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SUBROUTINE getcgn(g)
INTEGER g
C**********************************************************************
C
C SUBROUTINE GETCGN(G)
C Get GeNerator
C
C Returns in G the number of the current random number generator
C
C
C Arguments
C
C
C G <-- Number of the current random number generator (1..32)
C INTEGER G
C
C**********************************************************************
C
INTEGER curntg,numg
SAVE curntg
PARAMETER (numg=32)
DATA curntg/1/
C
g = curntg
RETURN
ENTRY setcgn(g)
C**********************************************************************
C
C SUBROUTINE SETCGN( G )
C Set GeNerator
C
C Sets the current generator to G. All references to a generat
C are to the current generator.
C
C
C Arguments
C
C
C G --> Number of the current random number generator (1..32)
C INTEGER G
C
C**********************************************************************
C
C Abort if generator number out of range
C
IF (.NOT. (g.LT.0.OR.g.GT.numg)) GO TO 10
WRITE (*,*) ' Generator number out of range in SETCGN:',
+ ' Legal range is 1 to ',numg,' -- ABORT!'
STOP ' Generator number out of range in SETCGN'
10 curntg = g
RETURN
END
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