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226 lines
7.4 KiB
226 lines
7.4 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 SRCHT (
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* NPSRF, NFSRF, LINKSRF, XYZSRF,
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* NPTS, XYZPTS, TOLSRCH,
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* NISR, NRSR, NISS, NRSS, ISRCHR, RSRCHR,
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* LIST, IERR)
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C-----------------------------------------------------------------------
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C DESCRIPTION:
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C THIS SUBROUTINE CALCULATES THE CLOSEST POINT PROBLEM
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C BETWEEN NPTS POINTS AND NFSRF SURFACES AND RETURNS RESULTS OF
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C SEARCH IN ISRCHR,RSRCHR
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C USED HERE FOR FINDING LOCATION OF EITHER NODE OR ELEMENT CENTROID
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C FROM MESH-B IN TET-8 ELEMENT OF MESH-A
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C-----------------------------------------------------------------------
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C FORMAL PARAMETERS
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C MEMORY : P=PERMANENT, S=SCRATCH
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C NAME : IMPLICIT A-H,O-Z REAL, I-N INTEGER
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C TYPE : INPUT_STATUS/OUTPUT_STATUS (I=INPUT,O=OUTPUT,P=PASSED,
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C U=UNMODIFIED,-=UNDEFINED)
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C DESCRIPTION : DESCRIPTION OF VARIABLE
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C-----------------------------------------------------------------------
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C CALLING ARGUMENTS:
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C MEMORY NAME TYPE DESCRIPTION
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C --- ---- --- -----------
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C P NPSRF I/U NUMBER OF POINTS THAT DEFINE THE SURFACE
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C P NFSRF I/U NUMBER OF SURFACES
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C P LINKSRF I/U CONNECTIVITY OF SURFACES OF SIZE (8*NFSRF),
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C NUMBERS REFER TO LOCATIONS IN XYZSRF ARRAY
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C P XYZSRF I/U XYZ COORDS OF POINTS DEFINING SURFACE
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C P NPTS I/U NUMBER OF POINTS TO BE SEARCHED
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C P XYZPTS I/U XYZ COORDS OF POINTS TO BE SEARCHED
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C P TOLSRCH I/U PROXIMITY TOLERANCE FOR POINT-TO-SURFACE SEARCH
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C P NISR I/U NUMBER OF INTEGER SEARCH RESULTS (>=1)
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C P NRSR I/U NUMBER OF REAL SEARCH RESULTS (>=4)
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C P NISS I/U NUMBER OF INTEGER SEARCH SCRATCH (=5)
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C P NRSS I/U NUMBER OF REAL SEARCH SCRATCH (=10)
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C P ISRCHR -/O INTEGER SEARCH RESULTS
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C P RSRCHR -/O REAL SEARCH RESULTS
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C S LIST -/- LIST OF POTENTIAL CONTACTS FOR A SURFACE
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C P IERR -/O ERROR FLAG
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C-----------------------------------------------------------------------
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include 'tapes.blk'
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include 'debg.blk'
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C INPUT/OUTPUT ARRAYS
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C ... Needed to interact with C routines on 64-bit systems which have
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C 8-byte integers in Fortran and 4-byte integers in C.
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INTEGER*4 NPTS4, NDIM4, NLIST, LIST(*)
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DIMENSION
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* LINKSRF(4,NFSRF), XYZSRF(NPSRF,3),
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* XYZPTS(NPTS,3),
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* ISRCHR(NISR,NPTS), RSRCHR(NRSR,NPTS)
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DIMENSION
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* XMIN(3), XMAX(3), GXMIN(3), GXMAX(3)
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C ISRCHR and RSRCHR must be initialized to zero
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DO 1 I = 1, NPTS
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DO 2 J = 1, NISR
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ISRCHR(J,I) = 0
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2 CONTINUE
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DO 3 K = 1, NRSR
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RSRCHR(K,I) = 0.
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3 CONTINUE
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1 CONTINUE
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IF( NISR .LT. 1 .OR. NRSR .LT. 3 .OR. NISS .LT. 5 .OR.
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* NRSS .LT. 10 )THEN
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IERR = 1
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RETURN
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ENDIF
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C DIMENSION OF COORDINATES
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NDIM = 3
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NDIM4 = 3
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NPTS4 = NPTS
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c ... Calculate min/max extents of all points...
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GXMIN(1) = XYZPTS(1,1)
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GXMAX(1) = XYZPTS(1,1)
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GXMIN(2) = XYZPTS(1,2)
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GXMAX(2) = XYZPTS(1,2)
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GXMIN(3) = XYZPTS(1,3)
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GXMAX(3) = XYZPTS(1,3)
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DO 10 I=2,NPTS
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GXMIN(1) = MIN(GXMIN(1), XYZPTS(I,1))
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GXMIN(2) = MIN(GXMIN(2), XYZPTS(I,2))
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GXMIN(3) = MIN(GXMIN(3), XYZPTS(I,3))
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GXMAX(1) = MAX(GXMAX(1), XYZPTS(I,1))
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GXMAX(2) = MAX(GXMAX(2), XYZPTS(I,2))
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GXMAX(3) = MAX(GXMAX(3), XYZPTS(I,3))
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10 CONTINUE
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C Build KD Tree
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if (idebug .ge. 2) then
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call excpus(t1)
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write(nout, *) ' In kdBuildTree ', npts4
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write(ntpout, *) ' In kdBuildTree', npts4
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end if
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call kdbuildtree(xyzpts, npts4, ndim4)
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if (idebug .ge. 2) then
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call excpus(t2)
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write(nout, *) ' Out of kdBuildTree', t2-t1
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write(ntpout, *) ' Out of kdBuildTree', t2-t1
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end if
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C LOOP OVER SURFACES AND SEARCH FOR POINTS WITHIN CAPTURE BOX
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qt = 0.0
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j = 0
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nlistt = 0
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nlistp = 0
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nskip = 0
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call excpus(t3p)
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DO 100 IFSRF = 1, NFSRF
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C CONSTRUCT THE BOUNDING BOX FOR NE SURFACES
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NI = LINKSRF(1,IFSRF)
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NJ = LINKSRF(2,IFSRF)
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NK = LINKSRF(3,IFSRF)
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NL = LINKSRF(4,IFSRF)
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XMINMS = MIN(XYZSRF(NI,1),XYZSRF(NJ,1),
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* XYZSRF(NK,1),XYZSRF(NL,1))
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XMAXMS = MAX(XYZSRF(NI,1),XYZSRF(NJ,1),
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* XYZSRF(NK,1),XYZSRF(NL,1))
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YMINMS = MIN(XYZSRF(NI,2),XYZSRF(NJ,2),
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* XYZSRF(NK,2),XYZSRF(NL,2))
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YMAXMS = MAX(XYZSRF(NI,2),XYZSRF(NJ,2),
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* XYZSRF(NK,2),XYZSRF(NL,2))
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ZMINMS = MIN(XYZSRF(NI,3),XYZSRF(NJ,3),
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* XYZSRF(NK,3),XYZSRF(NL,3))
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ZMAXMS = MAX(XYZSRF(NI,3),XYZSRF(NJ,3),
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* XYZSRF(NK,3),XYZSRF(NL,3))
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TOLER = TOLSRCH * (XMAXMS - XMINMS)
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XMIN(1) = XMINMS - TOLER
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XMAX(1) = XMAXMS + TOLER
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TOLER = TOLSRCH * (YMAXMS - YMINMS)
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XMIN(2) = YMINMS - TOLER
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XMAX(2) = YMAXMS + TOLER
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TOLER = TOLSRCH * (ZMAXMS - ZMINMS)
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XMIN(3) = ZMINMS - TOLER
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XMAX(3) = ZMAXMS + TOLER
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C ... Build a list of points in the query region...
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j = j + 1
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C ... Skip past points that are outside search domain.
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C This is much faster than the failed search in kdrectquery, but
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C does add overhead if all points are in the domain....
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if (xmax(1) .lt. gxmin(1) .or. xmin(1) .gt. gxmax(1) .or.
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* xmax(2) .lt. gxmin(2) .or. xmin(2) .gt. gxmax(2) .or.
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* xmax(3) .lt. gxmin(3) .or. xmin(3) .gt. gxmax(3)) then
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nskip = nskip + 1
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nlist = 0
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else
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call excpus(t4)
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call kdrectquery(xyzpts,npts4,ndim4, xmin,xmax, list,nlist)
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call excpus(t5)
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qt = qt + (t5-t4)
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end if
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C ... Debugging statistics. Also give user an idea that calculation is progressing...
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if (idebug .ge. 2) then
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nlistp = nlistp + nlist
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nlistt = nlistt + nlist
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if (j .eq. 100000 .or. ifsrf .eq. nfsrf) then
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call excpus(t3)
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write (nout, 190) ifsrf, nfsrf, t3-t3p, t3-t2,
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* j/(t3-t3p), ifsrf/(t3-t2), nlistp, nlistt
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write (ntpout, 190) ifsrf, nfsrf, t3-t3p, t3-t2,
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* j/(t3-t3p), ifsrf/(t3-t2), nlistp, nlistt
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j = 0
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t3p = t3
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nlistp = 0
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end if
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end if
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DO 140 K = 1, NLIST
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lval = list(k)
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CALL TETSRC(
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* NDIM, NPTS, NPSRF, NFSRF, NISR,
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* NRSR, NRSS, XYZSRF, XYZPTS, LINKSRF,
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* ISRCHR, RSRCHR, LVAL, IFSRF,
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* IERR )
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140 CONTINUE
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100 CONTINUE
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C ... More debugging stats
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if (idebug .ge. 2) then
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call excpus(t3)
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write(nout, *) ' Finish Queries', t3-t2, NFSRF/(t3-t2), qt
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write(ntpout, *) ' Finish Queries', t3-t2, NFSRF/(t3-t2), qt
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write(nout, *) ' Matches = ',nlistt,' Rate = ',nlistt/(t3-t2)
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write(ntpout, *) ' Matches = ',nlistt,' Rate = ',nlistt/(t3-t2)
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end if
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call kdkilltree()
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190 format(1x,i9,'/',i9,' T= ',1pe10.3,'/',1pe10.3,
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* ', R= ',1pe10.3,'/',1pe10.3,' M = ',i10,'/',i10)
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RETURN
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END
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