1 | MODULE lib_fortran |
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2 | !!====================================================================== |
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3 | !! *** MODULE lib_fortran *** |
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4 | !! Fortran utilities: includes some low levels fortran functionality |
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5 | !!====================================================================== |
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6 | !! History : 3.2 ! 2010-05 (M. Dunphy, R. Benshila) Original code |
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7 | !! 3.4 ! 2013-06 (C. Rousset) add glob_min, glob_max |
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8 | !! + 3d dim. of input is fexible (jpk, jpl...) |
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9 | !! 4.0 ! 2016-06 (T. Lovato) double precision global sum by default |
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10 | !!---------------------------------------------------------------------- |
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11 | |
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12 | !!---------------------------------------------------------------------- |
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13 | !! glob_sum : generic interface for global masked summation over |
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14 | !! the interior domain for 1 or 2 2D or 3D arrays |
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15 | !! it works only for T points |
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16 | !! SIGN : generic interface for SIGN to overwrite f95 behaviour |
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17 | !! of intrinsinc sign function |
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18 | !!---------------------------------------------------------------------- |
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19 | USE par_oce ! Ocean parameter |
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20 | USE dom_oce ! ocean domain |
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21 | USE in_out_manager ! I/O manager |
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22 | USE lib_mpp ! distributed memory computing |
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23 | USE lbclnk ! ocean lateral boundary conditions |
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24 | |
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25 | IMPLICIT NONE |
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26 | PRIVATE |
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27 | |
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28 | PUBLIC glob_sum ! used in many places (masked with tmask_i) |
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29 | PUBLIC glob_sum_full ! used in many places (masked with tmask_h, ie only over the halos) |
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30 | PUBLIC local_sum ! used in trcrad, local operation before glob_sum_delay |
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31 | PUBLIC sum3x3 ! used in trcrad, do a sum over 3x3 boxes |
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32 | PUBLIC DDPDD ! also used in closea module |
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33 | PUBLIC glob_min, glob_max |
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34 | #if defined key_nosignedzero |
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35 | PUBLIC SIGN |
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36 | #endif |
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37 | |
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38 | INTERFACE glob_sum |
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39 | MODULE PROCEDURE glob_sum_1d_sp, glob_sum_2d_sp, glob_sum_3d_sp |
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40 | MODULE PROCEDURE glob_sum_1d_dp, glob_sum_2d_dp, glob_sum_3d_dp |
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41 | END INTERFACE |
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42 | INTERFACE glob_sum_full |
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43 | MODULE PROCEDURE glob_sum_full_2d_sp, glob_sum_full_3d_sp |
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44 | MODULE PROCEDURE glob_sum_full_2d_dp, glob_sum_full_3d_dp |
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45 | END INTERFACE |
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46 | INTERFACE local_sum |
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47 | MODULE PROCEDURE local_sum_2d, local_sum_3d |
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48 | END INTERFACE |
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49 | INTERFACE sum3x3 |
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50 | MODULE PROCEDURE sum3x3_2d, sum3x3_3d |
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51 | END INTERFACE |
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52 | INTERFACE glob_min |
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53 | MODULE PROCEDURE glob_min_2d_sp, glob_min_3d_sp |
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54 | MODULE PROCEDURE glob_min_2d_dp, glob_min_3d_dp |
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55 | END INTERFACE |
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56 | INTERFACE glob_max |
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57 | MODULE PROCEDURE glob_max_2d_sp, glob_max_3d_sp |
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58 | MODULE PROCEDURE glob_max_2d_dp, glob_max_3d_dp |
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59 | END INTERFACE |
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60 | |
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61 | #if defined key_nosignedzero |
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62 | INTERFACE SIGN |
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63 | MODULE PROCEDURE SIGN_SCALAR, SIGN_ARRAY_1D, SIGN_ARRAY_2D, SIGN_ARRAY_3D, & |
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64 | & SIGN_ARRAY_1D_A, SIGN_ARRAY_2D_A, SIGN_ARRAY_3D_A, & |
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65 | & SIGN_ARRAY_1D_B, SIGN_ARRAY_2D_B, SIGN_ARRAY_3D_B |
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66 | END INTERFACE |
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67 | #endif |
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68 | |
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69 | !! * Substitutions |
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70 | # include "do_loop_substitute.h90" |
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71 | !!---------------------------------------------------------------------- |
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72 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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73 | !! $Id$ |
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74 | !! Software governed by the CeCILL license (see ./LICENSE) |
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75 | !!---------------------------------------------------------------------- |
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76 | CONTAINS |
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77 | |
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78 | |
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79 | ! ! FUNCTION global_sum ! |
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80 | ! ! single precision version ! |
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81 | # define PRECISION sp |
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82 | # include "lib_fortran_globsum.h90" |
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83 | # undef PRECISION |
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84 | ! ! double precision version ! |
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85 | # define PRECISION dp |
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86 | # include "lib_fortran_globsum.h90" |
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87 | # undef PRECISION |
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88 | |
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89 | ! ! FUNCTION local_sum ! |
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90 | |
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91 | FUNCTION local_sum_2d( ptab ) |
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92 | !!---------------------------------------------------------------------- |
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93 | REAL(dp), INTENT(in ) :: ptab(:,:) ! array on which operation is applied |
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94 | COMPLEX(dp) :: local_sum_2d |
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95 | ! |
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96 | !!----------------------------------------------------------------------- |
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97 | ! |
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98 | COMPLEX(dp):: ctmp |
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99 | REAL(dp) :: ztmp |
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100 | INTEGER :: ji, jj ! dummy loop indices |
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101 | INTEGER :: ipi, ipj ! dimensions |
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102 | !!----------------------------------------------------------------------- |
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103 | ! |
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104 | ipi = SIZE(ptab,1) ! 1st dimension |
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105 | ipj = SIZE(ptab,2) ! 2nd dimension |
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106 | ! |
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107 | ctmp = CMPLX( 0.e0, 0.e0, wp ) ! warning ctmp is cumulated |
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108 | |
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109 | DO jj = 1, ipj |
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110 | DO ji = 1, ipi |
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111 | ztmp = ptab(ji,jj) * tmask_i(ji,jj) |
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112 | CALL DDPDD( CMPLX( ztmp, 0.e0, dp ), ctmp ) |
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113 | END DO |
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114 | END DO |
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115 | ! |
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116 | local_sum_2d = ctmp |
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117 | |
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118 | END FUNCTION local_sum_2d |
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119 | |
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120 | FUNCTION local_sum_3d( ptab ) |
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121 | !!---------------------------------------------------------------------- |
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122 | REAL(wp), INTENT(in ) :: ptab(:,:,:) ! array on which operation is applied |
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123 | COMPLEX(dp) :: local_sum_3d |
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124 | ! |
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125 | !!----------------------------------------------------------------------- |
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126 | ! |
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127 | COMPLEX(dp):: ctmp |
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128 | REAL(dp) :: ztmp |
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129 | INTEGER :: ji, jj, jk ! dummy loop indices |
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130 | INTEGER :: ipi, ipj, ipk ! dimensions |
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131 | !!----------------------------------------------------------------------- |
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132 | ! |
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133 | ipi = SIZE(ptab,1) ! 1st dimension |
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134 | ipj = SIZE(ptab,2) ! 2nd dimension |
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135 | ipk = SIZE(ptab,3) ! 3rd dimension |
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136 | ! |
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137 | ctmp = CMPLX( 0.e0, 0.e0, wp ) ! warning ctmp is cumulated |
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138 | |
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139 | DO jk = 1, ipk |
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140 | DO jj = 1, ipj |
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141 | DO ji = 1, ipi |
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142 | ztmp = ptab(ji,jj,jk) * tmask_i(ji,jj) |
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143 | CALL DDPDD( CMPLX( ztmp, 0.e0, dp ), ctmp ) |
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144 | END DO |
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145 | END DO |
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146 | END DO |
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147 | ! |
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148 | local_sum_3d = ctmp |
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149 | |
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150 | END FUNCTION local_sum_3d |
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151 | |
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152 | ! ! FUNCTION sum3x3 ! |
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153 | |
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154 | SUBROUTINE sum3x3_2d( p2d ) |
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155 | !!----------------------------------------------------------------------- |
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156 | !! *** routine sum3x3_2d *** |
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157 | !! |
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158 | !! ** Purpose : sum over 3x3 boxes |
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159 | !!---------------------------------------------------------------------- |
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160 | REAL(dp), DIMENSION (:,:), INTENT(inout) :: p2d |
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161 | ! |
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162 | INTEGER :: ji, ji2, jj, jj2 ! dummy loop indices |
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163 | !!---------------------------------------------------------------------- |
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164 | ! |
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165 | IF( SIZE(p2d,1) /= jpi ) CALL ctl_stop( 'STOP', 'wrong call of sum3x3_2d, the first dimension is not equal to jpi' ) |
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166 | IF( SIZE(p2d,2) /= jpj ) CALL ctl_stop( 'STOP', 'wrong call of sum3x3_2d, the second dimension is not equal to jpj' ) |
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167 | ! |
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168 | ! work over the whole domain (guarantees all internal cells are set when nn_hls=2) |
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169 | ! |
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170 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
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171 | IF( MOD(mig(ji), 3) == MOD(nn_hls, 3) .AND. & ! 1st bottom left corner always at (Nis0-1, Njs0-1) |
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172 | & MOD(mjg(jj), 3) == MOD(nn_hls, 3) ) THEN ! bottom left corner of a 3x3 box |
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173 | ji2 = MIN(mig(ji)+2, jpiglo) - nimpp + 1 ! right position of the box |
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174 | jj2 = MIN(mjg(jj)+2, jpjglo) - njmpp + 1 ! upper position of the box |
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175 | IF( ji2 <= jpi .AND. jj2 <= jpj ) THEN ! the box is fully included in the local mpi domain |
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176 | p2d(ji:ji2,jj:jj2) = SUM(p2d(ji:ji2,jj:jj2)) |
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177 | ENDIF |
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178 | ENDIF |
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179 | END_2D |
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180 | CALL lbc_lnk( 'lib_fortran', p2d, 'T', 1.0_wp ) |
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181 | ! no need for 2nd exchange when nn_hls > 1 |
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182 | IF( nn_hls == 1 ) THEN |
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183 | IF( mpiRnei(nn_hls,jpwe) > -1 ) THEN ! 1st column was changed during the previous call to lbc_lnk |
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184 | IF( MOD(mig( 1), 3) == 1 ) & ! 1st box start at i=1 -> column 1 to 3 correctly computed locally |
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185 | p2d( 1,:) = p2d( 2,:) ! previous lbc_lnk corrupted column 1 -> put it back using column 2 |
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186 | IF( MOD(mig( 1), 3) == 2 ) & ! 1st box start at i=3 -> column 1 and 2 correctly computed on west neighbourh |
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187 | p2d( 2,:) = p2d( 1,:) ! previous lbc_lnk fix column 1 -> copy it to column 2 |
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188 | ENDIF |
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189 | IF( mpiRnei(nn_hls,jpea) > -1 ) THEN |
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190 | IF( MOD(mig(jpi-2), 3) == 1 ) p2d( jpi,:) = p2d(jpi-1,:) |
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191 | IF( MOD(mig(jpi-2), 3) == 0 ) p2d(jpi-1,:) = p2d( jpi,:) |
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192 | ENDIF |
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193 | IF( mpiRnei(nn_hls,jpso) > -1 ) THEN |
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194 | IF( MOD(mjg( 1), 3) == 1 ) p2d(:, 1) = p2d(:, 2) |
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195 | IF( MOD(mjg( 1), 3) == 2 ) p2d(:, 2) = p2d(:, 1) |
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196 | ENDIF |
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197 | IF( mpiRnei(nn_hls,jpno) > -1 ) THEN |
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198 | IF( MOD(mjg(jpj-2), 3) == 1 ) p2d(:, jpj) = p2d(:,jpj-1) |
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199 | IF( MOD(mjg(jpj-2), 3) == 0 ) p2d(:,jpj-1) = p2d(:, jpj) |
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200 | ENDIF |
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201 | CALL lbc_lnk( 'lib_fortran', p2d, 'T', 1.0_wp ) |
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202 | ENDIF |
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203 | |
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204 | END SUBROUTINE sum3x3_2d |
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205 | |
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206 | SUBROUTINE sum3x3_3d( p3d ) |
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207 | !!----------------------------------------------------------------------- |
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208 | !! *** routine sum3x3_3d *** |
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209 | !! |
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210 | !! ** Purpose : sum over 3x3 boxes |
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211 | !!---------------------------------------------------------------------- |
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212 | REAL(dp), DIMENSION (:,:,:), INTENT(inout) :: p3d |
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213 | ! |
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214 | INTEGER :: ji, ji2, jj, jj2, jn ! dummy loop indices |
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215 | INTEGER :: ipn ! Third dimension size |
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216 | !!---------------------------------------------------------------------- |
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217 | ! |
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218 | IF( SIZE(p3d,1) /= jpi ) CALL ctl_stop( 'STOP', 'wrong call of sum3x3_3d, the first dimension is not equal to jpi' ) |
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219 | IF( SIZE(p3d,2) /= jpj ) CALL ctl_stop( 'STOP', 'wrong call of sum3x3_3d, the second dimension is not equal to jpj' ) |
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220 | ipn = SIZE(p3d,3) |
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221 | ! |
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222 | DO jn = 1, ipn |
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223 | ! |
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224 | ! work over the whole domain (guarantees all internal cells are set when nn_hls=2) |
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225 | ! |
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226 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
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227 | IF( MOD(mig(ji), 3) == MOD(nn_hls, 3) .AND. & ! 1st bottom left corner always at (Nis0-1, Njs0-1) |
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228 | & MOD(mjg(jj), 3) == MOD(nn_hls, 3) ) THEN ! bottom left corner of a 3x3 box |
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229 | ji2 = MIN(mig(ji)+2, jpiglo) - nimpp + 1 ! right position of the box |
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230 | jj2 = MIN(mjg(jj)+2, jpjglo) - njmpp + 1 ! upper position of the box |
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231 | IF( ji2 <= jpi .AND. jj2 <= jpj ) THEN ! the box is fully included in the local mpi domain |
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232 | p3d(ji:ji2,jj:jj2,jn) = SUM(p3d(ji:ji2,jj:jj2,jn)) |
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233 | ENDIF |
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234 | ENDIF |
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235 | END_2D |
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236 | END DO |
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237 | CALL lbc_lnk( 'lib_fortran', p3d, 'T', 1.0_wp ) |
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238 | ! no need for 2nd exchange when nn_hls > 1 |
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239 | IF( nn_hls == 1 ) THEN |
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240 | IF( mpiRnei(nn_hls,jpwe) > -1 ) THEN ! 1st column was changed during the previous call to lbc_lnk |
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241 | IF( MOD(mig( 1), 3) == 1 ) & ! 1st box start at i=1 -> column 1 to 3 correctly computed locally |
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242 | p3d( 1,:,:) = p3d( 2,:,:) ! previous lbc_lnk corrupted column 1 -> put it back using column 2 |
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243 | IF( MOD(mig( 1), 3) == 2 ) & ! 1st box start at i=3 -> column 1 and 2 correctly computed on west neighbourh |
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244 | p3d( 2,:,:) = p3d( 1,:,:) ! previous lbc_lnk fix column 1 -> copy it to column 2 |
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245 | ENDIF |
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246 | IF( mpiRnei(nn_hls,jpea) > -1 ) THEN |
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247 | IF( MOD(mig(jpi-2), 3) == 1 ) p3d( jpi,:,:) = p3d(jpi-1,:,:) |
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248 | IF( MOD(mig(jpi-2), 3) == 0 ) p3d(jpi-1,:,:) = p3d( jpi,:,:) |
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249 | ENDIF |
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250 | IF( mpiRnei(nn_hls,jpso) > -1 ) THEN |
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251 | IF( MOD(mjg( 1), 3) == 1 ) p3d(:, 1,:) = p3d(:, 2,:) |
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252 | IF( MOD(mjg( 1), 3) == 2 ) p3d(:, 2,:) = p3d(:, 1,:) |
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253 | ENDIF |
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254 | IF( mpiRnei(nn_hls,jpno) > -1 ) THEN |
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255 | IF( MOD(mjg(jpj-2), 3) == 1 ) p3d(:, jpj,:) = p3d(:,jpj-1,:) |
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256 | IF( MOD(mjg(jpj-2), 3) == 0 ) p3d(:,jpj-1,:) = p3d(:, jpj,:) |
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257 | ENDIF |
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258 | CALL lbc_lnk( 'lib_fortran', p3d, 'T', 1.0_wp ) |
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259 | ENDIF |
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260 | |
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261 | END SUBROUTINE sum3x3_3d |
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262 | |
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263 | |
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264 | SUBROUTINE DDPDD( ydda, yddb ) |
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265 | !!---------------------------------------------------------------------- |
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266 | !! *** ROUTINE DDPDD *** |
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267 | !! |
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268 | !! ** Purpose : Add a scalar element to a sum |
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269 | !! |
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270 | !! |
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271 | !! ** Method : The code uses the compensated summation with doublet |
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272 | !! (sum,error) emulated useing complex numbers. ydda is the |
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273 | !! scalar to add to the summ yddb |
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274 | !! |
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275 | !! ** Action : This does only work for MPI. |
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276 | !! |
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277 | !! References : Using Acurate Arithmetics to Improve Numerical |
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278 | !! Reproducibility and Sability in Parallel Applications |
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279 | !! Yun HE and Chris H. Q. DING, Journal of Supercomputing 18, 259-277, 2001 |
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280 | !!---------------------------------------------------------------------- |
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281 | COMPLEX(dp), INTENT(in ) :: ydda |
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282 | COMPLEX(dp), INTENT(inout) :: yddb |
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283 | ! |
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284 | REAL(dp) :: zerr, zt1, zt2 ! local work variables |
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285 | !!----------------------------------------------------------------------- |
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286 | ! |
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287 | ! Compute ydda + yddb using Knuth's trick. |
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288 | zt1 = REAL(ydda) + REAL(yddb) |
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289 | zerr = zt1 - REAL(ydda) |
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290 | zt2 = ( (REAL(yddb) - zerr) + (REAL(ydda) - (zt1 - zerr)) ) & |
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291 | & + AIMAG(ydda) + AIMAG(yddb) |
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292 | ! |
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293 | ! The result is t1 + t2, after normalization. |
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294 | yddb = CMPLX( zt1 + zt2, zt2 - ((zt1 + zt2) - zt1), dp ) |
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295 | ! |
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296 | END SUBROUTINE DDPDD |
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297 | |
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298 | #if defined key_nosignedzero |
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299 | !!---------------------------------------------------------------------- |
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300 | !! 'key_nosignedzero' F90 SIGN |
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301 | !!---------------------------------------------------------------------- |
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302 | |
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303 | FUNCTION SIGN_SCALAR( pa, pb ) |
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304 | !!----------------------------------------------------------------------- |
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305 | !! *** FUNCTION SIGN_SCALAR *** |
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306 | !! |
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307 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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308 | !!----------------------------------------------------------------------- |
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309 | REAL(wp) :: pa,pb ! input |
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310 | REAL(wp) :: SIGN_SCALAR ! result |
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311 | !!----------------------------------------------------------------------- |
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312 | IF ( pb >= 0.e0) THEN ; SIGN_SCALAR = ABS(pa) |
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313 | ELSE ; SIGN_SCALAR =-ABS(pa) |
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314 | ENDIF |
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315 | END FUNCTION SIGN_SCALAR |
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316 | |
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317 | |
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318 | FUNCTION SIGN_ARRAY_1D( pa, pb ) |
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319 | !!----------------------------------------------------------------------- |
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320 | !! *** FUNCTION SIGN_ARRAY_1D *** |
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321 | !! |
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322 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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323 | !!----------------------------------------------------------------------- |
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324 | REAL(wp) :: pa,pb(:) ! input |
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325 | REAL(wp) :: SIGN_ARRAY_1D(SIZE(pb,1)) ! result |
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326 | !!----------------------------------------------------------------------- |
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327 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D = ABS(pa) |
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328 | ELSEWHERE ; SIGN_ARRAY_1D =-ABS(pa) |
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329 | END WHERE |
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330 | END FUNCTION SIGN_ARRAY_1D |
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331 | |
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332 | |
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333 | FUNCTION SIGN_ARRAY_2D(pa,pb) |
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334 | !!----------------------------------------------------------------------- |
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335 | !! *** FUNCTION SIGN_ARRAY_2D *** |
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336 | !! |
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337 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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338 | !!----------------------------------------------------------------------- |
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339 | REAL(wp) :: pa,pb(:,:) ! input |
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340 | REAL(wp) :: SIGN_ARRAY_2D(SIZE(pb,1),SIZE(pb,2)) ! result |
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341 | !!----------------------------------------------------------------------- |
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342 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D = ABS(pa) |
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343 | ELSEWHERE ; SIGN_ARRAY_2D =-ABS(pa) |
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344 | END WHERE |
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345 | END FUNCTION SIGN_ARRAY_2D |
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346 | |
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347 | FUNCTION SIGN_ARRAY_3D(pa,pb) |
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348 | !!----------------------------------------------------------------------- |
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349 | !! *** FUNCTION SIGN_ARRAY_3D *** |
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350 | !! |
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351 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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352 | !!----------------------------------------------------------------------- |
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353 | REAL(wp) :: pa,pb(:,:,:) ! input |
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354 | REAL(wp) :: SIGN_ARRAY_3D(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result |
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355 | !!----------------------------------------------------------------------- |
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356 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D = ABS(pa) |
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357 | ELSEWHERE ; SIGN_ARRAY_3D =-ABS(pa) |
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358 | END WHERE |
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359 | END FUNCTION SIGN_ARRAY_3D |
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360 | |
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361 | |
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362 | FUNCTION SIGN_ARRAY_1D_A(pa,pb) |
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363 | !!----------------------------------------------------------------------- |
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364 | !! *** FUNCTION SIGN_ARRAY_1D_A *** |
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365 | !! |
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366 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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367 | !!----------------------------------------------------------------------- |
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368 | REAL(wp) :: pa(:),pb(:) ! input |
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369 | REAL(wp) :: SIGN_ARRAY_1D_A(SIZE(pb,1)) ! result |
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370 | !!----------------------------------------------------------------------- |
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371 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D_A = ABS(pa) |
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372 | ELSEWHERE ; SIGN_ARRAY_1D_A =-ABS(pa) |
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373 | END WHERE |
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374 | END FUNCTION SIGN_ARRAY_1D_A |
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375 | |
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376 | |
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377 | FUNCTION SIGN_ARRAY_2D_A(pa,pb) |
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378 | !!----------------------------------------------------------------------- |
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379 | !! *** FUNCTION SIGN_ARRAY_2D_A *** |
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380 | !! |
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381 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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382 | !!----------------------------------------------------------------------- |
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383 | REAL(wp) :: pa(:,:),pb(:,:) ! input |
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384 | REAL(wp) :: SIGN_ARRAY_2D_A(SIZE(pb,1),SIZE(pb,2)) ! result |
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385 | !!----------------------------------------------------------------------- |
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386 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D_A = ABS(pa) |
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387 | ELSEWHERE ; SIGN_ARRAY_2D_A =-ABS(pa) |
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388 | END WHERE |
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389 | END FUNCTION SIGN_ARRAY_2D_A |
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390 | |
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391 | |
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392 | FUNCTION SIGN_ARRAY_3D_A(pa,pb) |
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393 | !!----------------------------------------------------------------------- |
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394 | !! *** FUNCTION SIGN_ARRAY_3D_A *** |
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395 | !! |
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396 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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397 | !!----------------------------------------------------------------------- |
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398 | REAL(wp) :: pa(:,:,:),pb(:,:,:) ! input |
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399 | REAL(wp) :: SIGN_ARRAY_3D_A(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result |
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400 | !!----------------------------------------------------------------------- |
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401 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D_A = ABS(pa) |
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402 | ELSEWHERE ; SIGN_ARRAY_3D_A =-ABS(pa) |
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403 | END WHERE |
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404 | END FUNCTION SIGN_ARRAY_3D_A |
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405 | |
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406 | |
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407 | FUNCTION SIGN_ARRAY_1D_B(pa,pb) |
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408 | !!----------------------------------------------------------------------- |
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409 | !! *** FUNCTION SIGN_ARRAY_1D_B *** |
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410 | !! |
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411 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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412 | !!----------------------------------------------------------------------- |
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413 | REAL(wp) :: pa(:),pb ! input |
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414 | REAL(wp) :: SIGN_ARRAY_1D_B(SIZE(pa,1)) ! result |
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415 | !!----------------------------------------------------------------------- |
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416 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_1D_B = ABS(pa) |
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417 | ELSE ; SIGN_ARRAY_1D_B =-ABS(pa) |
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418 | ENDIF |
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419 | END FUNCTION SIGN_ARRAY_1D_B |
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420 | |
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421 | |
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422 | FUNCTION SIGN_ARRAY_2D_B(pa,pb) |
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423 | !!----------------------------------------------------------------------- |
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424 | !! *** FUNCTION SIGN_ARRAY_2D_B *** |
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425 | !! |
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426 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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427 | !!----------------------------------------------------------------------- |
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428 | REAL(wp) :: pa(:,:),pb ! input |
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429 | REAL(wp) :: SIGN_ARRAY_2D_B(SIZE(pa,1),SIZE(pa,2)) ! result |
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430 | !!----------------------------------------------------------------------- |
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431 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_2D_B = ABS(pa) |
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432 | ELSE ; SIGN_ARRAY_2D_B =-ABS(pa) |
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433 | ENDIF |
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434 | END FUNCTION SIGN_ARRAY_2D_B |
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435 | |
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436 | |
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437 | FUNCTION SIGN_ARRAY_3D_B(pa,pb) |
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438 | !!----------------------------------------------------------------------- |
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439 | !! *** FUNCTION SIGN_ARRAY_3D_B *** |
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440 | !! |
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441 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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442 | !!----------------------------------------------------------------------- |
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443 | REAL(wp) :: pa(:,:,:),pb ! input |
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444 | REAL(wp) :: SIGN_ARRAY_3D_B(SIZE(pa,1),SIZE(pa,2),SIZE(pa,3)) ! result |
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445 | !!----------------------------------------------------------------------- |
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446 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_3D_B = ABS(pa) |
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447 | ELSE ; SIGN_ARRAY_3D_B =-ABS(pa) |
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448 | ENDIF |
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449 | END FUNCTION SIGN_ARRAY_3D_B |
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450 | #endif |
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451 | |
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452 | !!====================================================================== |
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453 | END MODULE lib_fortran |
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