1 | MODULE diaharm |
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2 | |
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3 | #if defined key_diaharm && defined key_tide |
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4 | !!================================================================================= |
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5 | !! *** MODULE diaharm *** |
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6 | !! Harmonic analysis of tidal constituents |
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7 | !!================================================================================= |
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8 | !! * Modules used |
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9 | USE oce ! ocean dynamics and tracers variables |
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10 | USE dom_oce ! ocean space and time domain |
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11 | USE in_out_manager ! I/O units |
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12 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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13 | USE ioipsl ! NetCDF IPSL library |
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14 | USE diadimg ! To write dimg |
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15 | USE phycst |
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16 | USE dynspg_oce |
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17 | USE dynspg_ts |
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18 | USE daymod |
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19 | USE tide_mod |
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20 | USE iom |
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21 | USE timing ! preformance summary |
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22 | USE wrk_nemo ! working arrays |
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23 | |
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24 | IMPLICIT NONE |
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25 | PRIVATE |
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26 | |
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27 | LOGICAL, PUBLIC, PARAMETER :: lk_diaharm = .TRUE. |
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28 | |
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29 | INTEGER, PARAMETER :: jpincomax = 2.*jpmax_harmo |
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30 | INTEGER, PARAMETER :: jpdimsparse = jpincomax*300*24 |
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31 | |
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32 | INTEGER :: & !! namelist variables |
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33 | nit000_han = 1, & ! First time step used for harmonic analysis |
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34 | nitend_han = 1, & ! Last time step used for harmonic analysis |
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35 | nstep_han = 1, & ! Time step frequency for harmonic analysis |
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36 | nb_ana ! Number of harmonics to analyse |
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37 | |
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38 | INTEGER , ALLOCATABLE, DIMENSION(:) :: name |
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39 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:,:) :: ana_temp |
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40 | REAL(wp), ALLOCATABLE, DIMENSION(:) :: ana_freq, vt, ut, ft |
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41 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: out_eta, & |
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42 | out_u , & |
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43 | out_v |
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44 | |
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45 | INTEGER :: ninco, nsparse |
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46 | INTEGER , DIMENSION(jpdimsparse) :: njsparse, nisparse |
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47 | INTEGER , SAVE, DIMENSION(jpincomax) :: ipos1 |
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48 | REAL(wp), DIMENSION(jpdimsparse) :: valuesparse |
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49 | REAL(wp), DIMENSION(jpincomax) :: ztmp4 , ztmp7 |
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50 | REAL(wp), SAVE, DIMENSION(jpincomax,jpincomax) :: ztmp3 , zpilier |
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51 | REAL(wp), SAVE, DIMENSION(jpincomax) :: zpivot |
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52 | |
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53 | CHARACTER (LEN=4), DIMENSION(jpmax_harmo) :: & |
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54 | tname ! Names of tidal constituents ('M2', 'K1',...) |
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55 | |
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56 | |
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57 | !! * Routine accessibility |
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58 | PUBLIC dia_harm ! routine called by step.F90 |
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59 | |
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60 | !!--------------------------------------------------------------------------------- |
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61 | !! |
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62 | !!--------------------------------------------------------------------------------- |
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63 | |
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64 | CONTAINS |
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65 | |
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66 | SUBROUTINE dia_harm_init |
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67 | !!---------------------------------------------------------------------- |
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68 | !! *** ROUTINE dia_harm_init *** |
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69 | !!---------------------------------------------------------------------- |
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70 | !! |
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71 | !! ** Purpose : Initialization of tidal harmonic analysis |
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72 | !! |
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73 | !! ** Method : Initialize frequency array and nodal factor for nit000_han |
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74 | !! |
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75 | !! History : |
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76 | !! 9.0 O. Le Galloudec and J. Chanut (Original) |
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77 | !!-------------------------------------------------------------------- |
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78 | !! * Local declarations |
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79 | INTEGER :: jh, nhan, jk, ji |
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80 | |
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81 | NAMELIST/nam_diaharm/ nit000_han, nitend_han, nstep_han, tname |
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82 | !!---------------------------------------------------------------------- |
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83 | |
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84 | IF(lwp) THEN |
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85 | WRITE(numout,*) |
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86 | WRITE(numout,*) 'dia_harm_init: Tidal harmonic analysis initialization' |
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87 | WRITE(numout,*) '~~~~~~~ ' |
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88 | ENDIF |
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89 | ! |
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90 | CALL tide_init_Wave |
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91 | ! |
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92 | tname(:)='' |
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93 | ! |
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94 | ! Read Namelist nam_diaharm |
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95 | REWIND ( numnam ) |
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96 | READ ( numnam, nam_diaharm ) |
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97 | ! |
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98 | IF(lwp) THEN |
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99 | WRITE(numout,*) 'First time step used for analysis: nit000_han= ', nit000_han |
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100 | WRITE(numout,*) 'Last time step used for analysis: nitend_han= ', nitend_han |
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101 | WRITE(numout,*) 'Time step frequency for harmonic analysis: nstep_han= ', nstep_han |
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102 | ENDIF |
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103 | |
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104 | ! Basic checks on harmonic analysis time window: |
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105 | ! ---------------------------------------------- |
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106 | IF (nit000 > nit000_han) THEN |
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107 | IF(lwp) WRITE(numout,*) ' E R R O R dia_harm_init : nit000_han must be greater than nit000, stop' |
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108 | IF(lwp) WRITE(numout,*) ' restart capability not implemented' |
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109 | nstop = nstop + 1 |
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110 | ENDIF |
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111 | IF (nitend < nitend_han) THEN |
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112 | IF(lwp) WRITE(numout,*) ' E R R O R dia_harm_init : nitend_han must be lower than nitend, stop' |
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113 | IF(lwp) WRITE(numout,*) ' restart capability not implemented' |
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114 | nstop = nstop + 1 |
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115 | ENDIF |
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116 | |
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117 | IF (MOD(nitend_han-nit000_han+1,nstep_han).NE.0) THEN |
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118 | IF(lwp) WRITE(numout,*) ' E R R O R dia_harm_init : analysis time span must be a multiple of nstep_han, stop' |
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119 | nstop = nstop + 1 |
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120 | END IF |
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121 | |
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122 | nb_ana=0 |
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123 | DO jk=1,jpmax_harmo |
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124 | DO ji=1,jpmax_harmo |
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125 | IF(TRIM(tname(jk)) == Wave(ji)%cname_tide) THEN |
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126 | nb_ana=nb_ana+1 |
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127 | ENDIF |
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128 | END DO |
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129 | ENDDO |
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130 | ! |
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131 | IF(lwp) THEN |
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132 | WRITE(numout,*) ' Namelist nam_diaharm' |
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133 | WRITE(numout,*) ' nb_ana = ', nb_ana |
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134 | CALL flush(numout) |
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135 | ENDIF |
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136 | ! |
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137 | IF (nb_ana > jpmax_harmo) THEN |
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138 | IF(lwp) WRITE(numout,*) ' E R R O R dia_harm_init : nb_ana must be lower than jpmax_harmo, stop' |
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139 | IF(lwp) WRITE(numout,*) ' jpmax_harmo= ', jpmax_harmo |
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140 | nstop = nstop + 1 |
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141 | ENDIF |
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142 | |
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143 | ALLOCATE(name (nb_ana)) |
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144 | DO jk=1,nb_ana |
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145 | DO ji=1,jpmax_harmo |
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146 | IF (TRIM(tname(jk)) .eq. Wave(ji)%cname_tide) THEN |
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147 | name(jk) = ji |
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148 | EXIT |
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149 | END IF |
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150 | END DO |
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151 | END DO |
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152 | |
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153 | ! Initialize frequency array: |
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154 | ! --------------------------- |
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155 | ALLOCATE(ana_freq(nb_ana)) |
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156 | ALLOCATE(vt (nb_ana)) |
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157 | ALLOCATE(ut (nb_ana)) |
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158 | ALLOCATE(ft (nb_ana)) |
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159 | |
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160 | CALL tide_harmo(ana_freq, vt, ut , ft, name ,nb_ana) |
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161 | |
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162 | IF(lwp) WRITE(numout,*) 'Analysed frequency : ',nb_ana ,'Frequency ' |
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163 | |
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164 | DO jh = 1, nb_ana |
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165 | IF(lwp) WRITE(numout,*) ' : ',tname(jh),' ',ana_freq(jh) |
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166 | END DO |
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167 | |
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168 | ! Initialize temporary arrays: |
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169 | ! ---------------------------- |
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170 | ALLOCATE( ana_temp(jpi,jpj,nb_ana*2,3)) |
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171 | ana_temp(:,:,:,:) = 0.e0 |
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172 | |
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173 | END SUBROUTINE dia_harm_init |
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174 | |
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175 | SUBROUTINE dia_harm ( kt ) |
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176 | !!---------------------------------------------------------------------- |
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177 | !! *** ROUTINE dia_harm *** |
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178 | !!---------------------------------------------------------------------- |
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179 | !! |
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180 | !! ** Purpose : Tidal harmonic analysis main routine |
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181 | !! |
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182 | !! ** Action : Sums ssh/u/v over time analysis [nit000_han,nitend_han] |
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183 | !! |
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184 | !! History : |
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185 | !! 9.0 O. Le Galloudec and J. Chanut (Original) |
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186 | !!-------------------------------------------------------------------- |
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187 | !! * Argument: |
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188 | INTEGER, INTENT( IN ) :: kt |
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189 | |
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190 | !! * Local declarations |
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191 | INTEGER :: ji, jj, jh, jc, nhc |
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192 | REAL(wp) :: ztime, ztemp |
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193 | !!-------------------------------------------------------------------- |
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194 | IF( nn_timing == 1 ) CALL timing_start('dia_harm') |
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195 | |
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196 | IF ( kt .EQ. nit000 ) CALL dia_harm_init |
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197 | |
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198 | IF ( ((kt.GE.nit000_han).AND.(kt.LE.nitend_han)).AND. & |
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199 | (MOD(kt,nstep_han).EQ.0) ) THEN |
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200 | |
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201 | ztime = (kt-nit000+1)*rdt |
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202 | |
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203 | nhc = 0 |
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204 | DO jh = 1,nb_ana |
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205 | DO jc = 1,2 |
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206 | nhc = nhc+1 |
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207 | ztemp =( MOD(jc,2) * ft(jh) *COS(ana_freq(jh)*ztime + vt(jh) + ut(jh)) & |
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208 | +(1.-MOD(jc,2))* ft(jh) *SIN(ana_freq(jh)*ztime + vt(jh) + ut(jh))) |
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209 | |
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210 | DO jj = 1,jpj |
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211 | DO ji = 1,jpi |
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212 | ! Elevation |
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213 | ana_temp(ji,jj,nhc,1) = ana_temp(ji,jj,nhc,1) & |
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214 | + ztemp*sshn(ji,jj)*tmask(ji,jj,1) |
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215 | #if defined key_dynspg_ts |
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216 | ! ubar |
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217 | ana_temp(ji,jj,nhc,2) = ana_temp(ji,jj,nhc,2) & |
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218 | + ztemp*un_b(ji,jj)*hur(ji,jj)*umask(ji,jj,1) |
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219 | ! vbar |
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220 | ana_temp(ji,jj,nhc,3) = ana_temp(ji,jj,nhc,3) & |
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221 | + ztemp*vn_b(ji,jj)*hvr(ji,jj)*vmask(ji,jj,1) |
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222 | #endif |
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223 | END DO |
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224 | END DO |
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225 | |
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226 | END DO |
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227 | END DO |
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228 | |
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229 | END IF |
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230 | |
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231 | IF ( kt .EQ. nitend_han ) CALL dia_harm_end |
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232 | |
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233 | IF( nn_timing == 1 ) CALL timing_stop('dia_harm') |
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234 | |
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235 | END SUBROUTINE dia_harm |
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236 | |
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237 | SUBROUTINE dia_harm_end |
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238 | !!---------------------------------------------------------------------- |
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239 | !! *** ROUTINE diaharm_end *** |
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240 | !!---------------------------------------------------------------------- |
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241 | !! |
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242 | !! ** Purpose : Compute the Real and Imaginary part of tidal constituents |
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243 | !! |
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244 | !! ** Action : Decompose the signal on the harmonic constituents |
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245 | !! |
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246 | !! History : |
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247 | !! 9.0 O. Le Galloudec and J. Chanut (Original) |
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248 | !!-------------------------------------------------------------------- |
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249 | |
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250 | !! * Local declarations |
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251 | INTEGER :: ji, jj, jh, jc, jn, nhan, jl |
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252 | INTEGER :: ksp, kun, keq |
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253 | REAL(wp) :: ztime, ztime_ini, ztime_end |
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254 | REAL(wp) :: X1,X2 |
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255 | REAL(wp), POINTER, DIMENSION(:,:,:,:) :: ana_amp |
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256 | !!-------------------------------------------------------------------- |
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257 | CALL wrk_alloc( jpi , jpj , jpmax_harmo , 2 , ana_amp ) |
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258 | |
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259 | IF(lwp) WRITE(numout,*) |
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260 | IF(lwp) WRITE(numout,*) 'anharmo_end: kt=nitend_han: Perform harmonic analysis' |
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261 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~' |
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262 | |
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263 | ztime_ini = nit000_han*rdt ! Initial time in seconds at the beginning of analysis |
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264 | ztime_end = nitend_han*rdt ! Final time in seconds at the end of analysis |
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265 | nhan = (nitend_han-nit000_han+1)/nstep_han ! Number of dumps used for analysis |
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266 | |
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267 | ninco = 2*nb_ana |
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268 | |
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269 | ksp = 0 |
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270 | keq = 0 |
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271 | DO jn = 1, nhan |
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272 | ztime=( (nhan-jn)*ztime_ini + (jn-1)*ztime_end )/FLOAT(nhan-1) |
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273 | keq = keq + 1 |
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274 | kun = 0 |
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275 | DO jh = 1,nb_ana |
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276 | DO jc = 1,2 |
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277 | kun = kun + 1 |
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278 | ksp = ksp + 1 |
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279 | nisparse(ksp) = keq |
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280 | njsparse(ksp) = kun |
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281 | valuesparse(ksp)= & |
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282 | +( MOD(jc,2) * ft(jh) * COS(ana_freq(jh)*ztime + vt(jh) + ut(jh)) & |
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283 | +(1.-MOD(jc,2))* ft(jh) * SIN(ana_freq(jh)*ztime + vt(jh) + ut(jh))) |
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284 | END DO |
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285 | END DO |
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286 | END DO |
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287 | |
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288 | nsparse=ksp |
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289 | |
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290 | ! Elevation: |
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291 | DO jj = 1, jpj |
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292 | DO ji = 1, jpi |
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293 | ! Fill input array |
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294 | kun=0 |
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295 | DO jh = 1,nb_ana |
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296 | DO jc = 1,2 |
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297 | kun = kun + 1 |
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298 | ztmp4(kun)=ana_temp(ji,jj,kun,1) |
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299 | ENDDO |
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300 | ENDDO |
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301 | |
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302 | CALL SUR_DETERMINE(jj) |
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303 | |
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304 | ! Fill output array |
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305 | DO jh = 1, nb_ana |
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306 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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307 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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308 | END DO |
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309 | END DO |
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310 | END DO |
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311 | |
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312 | ALLOCATE(out_eta(jpi,jpj,2*nb_ana)) |
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313 | ALLOCATE(out_u (jpi,jpj,2*nb_ana)) |
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314 | ALLOCATE(out_v (jpi,jpj,2*nb_ana)) |
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315 | |
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316 | DO jj = 1, jpj |
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317 | DO ji = 1, jpi |
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318 | DO jh = 1, nb_ana |
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319 | X1=ana_amp(ji,jj,jh,1) |
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320 | X2=-ana_amp(ji,jj,jh,2) |
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321 | out_eta(ji,jj,jh)=X1 * tmask(ji,jj,1) |
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322 | out_eta(ji,jj,nb_ana+jh)=X2 * tmask(ji,jj,1) |
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323 | ENDDO |
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324 | ENDDO |
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325 | ENDDO |
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326 | |
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327 | ! ubar: |
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328 | DO jj = 1, jpj |
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329 | DO ji = 1, jpi |
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330 | ! Fill input array |
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331 | kun=0 |
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332 | DO jh = 1,nb_ana |
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333 | DO jc = 1,2 |
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334 | kun = kun + 1 |
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335 | ztmp4(kun)=ana_temp(ji,jj,kun,2) |
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336 | ENDDO |
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337 | ENDDO |
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338 | |
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339 | CALL SUR_DETERMINE(jj+1) |
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340 | |
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341 | ! Fill output array |
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342 | DO jh = 1, nb_ana |
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343 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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344 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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345 | END DO |
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346 | |
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347 | END DO |
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348 | END DO |
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349 | |
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350 | DO jj = 1, jpj |
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351 | DO ji = 1, jpi |
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352 | DO jh = 1, nb_ana |
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353 | X1=ana_amp(ji,jj,jh,1) |
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354 | X2=-ana_amp(ji,jj,jh,2) |
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355 | out_u(ji,jj,jh) = X1 * umask(ji,jj,1) |
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356 | out_u (ji,jj,nb_ana+jh) = X2 * umask(ji,jj,1) |
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357 | ENDDO |
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358 | ENDDO |
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359 | ENDDO |
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360 | |
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361 | ! vbar: |
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362 | DO jj = 1, jpj |
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363 | DO ji = 1, jpi |
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364 | ! Fill input array |
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365 | kun=0 |
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366 | DO jh = 1,nb_ana |
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367 | DO jc = 1,2 |
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368 | kun = kun + 1 |
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369 | ztmp4(kun)=ana_temp(ji,jj,kun,3) |
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370 | ENDDO |
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371 | ENDDO |
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372 | |
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373 | CALL SUR_DETERMINE(jj+1) |
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374 | |
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375 | ! Fill output array |
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376 | DO jh = 1, nb_ana |
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377 | ana_amp(ji,jj,jh,1)=ztmp7((jh-1)*2+1) |
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378 | ana_amp(ji,jj,jh,2)=ztmp7((jh-1)*2+2) |
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379 | END DO |
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380 | |
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381 | END DO |
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382 | END DO |
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383 | |
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384 | DO jj = 1, jpj |
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385 | DO ji = 1, jpi |
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386 | DO jh = 1, nb_ana |
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387 | X1=ana_amp(ji,jj,jh,1) |
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388 | X2=-ana_amp(ji,jj,jh,2) |
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389 | out_v(ji,jj,jh)=X1 * vmask(ji,jj,1) |
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390 | out_v(ji,jj,nb_ana+jh)=X2 * vmask(ji,jj,1) |
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391 | ENDDO |
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392 | ENDDO |
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393 | ENDDO |
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394 | |
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395 | CALL dia_wri_harm ! Write results in files |
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396 | CALL wrk_dealloc( jpi , jpj , jpmax_harmo , 2 , ana_amp ) |
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397 | ! |
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398 | END SUBROUTINE dia_harm_end |
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399 | |
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400 | SUBROUTINE dia_wri_harm |
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401 | !!-------------------------------------------------------------------- |
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402 | !! *** ROUTINE dia_wri_harm *** |
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403 | !!-------------------------------------------------------------------- |
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404 | !! |
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405 | !! ** Purpose : Write tidal harmonic analysis results in a netcdf file |
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406 | !! |
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407 | !! |
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408 | !! History : |
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409 | !! 9.0 O. Le Galloudec and J. Chanut (Original) |
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410 | !!-------------------------------------------------------------------- |
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411 | |
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412 | !! * Local declarations |
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413 | CHARACTER(LEN=lc) :: cltext |
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414 | CHARACTER(LEN=lc) :: & |
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415 | cdfile_name_T , & ! name of the file created (T-points) |
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416 | cdfile_name_U , & ! name of the file created (U-points) |
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417 | cdfile_name_V ! name of the file created (V-points) |
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418 | INTEGER :: jh |
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419 | !!---------------------------------------------------------------------- |
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420 | |
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421 | #if defined key_dimgout |
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422 | cdfile_name_T = TRIM(cexper)//'_Tidal_harmonics_gridT.dimgproc' |
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423 | cdfile_name_U = TRIM(cexper)//'_Tidal_harmonics_gridU.dimgproc' |
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424 | cdfile_name_V = TRIM(cexper)//'_Tidal_harmonics_gridV.dimgproc' |
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425 | #endif |
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426 | |
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427 | IF(lwp) WRITE(numout,*) ' ' |
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428 | IF(lwp) WRITE(numout,*) 'dia_wri_harm : Write harmonic analysis results' |
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429 | #if defined key_dimgout |
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430 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~ Output files: ', TRIM(cdfile_name_T) |
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431 | IF(lwp) WRITE(numout,*) ' ', TRIM(cdfile_name_U) |
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432 | IF(lwp) WRITE(numout,*) ' ', TRIM(cdfile_name_V) |
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433 | #endif |
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434 | IF(lwp) WRITE(numout,*) ' ' |
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435 | |
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436 | ! A) Elevation |
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437 | !///////////// |
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438 | ! |
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439 | #if defined key_dimgout |
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440 | cltext='Elevation amplitude and phase' |
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441 | CALL dia_wri_dimg(TRIM(cdfile_name_T), TRIM(cltext), out_eta, 2*nb_ana, '2') |
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442 | #else |
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443 | DO jh = 1, nb_ana |
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444 | CALL iom_put( TRIM(tname(jh))//'x', out_eta(:,:,jh) ) |
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445 | CALL iom_put( TRIM(tname(jh))//'y', out_eta(:,:,nb_ana+jh) ) |
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446 | END DO |
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447 | #endif |
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448 | |
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449 | ! B) ubar |
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450 | !///////// |
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451 | ! |
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452 | #if defined key_dimgout |
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453 | cltext='ubar amplitude and phase' |
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454 | CALL dia_wri_dimg(TRIM(cdfile_name_U), TRIM(cltext), out_u, 2*nb_ana, '2') |
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455 | #else |
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456 | DO jh = 1, nb_ana |
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457 | CALL iom_put( TRIM(tname(jh))//'x_u', out_u(:,:,jh) ) |
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458 | CALL iom_put( TRIM(tname(jh))//'y_u', out_u(:,:,nb_ana+jh) ) |
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459 | END DO |
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460 | #endif |
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461 | |
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462 | ! C) vbar |
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463 | !///////// |
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464 | ! |
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465 | #if defined key_dimgout |
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466 | cltext='vbar amplitude and phase' |
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467 | CALL dia_wri_dimg(TRIM(cdfile_name_V), TRIM(cltext), out_v, 2*nb_ana, '2') |
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468 | #else |
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469 | DO jh = 1, nb_ana |
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470 | CALL iom_put( TRIM(tname(jh))//'x_v', out_u(:,:,jh) ) |
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471 | CALL iom_put( TRIM(tname(jh))//'y_v', out_u(:,:,nb_ana+jh) ) |
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472 | END DO |
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473 | #endif |
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474 | |
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475 | END SUBROUTINE dia_wri_harm |
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476 | |
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477 | SUBROUTINE SUR_DETERMINE(init) |
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478 | !!--------------------------------------------------------------------------------- |
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479 | !! *** ROUTINE SUR_DETERMINE *** |
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480 | !! |
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481 | !! |
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482 | !! |
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483 | !!--------------------------------------------------------------------------------- |
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484 | INTEGER, INTENT(in) :: init |
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485 | |
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486 | INTEGER :: ji_sd, jj_sd, ji1_sd, ji2_sd, jk1_sd, jk2_sd |
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487 | REAL(wp) :: zval1, zval2, zx1 |
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488 | REAL(wp), POINTER, DIMENSION(:) :: ztmpx, zcol1, zcol2 |
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489 | INTEGER , POINTER, DIMENSION(:) :: ipos2, ipivot |
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490 | !--------------------------------------------------------------------------------- |
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491 | CALL wrk_alloc( jpincomax , ztmpx , zcol1 , zcol2 ) |
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492 | CALL wrk_alloc( jpincomax , ipos2 , ipivot ) |
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493 | |
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494 | IF( init==1 )THEN |
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495 | |
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496 | IF( nsparse .GT. jpdimsparse ) & |
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497 | CALL ctl_stop( 'STOP', 'SUR_DETERMINE : nsparse .GT. jpdimsparse') |
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498 | |
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499 | IF( ninco .GT. jpincomax ) & |
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500 | CALL ctl_stop( 'STOP', 'SUR_DETERMINE : ninco .GT. jpincomax') |
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501 | |
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502 | ztmp3(:,:)=0.e0 |
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503 | |
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504 | DO jk1_sd = 1, nsparse |
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505 | DO jk2_sd = 1, nsparse |
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506 | |
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507 | nisparse(jk2_sd)=nisparse(jk2_sd) |
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508 | njsparse(jk2_sd)=njsparse(jk2_sd) |
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509 | |
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510 | IF( nisparse(jk2_sd) == nisparse(jk1_sd) ) THEN |
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511 | ztmp3(njsparse(jk1_sd),njsparse(jk2_sd)) = ztmp3(njsparse(jk1_sd),njsparse(jk2_sd)) & |
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512 | + valuesparse(jk1_sd)*valuesparse(jk2_sd) |
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513 | ENDIF |
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514 | |
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515 | ENDDO |
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516 | ENDDO |
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517 | |
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518 | DO jj_sd = 1 ,ninco |
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519 | ipos1(jj_sd) = jj_sd |
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520 | ipos2(jj_sd) = jj_sd |
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521 | ENDDO |
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522 | |
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523 | DO ji_sd = 1 , ninco |
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524 | |
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525 | !find greatest non-zero pivot: |
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526 | zval1 = ABS(ztmp3(ji_sd,ji_sd)) |
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527 | |
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528 | ipivot(ji_sd) = ji_sd |
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529 | DO jj_sd = ji_sd, ninco |
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530 | zval2 = ABS(ztmp3(ji_sd,jj_sd)) |
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531 | IF( zval2.GE.zval1 )THEN |
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532 | ipivot(ji_sd) = jj_sd |
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533 | zval1 = zval2 |
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534 | ENDIF |
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535 | ENDDO |
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536 | |
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537 | DO ji1_sd = 1, ninco |
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538 | zcol1(ji1_sd) = ztmp3(ji1_sd,ji_sd) |
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539 | zcol2(ji1_sd) = ztmp3(ji1_sd,ipivot(ji_sd)) |
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540 | ztmp3(ji1_sd,ji_sd) = zcol2(ji1_sd) |
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541 | ztmp3(ji1_sd,ipivot(ji_sd)) = zcol1(ji1_sd) |
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542 | ENDDO |
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543 | |
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544 | ipos2(ji_sd) = ipos1(ipivot(ji_sd)) |
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545 | ipos2(ipivot(ji_sd)) = ipos1(ji_sd) |
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546 | ipos1(ji_sd) = ipos2(ji_sd) |
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547 | ipos1(ipivot(ji_sd)) = ipos2(ipivot(ji_sd)) |
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548 | zpivot(ji_sd) = ztmp3(ji_sd,ji_sd) |
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549 | DO jj_sd = 1, ninco |
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550 | ztmp3(ji_sd,jj_sd) = ztmp3(ji_sd,jj_sd) / zpivot(ji_sd) |
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551 | ENDDO |
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552 | |
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553 | DO ji2_sd = ji_sd+1, ninco |
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554 | zpilier(ji2_sd,ji_sd)=ztmp3(ji2_sd,ji_sd) |
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555 | DO jj_sd=1,ninco |
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556 | ztmp3(ji2_sd,jj_sd)= ztmp3(ji2_sd,jj_sd) - ztmp3(ji_sd,jj_sd) * zpilier(ji2_sd,ji_sd) |
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557 | ENDDO |
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558 | ENDDO |
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559 | |
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560 | ENDDO |
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561 | |
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562 | ENDIF ! End init==1 |
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563 | |
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564 | DO ji_sd = 1, ninco |
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565 | ztmp4(ji_sd) = ztmp4(ji_sd) / zpivot(ji_sd) |
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566 | DO ji2_sd = ji_sd+1, ninco |
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567 | ztmp4(ji2_sd) = ztmp4(ji2_sd) - ztmp4(ji_sd) * zpilier(ji2_sd,ji_sd) |
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568 | ENDDO |
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569 | ENDDO |
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570 | |
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571 | !system solving: |
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572 | ztmpx(ninco) = ztmp4(ninco) / ztmp3(ninco,ninco) |
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573 | ji_sd = ninco |
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574 | DO ji_sd = ninco-1, 1, -1 |
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575 | zx1=0. |
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576 | DO jj_sd = ji_sd+1, ninco |
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577 | zx1 = zx1 + ztmpx(jj_sd) * ztmp3(ji_sd,jj_sd) |
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578 | ENDDO |
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579 | ztmpx(ji_sd) = ztmp4(ji_sd)-zx1 |
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580 | ENDDO |
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581 | |
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582 | DO jj_sd =1, ninco |
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583 | ztmp7(ipos1(jj_sd))=ztmpx(jj_sd) |
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584 | ENDDO |
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585 | |
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586 | |
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587 | CALL wrk_dealloc( jpincomax , ztmpx , zcol1 , zcol2 ) |
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588 | CALL wrk_dealloc( jpincomax , ipos2 , ipivot ) |
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589 | |
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590 | END SUBROUTINE SUR_DETERMINE |
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591 | |
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592 | |
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593 | #else |
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594 | !!---------------------------------------------------------------------- |
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595 | !! Default case : Empty module |
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596 | !!---------------------------------------------------------------------- |
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597 | LOGICAL, PUBLIC, PARAMETER :: lk_diaharm = .FALSE. |
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598 | CONTAINS |
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599 | |
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600 | SUBROUTINE dia_harm ( kt ) ! Empty routine |
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601 | INTEGER, INTENT( IN ) :: kt |
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602 | WRITE(*,*) 'dia_harm: you should not have seen this print' |
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603 | END SUBROUTINE dia_harm |
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604 | |
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605 | |
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606 | #endif |
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607 | !!====================================================================== |
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608 | END MODULE diaharm |
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