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46 lines
1001 B
46 lines
1001 B
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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C=======================================================================
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SUBROUTINE PLTZCP(ZNEAR,ZFAR,N,MASK,PZ)
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INTEGER N
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INTEGER MASK(*)
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REAL PZ(*)
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include 'izbit.inc'
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J = 0
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KM = 0
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2380 IF (.NOT. (J.LT.N)) GO TO 2390
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JN = MIN(N-J,32)
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J = J + JN
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KM = KM + 1
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M = MASK(KM)
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IF (M.EQ.0) THEN
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GO TO 2380
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END IF
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DO 2400 I = 1,JN
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JB = IZBIT(I)
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IF (IAND(M,JB).EQ.0) THEN
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GO TO 2400
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END IF
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IF ((PZ(I).LT.ZNEAR) .OR. (PZ(I).GT.ZFAR)) THEN
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M = IAND(M,NOT(JB))
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GO TO 2400
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END IF
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MASK(KM) = M
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2400 CONTINUE
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GO TO 2380
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2390 CONTINUE
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RETURN
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END
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