[3331] | 1 | subroutine global_mean(field,airephy,laire,mfield) |
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| 2 | ! |
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| 3 | ! I.Musat: 05.2011 |
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| 4 | ! calcul moyenne globale d'un champ pondere par l'aire de la maille |
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| 5 | ! (laire=.TRUE.) ou somme globale du champ (laire=.FALSE.) |
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| 6 | ! |
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| 7 | USE dimphy |
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| 8 | USE mod_phys_lmdz_para, only: is_sequential |
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| 9 | USE mod_phys_lmdz_transfert_para, only: reduce_sum |
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| 10 | use mod_phys_lmdz_mpi_data, only: is_mpi_root |
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| 11 | USE ioipsl |
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| 12 | implicit none |
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| 13 | |
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| 14 | real,dimension(klon),intent(in) :: field |
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| 15 | real,dimension(klon),intent(in) :: airephy |
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| 16 | LOGICAL, intent(in) :: laire |
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| 17 | REAL, intent(out) :: mfield |
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| 18 | REAL :: airetot ! Total area the earth |
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| 19 | REAL :: sumtmp |
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| 20 | INTEGER :: i |
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| 21 | |
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| 22 | if (is_sequential) then |
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| 23 | |
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| 24 | airetot = 0. |
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| 25 | sumtmp = 0. |
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| 26 | DO i=1, klon |
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| 27 | airetot = airetot + airephy(i) |
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| 28 | sumtmp = sumtmp + field(i) |
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| 29 | END DO |
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| 30 | if (laire) THEN |
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| 31 | if(airetot.NE.0.) THEN |
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| 32 | mfield=sumtmp/airetot |
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| 33 | endif |
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| 34 | else |
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| 35 | mfield=sumtmp |
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| 36 | endif |
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| 37 | |
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| 38 | else |
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| 39 | |
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| 40 | CALL reduce_sum(SUM(airephy),airetot) |
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| 41 | CALL reduce_sum(SUM(field),sumtmp) |
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| 42 | |
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| 43 | !$OMP MASTER |
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| 44 | if (is_mpi_root) THEN |
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| 45 | if (laire) THEN |
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| 46 | ! print*,'gmean airetot=',airetot |
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| 47 | if(airetot.NE.0.) THEN |
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| 48 | mfield=sumtmp/airetot |
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| 49 | ! else |
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| 50 | ! mfield=sumtmp |
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| 51 | endif |
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| 52 | else |
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| 53 | mfield=sumtmp |
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| 54 | endif |
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| 55 | |
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| 56 | ! print*,'gmean sumtmp mfield=',sumtmp,mfield |
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| 57 | |
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| 58 | endif !(is_mpi_root) THEN |
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| 59 | !$OMP END MASTER |
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| 60 | |
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| 61 | endif |
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| 62 | |
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| 63 | end subroutine global_mean |
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