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81 lines
2.1 KiB
81 lines
2.1 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 QUAL3 (MXND, MXCORN, MLN, NCORN, LCORN, LNODES, ICOMB,
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& ANGLE, LXN, ITEST, LTEST, QUAL, POSBL3, POSBL4, ERR)
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C***********************************************************************
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C SUBROTINE QUAL3 = CHECKS THE QUALITY OF A TRIANGLE INTERPRETATION
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C***********************************************************************
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DIMENSION LNODES (MLN, MXND), ANGLE (MXND), LCORN (MXCORN)
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DIMENSION ICOMB (MXCORN), ITEST (3), LTEST (3), LXN (4, MXND)
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LOGICAL ERR, POSBL3, POSBL4
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REAL NICKS, NICKC
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ERR = .FALSE.
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C ASSUME PERFECT QUALITY
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QUAL = 0.
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POSBL3 = .FALSE.
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POSBL4 = .FALSE.
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C FIRST GET THE INTERVAL LENGTHS TO THE CHOSEN CORNERS
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ILEN = 3
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CALL SPACED (MXND, MXCORN, MLN, ILEN, NCORN, LCORN, LNODES, ICOMB,
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& ITEST, LTEST, ERR)
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IF (ERR) GOTO 110
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C SEE IF A TRIANGLE INTERPRETATION IS POSSIBLE WITH THESE INTERVALS
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MMAX = MAX0 (LTEST(1), LTEST(2), LTEST(3))
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IF (LTEST(1) .EQ. MMAX) THEN
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IBIG = LTEST(1)
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ISUM = LTEST(2) + LTEST(3)
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ELSEIF (LTEST(2) .EQ. MMAX) THEN
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IBIG = LTEST(2)
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ISUM = LTEST(3) + LTEST(1)
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ELSE
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IBIG = LTEST(3)
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ISUM = LTEST(1) + LTEST(2)
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ENDIF
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IDIFF = ISUM - IBIG
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IF (IDIFF .LT. 0) THEN
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RETURN
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ELSEIF (IDIFF .LT. 2) THEN
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POSBL4 = .TRUE.
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ELSE
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POSBL3 = .TRUE.
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ENDIF
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C NOW ADD UP THE NICKS FOR BAD ANGLES AND BAD CONNECTIVITY
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DO 100 I = 1, NCORN
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NODE = LCORN (I)
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IF (ICOMB (I) .EQ. 1) THEN
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QUAL = QUAL + NICKC (ANGLE (NODE), LXN (1, NODE))
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ELSE
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QUAL = QUAL + NICKS (ANGLE (NODE), LXN (1, NODE))
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ENDIF
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100 CONTINUE
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IF (POSBL4) QUAL = QUAL * 1.3
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MMIN = MIN0 (LTEST(1), LTEST(2), LTEST(3))
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IF (MMIN.EQ.1) QUAL = QUAL * 1.3
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110 CONTINUE
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RETURN
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END
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