana_freq, vt, ut, ft, name, nb_ana ) |
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[2956] | 148 | |
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[12178] | 149 | IF(lwp) WRITE(numout,*) 'Analysed frequency : ',nb_ana ,'Frequency ' |
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[2956] | 150 | |
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[12178] | 151 | DO jh = 1, nb_ana |
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| 152 | IF(lwp) WRITE(numout,*) ' : ',tname(jh),' ',ana_freq(jh) |
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| 153 | END DO |
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[2956] | 154 | |
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[12178] | 155 | ! Initialize temporary arrays: |
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| 156 | ! ---------------------------- |
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| 157 | ALLOCATE( ana_temp(jpi,jpj,2*nb_ana,3) ) |
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| 158 | ana_temp(:,:,:,:) = 0._wp |
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[2956] | 159 | |
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[12178] | 160 | ENDIF |
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| 161 | |
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[2956] | 162 | END SUBROUTINE dia_harm_init |
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[4292] | 163 | |
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| 164 | |
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[2956] | 165 | SUBROUTINE dia_harm ( kt ) |
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| 166 | !!---------------------------------------------------------------------- |
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| 167 | !! *** ROUTINE dia_harm *** |
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| 168 | !! |
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| 169 | !! ** Purpose : Tidal harmonic analysis main routine |
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| 170 | !! |
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[3038] | 171 | !! ** Action : Sums ssh/u/v over time analysis [nit000_han,nitend_han] |
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[2956] | 172 | !! |
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| 173 | !!-------------------------------------------------------------------- |
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| 174 | INTEGER, INTENT( IN ) :: kt |
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[4292] | 175 | ! |
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[3294] | 176 | INTEGER :: ji, jj, jh, jc, nhc |
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[2956] | 177 | REAL(wp) :: ztime, ztemp |
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[3294] | 178 | !!-------------------------------------------------------------------- |
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[9124] | 179 | IF( ln_timing ) CALL timing_start('dia_harm') |
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| 180 | ! |
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[4683] | 181 | IF( kt >= nit000_han .AND. kt <= nitend_han .AND. MOD(kt,nstep_han) == 0 ) THEN |
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[9124] | 182 | ! |
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[4683] | 183 | ztime = (kt-nit000+1) * rdt |
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[9124] | 184 | ! |
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[4683] | 185 | nhc = 0 |
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| 186 | DO jh = 1, nb_ana |
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| 187 | DO jc = 1, 2 |
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| 188 | nhc = nhc+1 |
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| 189 | ztemp =( MOD(jc,2) * ft(jh) *COS(ana_freq(jh)*ztime + vt(jh) + ut(jh)) & |
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| 190 | & +(1.-MOD(jc,2))* ft(jh) *SIN(ana_freq(jh)*ztime + vt(jh) + ut(jh))) |
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[9124] | 191 | ! |
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[4990] | 192 | DO jj = 1,jpj |
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| 193 | DO ji = 1,jpi |
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[4683] | 194 | ! Elevation |
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[6140] | 195 | ana_temp(ji,jj,nhc,1) = ana_temp(ji,jj,nhc,1) + ztemp*sshn(ji,jj)*ssmask (ji,jj) |
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| 196 | ana_temp(ji,jj,nhc,2) = ana_temp(ji,jj,nhc,2) + ztemp*un_b(ji,jj)*ssumask(ji,jj) |
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| 197 | 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] | 198 | END DO |
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| 199 | END DO |
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| 200 | ! |
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[2956] | 201 | END DO |
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[4683] | 202 | END DO |
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| 203 | ! |
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[2956] | 204 | END IF |
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[9124] | 205 | ! |
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| 206 | IF( kt == nitend_han ) CALL dia_harm_end |
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| 207 | ! |
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| 208 | IF( ln_timing ) CALL timing_stop('dia_harm') |
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| 209 | ! |
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[2956] | 210 | END SUBROUTINE dia_harm |
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| 211 | |
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[4292] | 212 | |
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[2956] | 213 | SUBROUTINE dia_harm_end |
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| 214 | !!---------------------------------------------------------------------- |
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| 215 | !! *** ROUTINE diaharm_end *** |
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| 216 | !! |
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[3038] | 217 | !! ** Purpose : Compute the Real and Imaginary part of tidal constituents |
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[2956] | 218 | !! |
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[3038] | 219 | !! ** Action : Decompose the signal on the harmonic constituents |
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[2956] | 220 | !! |
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| 221 | !!-------------------------------------------------------------------- |
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| 222 | INTEGER :: ji, jj, jh, jc, jn, nhan, jl |
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| 223 | INTEGER :: ksp, kun, keq |
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| 224 | REAL(wp) :: ztime, ztime_ini, ztime_end |
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[9124] | 225 | REAL(wp) :: X1, X2 |
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| 226 | REAL(wp), DIMENSION(jpi,jpj,jpmax_harmo,2) :: ana_amp ! workspace |
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[3294] | 227 | !!-------------------------------------------------------------------- |
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[9124] | 228 | ! |
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[3294] | 229 | IF(lwp) WRITE(numout,*) |
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| 230 | IF(lwp) WRITE(numout,*) 'anharmo_end: kt=nitend_han: Perform harmonic analysis' |
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| 231 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~' |
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[2956] | 232 | |
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[3294] | 233 | ztime_ini = nit000_han*rdt ! Initial time in seconds at the beginning of analysis |
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| 234 | ztime_end = nitend_han*rdt ! Final time in seconds at the end of analysis |
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| 235 | nhan = (nitend_han-nit000_han+1)/nstep_han ! Number of dumps used for analysis |
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[2956] | 236 | |
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[3294] | 237 | ninco = 2*nb_ana |
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[2956] | 238 | |
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[3294] | 239 | ksp = 0 |
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| 240 | keq = 0 |
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| 241 | DO jn = 1, nhan |
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| 242 | ztime=( (nhan-jn)*ztime_ini + (jn-1)*ztime_end )/FLOAT(nhan-1) |
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| 243 | keq = keq + 1 |
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| 244 | kun = 0 |
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[4683] | 245 | DO jh = 1, nb_ana |
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| 246 | DO jc = 1, 2 |
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[3294] | 247 | kun = kun + 1 |
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| 248 | ksp = ksp + 1 |
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| 249 | nisparse(ksp) = keq |
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| 250 | njsparse(ksp) = kun |
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[4292] | 251 | valuesparse(ksp) = ( MOD(jc,2) * ft(jh) * COS(ana_freq(jh)*ztime + vt(jh) + ut(jh)) & |
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| 252 | & + (1.-MOD(jc,2))* ft(jh) * SIN(ana_freq(jh)*ztime + vt(jh) + ut(jh)) ) |
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[2956] | 253 | END DO |
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[3294] | 254 | END DO |
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| 255 | END DO |
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[2956] | 256 | |
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[4292] | 257 | nsparse = ksp |
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[2956] | 258 | |
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[3294] | 259 | ! Elevation: |
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| 260 | DO jj = 1, jpj |
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| 261 | DO ji = 1, jpi |
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[2956] | 262 | ! Fill input array |
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[4292] | 263 | kun = 0 |
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| 264 | DO jh = 1, nb_ana |
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| 265 | DO jc = 1, 2 |
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[3294] | 266 | kun = kun + 1 |
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| 267 | ztmp4(kun)=ana_temp(ji,jj,kun,1) |
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[4292] | 268 | END DO |
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| 269 | END DO |
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[2956] | 270 | |
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| 271 | CALL SUR_DETERMINE(jj) |
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| 272 | |
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| 273 | ! Fill output array |
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| 274 | DO jh = 1, nb_ana |
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[3294] | 275 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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| 276 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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[2956] | 277 | END DO |
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[3294] | 278 | END DO |
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| 279 | END DO |
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[2956] | 280 | |
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[4292] | 281 | ALLOCATE( out_eta(jpi,jpj,2*nb_ana), & |
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| 282 | & out_u (jpi,jpj,2*nb_ana), & |
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| 283 | & out_v (jpi,jpj,2*nb_ana) ) |
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[2956] | 284 | |
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[3294] | 285 | DO jj = 1, jpj |
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| 286 | DO ji = 1, jpi |
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[2956] | 287 | DO jh = 1, nb_ana |
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[4292] | 288 | X1 = ana_amp(ji,jj,jh,1) |
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| 289 | X2 =-ana_amp(ji,jj,jh,2) |
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[4990] | 290 | out_eta(ji,jj,jh ) = X1 * tmask_i(ji,jj) |
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| 291 | out_eta(ji,jj,jh+nb_ana) = X2 * tmask_i(ji,jj) |
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[4683] | 292 | END DO |
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| 293 | END DO |
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| 294 | END DO |
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[2956] | 295 | |
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[3294] | 296 | ! ubar: |
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| 297 | DO jj = 1, jpj |
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| 298 | DO ji = 1, jpi |
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[2956] | 299 | ! Fill input array |
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| 300 | kun=0 |
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| 301 | DO jh = 1,nb_ana |
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[3294] | 302 | DO jc = 1,2 |
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| 303 | kun = kun + 1 |
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| 304 | ztmp4(kun)=ana_temp(ji,jj,kun,2) |
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[4683] | 305 | END DO |
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| 306 | END DO |
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[2956] | 307 | |
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| 308 | CALL SUR_DETERMINE(jj+1) |
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| 309 | |
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| 310 | ! Fill output array |
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| 311 | DO jh = 1, nb_ana |
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[4683] | 312 | ana_amp(ji,jj,jh,1) = ztmp7((jh-1)*2+1) |
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| 313 | ana_amp(ji,jj,jh,2) = ztmp7((jh-1)*2+2) |
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[2956] | 314 | END DO |
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| 315 | |
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[3294] | 316 | END DO |
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| 317 | END DO |
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[2956] | 318 | |
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[3294] | 319 | DO jj = 1, jpj |
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| 320 | DO ji = 1, jpi |
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[2956] | 321 | DO jh = 1, nb_ana |
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[4990] | 322 | X1= ana_amp(ji,jj,jh,1) |
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| 323 | X2=-ana_amp(ji,jj,jh,2) |
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[6140] | 324 | out_u(ji,jj, jh) = X1 * ssumask(ji,jj) |
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| 325 | out_u(ji,jj,nb_ana+jh) = X2 * ssumask(ji,jj) |
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[4990] | 326 | ENDDO |
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| 327 | ENDDO |
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| 328 | ENDDO |
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[2956] | 329 | |
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[3294] | 330 | ! vbar: |
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| 331 | DO jj = 1, jpj |
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| 332 | DO ji = 1, jpi |
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| 333 | ! Fill input array |
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| 334 | kun=0 |
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| 335 | DO jh = 1,nb_ana |
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| 336 | DO jc = 1,2 |
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[2956] | 337 | kun = kun + 1 |
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[3294] | 338 | ztmp4(kun)=ana_temp(ji,jj,kun,3) |
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[4683] | 339 | END DO |
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| 340 | END DO |
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[2956] | 341 | |
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[3294] | 342 | CALL SUR_DETERMINE(jj+1) |
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[2956] | 343 | |
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[3294] | 344 | ! Fill output array |
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| 345 | DO jh = 1, nb_ana |
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| 346 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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| 347 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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| 348 | END DO |
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[2956] | 349 | |
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[3294] | 350 | END DO |
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| 351 | END DO |
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[2956] | 352 | |
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[3294] | 353 | DO jj = 1, jpj |
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| 354 | DO ji = 1, jpi |
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[2956] | 355 | DO jh = 1, nb_ana |
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[3294] | 356 | X1=ana_amp(ji,jj,jh,1) |
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| 357 | X2=-ana_amp(ji,jj,jh,2) |
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[6140] | 358 | out_v(ji,jj, jh)=X1 * ssvmask(ji,jj) |
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| 359 | out_v(ji,jj,nb_ana+jh)=X2 * ssvmask(ji,jj) |
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[4683] | 360 | END DO |
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| 361 | END DO |
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| 362 | END DO |
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[9124] | 363 | ! |
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[3294] | 364 | CALL dia_wri_harm ! Write results in files |
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| 365 | ! |
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| 366 | END SUBROUTINE dia_harm_end |
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[2956] | 367 | |
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[4292] | 368 | |
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[3294] | 369 | SUBROUTINE dia_wri_harm |
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[2956] | 370 | !!-------------------------------------------------------------------- |
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| 371 | !! *** ROUTINE dia_wri_harm *** |
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| 372 | !! |
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| 373 | !! ** Purpose : Write tidal harmonic analysis results in a netcdf file |
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| 374 | !!-------------------------------------------------------------------- |
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| 375 | CHARACTER(LEN=lc) :: cltext |
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| 376 | CHARACTER(LEN=lc) :: & |
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[3294] | 377 | cdfile_name_T , & ! name of the file created (T-points) |
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| 378 | cdfile_name_U , & ! name of the file created (U-points) |
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| 379 | cdfile_name_V ! name of the file created (V-points) |
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| 380 | INTEGER :: jh |
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[2956] | 381 | !!---------------------------------------------------------------------- |
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| 382 | |
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| 383 | IF(lwp) WRITE(numout,*) ' ' |
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[3294] | 384 | IF(lwp) WRITE(numout,*) 'dia_wri_harm : Write harmonic analysis results' |
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[2956] | 385 | IF(lwp) WRITE(numout,*) ' ' |
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| 386 | |
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| 387 | ! A) Elevation |
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| 388 | !///////////// |
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| 389 | ! |
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| 390 | DO jh = 1, nb_ana |
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| 391 | CALL iom_put( TRIM(tname(jh))//'x', out_eta(:,:,jh) ) |
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| 392 | CALL iom_put( TRIM(tname(jh))//'y', out_eta(:,:,nb_ana+jh) ) |
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| 393 | END DO |
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| 394 | |
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| 395 | ! B) ubar |
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| 396 | !///////// |
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| 397 | ! |
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| 398 | DO jh = 1, nb_ana |
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| 399 | CALL iom_put( TRIM(tname(jh))//'x_u', out_u(:,:,jh) ) |
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| 400 | CALL iom_put( TRIM(tname(jh))//'y_u', out_u(:,:,nb_ana+jh) ) |
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| 401 | END DO |
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| 402 | |
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| 403 | ! C) vbar |
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| 404 | !///////// |
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| 405 | ! |
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| 406 | DO jh = 1, nb_ana |
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[4683] | 407 | CALL iom_put( TRIM(tname(jh))//'x_v', out_v(:,:,jh ) ) |
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| 408 | CALL iom_put( TRIM(tname(jh))//'y_v', out_v(:,:,jh+nb_ana) ) |
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[2956] | 409 | END DO |
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[4683] | 410 | ! |
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[3294] | 411 | END SUBROUTINE dia_wri_harm |
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[2956] | 412 | |
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[4292] | 413 | |
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[3294] | 414 | SUBROUTINE SUR_DETERMINE(init) |
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[4683] | 415 | !!--------------------------------------------------------------------------------- |
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| 416 | !! *** ROUTINE SUR_DETERMINE *** |
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| 417 | !! |
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| 418 | !! |
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| 419 | !! |
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| 420 | !!--------------------------------------------------------------------------------- |
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| 421 | INTEGER, INTENT(in) :: init |
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| 422 | ! |
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[12178] | 423 | INTEGER :: ji_sd, jj_sd, ji1_sd, ji2_sd, jh1_sd, jh2_sd |
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[4683] | 424 | REAL(wp) :: zval1, zval2, zx1 |
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[9124] | 425 | REAL(wp), DIMENSION(jpincomax) :: ztmpx, zcol1, zcol2 |
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| 426 | INTEGER , DIMENSION(jpincomax) :: ipos2, ipivot |
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[4683] | 427 | !--------------------------------------------------------------------------------- |
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[9124] | 428 | ! |
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[4683] | 429 | IF( init == 1 ) THEN |
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| 430 | IF( nsparse > jpdimsparse ) CALL ctl_stop( 'STOP', 'SUR_DETERMINE : nsparse .GT. jpdimsparse') |
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| 431 | IF( ninco > jpincomax ) CALL ctl_stop( 'STOP', 'SUR_DETERMINE : ninco .GT. jpincomax') |
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| 432 | ! |
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| 433 | ztmp3(:,:) = 0._wp |
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| 434 | ! |
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[12178] | 435 | DO jh1_sd = 1, nsparse |
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| 436 | DO jh2_sd = 1, nsparse |
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| 437 | nisparse(jh2_sd) = nisparse(jh2_sd) |
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| 438 | njsparse(jh2_sd) = njsparse(jh2_sd) |
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| 439 | IF( nisparse(jh2_sd) == nisparse(jh1_sd) ) THEN |
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| 440 | ztmp3(njsparse(jh1_sd),njsparse(jh2_sd)) = ztmp3(njsparse(jh1_sd),njsparse(jh2_sd)) & |
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| 441 | & + valuesparse(jh1_sd)*valuesparse(jh2_sd) |
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[4683] | 442 | ENDIF |
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| 443 | END DO |
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[4292] | 444 | END DO |
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[4683] | 445 | ! |
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| 446 | DO jj_sd = 1 ,ninco |
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| 447 | ipos1(jj_sd) = jj_sd |
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| 448 | ipos2(jj_sd) = jj_sd |
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| 449 | END DO |
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| 450 | ! |
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| 451 | DO ji_sd = 1 , ninco |
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| 452 | ! |
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| 453 | !find greatest non-zero pivot: |
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| 454 | zval1 = ABS(ztmp3(ji_sd,ji_sd)) |
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| 455 | ! |
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| 456 | ipivot(ji_sd) = ji_sd |
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| 457 | DO jj_sd = ji_sd, ninco |
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| 458 | zval2 = ABS(ztmp3(ji_sd,jj_sd)) |
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[6140] | 459 | IF( zval2 >= zval1 )THEN |
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[4683] | 460 | ipivot(ji_sd) = jj_sd |
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| 461 | zval1 = zval2 |
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| 462 | ENDIF |
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| 463 | END DO |
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| 464 | ! |
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| 465 | DO ji1_sd = 1, ninco |
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| 466 | zcol1(ji1_sd) = ztmp3(ji1_sd,ji_sd) |
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| 467 | zcol2(ji1_sd) = ztmp3(ji1_sd,ipivot(ji_sd)) |
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| 468 | ztmp3(ji1_sd,ji_sd) = zcol2(ji1_sd) |
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| 469 | ztmp3(ji1_sd,ipivot(ji_sd)) = zcol1(ji1_sd) |
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| 470 | END DO |
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| 471 | ! |
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| 472 | ipos2(ji_sd) = ipos1(ipivot(ji_sd)) |
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| 473 | ipos2(ipivot(ji_sd)) = ipos1(ji_sd) |
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| 474 | ipos1(ji_sd) = ipos2(ji_sd) |
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| 475 | ipos1(ipivot(ji_sd)) = ipos2(ipivot(ji_sd)) |
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| 476 | zpivot(ji_sd) = ztmp3(ji_sd,ji_sd) |
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| 477 | DO jj_sd = 1, ninco |
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| 478 | ztmp3(ji_sd,jj_sd) = ztmp3(ji_sd,jj_sd) / zpivot(ji_sd) |
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| 479 | END DO |
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| 480 | ! |
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| 481 | DO ji2_sd = ji_sd+1, ninco |
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| 482 | zpilier(ji2_sd,ji_sd)=ztmp3(ji2_sd,ji_sd) |
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| 483 | DO jj_sd=1,ninco |
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| 484 | ztmp3(ji2_sd,jj_sd)= ztmp3(ji2_sd,jj_sd) - ztmp3(ji_sd,jj_sd) * zpilier(ji2_sd,ji_sd) |
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| 485 | END DO |
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| 486 | END DO |
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| 487 | ! |
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| 488 | END DO |
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| 489 | ! |
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| 490 | ENDIF ! End init==1 |
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[3294] | 491 | |
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[4683] | 492 | DO ji_sd = 1, ninco |
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| 493 | ztmp4(ji_sd) = ztmp4(ji_sd) / zpivot(ji_sd) |
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[3294] | 494 | DO ji2_sd = ji_sd+1, ninco |
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[4683] | 495 | ztmp4(ji2_sd) = ztmp4(ji2_sd) - ztmp4(ji_sd) * zpilier(ji2_sd,ji_sd) |
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| 496 | END DO |
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| 497 | END DO |
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[3294] | 498 | |
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[4683] | 499 | !system solving: |
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| 500 | ztmpx(ninco) = ztmp4(ninco) / ztmp3(ninco,ninco) |
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| 501 | ji_sd = ninco |
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| 502 | DO ji_sd = ninco-1, 1, -1 |
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| 503 | zx1 = 0._wp |
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| 504 | DO jj_sd = ji_sd+1, ninco |
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| 505 | zx1 = zx1 + ztmpx(jj_sd) * ztmp3(ji_sd,jj_sd) |
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| 506 | END DO |
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| 507 | ztmpx(ji_sd) = ztmp4(ji_sd)-zx1 |
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| 508 | END DO |
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[3294] | 509 | |
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[4683] | 510 | DO jj_sd =1, ninco |
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| 511 | ztmp7(ipos1(jj_sd))=ztmpx(jj_sd) |
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| 512 | END DO |
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| 513 | ! |
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| 514 | END SUBROUTINE SUR_DETERMINE |
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[3294] | 515 | |
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[2956] | 516 | !!====================================================================== |
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| 517 | END MODULE diaharm |
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