[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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[2003] | 7 | !!---------------------------------------------------------------------- |
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[2307] | 8 | |
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[2003] | 9 | !!---------------------------------------------------------------------- |
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[3764] | 10 | !! glob_sum : generic interface for global masked summation over |
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[2307] | 11 | !! the interior domain for 1 or 2 2D or 3D arrays |
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[3764] | 12 | !! it works only for T points |
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[2307] | 13 | !! SIGN : generic interface for SIGN to overwrite f95 behaviour |
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| 14 | !! of intrinsinc sign function |
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| 15 | !!---------------------------------------------------------------------- |
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[3632] | 16 | USE par_oce ! Ocean parameter |
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| 17 | USE dom_oce ! ocean domain |
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| 18 | USE in_out_manager ! I/O manager |
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| 19 | USE lib_mpp ! distributed memory computing |
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[2003] | 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PRIVATE |
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| 23 | |
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[3632] | 24 | PUBLIC glob_sum ! used in many places |
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| 25 | PUBLIC DDPDD ! also used in closea module |
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[2341] | 26 | #if defined key_nosignedzero |
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[2003] | 27 | PUBLIC SIGN |
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| 28 | #endif |
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| 29 | |
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| 30 | INTERFACE glob_sum |
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[3764] | 31 | MODULE PROCEDURE glob_sum_1d, glob_sum_2d, glob_sum_3d, & |
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| 32 | & glob_sum_2d_a, glob_sum_3d_a |
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[2003] | 33 | END INTERFACE |
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| 34 | |
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[3764] | 35 | #if defined key_nosignedzero |
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[2003] | 36 | INTERFACE SIGN |
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[2307] | 37 | MODULE PROCEDURE SIGN_SCALAR, SIGN_ARRAY_1D, SIGN_ARRAY_2D, SIGN_ARRAY_3D, & |
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[3764] | 38 | & SIGN_ARRAY_1D_A, SIGN_ARRAY_2D_A, SIGN_ARRAY_3D_A, & |
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| 39 | & SIGN_ARRAY_1D_B, SIGN_ARRAY_2D_B, SIGN_ARRAY_3D_B |
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[2003] | 40 | END INTERFACE |
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| 41 | #endif |
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| 42 | |
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[2307] | 43 | !!---------------------------------------------------------------------- |
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| 44 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[3764] | 45 | !! $Id$ |
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[2307] | 46 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 47 | !!---------------------------------------------------------------------- |
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[3764] | 48 | CONTAINS |
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[2003] | 49 | |
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[2307] | 50 | #if ! defined key_mpp_rep |
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[3764] | 51 | FUNCTION glob_sum_1d( ptab, kdim ) |
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| 52 | !!----------------------------------------------------------------------- |
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| 53 | !! *** FUNCTION glob_sum_1D *** |
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| 54 | !! |
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| 55 | !! ** Purpose : perform a masked sum on the inner global domain of a 1D array |
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| 56 | !!----------------------------------------------------------------------- |
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| 57 | INTEGER :: kdim |
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| 58 | REAL(wp), INTENT(in), DIMENSION(kdim) :: ptab ! input 1D array |
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| 59 | REAL(wp) :: glob_sum_1d ! global sum |
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| 60 | !!----------------------------------------------------------------------- |
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| 61 | ! |
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| 62 | glob_sum_1d = SUM( ptab(:) ) |
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| 63 | IF( lk_mpp ) CALL mpp_sum( glob_sum_1d ) |
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| 64 | ! |
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| 65 | END FUNCTION glob_sum_1d |
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[3632] | 66 | |
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[3764] | 67 | FUNCTION glob_sum_2d( ptab ) |
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[2003] | 68 | !!----------------------------------------------------------------------- |
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| 69 | !! *** FUNCTION glob_sum_2D *** |
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| 70 | !! |
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[2307] | 71 | !! ** Purpose : perform a masked sum on the inner global domain of a 2D array |
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[2003] | 72 | !!----------------------------------------------------------------------- |
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[3294] | 73 | REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab ! input 2D array |
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| 74 | REAL(wp) :: glob_sum_2d ! global masked sum |
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[2003] | 75 | !!----------------------------------------------------------------------- |
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[2307] | 76 | ! |
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[3294] | 77 | glob_sum_2d = SUM( ptab(:,:)*tmask_i(:,:) ) |
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| 78 | IF( lk_mpp ) CALL mpp_sum( glob_sum_2d ) |
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[2307] | 79 | ! |
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[2003] | 80 | END FUNCTION glob_sum_2d |
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[3764] | 81 | |
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| 82 | |
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| 83 | FUNCTION glob_sum_3d( ptab ) |
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[2003] | 84 | !!----------------------------------------------------------------------- |
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| 85 | !! *** FUNCTION glob_sum_3D *** |
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| 86 | !! |
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[2307] | 87 | !! ** Purpose : perform a masked sum on the inner global domain of a 3D array |
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[2003] | 88 | !!----------------------------------------------------------------------- |
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[3294] | 89 | REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab ! input 3D array |
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| 90 | REAL(wp) :: glob_sum_3d ! global masked sum |
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[2307] | 91 | !! |
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[2003] | 92 | INTEGER :: jk |
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| 93 | !!----------------------------------------------------------------------- |
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[2307] | 94 | ! |
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[3294] | 95 | glob_sum_3d = 0.e0 |
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[2003] | 96 | DO jk = 1, jpk |
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[3294] | 97 | glob_sum_3d = glob_sum_3d + SUM( ptab(:,:,jk)*tmask_i(:,:) ) |
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[2003] | 98 | END DO |
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[3294] | 99 | IF( lk_mpp ) CALL mpp_sum( glob_sum_3d ) |
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[2307] | 100 | ! |
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[2003] | 101 | END FUNCTION glob_sum_3d |
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| 102 | |
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[2307] | 103 | |
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[3764] | 104 | FUNCTION glob_sum_2d_a( ptab1, ptab2 ) |
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[2003] | 105 | !!----------------------------------------------------------------------- |
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| 106 | !! *** FUNCTION glob_sum_2D _a *** |
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| 107 | !! |
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[2307] | 108 | !! ** Purpose : perform a masked sum on the inner global domain of two 2D array |
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[2003] | 109 | !!----------------------------------------------------------------------- |
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[3294] | 110 | REAL(wp), INTENT(in), DIMENSION(:,:) :: ptab1, ptab2 ! input 2D array |
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| 111 | REAL(wp) , DIMENSION(2) :: glob_sum_2d_a ! global masked sum |
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[2003] | 112 | !!----------------------------------------------------------------------- |
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[3764] | 113 | ! |
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[3294] | 114 | glob_sum_2d_a(1) = SUM( ptab1(:,:)*tmask_i(:,:) ) |
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| 115 | glob_sum_2d_a(2) = SUM( ptab2(:,:)*tmask_i(:,:) ) |
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| 116 | IF( lk_mpp ) CALL mpp_sum( glob_sum_2d_a, 2 ) |
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[2307] | 117 | ! |
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[2003] | 118 | END FUNCTION glob_sum_2d_a |
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[3764] | 119 | |
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| 120 | |
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| 121 | FUNCTION glob_sum_3d_a( ptab1, ptab2 ) |
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[2003] | 122 | !!----------------------------------------------------------------------- |
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| 123 | !! *** FUNCTION glob_sum_3D_a *** |
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| 124 | !! |
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[2307] | 125 | !! ** Purpose : perform a masked sum on the inner global domain of two 3D array |
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[2003] | 126 | !!----------------------------------------------------------------------- |
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[3294] | 127 | REAL(wp), INTENT(in), DIMENSION(:,:,:) :: ptab1, ptab2 ! input 3D array |
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| 128 | REAL(wp) , DIMENSION(2) :: glob_sum_3d_a ! global masked sum |
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[2307] | 129 | !! |
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[2003] | 130 | INTEGER :: jk |
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| 131 | !!----------------------------------------------------------------------- |
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[2307] | 132 | ! |
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[3294] | 133 | glob_sum_3d_a(:) = 0.e0 |
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[2003] | 134 | DO jk = 1, jpk |
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[3294] | 135 | glob_sum_3d_a(1) = glob_sum_3d_a(1) + SUM( ptab1(:,:,jk)*tmask_i(:,:) ) |
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| 136 | glob_sum_3d_a(2) = glob_sum_3d_a(2) + SUM( ptab2(:,:,jk)*tmask_i(:,:) ) |
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[2003] | 137 | END DO |
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[3294] | 138 | IF( lk_mpp ) CALL mpp_sum( glob_sum_3d_a, 2 ) |
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[2307] | 139 | ! |
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[2003] | 140 | END FUNCTION glob_sum_3d_a |
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| 141 | |
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[3764] | 142 | #else |
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[2307] | 143 | !!---------------------------------------------------------------------- |
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| 144 | !! 'key_mpp_rep' MPP reproducibility |
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| 145 | !!---------------------------------------------------------------------- |
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[3764] | 146 | |
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| 147 | FUNCTION glob_sum_1d( ptab, kdim ) |
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[2003] | 148 | !!---------------------------------------------------------------------- |
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[3764] | 149 | !! *** FUNCTION glob_sum_1d *** |
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| 150 | !! |
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| 151 | !! ** Purpose : perform a sum in calling DDPDD routine |
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| 152 | !!---------------------------------------------------------------------- |
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| 153 | INTEGER , INTENT(in) :: kdim |
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| 154 | REAL(wp), INTENT(in), DIMENSION(kdim) :: ptab |
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| 155 | REAL(wp) :: glob_sum_1d ! global sum |
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| 156 | !! |
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| 157 | COMPLEX(wp):: ctmp |
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| 158 | REAL(wp) :: ztmp |
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| 159 | INTEGER :: ji ! dummy loop indices |
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| 160 | !!----------------------------------------------------------------------- |
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| 161 | ! |
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| 162 | ztmp = 0.e0 |
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| 163 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
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| 164 | DO ji = 1, kdim |
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| 165 | ztmp = ptab(ji) |
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| 166 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
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| 167 | END DO |
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| 168 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
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| 169 | glob_sum_1d = REAL(ctmp,wp) |
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| 170 | ! |
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| 171 | END FUNCTION glob_sum_1d |
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| 172 | |
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| 173 | FUNCTION glob_sum_2d( ptab ) |
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| 174 | !!---------------------------------------------------------------------- |
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[2307] | 175 | !! *** FUNCTION glob_sum_2d *** |
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[2003] | 176 | !! |
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| 177 | !! ** Purpose : perform a sum in calling DDPDD routine |
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[2307] | 178 | !!---------------------------------------------------------------------- |
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| 179 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj) :: ptab |
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[3294] | 180 | REAL(wp) :: glob_sum_2d ! global masked sum |
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[2003] | 181 | !! |
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[2307] | 182 | COMPLEX(wp):: ctmp |
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| 183 | REAL(wp) :: ztmp |
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| 184 | INTEGER :: ji, jj ! dummy loop indices |
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| 185 | !!----------------------------------------------------------------------- |
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| 186 | ! |
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| 187 | ztmp = 0.e0 |
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| 188 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
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| 189 | DO jj = 1, jpj |
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| 190 | DO ji =1, jpi |
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| 191 | ztmp = ptab(ji,jj) * tmask_i(ji,jj) |
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| 192 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
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| 193 | END DO |
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| 194 | END DO |
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| 195 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
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[3294] | 196 | glob_sum_2d = REAL(ctmp,wp) |
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[2307] | 197 | ! |
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[3764] | 198 | END FUNCTION glob_sum_2d |
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[2307] | 199 | |
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| 200 | |
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[3764] | 201 | FUNCTION glob_sum_3d( ptab ) |
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[2003] | 202 | !!---------------------------------------------------------------------- |
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[2307] | 203 | !! *** FUNCTION glob_sum_3d *** |
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| 204 | !! |
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| 205 | !! ** Purpose : perform a sum on a 3D array in calling DDPDD routine |
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| 206 | !!---------------------------------------------------------------------- |
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| 207 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: ptab |
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[3294] | 208 | REAL(wp) :: glob_sum_3d ! global masked sum |
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[2307] | 209 | !! |
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| 210 | COMPLEX(wp):: ctmp |
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| 211 | REAL(wp) :: ztmp |
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| 212 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 213 | !!----------------------------------------------------------------------- |
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[2003] | 214 | ! |
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[2307] | 215 | ztmp = 0.e0 |
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| 216 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
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| 217 | DO jk = 1, jpk |
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| 218 | DO jj = 1, jpj |
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| 219 | DO ji =1, jpi |
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| 220 | ztmp = ptab(ji,jj,jk) * tmask_i(ji,jj) |
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| 221 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
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| 222 | END DO |
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[3764] | 223 | END DO |
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[2307] | 224 | END DO |
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| 225 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
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[3294] | 226 | glob_sum_3d = REAL(ctmp,wp) |
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[2307] | 227 | ! |
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[3764] | 228 | END FUNCTION glob_sum_3d |
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[2307] | 229 | |
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| 230 | |
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[3764] | 231 | FUNCTION glob_sum_2d_a( ptab1, ptab2 ) |
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[2307] | 232 | !!---------------------------------------------------------------------- |
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| 233 | !! *** FUNCTION glob_sum_2d_a *** |
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| 234 | !! |
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| 235 | !! ** Purpose : perform a sum on two 2D arrays in calling DDPDD routine |
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| 236 | !!---------------------------------------------------------------------- |
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| 237 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj) :: ptab1, ptab2 |
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[3294] | 238 | REAL(wp) :: glob_sum_2d_a ! global masked sum |
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[2307] | 239 | !! |
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| 240 | COMPLEX(wp):: ctmp |
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| 241 | REAL(wp) :: ztmp |
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| 242 | INTEGER :: ji, jj ! dummy loop indices |
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[2003] | 243 | !!----------------------------------------------------------------------- |
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[2307] | 244 | ! |
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[2003] | 245 | ztmp = 0.e0 |
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[2307] | 246 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
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| 247 | DO jj = 1, jpj |
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[2003] | 248 | DO ji =1, jpi |
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[2307] | 249 | ztmp = ptab1(ji,jj) * tmask_i(ji,jj) |
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| 250 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
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| 251 | ztmp = ptab2(ji,jj) * tmask_i(ji,jj) |
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| 252 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
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[2003] | 253 | END DO |
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| 254 | END DO |
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| 255 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
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[3294] | 256 | glob_sum_2d_a = REAL(ctmp,wp) |
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[2307] | 257 | ! |
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[3764] | 258 | END FUNCTION glob_sum_2d_a |
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[2003] | 259 | |
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[2307] | 260 | |
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[3764] | 261 | FUNCTION glob_sum_3d_a( ptab1, ptab2 ) |
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[2307] | 262 | !!---------------------------------------------------------------------- |
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| 263 | !! *** FUNCTION glob_sum_3d_a *** |
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| 264 | !! |
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| 265 | !! ** Purpose : perform a sum on two 3D array in calling DDPDD routine |
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| 266 | !!---------------------------------------------------------------------- |
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| 267 | REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: ptab1, ptab2 |
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[3294] | 268 | REAL(wp) :: glob_sum_3d_a ! global masked sum |
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[2307] | 269 | !! |
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| 270 | COMPLEX(wp):: ctmp |
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| 271 | REAL(wp) :: ztmp |
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| 272 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 273 | !!----------------------------------------------------------------------- |
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| 274 | ! |
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| 275 | ztmp = 0.e0 |
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| 276 | ctmp = CMPLX( 0.e0, 0.e0, wp ) |
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| 277 | DO jk = 1, jpk |
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| 278 | DO jj = 1, jpj |
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| 279 | DO ji =1, jpi |
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| 280 | ztmp = ptab1(ji,jj,jk) * tmask_i(ji,jj) |
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| 281 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
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| 282 | ztmp = ptab2(ji,jj,jk) * tmask_i(ji,jj) |
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| 283 | CALL DDPDD( CMPLX( ztmp, 0.e0, wp ), ctmp ) |
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| 284 | END DO |
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[3764] | 285 | END DO |
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[2307] | 286 | END DO |
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| 287 | IF( lk_mpp ) CALL mpp_sum( ctmp ) ! sum over the global domain |
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[3294] | 288 | glob_sum_3d_a = REAL(ctmp,wp) |
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[2307] | 289 | ! |
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[3764] | 290 | END FUNCTION glob_sum_3d_a |
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[2307] | 291 | |
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[3632] | 292 | #endif |
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[2307] | 293 | |
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[2003] | 294 | SUBROUTINE DDPDD( ydda, yddb ) |
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| 295 | !!---------------------------------------------------------------------- |
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| 296 | !! *** ROUTINE DDPDD *** |
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[3764] | 297 | !! |
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[2003] | 298 | !! ** Purpose : Add a scalar element to a sum |
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| 299 | !! |
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[3764] | 300 | !! |
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| 301 | !! ** Method : The code uses the compensated summation with doublet |
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[2003] | 302 | !! (sum,error) emulated useing complex numbers. ydda is the |
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[3764] | 303 | !! scalar to add to the summ yddb |
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[2003] | 304 | !! |
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[3764] | 305 | !! ** Action : This does only work for MPI. |
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| 306 | !! |
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[2003] | 307 | !! References : Using Acurate Arithmetics to Improve Numerical |
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| 308 | !! Reproducibility and Sability in Parallel Applications |
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[3764] | 309 | !! Yun HE and Chris H. Q. DING, Journal of Supercomputing 18, 259-277, 2001 |
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[2003] | 310 | !!---------------------------------------------------------------------- |
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[2307] | 311 | COMPLEX(wp), INTENT(in ) :: ydda |
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| 312 | COMPLEX(wp), INTENT(inout) :: yddb |
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| 313 | ! |
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[2003] | 314 | REAL(wp) :: zerr, zt1, zt2 ! local work variables |
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[2307] | 315 | !!----------------------------------------------------------------------- |
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| 316 | ! |
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[2003] | 317 | ! Compute ydda + yddb using Knuth's trick. |
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[2307] | 318 | zt1 = REAL(ydda) + REAL(yddb) |
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| 319 | zerr = zt1 - REAL(ydda) |
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| 320 | zt2 = ( (REAL(yddb) - zerr) + (REAL(ydda) - (zt1 - zerr)) ) & |
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| 321 | & + AIMAG(ydda) + AIMAG(yddb) |
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| 322 | ! |
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[2003] | 323 | ! The result is t1 + t2, after normalization. |
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[2307] | 324 | yddb = CMPLX( zt1 + zt2, zt2 - ((zt1 + zt2) - zt1), wp ) |
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| 325 | ! |
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[2003] | 326 | END SUBROUTINE DDPDD |
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| 327 | |
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| 328 | #if defined key_nosignedzero |
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[2307] | 329 | !!---------------------------------------------------------------------- |
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| 330 | !! 'key_nosignedzero' F90 SIGN |
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| 331 | !!---------------------------------------------------------------------- |
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[3764] | 332 | |
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[2307] | 333 | FUNCTION SIGN_SCALAR( pa, pb ) |
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[2003] | 334 | !!----------------------------------------------------------------------- |
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| 335 | !! *** FUNCTION SIGN_SCALAR *** |
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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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[2307] | 340 | REAL(wp) :: SIGN_SCALAR ! result |
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| 341 | !!----------------------------------------------------------------------- |
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| 342 | IF ( pb >= 0.e0) THEN ; SIGN_SCALAR = ABS(pa) |
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| 343 | ELSE ; SIGN_SCALAR =-ABS(pa) |
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[2003] | 344 | ENDIF |
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| 345 | END FUNCTION SIGN_SCALAR |
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| 346 | |
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[2307] | 347 | |
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[3764] | 348 | FUNCTION SIGN_ARRAY_1D( pa, pb ) |
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[2003] | 349 | !!----------------------------------------------------------------------- |
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| 350 | !! *** FUNCTION SIGN_ARRAY_1D *** |
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| 351 | !! |
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| 352 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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| 353 | !!----------------------------------------------------------------------- |
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[2307] | 354 | REAL(wp) :: pa,pb(:) ! input |
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[2003] | 355 | REAL(wp) :: SIGN_ARRAY_1D(SIZE(pb,1)) ! result |
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[2307] | 356 | !!----------------------------------------------------------------------- |
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| 357 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D = ABS(pa) |
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| 358 | ELSEWHERE ; SIGN_ARRAY_1D =-ABS(pa) |
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[2003] | 359 | END WHERE |
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| 360 | END FUNCTION SIGN_ARRAY_1D |
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| 361 | |
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[2307] | 362 | |
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[3764] | 363 | FUNCTION SIGN_ARRAY_2D(pa,pb) |
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[2003] | 364 | !!----------------------------------------------------------------------- |
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| 365 | !! *** FUNCTION SIGN_ARRAY_2D *** |
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| 366 | !! |
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| 367 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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| 368 | !!----------------------------------------------------------------------- |
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| 369 | REAL(wp) :: pa,pb(:,:) ! input |
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| 370 | REAL(wp) :: SIGN_ARRAY_2D(SIZE(pb,1),SIZE(pb,2)) ! result |
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[2307] | 371 | !!----------------------------------------------------------------------- |
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| 372 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D = ABS(pa) |
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| 373 | ELSEWHERE ; SIGN_ARRAY_2D =-ABS(pa) |
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[2003] | 374 | END WHERE |
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| 375 | END FUNCTION SIGN_ARRAY_2D |
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| 376 | |
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[3764] | 377 | FUNCTION SIGN_ARRAY_3D(pa,pb) |
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[2003] | 378 | !!----------------------------------------------------------------------- |
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| 379 | !! *** FUNCTION SIGN_ARRAY_3D *** |
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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_3D(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result |
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[2307] | 385 | !!----------------------------------------------------------------------- |
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| 386 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D = ABS(pa) |
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| 387 | ELSEWHERE ; SIGN_ARRAY_3D =-ABS(pa) |
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[2003] | 388 | END WHERE |
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| 389 | END FUNCTION SIGN_ARRAY_3D |
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| 390 | |
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[2307] | 391 | |
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[3764] | 392 | FUNCTION SIGN_ARRAY_1D_A(pa,pb) |
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[2003] | 393 | !!----------------------------------------------------------------------- |
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| 394 | !! *** FUNCTION SIGN_ARRAY_1D_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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[2307] | 399 | REAL(wp) :: SIGN_ARRAY_1D_A(SIZE(pb,1)) ! result |
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| 400 | !!----------------------------------------------------------------------- |
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| 401 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_1D_A = ABS(pa) |
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| 402 | ELSEWHERE ; SIGN_ARRAY_1D_A =-ABS(pa) |
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[2003] | 403 | END WHERE |
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| 404 | END FUNCTION SIGN_ARRAY_1D_A |
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| 405 | |
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[2307] | 406 | |
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[3764] | 407 | FUNCTION SIGN_ARRAY_2D_A(pa,pb) |
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[2003] | 408 | !!----------------------------------------------------------------------- |
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| 409 | !! *** FUNCTION SIGN_ARRAY_2D_A *** |
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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_2D_A(SIZE(pb,1),SIZE(pb,2)) ! result |
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[2307] | 415 | !!----------------------------------------------------------------------- |
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| 416 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_2D_A = ABS(pa) |
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| 417 | ELSEWHERE ; SIGN_ARRAY_2D_A =-ABS(pa) |
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[2003] | 418 | END WHERE |
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| 419 | END FUNCTION SIGN_ARRAY_2D_A |
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| 420 | |
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[2307] | 421 | |
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[3764] | 422 | FUNCTION SIGN_ARRAY_3D_A(pa,pb) |
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[2003] | 423 | !!----------------------------------------------------------------------- |
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| 424 | !! *** FUNCTION SIGN_ARRAY_3D_A *** |
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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_3D_A(SIZE(pb,1),SIZE(pb,2),SIZE(pb,3)) ! result |
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[2307] | 430 | !!----------------------------------------------------------------------- |
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| 431 | WHERE ( pb >= 0.e0 ) ; SIGN_ARRAY_3D_A = ABS(pa) |
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| 432 | ELSEWHERE ; SIGN_ARRAY_3D_A =-ABS(pa) |
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[2003] | 433 | END WHERE |
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| 434 | END FUNCTION SIGN_ARRAY_3D_A |
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| 435 | |
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[2307] | 436 | |
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[3764] | 437 | FUNCTION SIGN_ARRAY_1D_B(pa,pb) |
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[2003] | 438 | !!----------------------------------------------------------------------- |
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| 439 | !! *** FUNCTION SIGN_ARRAY_1D_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_1D_B(SIZE(pa,1)) ! result |
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[2307] | 445 | !!----------------------------------------------------------------------- |
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| 446 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_1D_B = ABS(pa) |
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| 447 | ELSE ; SIGN_ARRAY_1D_B =-ABS(pa) |
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[2003] | 448 | ENDIF |
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| 449 | END FUNCTION SIGN_ARRAY_1D_B |
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| 450 | |
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[2307] | 451 | |
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[3764] | 452 | FUNCTION SIGN_ARRAY_2D_B(pa,pb) |
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[2003] | 453 | !!----------------------------------------------------------------------- |
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| 454 | !! *** FUNCTION SIGN_ARRAY_2D_B *** |
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| 455 | !! |
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| 456 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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| 457 | !!----------------------------------------------------------------------- |
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| 458 | REAL(wp) :: pa(:,:),pb ! input |
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| 459 | REAL(wp) :: SIGN_ARRAY_2D_B(SIZE(pa,1),SIZE(pa,2)) ! result |
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[2307] | 460 | !!----------------------------------------------------------------------- |
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| 461 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_2D_B = ABS(pa) |
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| 462 | ELSE ; SIGN_ARRAY_2D_B =-ABS(pa) |
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[2003] | 463 | ENDIF |
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| 464 | END FUNCTION SIGN_ARRAY_2D_B |
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| 465 | |
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[2307] | 466 | |
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[3764] | 467 | FUNCTION SIGN_ARRAY_3D_B(pa,pb) |
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[2003] | 468 | !!----------------------------------------------------------------------- |
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| 469 | !! *** FUNCTION SIGN_ARRAY_3D_B *** |
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| 470 | !! |
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| 471 | !! ** Purpose : overwrite f95 behaviour of intrinsinc sign function |
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| 472 | !!----------------------------------------------------------------------- |
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| 473 | REAL(wp) :: pa(:,:,:),pb ! input |
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| 474 | REAL(wp) :: SIGN_ARRAY_3D_B(SIZE(pa,1),SIZE(pa,2),SIZE(pa,3)) ! result |
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[2307] | 475 | !!----------------------------------------------------------------------- |
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| 476 | IF( pb >= 0.e0 ) THEN ; SIGN_ARRAY_3D_B = ABS(pa) |
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| 477 | ELSE ; SIGN_ARRAY_3D_B =-ABS(pa) |
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[2003] | 478 | ENDIF |
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| 479 | END FUNCTION SIGN_ARRAY_3D_B |
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| 480 | #endif |
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| 481 | |
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[2307] | 482 | !!====================================================================== |
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[2003] | 483 | END MODULE lib_fortran |
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