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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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#endif |
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|
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/* |
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* Routines for tracking beam compuatations |
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*/ |
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register PACKHEAD *clist; |
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int nents; |
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{ |
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int oldnr; |
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register HDBEAMI *hb; |
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register int i, n; |
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|
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/* look for common members */ |
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for (n = 0; n < nents; n++) { |
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for (i = 0; i < complen; i++) |
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if (clist[n].bi == complist[i].bi && |
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clist[n].hd == complist[i].hd) { |
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oldnr = complist[i].nr; |
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clist[n].nc = complist[i].nc; |
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switch (op) { |
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case BS_ADD: /* add to count */ |
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complist[i].nr += clist[n].nr; |
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clist[n].nr = 0; |
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break; |
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case BS_ADJ: /* reset count */ |
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complist[i].nr = clist[n].nr; |
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clist[n].nr = 0; |
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break; |
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case BS_DEL: /* delete count */ |
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if (clist[n].nr == 0 || |
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clist[n].nr >= complist[i].nr) |
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complist[i].nr = 0; |
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else |
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complist[i].nr -= clist[n].nr; |
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break; |
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} |
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if (complist[i].nr != oldnr) |
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lastin = -1; /* flag sort */ |
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break; |
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} |
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if (i >= complen) |
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clist[n].nc = bnrays(hdlist[clist[n].hd], clist[n].bi); |
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} |
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/* complete list operations */ |
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switch (op) { |
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case BS_NEW: /* new computation set */ |
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if (complen) |
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listpos = 0; lastin = -1; |
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if (complen) /* free old list */ |
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free((char *)complist); |
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if (nents <= 0) { |
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complist = NULL; |
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listpos = complen = 0; |
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lastin = -1; |
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complist = NULL; |
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if (!(complen = nents)) |
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return; |
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} |
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complist = (PACKHEAD *)malloc(nents*sizeof(PACKHEAD)); |
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if (complist == NULL) |
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goto memerr; |
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bcopy((char *)clist, (char *)complist, nents*sizeof(PACKHEAD)); |
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complen = nents; /* finish initialization below */ |
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break; |
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case BS_ADD: /* add to computation set */ |
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case BS_ADJ: /* adjust set quantities */ |
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if (nents <= 0) |
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return; |
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/* merge any common members */ |
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for (n = 0; n < nents; n++) { |
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for (i = 0; i < complen; i++) |
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if (clist[n].bi == complist[i].bi && |
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clist[n].hd == complist[i].hd) { |
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int oldnr = complist[i].nr; |
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if (op == BS_ADD) |
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complist[i].nr += clist[n].nr; |
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else /* op == BS_ADJ */ |
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complist[i].nr = clist[n].nr; |
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clist[n].nr = 0; |
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clist[n].nc = complist[i].nc; |
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if (complist[i].nr != oldnr) |
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lastin = -1; /* flag sort */ |
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break; |
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} |
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if (i >= complen) |
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clist[n].nc = bnrays(hdlist[clist[n].hd], |
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clist[n].bi); |
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} |
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/* sort updated list */ |
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sortcomplist(); |
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/* sort new entries */ |
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sortcomplist(); /* sort updated list & new entries */ |
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qsort((char *)clist, nents, sizeof(PACKHEAD), beamcmp); |
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/* what can't we satisfy? */ |
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for (n = 0; n < nents && clist[n].nr > clist[n].nc; n++) |
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; |
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if (op == BS_ADJ) |
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nents = n; |
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if (op == BS_ADJ) { /* don't regenerate adjusted beams */ |
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for (i = n; i < nents && clist[i].nr > 0; i++) |
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; |
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nents = i; |
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} |
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if (n) { /* allocate space for merged list */ |
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PACKHEAD *newlist; |
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newlist = (PACKHEAD *)malloc( |
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lastin = complen-1; /* list is now sorted */ |
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break; |
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case BS_DEL: /* delete from computation set */ |
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if (nents <= 0) |
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return; |
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/* find each member */ |
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for (i = 0; i < complen; i++) |
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for (n = 0; n < nents; n++) |
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if (clist[n].bi == complist[i].bi && |
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clist[n].hd == complist[i].hd) { |
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if (clist[n].nr == 0 || |
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clist[n].nr >= complist[i].nr) |
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complist[i].nr = 0; |
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else |
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complist[i].nr -= clist[n].nr; |
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lastin = -1; /* flag full sort */ |
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break; |
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} |
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return; /* no display */ |
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return; /* already done */ |
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default: |
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error(CONSISTENCY, "bundle_set called with unknown operation"); |
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} |
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if (outdev != NULL) { /* load and display beams we have */ |
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register HDBEAMI *hb; |
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|
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hb = (HDBEAMI *)malloc(nents*sizeof(HDBEAMI)); |
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for (i = 0; i < nents; i++) { |
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hb[i].h = hdlist[clist[i].hd]; |
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hb[i].b = clist[i].bi; |
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} |
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hdloadbeams(hb, nents, dispbeam); |
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free((char *)hb); |
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if (outdev == NULL) /* nothing to display? */ |
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return; |
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/* load and display beams we have */ |
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hb = (HDBEAMI *)malloc(nents*sizeof(HDBEAMI)); |
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for (i = 0; i < nents; i++) { |
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hb[i].h = hdlist[clist[i].hd]; |
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hb[i].b = clist[i].bi; |
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} |
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if (op == BS_NEW) { |
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done_packets(flush_queue()); /* empty queue, so we can... */ |
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for (i = 0; i < complen; i++) /* ...get number computed */ |
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complist[i].nc = bnrays(hdlist[complist[i].hd], |
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complist[i].bi); |
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listpos = 0; |
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lastin = -1; /* flag for initial sort */ |
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} |
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hdloadbeams(hb, nents, dispbeam); |
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free((char *)hb); |
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return; |
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memerr: |
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error(SYSTEM, "out of memory in bundle_set"); |
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double frac; |
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int i; |
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register int j, k; |
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/* free old list */ |
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if (complen > 0) |
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/* free old list and empty queue */ |
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if (complen > 0) { |
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free((char *)complist); |
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done_packets(flush_queue()); |
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} |
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/* allocate beam list */ |
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complen = 0; |
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for (j = 0; hdlist[j] != NULL; j++) |
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/* compute beam weights */ |
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k = 0; |
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for (j = 0; hdlist[j] != NULL; j++) { |
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frac = 512. * hdlist[j]->wg[0] * |
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hdlist[j]->wg[1] * hdlist[j]->wg[2]; |
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if (frac < 0.) frac = -frac; |
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frac = 512. * VLEN(hdlist[j]->wg[0]) * |
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VLEN(hdlist[j]->wg[1]) * |
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VLEN(hdlist[j]->wg[2]); |
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for (i = nbeams(hdlist[j]); i > 0; i--) { |
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complist[k].hd = j; |
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complist[k].bi = i; |
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complist[k].nr = frac*beamvolume(hdlist[j], i) + 0.5; |
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complist[k].nc = bnrays(hdlist[j], i); |
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wtotal += complist[k++].nr; |
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} |
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} |
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frac = 1024.*1024.*16384. / (wtotal*sizeof(RAYVAL)); |
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while (k--) |
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complist[k].nr = frac * complist[k].nr; |
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listpos = 0; lastin = -1; /* flag initial sort */ |
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listpos = 0; lastin = -1; /* perform initial sort */ |
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sortcomplist(); |
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} |
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* list and start again from the beginning. Since |
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* a merge sort is used, the sorting costs are minimal. |
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*/ |
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next_packet(p) /* prepare packet for computation */ |
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next_packet(p, n) /* prepare packet for computation */ |
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register PACKET *p; |
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int n; |
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{ |
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register int i; |
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p->nr = complist[listpos].nr - p->nc; |
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if (p->nr <= 0) |
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return(0); |
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if (p->nr > RPACKSIZ) |
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p->nr = RPACKSIZ; |
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#ifdef DEBUG |
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if (n < 1 | n > RPACKSIZ) |
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error(CONSISTENCY, "next_packet called with bad n value"); |
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#endif |
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if (p->nr > n) |
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p->nr = n; |
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complist[listpos].nc += p->nr; /* find where this one would go */ |
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while (lastin > listpos && |
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beamcmp(complist+lastin, complist+listpos) > 0) |