30
31
32
33#include "implicit_f.inc"
34
35
36
37 INTEGER NSN
38 INTEGER IRECT(4,*), LMSR(*), MSR(*), NSV(*), ILOC(*), IRTL(*),
39 . NSEG(*)
40
42 . x(3,*)
43
44
45
46 INTEGER II, I, , K, NUM, NPT, JJ, LL, L, LG, M,
47
49 . cms, dms, result, c2, c3, s2, s3, cs, d2, cc
50
51 DO 200 ii=1,nsn
52 i=nsv(ii)
53 j=iloc(ii)
54 k=msr(j)
55 cms=(x(2,i)-x(2,k))**2+(x(3,i)-x(3,k))**2
56 num=nseg(j+1)-nseg(j)
57 npt=nseg(j)-1
58
59
60
61 DO 100 jj=1,num
62 ll=lmsr(npt+jj)
63 l=irect(1,ll)
64 IF(l==j)l=irect(2,ll)
65 lg=msr(l)
66 dms=(x(2,i)-x(2,lg))**2+(x(3,i)-x(3,lg))**2
67 IF(dms<cms)THEN
68 cms=dms
69 j=l
70 k=lg
71 ENDIF
72 100 CONTINUE
73
74
75
76 iloc(ii)=j
77 result=ep30
78 num=nseg(j+1)-nseg(j)
79 npt=nseg(j)-1
80
81 DO 150 jj=1,num
82 ll=lmsr(jj+npt)
83 m=irect(1,ll)
84 IF(m==j)m=irect(2,ll)
85 mg=msr(m)
86
87 c2=x(2,mg)-x(2,k)
88 c3=x(3,mg)-x(3,k)
89 s2=x(2,i)-x(2,k)
90 s3=x(3,i)-x(3,k)
91 cs=c2*s2+c3*s3
92 d2=s2*s2+s3*s3
93 IF(cs>zero)THEN
94 cc=c2*c2+c3*c3
95 d2=d2-cs*cs/cc
96 ENDIF
97 IF(d2>result)GOTO 150
98 result=d2
99 irtl(ii)=ll
100 150 CONTINUE
101 200 CONTINUE
102 RETURN