[2003] | 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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[2307] | 6 | !! History : 3.2 ! 2010-05 (M. Dunphy, R. Benshila) Original code |
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[4161] | 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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[7646] | 9 | !! 4.0 ! 2016-06 (T. Lovato) double precision global sum by default |
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[2003] | 10 | !!---------------------------------------------------------------------- |
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[2307] | 11 | |
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[2003] | 12 | !!---------------------------------------------------------------------- |
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[3764] | 13 | !! glob_sum : generic interface for global masked summation over |
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[2307] | 14 | !! the interior domain for 1 or 2 2D or 3D arrays |
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[3764] | 15 | !! it works only for T points |
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[2307] | 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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[3632] | 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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[10425] | 23 | USE lbclnk ! ocean lateral boundary conditions |
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[2003] | 24 | |
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| 25 | IMPLICIT NONE |
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| 26 | PRIVATE |
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| 27 | |
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[6140] | 28 | PUBLIC glob_sum ! used in many places (masked with tmask_i) |
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[7646] | 29 | PUBLIC glob_sum_full ! used in many places (masked with tmask_h, ie only over the halos) |
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[10425] | 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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[6140] | 32 | PUBLIC DDPDD ! also used in closea module |
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[4161] | 33 | PUBLIC glob_min, glob_max |
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[2341] | 34 | #if defined key_nosignedzero |
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[2003] | 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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[14219] | 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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[2003] | 41 | END INTERFACE |
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[6140] | 42 | INTERFACE glob_sum_full |
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[14219] | 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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[6140] | 45 | END INTERFACE |
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[10425] | 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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[4161] | 52 | INTERFACE glob_min |
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[14219] | 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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[4161] | 55 | END INTERFACE |
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| 56 | INTERFACE glob_max |
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[14219] | 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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[4161] | 59 | END INTERFACE |
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[2003] | 60 | |
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[3764] | 61 | #if defined key_nosignedzero |
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[2003] | 62 | INTERFACE SIGN |
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[2307] | 63 | MODULE PROCEDURE SIGN_SCALAR, SIGN_ARRAY_1D, SIGN_ARRAY_2D, SIGN_ARRAY_3D, & |
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[3764] | 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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[2003] | 66 | END INTERFACE |
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| 67 | #endif |
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| 68 | |
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[12377] | 69 | !! * Substitutions |
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| 70 | # include "do_loop_substitute.h90" |
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[2307] | 71 | !!---------------------------------------------------------------------- |
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[9598] | 72 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[3764] | 73 | !! $Id$ |
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[10068] | 74 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[2307] | 75 | !!---------------------------------------------------------------------- |
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[3764] | 76 | CONTAINS |
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[2003] | 77 | |
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[3764] | 78 | |
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[14286] | 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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[2307] | 88 | |
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[10425] | 89 | ! ! FUNCTION local_sum ! |
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| 90 | |
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| 91 | FUNCTION local_sum_2d( ptab ) |
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[2307] | 92 | !!---------------------------------------------------------------------- |
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[10425] | 93 | REAL(wp), INTENT(in ) :: ptab(:,:) ! array on which operation is applied |
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[13226] | 94 | COMPLEX(dp) :: local_sum_2d |
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[10425] | 95 | ! |
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[2003] | 96 | !!----------------------------------------------------------------------- |
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[2307] | 97 | ! |
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[13226] | 98 | COMPLEX(dp):: ctmp |
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[2307] | 99 | REAL(wp) :: ztmp |
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[10425] | 100 | INTEGER :: ji, jj ! dummy loop indices |
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| 101 | INTEGER :: ipi, ipj ! dimensions |
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[2307] | 102 | !!----------------------------------------------------------------------- |
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| 103 | ! |
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[10425] | 104 | ipi = SIZE(ptab,1) ! 1st dimension |
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| 105 | ipj = SIZE(ptab,2) ! 2nd dimension |
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[4161] | 106 | ! |
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[10425] | 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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[13226] | 112 | CALL DDPDD( CMPLX( ztmp, 0.e0, dp ), ctmp ) |
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[10425] | 113 | END DO |
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[2307] | 114 | END DO |
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| 115 | ! |
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[10425] | 116 | local_sum_2d = ctmp |
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| 117 | |
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| 118 | END FUNCTION local_sum_2d |
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[2307] | 119 | |
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[10425] | 120 | FUNCTION local_sum_3d( ptab ) |
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[6140] | 121 | !!---------------------------------------------------------------------- |
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[10425] | 122 | REAL(wp), INTENT(in ) :: ptab(:,:,:) ! array on which operation is applied |
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[13226] | 123 | COMPLEX(dp) :: local_sum_3d |
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[10425] | 124 | ! |
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[6140] | 125 | !!----------------------------------------------------------------------- |
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| 126 | ! |
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[13226] | 127 | COMPLEX(dp):: ctmp |
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[6140] | 128 | REAL(wp) :: ztmp |
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| 129 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[10425] | 130 | INTEGER :: ipi, ipj, ipk ! dimensions |
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[6140] | 131 | !!----------------------------------------------------------------------- |
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| 132 | ! |
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[10425] | 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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[6140] | 136 | ! |
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[10425] | 137 | ctmp = CMPLX( 0.e0, 0.e0, wp ) ! warning ctmp is cumulated |
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[6140] | 138 | |
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[10425] | 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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[13226] | 143 | CALL DDPDD( CMPLX( ztmp, 0.e0, dp ), ctmp ) |
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[10425] | 144 | END DO |
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| 145 | END DO |
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[4161] | 146 | END DO |
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| 147 | ! |
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[10425] | 148 | local_sum_3d = ctmp |
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| 149 | |
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| 150 | END FUNCTION local_sum_3d |
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[4161] | 151 | |
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[10425] | 152 | ! ! FUNCTION sum3x3 ! |
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[4161] | 153 | |
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[10425] | 154 | SUBROUTINE sum3x3_2d( p2d ) |
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[4161] | 155 | !!----------------------------------------------------------------------- |
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[10425] | 156 | !! *** routine sum3x3_2d *** |
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[4161] | 157 | !! |
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[10425] | 158 | !! ** Purpose : sum over 3x3 boxes |
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| 159 | !!---------------------------------------------------------------------- |
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| 160 | REAL(wp), DIMENSION (:,:), INTENT(inout) :: p2d |
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[4161] | 161 | ! |
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[10425] | 162 | INTEGER :: ji, ji2, jj, jj2 ! dummy loop indices |
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| 163 | !!---------------------------------------------------------------------- |
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[4161] | 164 | ! |
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[10425] | 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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[4161] | 167 | ! |
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[13324] | 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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[14644] | 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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[13327] | 172 | & MOD(mjg(jj), 3) == MOD(nn_hls, 3) ) THEN ! bottom left corner of a 3x3 box |
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[12377] | 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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[10425] | 177 | ENDIF |
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[12377] | 178 | ENDIF |
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| 179 | END_2D |
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[13226] | 180 | CALL lbc_lnk( 'lib_fortran', p2d, 'T', 1.0_wp ) |
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[14644] | 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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[13324] | 188 | ENDIF |
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[14644] | 189 | IF( mpiRnei(nn_hls,jpea) > -1 ) THEN |
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[13324] | 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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[14644] | 193 | IF( mpiRnei(nn_hls,jpso) > -1 ) THEN |
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[13324] | 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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[14644] | 197 | IF( mpiRnei(nn_hls,jpno) > -1 ) THEN |
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[13324] | 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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[10425] | 202 | ENDIF |
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[4161] | 203 | |
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[10425] | 204 | END SUBROUTINE sum3x3_2d |
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| 205 | |
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| 206 | SUBROUTINE sum3x3_3d( p3d ) |
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[4161] | 207 | !!----------------------------------------------------------------------- |
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[10425] | 208 | !! *** routine sum3x3_3d *** |
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[4161] | 209 | !! |
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[10425] | 210 | !! ** Purpose : sum over 3x3 boxes |
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| 211 | !!---------------------------------------------------------------------- |
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| 212 | REAL(wp), DIMENSION (:,:,:), INTENT(inout) :: p3d |
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[4161] | 213 | ! |
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[10425] | 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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[4161] | 217 | ! |
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[10425] | 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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[4161] | 221 | ! |
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[10425] | 222 | DO jn = 1, ipn |
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[13324] | 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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[14644] | 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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[13327] | 228 | & MOD(mjg(jj), 3) == MOD(nn_hls, 3) ) THEN ! bottom left corner of a 3x3 box |
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[12377] | 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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[10425] | 233 | ENDIF |
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[12377] | 234 | ENDIF |
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| 235 | END_2D |
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[4161] | 236 | END DO |
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[13226] | 237 | CALL lbc_lnk( 'lib_fortran', p3d, 'T', 1.0_wp ) |
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[14644] | 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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[13324] | 245 | ENDIF |
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[14644] | 246 | IF( mpiRnei(nn_hls,jpea) > -1 ) THEN |
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[13324] | 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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[14644] | 250 | IF( mpiRnei(nn_hls,jpso) > -1 ) THEN |
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[13324] | 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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[14644] | 254 | IF( mpiRnei(nn_hls,jpno) > -1 ) THEN |
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[13324] | 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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[10425] | 259 | ENDIF |
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[4161] | 260 | |
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[10425] | 261 | END SUBROUTINE sum3x3_3d |
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[4161] | 262 | |
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| 263 | |
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[2003] | 264 | SUBROUTINE DDPDD( ydda, yddb ) |
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| 265 | !!---------------------------------------------------------------------- |
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| 266 | !! *** ROUTINE DDPDD *** |
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[3764] | 267 | !! |
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[2003] | 268 | !! ** Purpose : Add a scalar element to a sum |
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| 269 | !! |
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[3764] | 270 | !! |
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| 271 | !! ** Method : The code uses the compensated summation with doublet |
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[2003] | 272 | !! (sum,error) emulated useing complex numbers. ydda is the |
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[3764] | 273 | !! scalar to add to the summ yddb |
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[2003] | 274 | !! |
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[3764] | 275 | !! ** Action : This does only work for MPI. |
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| 276 | !! |
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[2003] | 277 | !! References : Using Acurate Arithmetics to Improve Numerical |
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| 278 | !! Reproducibility and Sability in Parallel Applications |
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[3764] | 279 | !! Yun HE and Chris H. Q. DING, Journal of Supercomputing 18, 259-277, 2001 |
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[2003] | 280 | !!---------------------------------------------------------------------- |
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[13226] | 281 | COMPLEX(dp), INTENT(in ) :: ydda |
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| 282 | COMPLEX(dp), INTENT(inout) :: yddb |
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[2307] | 283 | ! |
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[13226] | 284 | REAL(dp) :: zerr, zt1, zt2 ! local work variables |
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[2307] | 285 | !!----------------------------------------------------------------------- |
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| 286 | ! |
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[2003] | 287 | ! Compute ydda + yddb using Knuth's trick. |
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[2307] | 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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[2003] | 293 | ! The result is t1 + t2, after normalization. |
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[2307] | 294 | yddb = CMPLX( zt1 + zt2, zt2 - ((zt1 + zt2) - zt1), wp ) |
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| 295 | ! |
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[2003] | 296 | END SUBROUTINE DDPDD |
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| 297 | |
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| 298 | #if defined key_nosignedzero |
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[2307] | 299 | !!---------------------------------------------------------------------- |
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| 300 | !! 'key_nosignedzero' F90 SIGN |
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| 301 | !!---------------------------------------------------------------------- |
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[3764] | 302 | |
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[2307] | 303 | FUNCTION SIGN_SCALAR( pa, pb ) |
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[2003] | 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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[2307] | 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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[2003] | 314 | ENDIF |
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| 315 | END FUNCTION SIGN_SCALAR |
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| 316 | |
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[2307] | 317 | |
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[3764] | 318 | FUNCTION SIGN_ARRAY_1D( pa, pb ) |
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[2003] | 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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[2307] | 324 | REAL(wp) :: pa,pb(:) ! input |
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[2003] | 325 | REAL(wp) :: SIGN_ARRAY_1D(SIZE(pb,1)) ! result |
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[2307] | 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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[2003] | 329 | END WHERE |
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| 330 | END FUNCTION SIGN_ARRAY_1D |
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| 331 | |
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[2307] | 332 | |
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[3764] | 333 | FUNCTION SIGN_ARRAY_2D(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 344 | END WHERE |
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| 345 | END FUNCTION SIGN_ARRAY_2D |
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| 346 | |
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[3764] | 347 | FUNCTION SIGN_ARRAY_3D(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 358 | END WHERE |
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| 359 | END FUNCTION SIGN_ARRAY_3D |
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| 360 | |
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[2307] | 361 | |
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[3764] | 362 | FUNCTION SIGN_ARRAY_1D_A(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 373 | END WHERE |
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| 374 | END FUNCTION SIGN_ARRAY_1D_A |
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| 375 | |
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[2307] | 376 | |
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[3764] | 377 | FUNCTION SIGN_ARRAY_2D_A(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 388 | END WHERE |
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| 389 | END FUNCTION SIGN_ARRAY_2D_A |
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| 390 | |
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[2307] | 391 | |
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[3764] | 392 | FUNCTION SIGN_ARRAY_3D_A(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 403 | END WHERE |
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| 404 | END FUNCTION SIGN_ARRAY_3D_A |
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| 405 | |
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[2307] | 406 | |
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[3764] | 407 | FUNCTION SIGN_ARRAY_1D_B(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 418 | ENDIF |
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| 419 | END FUNCTION SIGN_ARRAY_1D_B |
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| 420 | |
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[2307] | 421 | |
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[3764] | 422 | FUNCTION SIGN_ARRAY_2D_B(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 433 | ENDIF |
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| 434 | END FUNCTION SIGN_ARRAY_2D_B |
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| 435 | |
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[2307] | 436 | |
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[3764] | 437 | FUNCTION SIGN_ARRAY_3D_B(pa,pb) |
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[2003] | 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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[2307] | 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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[2003] | 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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[2307] | 452 | !!====================================================================== |
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[2003] | 453 | END MODULE lib_fortran |
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