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67 lines
1.9 KiB
67 lines
1.9 KiB
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 ADDSNP(MSNAP,SNAPDX,NSNAP,INDEX,VALUE,ERR)
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C***********************************************************************
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C SUBROUTINE ADDSNP = ADDS SNAP GRID LINE DEFINITIONS
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C***********************************************************************
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C VARIABLES USED:
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C MSNAP = DIMENSION OV SNAP ARRAYS
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C SNAPDX = THE SNAP GRID VALUES ARRAY (X AND Y)
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C NSNAP = THE NUMBER OF SNAP GRID VALUES IN X AND Y
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C INDEX = 1 FOR X VALUES, 2 FOR Y VALUES
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C VALUE = THE GRID VALUE TO BE ADDED
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C KOUNT = THE LOCATION OF THE SNAPDX VALUE JUST LESS THAN VALUE
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C***********************************************************************
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DIMENSION SNAPDX(2,MSNAP),NSNAP(2)
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LOGICAL ERR
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C ADD THE SNAP GRID VALUE WHERE IT FITS IN NUMERICAL ORDER
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ERR=.FALSE.
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IF(NSNAP(INDEX).GT.0)THEN
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KOUNT=0
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DO 100 I=1,NSNAP(INDEX)
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IF(VALUE.LT.SNAPDX(INDEX,I))GOTO 110
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KOUNT=I
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C IF THE VALUE IS ALREADY THERE, THEN DON'T ADD IT AGAIN - JUST RETURN
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IF(VALUE.EQ.SNAPDX(INDEX,I))RETURN
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100 CONTINUE
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110 CONTINUE
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IF(NSNAP(INDEX).EQ.MSNAP)THEN
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CALL MESSAGE('** NO MORE ROOM FOR ADDITIONAL GRID LINES **')
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WRITE(*,10000)MSNAP
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ERR=.TRUE.
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RETURN
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ENDIF
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NSNAP(INDEX)=NSNAP(INDEX)+1
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DO 120 I=NSNAP(INDEX),KOUNT+2,-1
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SNAPDX(INDEX,I)=SNAPDX(INDEX,I-1)
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120 CONTINUE
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SNAPDX(INDEX,KOUNT+1)=VALUE
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C JUST PUT THE FIRST VALUE WHERE IT BELONGS
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ELSE
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NSNAP(INDEX)=1
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SNAPDX(INDEX,1)=VALUE
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ENDIF
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RETURN
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10000 FORMAT(' THE MAXIMUM NUMBER OF GRID LINES IS: ',I10)
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END
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