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60 lines
1.9 KiB
60 lines
1.9 KiB
2 years ago
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C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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SUBROUTINE MKRNK(N,NTOTAL,NDIM,X,IND,IRNK,IRNK2)
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C***********************************************************************
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C DESCRIPTION: THIS ROUTINE CONVERTS THE IRNK VECTORS IN THE SWEGLE
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C SEARCH FROM AN INDIRECT GATHER TO A DIRECT GATHER
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C N INTEGER NUMBER OF ENTITIES THAT WAS SORTED
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C NDIM INTEGER NUMBER OF DIMENSIONS
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C X REAL ENTITIES TO BE SORTED
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C IND INTEGER INDEX VECTOR
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C IRNK INTEGER RANK VECTOR (INDIRECT)
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C IRNK2 INTEGER RANK VECTOR (DIRECT)
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C***********************************************************************
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include 'tapes.blk'
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DIMENSION X(NTOTAL,NDIM),IND(N,NDIM)
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DIMENSION IRNK(N,NDIM),IRNK2(N,NDIM,*)
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DO 11 IDM = 1, NDIM
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CALL INDEXX(X(1,IDM),IND(1,IDM),N,.true.)
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CALL RANK(N,IND(1,IDM),IRNK(1,IDM),N)
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11 CONTINUE
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C CONSTRUCT DIRECT LISTS INTO ORDERED LIST OF POINTS
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IF(NDIM .EQ. 1)THEN
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DO 113 I = 1, N
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IRNK2(I,1,1) = IRNK(I,1)
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113 CONTINUE
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ELSE IF( NDIM .EQ. 2)THEN
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DO 213 I = 1, N
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IRNK2(I,1,1) = IRNK(IND(I,1),2)
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IRNK2(I,2,1) = IRNK(IND(I,2),1)
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213 CONTINUE
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ELSE IF( NDIM .EQ. 3)THEN
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DO 313 I=1,N
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IRNK2(I,1,1) = IRNK(IND(I,1),2)
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IRNK2(I,1,2) = IRNK(IND(I,1),3)
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IRNK2(I,2,1) = IRNK(IND(I,2),1)
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IRNK2(I,2,2) = IRNK(IND(I,2),3)
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IRNK2(I,3,1) = IRNK(IND(I,3),1)
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IRNK2(I,3,2) = IRNK(IND(I,3),2)
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313 CONTINUE
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ELSE
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PRINT*,'WRONG NUMBER OF DIMENSIONS IN MKRNK'
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STOP
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ENDIF
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RETURN
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END
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