1 | MODULE exampl |
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2 | !!====================================================================== |
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3 | !! *** MODULE exampl *** |
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4 | !! Ocean physics: brief description of the purpose of the module |
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5 | !! (please no more than 2 lines) |
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6 | !!====================================================================== |
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7 | !! History : 3.0 ! 2008-06 (Author Names) Original code |
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8 | !! - ! 2008-08 (Author names) brief description of modifications |
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9 | !! 3.3 ! 2010-11 (Author names) - - |
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10 | !!---------------------------------------------------------------------- |
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11 | #if defined key_example |
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12 | !!---------------------------------------------------------------------- |
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13 | !! 'key_example' : brief description of the key option |
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14 | !!---------------------------------------------------------------------- |
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15 | !! exa_mpl : list of module subroutine (caution, never use the |
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16 | !! exa_mpl_init : name of the module for a routine) |
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17 | !! exa_mpl_stp : Please try to use 3 letter block for routine names |
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18 | !!---------------------------------------------------------------------- |
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19 | USE module_name1 ! brief description of the used module |
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20 | USE module_name2 ! .... |
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21 | |
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22 | IMPLICIT NONE |
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23 | PRIVATE |
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24 | |
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25 | PUBLIC exa_mpl ! routine called in xxx.F90 module |
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26 | PUBLIC exa_mpl_init ! routine called in nemogcm.F90 module |
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27 | |
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28 | TYPE :: FLD_E !: Structure type definition |
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29 | CHARACTER(lc) :: clname ! clname description (default length, lc, is 256, see par_kind.F90) |
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30 | INTEGER :: nfreqh ! nfreqh description |
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31 | END TYPE FLD_E |
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32 | |
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33 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: var1 !: var1 description. CAUTION always use !: to describe |
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34 | ! ! a PUBLIC variable: simplify its search : |
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35 | ! ! grep var1 *90 | grep '!:' |
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36 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: var2, var2 !: several variable on a same line OK, but |
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37 | ! ! DO NOT use continuation lines in declaration |
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38 | |
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39 | ! !!* namelist nam_xxx * |
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40 | LOGICAL :: ln_opt = .TRUE. ! give the default value of each namelist parameter |
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41 | CHARACTER :: cn_tex = 'T' ! short description of the variable |
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42 | INTEGER :: nn_opt = 1 ! please respect the DOCTOR norm for namelist variable |
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43 | REAL(wp) :: rn_var = 2._wp ! (it becomes easy to identify them in the code) |
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44 | TYPE(FLD) :: sn_ex ! structure |
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45 | |
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46 | INTEGER :: nint ! nint description (local permanent variable) |
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47 | REAL(wp) :: var ! var - - |
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48 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: array ! array - - |
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49 | |
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50 | !! * Substitutions |
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51 | # include "exampl_substitute.h90" |
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52 | !!---------------------------------------------------------------------- |
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53 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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54 | !! $Id$ |
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55 | !! Software governed by the CeCILL license (see ./LICENSE) |
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56 | !!---------------------------------------------------------------------- |
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57 | CONTAINS |
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58 | |
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59 | INTEGER FUNCTION exa_mpl_alloc() |
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60 | !!---------------------------------------------------------------------- |
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61 | !! *** FUNCTION exa_mpl_alloc *** |
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62 | !!---------------------------------------------------------------------- |
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63 | ALLOCATE( array(jpi,jpj,jpk) , STAT= exa_mpl_alloc ) ! Module array |
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64 | ! |
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65 | CALL mpp_sum ( 'module_example', exa_mpl_alloc ) |
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66 | IF( exa_mpl_alloc /= 0 ) CALL ctl_stop( 'STOP', 'exa_mpl_alloc: failed to allocate arrays' ) |
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67 | ! |
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68 | END FUNCTION exa_mpl_alloc |
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69 | |
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70 | |
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71 | SUBROUTINE exa_mpl( kt, pvar1, pvar2, ptab ) |
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72 | !!---------------------------------------------------------------------- |
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73 | !! *** ROUTINE exa_mpl *** |
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74 | !! |
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75 | !! ** Purpose : Brief description of the routine |
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76 | !! |
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77 | !! ** Method : description of the methodoloy used to achieve the |
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78 | !! objectives of the routine. Be as clear as possible! |
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79 | !! |
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80 | !! ** Action : - first action (share memory array/varible modified |
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81 | !! in this routine |
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82 | !! - second action ..... |
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83 | !! - ..... |
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84 | !! |
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85 | !! References : Author et al., Short_name_review, Year |
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86 | !! Give references if exist otherwise suppress these lines |
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87 | !!---------------------------------------------------------------------- |
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88 | INTEGER , INTENT(in ) :: kt ! short description |
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89 | INTEGER , INTENT(inout) :: pvar1 ! - - |
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90 | REAL(wp), INTENT( out) :: pvar2 ! - - |
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91 | REAL(wp), INTENT( out), DIMENSION(jpi,jpj) :: pvar2 ! - - |
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92 | !! |
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93 | INTEGER :: ji, jj, jk ! dummy loop arguments (DOCTOR : start with j, but not jp) |
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94 | INTEGER :: itoto, itata ! temporary integers (DOCTOR : start with i |
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95 | REAL(wp) :: zmlmin, zbbrau ! temporary scalars (DOCTOR : start with z) |
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96 | REAL(wp) :: zfact1, zfact2 ! do not use continuation lines in declaration |
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97 | REAL(wp), DIMENSION(jpi,jpj) :: zwrk_2d ! 2D workspace |
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98 | !!-------------------------------------------------------------------- |
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99 | ! |
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100 | IF( kt == nit000 ) CALL exa_mpl_init ! Initialization (first time-step only) |
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101 | |
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102 | zmlmin = 1.e-8 ! Local constant initialization |
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103 | zbbrau = .5 * ebb / rau0 |
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104 | zfact1 = -.5 * rdt * efave |
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105 | zfact2 = 1.5 * rdt * ediss |
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106 | |
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107 | SELECT CASE ( npdl ) ! short description of the action |
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108 | ! |
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109 | CASE ( 0 ) ! describe case 1 |
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110 | DO jk = 2, jpkm1 |
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111 | DO jj = 2, jpjm1 |
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112 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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113 | avm(ji,jj,jk) = .... |
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114 | END DO |
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115 | END DO |
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116 | END DO |
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117 | ! |
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118 | CASE ( 1 ) ! describe case 2 |
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119 | DO jk = 2, jpkm1 |
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120 | DO jj = 2, jpjm1 |
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121 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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122 | avm(ji,jj,jk) = ... |
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123 | END DO |
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124 | END DO |
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125 | END DO |
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126 | ! |
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127 | END SELECT |
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128 | ! |
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129 | CALL lbc_lnk( 'module_example', avm, 'T', 1. ) ! Lateral boundary conditions (unchanged sign) |
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130 | ! |
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131 | END SUBROUTINE exa_mpl |
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132 | |
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133 | |
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134 | SUBROUTINE exa_mpl_init |
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135 | !!---------------------------------------------------------------------- |
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136 | !! *** ROUTINE exa_mpl_init *** |
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137 | !! |
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138 | !! ** Purpose : initialization of .... |
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139 | !! |
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140 | !! ** Method : blah blah blah ... |
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141 | !! |
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142 | !! ** input : Namlist namexa |
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143 | !! |
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144 | !! ** Action : ... |
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145 | !!---------------------------------------------------------------------- |
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146 | INTEGER :: ji, jj, jk, jit ! dummy loop indices |
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147 | INTEGER :: ios ! Local integer output status for namelist read |
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148 | !! |
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149 | NAMELIST/namexa/ exa_v1, exa_v2, nexa_0, sn_ex |
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150 | !!---------------------------------------------------------------------- |
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151 | ! |
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152 | REWIND( numnam_ref ) ! Namelist namexa in reference namelist : Example |
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153 | READ ( numnam_ref, namexa, IOSTAT = ios, ERR = 901) |
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154 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namexa in reference namelist' ) |
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155 | ! |
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156 | REWIND( numnam_cfg ) ! Namelist namexa in configuration namelist : Example |
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157 | READ ( numnam_cfg, namexa, IOSTAT = ios, ERR = 902 ) |
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158 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namexa in configuration namelist' ) |
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159 | ! Output namelist for control |
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160 | WRITE ( numond, namexa ) |
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161 | ! |
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162 | IF(lwp) THEN ! Control print |
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163 | WRITE(numout,*) |
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164 | WRITE(numout,*) 'exa_mpl_init : example ' |
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165 | WRITE(numout,*) '~~~~~~~~~~~~' |
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166 | WRITE(numout,*) ' Namelist namexa : set example parameters' |
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167 | WRITE(numout,*) ' brief desciption exa_v1 = ', exa_v1 |
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168 | WRITE(numout,*) ' brief desciption exa_v2 = ', exa_v2 |
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169 | WRITE(numout,*) ' brief desciption nexa_0 = ', nexa_0 |
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170 | WRITE(numout,*) ' brief desciption sn_ex%clname = ', sn_ex%clname |
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171 | WRITE(numout,*) ' brief desciption sn_ex%nfreqh = ', sn_ex%nfreqh |
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172 | ENDIF |
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173 | ! |
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174 | ! ! allocate exa_mpl arrays |
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175 | IF( exa_mpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'exa_mpl_init : unable to allocate arrays' ) |
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176 | ! ! Parameter control |
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177 | IF( ln_opt ) CALL ctl_stop( 'exa_mpl_init: this work and option xxx are incompatible' ) |
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178 | IF( nn_opt == 2 ) CALL ctl_stop( 'STOP', 'exa_mpl_init: this work and option yyy may cause problems' ) |
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179 | ! |
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180 | END SUBROUTINE exa_mpl_init |
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181 | |
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182 | #else |
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183 | !!---------------------------------------------------------------------- |
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184 | !! Default option : NO example |
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185 | !!---------------------------------------------------------------------- |
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186 | CONTAINS |
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187 | SUBROUTINE exa_mpl( kt, pvar1, pvar2, ptab ) ! Empty routine |
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188 | REAL:: ptab(:,:) |
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189 | WRITE(*,*) 'exa_mpl: You should not have seen this print! error?', kt, pvar1, pvar2, ptab(1,1) |
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190 | END SUBROUTINE exa_mpl |
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191 | #endif |
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192 | |
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193 | !!====================================================================== |
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194 | END MODULE exampl |
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