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95 lines
3.4 KiB
95 lines
3.4 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 ADD2CN (MXND, MLN, XN, YN, NUID, LXK, KXL, NXL, LXN,
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& ANGLE, BNSIZE, LNODES, NNN, KKK, LLL, NNNOLD, LLLOLD, NLOOP,
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& I1, IAVAIL, NAVAIL, GRAPH, VIDEO, SIZEIT, NOROOM, ERR, XNOLD,
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& YNOLD, NXKOLD, LINKEG, LISTEG, BMESUR, MLINK, NPNOLD, NPEOLD,
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& NNXK, REMESH, REXMIN, REXMAX, REYMIN, REYMAX, IDIVIS, SIZMIN,
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& EMAX, EMIN)
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C***********************************************************************
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C SUBROUTINE ADD2CN = ADDS TWO CENTER NODES IN THE MIDDLE OF 6 CLOSING
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C***********************************************************************
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DIMENSION XN (MXND), YN (MXND), NUID (MXND)
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DIMENSION LXK (4, MXND), KXL (2, 3*MXND)
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DIMENSION NXL (2, 3*MXND), LXN (4, MXND)
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DIMENSION ANGLE (MXND), LNODES (MLN, MXND), BNSIZE (2, MXND)
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DIMENSION XNOLD(NPNOLD), YNOLD(NPNOLD)
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DIMENSION NXKOLD(NNXK, NPEOLD)
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DIMENSION LINKEG(2, MLINK), LISTEG(4 * NPEOLD), BMESUR(NPNOLD)
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LOGICAL GRAPH, VIDEO, ERR, AMBIG, SIZEIT, NOROOM
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ERR = .FALSE.
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AMBIG = .FALSE.
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I2 = LNODES (3, I1)
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I3 = LNODES (3, I2)
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I4 = LNODES (3, I3)
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I5 = LNODES (3, I4)
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I6 = LNODES (3, I5)
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C CALCULATE THE TWO NEW CENTER LOCATIONS
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X16 = ( XN(I1) + XN(I6) ) * .5
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X45 = ( XN(I4) + XN(I5) ) * .5
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XMID = (X16 + X45) * .5
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XNEW1 = (X16 + XMID) * .5
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XNEW2 = (X45 + XMID) * .5
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Y16 = ( YN(I1) + YN(I6) ) * .5
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Y45 = ( YN(I4) + YN(I5) ) * .5
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YMID = (Y16 + Y45) * .5
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YNEW1 = (Y16 + YMID) * .5
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YNEW2 = (Y45 + YMID) * .5
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ZERO = 0.
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CALL ADDNOD (MXND, MLN, XN, YN, LXK, KXL, NXL, LXN, ANGLE, BNSIZE,
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& LNODES, XNEW1, YNEW1, ZERO, NNN, KKK, LLL, I6, I1, I2,
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& AMBIG, IDUM, SIZEIT, ERR, NOROOM, XNOLD, YNOLD, NXKOLD,
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& LINKEG, LISTEG, BMESUR, MLINK, NPNOLD, NPEOLD, NNXK, REMESH,
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& REXMIN, REXMAX, REYMIN, REYMAX, IDIVIS, SIZMIN, EMAX, EMIN)
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IF ((ERR) .OR. (NOROOM)) GOTO 100
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INEW = NNN
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LNODES (4, INEW) = - 2
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IF ((GRAPH) .OR. (VIDEO)) THEN
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CALL D2NODE (MXND, XN, YN, I6, INEW)
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CALL D2NODE (MXND, XN, YN, I2, INEW)
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CALL SFLUSH
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IF (VIDEO) CALL SNAPIT (1)
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ENDIF
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CALL ADDNOD (MXND, MLN, XN, YN, LXK, KXL, NXL, LXN, ANGLE, BNSIZE,
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& LNODES, XNEW2, YNEW2, ZERO, NNN, KKK, LLL, INEW, I2, I3,
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& AMBIG, IDUM, SIZEIT, ERR, NOROOM, XNOLD, YNOLD, NXKOLD,
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& LINKEG, LISTEG, BMESUR, MLINK, NPNOLD, NPEOLD, NNXK, REMESH,
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& REXMIN, REXMAX, REYMIN, REYMAX, IDIVIS, SIZMIN, EMAX, EMIN)
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IF ((ERR) .OR. (NOROOM)) GOTO 100
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JNEW = NNN
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LNODES (4, JNEW) = - 2
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IF ((GRAPH) .OR. (VIDEO)) THEN
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CALL D2NODE (MXND, XN, YN, INEW, JNEW)
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CALL D2NODE (MXND, XN, YN, I3, JNEW)
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CALL SFLUSH
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IF (VIDEO) CALL SNAPIT (1)
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ENDIF
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CALL CONNOD (MXND, MLN, XN, YN, NUID, LXK, KXL, NXL, LXN, ANGLE,
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& LNODES, NNN, KKK, LLL, NNNOLD, LLLOLD, JNEW, I3, I4, I5, IDUM,
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& NLOOP, IAVAIL, NAVAIL, GRAPH, VIDEO, NOROOM, ERR)
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IF ((NOROOM) .OR. (ERR)) GOTO 100
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CALL CLOSE4 (MXND, MLN, LXK, KXL, NXL, LXN, LNODES,
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& INEW, JNEW, I5, I6, KKK, ERR)
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100 CONTINUE
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RETURN
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END
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