1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
|
subroutine lstops
c =============================================================
c operations elementaires sur les listes
c =============================================================
c
include '../stack.h'
c
c
integer rhs1,vol1,vol2,typ2,op,iadr,sadr,top0
integer strpos
external strpos
c
c
data insert/2/,extrac/3/
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
c
op=fin
fun=0
c
if (ddt .eq. 4) then
write(buf(1:4),'(i4)') op
call basout(io,wte,' lstops '//buf(1:4))
endif
c
lw=lstk(top+1)
rhs1=rhs
top0=top
if(op.eq.insert) rhs=rhs-2
if(op.eq.extrac) rhs=rhs-1
c
05 il1=iadr(lstk(top))
if(istk(il1).lt.0) il1=iadr(istk(il1+1))
m1=istk(il1+1)
it1=istk(il1+2)
id1=il1+3
l1r=sadr(il1+m1+3)
c
if(op.eq.extrac) goto 10
if(op.eq.insert) goto 30
c
c operations non implantee
fin=-fin
rhs=rhs1
return
c
c extraction
10 ltyp=istk(il1)
if(rhs.eq.1) goto 11
fin=-fin
rhs=rhs1
return
c
11 rhs=rhs1-1
top=top-1
ilcol=iadr(lstk(top))
if(istk(ilcol).eq.10) then
ilt=iadr(sadr(il1+istk(il1+1)+3))
nt=istk(ilt+1)*istk(ilt+2)
if(nt.eq.1) then
top=top0
fin=-fin
rhs=rhs1
return
endif
c . element is designated by its name
if(istk(ilcol+1).gt.1.and.istk(ilcol+2).gt.1) then
call error(21)
return
endif
ncol=istk(ilcol+1)*istk(ilcol+2)
lcol=iadr(lw)
lw=sadr(lcol+ncol)
err=lw-lstk(bot)
if(err.gt.0) then
call error(17)
return
endif
c . look for corresponding index
l=ilcol+5+ncol
do 12 i=1,ncol
nl=istk(ilcol+4+i)-istk(ilcol+3+i)
n=strpos(istk(ilt+5),nt-1,istk(ilt+5+nt),istk(l),nl)
l=l+nl
if(n.le.0) then
call error(21)
return
endif
n=n+1
istk(lcol-1+i)=n
12 continue
else
c . element is designated by its index
if(istk(ilcol).ne.1.or.istk(ilcol+3).ne.0) then
call error(21)
return
endif
if(istk(ilcol+1).gt.1.and.istk(ilcol+2).gt.1) then
call error(21)
return
endif
if(istk(ilcol+1).gt.0) then
ncol=istk(ilcol+1)*istk(ilcol+2)
lcol=sadr(ilcol+4)
call entier(ncol,stk(lcol),istk(iadr(lcol)))
lcol=iadr(lcol)
else
goto 20
endif
endif
c
if(ncol.ne.lhs) then
call error(41)
return
endif
c
if(top+ncol+1.ge.bot) then
call error(18)
return
endif
do 17 i=1,ncol
n=istk(lcol-1+i)
if(n.gt.m1.or.n.lt.1) then
call error(21)
return
endif
lstk(top+1)=lstk(top)+istk(il1+2+n)-istk(il1+1+n)
top=top+1
17 continue
c
top=top-1
ill=max(lcol+ncol,iadr(lstk(top+1)))
err=sadr(ill+ncol)-lstk(bot)
if(err.gt.0) then
call error(17)
return
endif
c call isort(istk(lcol),ncol,istk(ill))
do 18 i=1,ncol
n=istk(lcol-1+i)
istk(ill-1+i)=istk(il1+1+n)+l1r-1
18 continue
c
do 19 i=1,ncol
k=top-ncol+i
call dcopy(lstk(k+1)-lstk(k),stk(istk(ill-1+i)),1,
$ stk(lstk(k)),1)
19 continue
goto 99
c
c extraction list(:)
c
20 l=lstk(top)
if(m1.ne.lhs) then
call error(41)
return
endif
if(top+1+m1.ge.bot) then
call error(18)
return
endif
do 21 i=1,m1
lstk(top+1)=lstk(top)+istk(il1+2+i)-istk(il1+1+i)
top=top+1
21 continue
top=top-1
call dcopy(istk(il1+m1+2)-1,stk(l1r),1,stk(l),1)
goto 99
c
c insert
30 if(rhs.eq.1.and.(istk(il1).eq.15.or.istk(il1).eq.16)) goto 31
fin=-fin
rhs=rhs1
return
c
31 top=top-1
ltyp=istk(il1)
vol2=lstk(top+1)-lstk(top)
l2=lstk(top)
typ2=istk(iadr(l2))
c
top=top-1
ilcol=iadr(lstk(top))
if(istk(ilcol).eq.10) then
ilt=iadr(sadr(il1+istk(il1+1)+3))
nt=istk(ilt+1)*istk(ilt+2)
if(nt.eq.1) then
top=top0
fin=-fin
rhs=rhs1
return
endif
c . element is designated by its name
if(istk(ilcol+1)*istk(ilcol+2).ne.1) then
call error(21)
return
endif
c . look for corresponding index
n=strpos(istk(ilt+5),nt-1,istk(ilt+5+nt),istk(ilcol+6),
$ istk(ilcol+5)-istk(ilcol+4))
if(n.le.0) then
call error(21)
return
endif
n=n+1
else
if(istk(ilcol).ne.1.or.istk(ilcol+3).ne.0) then
call error(21)
return
endif
if(istk(ilcol+1)*istk(ilcol+2).ne.1) then
call error(21)
return
endif
n=int(stk(sadr(ilcol+4)))
if(n.lt.0.or.n.gt.m1+1) then
call error(21)
return
endif
endif
c
vol1=istk(il1+2+m1)-1
ilr=iadr(lw)
istk(ilr)=ltyp
istk(ilr+1)=m1+1
istk(ilr+2)=1
c
if(n.eq.0) then
c add a new element "on the left"
if(typ2.eq.0) then
c null element : nothing added
call dcopy(lstk(top+3)-lstk(top+2),stk(lstk(top+2)),1,
& stk(lstk(top)),1)
lstk(top+1)=lstk(top)+lstk(top+3)-lstk(top+2)
goto 99
endif
ilr=iadr(lw)
istk(ilr)=15
istk(ilr+1)=m1+1
istk(ilr+2)=1
istk(ilr+3)=1+vol2
do 32 i=1,m1
istk(ilr+3+i)=istk(ilr+2+i)+istk(il1+2+i)-istk(il1+1+i)
32 continue
lr=sadr(ilr+4+m1)
call dcopy(vol2,stk(l2),1,stk(lr),1)
lr=lr+vol2
call dcopy(vol1,stk(l1r),1,stk(lr),1)
lr=lr+vol1
call dcopy(lr-lw,stk(lw),1,stk(lstk(top)),1)
lstk(top+1)=lstk(top)+lr-lw
elseif(n.eq.m1+1) then
c add a new element "on the right"
if(typ2.eq.0) then
c null element : nothing added
call dcopy(lstk(top+3)-lstk(top+2),stk(lstk(top+2)),1,
& stk(lstk(top)),1)
lstk(top+1)=lstk(top)+lstk(top+3)-lstk(top+2)
goto 99
endif
ilr=iadr(lw)
istk(ilr)=ltyp
istk(ilr+1)=m1+1
call icopy(m1+1,istk(il1+2),1,istk(ilr+2),1)
istk(ilr+3+m1)=istk(ilr+2+m1)+vol2
lr=sadr(ilr+4+m1)
call dcopy(vol1,stk(l1r),1,stk(lr),1)
lr=lr+vol1
call dcopy(vol2,stk(l2),1,stk(lr),1)
lr=lr+vol2
call dcopy(lr-lw,stk(lw),1,stk(lstk(top)),1)
lstk(top+1)=lstk(top)+lr-lw
elseif(typ2.ne.0) then
c change the specified element
if (istk(il1+2+n)-istk(il1+1+n).eq.vol2) then
c element is directly replaced
lr=l1r+istk(il1+1+n)-1
call dcopy(vol2,stk(l2),1,stk(lr),1)
c . list has been modified in place
il1=iadr(lstk(top))
istk(il1)=-1
istk(il1+1)=-1
istk(il1+2)=istk(iadr(lstk(top0))+2)
lstk(top+1)=lstk(top)+3
goto 99
endif
ilr=iadr(lw)
istk(ilr)=ltyp
istk(ilr+1)=m1+1
if(ltyp.eq.16.and.n.eq.1.and.typ2.ne.10) istk(ilr)=15
istk(ilr+1)=m1
call icopy(n,istk(il1+2),1,istk(ilr+2),1)
istk(ilr+2+n)=istk(ilr+1+n)+vol2
do 36 i=n+1,m1+1
istk(ilr+i+2)=istk(ilr+i+1)+istk(il1+i+2)-istk(il1+i+1)
36 continue
lr=sadr(ilr+3+m1)
call dcopy(istk(il1+1+n)-1,stk(l1r),1,stk(lr),1)
lr=lr+istk(il1+1+n)-1
call dcopy(vol2,stk(l2),1,stk(lr),1)
lr=lr+vol2
l1r=l1r+istk(il1+2+n)-1
call dcopy(istk(il1+2+m1)-istk(il1+2+n),stk(l1r),1,stk(lr),1)
lr=lr+istk(il1+2+m1)-istk(il1+2+n)
38 call dcopy(lr-lw,stk(lw),1,stk(lstk(top)),1)
lstk(top+1)=lstk(top)+lr-lw
else
c suppress the specified element
il=iadr(lstk(top))
l2r=l1r-1+istk(il1+2+n)
call icopy(2+n,istk(il1),1,istk(il),1)
if(ltyp.eq.16.and.n.eq.1) istk(il)=15
istk(il+1)=istk(il+1)-1
do 41 i=n,m1
istk(il+i+2)=istk(il+i+1)+istk(il1+i+3)-istk(il1+i+2)
41 continue
l=sadr(il+2+m1)
call dcopy(istk(il+n+1)-1,stk(l1r),1,stk(l),1)
l=l+istk(il+n+1)-1
call dcopy(istk(il+1+m1)-istk(il+1+n),stk(l2r),1,stk(l),1)
lstk(top+1)=l+istk(il+1+m1)-istk(il+1+n)
endif
goto 99
c
99 return
end
integer function strpos(ptr,ns,chars,str,n)
integer ptr(ns+1),ns,chars(*),str(n),n
do 10 i=1,ns
i1=ptr(i)
i2=ptr(i+1)
if(i2-i1.eq.n) then
do 05 j=1,n
if(str(j).ne.chars(i1-1+j)) goto 10
05 continue
strpos=i
return
endif
10 continue
strpos=0
return
end
|
