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49 lines
1.5 KiB
49 lines
1.5 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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C=======================================================================
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LOGICAL FUNCTION MPCLP2(N,C1X,C1Y,C2X,C2Y)
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COMMON /MAP/MODEL(4,4),VIEW(4,4),PROJ(4,4),CPNEAR,CPFAR,VWPORT(4),
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* MVP(4,4),VP(4,4),CPLINE(2,2,10),CPPLAN(2,3,10),PEYE(3),
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* PLOOK(3),ETWIST,NCPLIN,NCPLAN,TMAT1(4,4),TMAT2(4,4),
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* TMAT3(4,4),TVEC1(4),TVEC2(4),TVEC3(4),TVEC4(4),TARR1(32),
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* TARR2(32),TARR3(32),TARR4(32),TARR5(32),TARR6(32),
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* TARR7(32),TARR8(32)
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REAL MODEL,MVP
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CHARACTER*6 SUBNAM
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DIMENSION C1X(*),C1Y(*),C2X(*),C2Y(*)
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PARAMETER (SUBNAM='MPCLP2')
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MPCLP2 = .FALSE.
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IF (N.GT.10) THEN
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CALL PLTFLU
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CALL SIORPT(SUBNAM,
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* 'Too many clipping lines specified; max is 10',2)
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RETURN
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END IF
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IF (N.LT.0) THEN
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CALL PLTFLU
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CALL SIORPT(SUBNAM,
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* 'You cannot specify less than zero clipping lines',
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* 2)
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RETURN
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END IF
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MPCLP2 = .TRUE.
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NCPLIN = N
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DO 2420 I = 1,N
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CPLINE(1,1,I) = C1X(I)
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CPLINE(1,2,I) = C1Y(I)
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CPLINE(2,1,I) = C2X(I)
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CPLINE(2,2,I) = C2Y(I)
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2420 CONTINUE
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RETURN
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END
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