| 1 | #include "apl.h" |
| 2 | |
| 3 | ex_com0() |
| 4 | { |
| 5 | |
| 6 | fetch2(); |
| 7 | comk(0); |
| 8 | } |
| 9 | |
| 10 | ex_comk() |
| 11 | { |
| 12 | register k; |
| 13 | |
| 14 | k = topfix() - thread.iorg; |
| 15 | fetch2(); |
| 16 | comk(k); |
| 17 | } |
| 18 | |
| 19 | ex_com() |
| 20 | { |
| 21 | register struct item *q; |
| 22 | |
| 23 | fetch2(); |
| 24 | q = sp[-2]; |
| 25 | comk(q->rank-1); |
| 26 | } |
| 27 | |
| 28 | comk(k) |
| 29 | { |
| 30 | register struct item *p; |
| 31 | register i; |
| 32 | int dk, ndk, com1(); |
| 33 | |
| 34 | p = sp[-1]; |
| 35 | bidx(sp[-2]); |
| 36 | if(p->rank==0||p->rank==1&&p->size==1) { |
| 37 | if(getdat(p)) { |
| 38 | pop(); |
| 39 | return; |
| 40 | } |
| 41 | p = newdat(idx.type, 1, 0); |
| 42 | pop(); |
| 43 | pop(); |
| 44 | push(p); |
| 45 | return; |
| 46 | } |
| 47 | if(k < 0 || k >= idx.rank) |
| 48 | error("compress X"); |
| 49 | dk = idx.dim[k]; |
| 50 | if(p->rank != 1 || p->size != dk) |
| 51 | error("compress C"); |
| 52 | ndk = 0; |
| 53 | for(i=0; i<dk; i++) |
| 54 | if(getdat(p)) |
| 55 | ndk++; |
| 56 | p = newdat(idx.type, idx.rank, (idx.size/dk)*ndk); |
| 57 | copy(IN, idx.dim, p->dim, idx.rank); |
| 58 | p->dim[k] = ndk; |
| 59 | push(p); |
| 60 | forloop(com1, k); |
| 61 | sp--; |
| 62 | pop(); |
| 63 | pop(); |
| 64 | push(p); |
| 65 | } |
| 66 | |
| 67 | com1(k) |
| 68 | { |
| 69 | register struct item *p; |
| 70 | |
| 71 | p = sp[-2]; |
| 72 | p->index = idx.idx[k]; |
| 73 | if(getdat(p)) { |
| 74 | p = sp[-3]; |
| 75 | p->index = access(); |
| 76 | putdat(sp[-1], getdat(p)); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | ex_exd0() |
| 81 | { |
| 82 | |
| 83 | fetch2(); |
| 84 | exdk(0); |
| 85 | } |
| 86 | |
| 87 | ex_exdk() |
| 88 | { |
| 89 | register k; |
| 90 | |
| 91 | k = topfix() - thread.iorg; |
| 92 | fetch2(); |
| 93 | exdk(k); |
| 94 | } |
| 95 | |
| 96 | ex_exd() |
| 97 | { |
| 98 | register struct item *q; |
| 99 | |
| 100 | fetch2(); |
| 101 | q = sp[-2]; |
| 102 | exdk(q->rank-1); |
| 103 | } |
| 104 | |
| 105 | exdk(k) |
| 106 | { |
| 107 | register struct item *p; |
| 108 | register i, dk; |
| 109 | int exd1(); |
| 110 | |
| 111 | p = sp[-1]; |
| 112 | bidx(sp[-2]); |
| 113 | if(k < 0 || k >= idx.rank) |
| 114 | error("expand X"); |
| 115 | dk = 0; |
| 116 | for(i=0; i<p->size; i++) |
| 117 | if(getdat(p)) |
| 118 | dk++; |
| 119 | if(p->rank != 1 || dk != idx.dim[k]) |
| 120 | error("expand C"); |
| 121 | idx.dim[k] = p->size; |
| 122 | size(); |
| 123 | p = newdat(idx.type, idx.rank, idx.size); |
| 124 | copy(IN, idx.dim, p->dim, idx.rank); |
| 125 | push(p); |
| 126 | forloop(exd1, k); |
| 127 | sp--; |
| 128 | pop(); |
| 129 | pop(); |
| 130 | push(p); |
| 131 | } |
| 132 | |
| 133 | exd1(k) |
| 134 | { |
| 135 | register struct item *p; |
| 136 | |
| 137 | p = sp[-2]; |
| 138 | p->index = idx.idx[k]; |
| 139 | if(getdat(p)) |
| 140 | datum = getdat(sp[-3]); else |
| 141 | if(idx.type == DA) |
| 142 | datum = zero; else |
| 143 | datum = ' '; |
| 144 | putdat(sp[-1], datum); |
| 145 | } |