2.11BSD#431 - /usr/src/new/PORT/apl/src/ac.c

   1: static char Sccsid[] = "ac.c @(#)ac.c	1.1	10/1/82 Berkeley ";
   2: #include "apl.h"
   3: 
   4: ex_rot0()
   5: {
   6: 
   7:     fetch2();
   8:     rotk(0);
   9: }
  10: 
  11: ex_rotk()
  12: {
  13:     register k;
  14: 
  15:     k = topfix() - thread.iorg;
  16:     fetch2();
  17:     rotk(k);
  18: }
  19: 
  20: ex_rot()
  21: {
  22:     register struct item *p;
  23: 
  24:     fetch2();
  25:     p = sp[-2];
  26:     rotk(p->rank-1);
  27: }
  28: 
  29: rotk(k)
  30: {
  31:     register struct item *p, *q;
  32:     register param;
  33:     int rot1();
  34: 
  35:     p = sp[-1];
  36:     bidx(sp[-2]);
  37:     if(k < 0 || k >= idx.rank)
  38:         error("rotate X");
  39:     param = 0;
  40:     colapse(k);
  41:     if(idx.size != p->size) {
  42:         if(p->size != 1)
  43:             error("rotate C");
  44:         param++;
  45:         datum = getdat(p);
  46:     }
  47:     p = newdat(idx.type, 1, idx.dimk);
  48:     *sp++ = p;
  49:     forloop(rot1, param);
  50:     pop();
  51:     pop();
  52: }
  53: 
  54: rot1(param)
  55: {
  56:     register struct item *p, *q;
  57:     register i;
  58:     int o, n;
  59: 
  60:     if(param == 0)
  61:         datum = getdat(sp[-2]);
  62:     o = fix(datum);
  63:     if(o < 0)
  64:         o = idx.dimk - (-o % idx.dimk);
  65:     q = sp[-1];
  66:     p = sp[-3];
  67:     q->index = 0;
  68:     n = access();
  69:     for(i=0; i<idx.dimk; i++) {
  70:         p->index = n + (o%idx.dimk)*idx.delk;
  71:         putdat(q, getdat(p));
  72:         o++;
  73:     }
  74:     for(i=0; i<idx.dimk; i++) {
  75:         p->index = n;
  76:         putdat(p, getdat(q));
  77:         n += idx.delk;
  78:     }
  79: }

Defined functions

Defined variables