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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Bundle holodeck beams together into clumps. |
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*/ |
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#define nextneigh() (bneighrem<=0 ? 0 : bneighlist[--bneighrem]) |
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static BEAMI *beamdir; |
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gcshifti(gc, ia, di, hp) /* shift cell row or column */ |
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register GCOORD *gc; |
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int ia, di; |
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} |
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static int |
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bpcmp(b1p, b2p) /* compare beam positions on disk */ |
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int *b1p, *b2p; |
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{ |
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register long pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
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if (pdif > 0L) return(1); |
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if (pdif < 0L) return(-1); |
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return(0); |
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} |
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clumpbeams(hp, maxcnt, maxsiz, bf) /* clump beams from hinp */ |
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clumpbeams(hp, maxcnt, maxsiz, cf) /* clump beams from hinp */ |
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register HOLO *hp; |
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int maxcnt, maxsiz; |
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int (*bf)(); |
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int (*cf)(); |
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{ |
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static short primes[] = {9431,6803,4177,2659,1609,887,587,251,47,1}; |
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HDBEAMI bis; |
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BEAM *bp; |
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unsigned int4 *bflags; |
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int *bqueue; |
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int bqlen; |
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if (i > 0) |
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break; |
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} |
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beamdir = hp->bi; /* sort queue */ |
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qsort((char *)bqueue, bqlen, sizeof(*bqueue), bpcmp); |
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/* transfer each beam */ |
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for (i = 0; i < bqlen; i++) { |
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bp = hdgetbeam(bis.h=hp, bis.b=bqueue[i]); |
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(*bf)(bp, &bis); |
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} |
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hdfreebeam(NULL, 0); /* write & free clump */ |
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(*cf)(hp, bqueue, bqlen); /* transfer clump */ |
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} |
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hdsync(NULL, 0); /* we're done -- clean up */ |
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free((char *)bqueue); |
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free((char *)bflags); |
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/* all done; clean up */ |
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free((void *)bqueue); |
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free((void *)bflags); |
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} |
