1 | MODULE field_bufferize |
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2 | |
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3 | INTEGER,SAVE :: nx=0 |
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4 | INTEGER,SAVE :: ny=0 |
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5 | INTEGER,SAVE :: nz=0 |
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6 | |
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7 | REAL,POINTER,SAVE :: field_buffer(:,:,:) |
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8 | |
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9 | |
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10 | |
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11 | CONTAINS |
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12 | |
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13 | SUBROUTINE bufferize_field(ni,ibegin,nj,jbegin,nk,kbegin,nbp,field,i_index,j_index,mask) |
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14 | IMPLICIT NONE |
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15 | INTEGER,INTENT(IN) :: ni |
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16 | INTEGER,INTENT(IN) :: ibegin |
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17 | INTEGER,INTENT(IN) :: nj |
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18 | INTEGER,INTENT(IN) :: jbegin |
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19 | INTEGER,INTENT(IN) :: nk |
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20 | INTEGER,INTENT(IN) :: kbegin |
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21 | INTEGER,INTENT(IN) :: nbp |
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22 | REAL,INTENT(IN) :: field(nbp,nk) |
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23 | INTEGER,INTENT(IN) :: i_index(nbp) |
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24 | INTEGER,INTENT(IN) :: j_index(nbp) |
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25 | LOGICAL,INTENT(IN),OPTIONAL :: mask(nbp) |
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26 | |
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27 | INTEGER :: iend |
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28 | INTEGER :: jend |
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29 | INTEGER :: kend |
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30 | |
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31 | LOGICAL :: need_reallocate |
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32 | REAL,POINTER :: tmp_buffer(:,:,:) |
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33 | INTEGER :: i,j,k,n |
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34 | |
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35 | iend=ibegin+ni-1 |
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36 | jend=jbegin+nj-1 |
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37 | kend=kbegin+nk-1 |
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38 | |
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39 | IF (PRESENT(mask)) THEN |
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40 | DO k=kbegin,kend |
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41 | DO n=1,nbp |
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42 | i=i_index(n)+ibegin-1 |
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43 | j=j_index(n)+jbegin-1 |
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44 | IF (mask(n)) field_buffer(i,j,k)=field(n,k) |
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45 | ENDDO |
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46 | ENDDO |
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47 | ELSE |
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48 | DO k=kbegin,kend |
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49 | DO n=1,nbp |
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50 | i=i_index(n)+ibegin-1 |
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51 | j=j_index(n)+jbegin-1 |
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52 | field_buffer(i,j,k)=field(n,k) |
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53 | ENDDO |
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54 | ENDDO |
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55 | ENDIF |
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56 | |
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57 | END SUBROUTINE bufferize_field |
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58 | |
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59 | SUBROUTINE Init_field_Bufferize(ni,nj,nk) |
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60 | IMPLICIT NONE |
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61 | INTEGER,INTENT(IN) :: ni |
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62 | INTEGER,INTENT(IN) :: nj |
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63 | INTEGER,INTENT(IN) :: nk |
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64 | |
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65 | LOGICAL :: need_reallocate |
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66 | |
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67 | |
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68 | need_reallocate=.FALSE. |
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69 | |
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70 | IF ( ni > nx) THEN |
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71 | nx=ni |
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72 | need_reallocate=.TRUE. |
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73 | ENDIF |
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74 | |
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75 | IF ( nj > ny) THEN |
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76 | ny=nj |
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77 | need_reallocate=.TRUE. |
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78 | ENDIF |
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79 | |
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80 | IF ( nk > nz) THEN |
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81 | nz=nk |
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82 | need_reallocate=.TRUE. |
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83 | ENDIF |
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84 | |
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85 | IF (need_reallocate) THEN |
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86 | IF (ASSOCIATED(field_buffer)) DEALLOCATE(field_buffer) |
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87 | ALLOCATE(field_buffer(nx,ny,nz)) |
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88 | ENDIF |
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89 | |
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90 | field_buffer(1:nx,1:ny,1:nz)=0. |
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91 | |
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92 | END SUBROUTINE init_field_bufferize |
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93 | |
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94 | END MODULE field_bufferize |
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