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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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* Get general information on holodeck file |
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*/ |
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#include <stdio.h> |
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#include "platform.h" |
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#include "resolu.h" |
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#include "holo.h" |
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#ifndef NHBINS |
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char *progname; /* global argv[0] */ |
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long beamtot, samptot; /* total beams and samples */ |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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int sect; |
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static void gethdinfo(char *fname, FILE *fout); |
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static void psectstats(HOLO *hp, FILE *fp); |
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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progname = argv[0]; |
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if (argc != 2) |
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goto userr; |
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} |
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gethdinfo(fname, fout) /* get information on holodeck */ |
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char *fname; |
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FILE *fout; |
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static void |
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gethdinfo( /* get information on holodeck */ |
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char *fname, |
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FILE *fout |
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) |
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{ |
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extern long ftell(); |
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FILE *fp; |
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HOLO *hdsect; |
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int fd; |
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int4 nextloc; |
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off_t nextloc, fsiz; |
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int n; |
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/* open holodeck file */ |
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if ((fp = fopen(fname, "r")) == NULL) { |
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fd = dup(fileno(fp)); /* dup file handle */ |
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nextloc = ftell(fp); /* get stdio position */ |
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fclose(fp); /* done with stdio */ |
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for (n = 0; nextloc > 0L; n++) { /* get the section(s) */ |
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lseek(fd, (long)nextloc, 0); |
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for (n = 0; nextloc > 0; n++) { /* get the section(s) */ |
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lseek(fd, nextloc, SEEK_SET); |
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read(fd, (char *)&nextloc, sizeof(nextloc)); |
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fprintf(fout, "Section %d:\n", n); |
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hdsect = hdinit(fd, NULL); /* load section directory */ |
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psectstats(hdsect, fout); /* print section statistics */ |
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} |
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nextloc = hdfilen(fd); /* print global statistics */ |
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fsiz = hdfilen(fd); /* print global statistics */ |
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fputs("=====================================================\n", fout); |
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fprintf(fout, "Total samples/beams: %ld/%ld (%.2f samples/beam)\n", |
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samptot, beamtot, (double)samptot/beamtot); |
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fprintf(fout, "%.1f Mbyte file, %.1f%% fragmentation\n", |
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nextloc/(1024.*1024.), |
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100.*(nextloc-hdfiluse(fd,1))/nextloc); |
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fsiz/(1024.*1024.), |
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100.*(fsiz-hdfiluse(fd))/fsiz); |
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/* don't bother with cleanup */ |
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#if 0 |
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hddone(NULL); /* free sections */ |
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} |
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psectstats(hp, fp) /* print statistical information for section */ |
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register HOLO *hp; |
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FILE *fp; |
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static void |
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psectstats( /* print statistical information for section */ |
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HOLO *hp, |
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FILE *fp |
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) |
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{ |
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int scount[NHBINS]; |
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int minsamp = 10000, maxsamp = 0; |
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FVECT vt; |
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double sqrtmaxp; |
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int bmin, bmax, cnt; |
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register int i; |
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int i; |
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fcross(vt, hp->xv[0], hp->xv[1]); |
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fprintf(fp, "\tWorld volume: %g\n", fabs(DOT(vt,hp->xv[2]))); |
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fprintf(fp, "\tGrid resolution: %d x %d x %d\n", |
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hp->grid[0], hp->grid[1], hp->grid[2]); |
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fprintf(fp, "\tNumber of beams: %d\n", nbeams(hp)); |
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fprintf(fp, "\tNumber of ray samples: %d\n", biglob(hp)->nrd); |
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fprintf(fp, "\tNumber of beams: %ld\n", (long)nbeams(hp)); |
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beamtot += nbeams(hp); |
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fprintf(fp, "\tNumber of ray samples: %ld\n", (long)biglob(hp)->nrd); |
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samptot += biglob(hp)->nrd; |
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if (biglob(hp)->nrd <= 0) |
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return; /* no samples to stat! */ |
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for (i = nbeams(hp); i > 0; i--) { |
