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
|
/* Copyright (C) 2006, 2007 William McCune
This file is part of the LADR Deduction Library.
The LADR Deduction Library is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License,
version 2.
The LADR Deduction Library is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the LADR Deduction Library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "../ladr/top_input.h"
#define PROGRAM_NAME "complex"
#include "../VERSION_DATE.h"
/*************
*
* complex4_compare()
*
*************/
static
void complex4_compare(Term a, Term b, int *n)
{
//printf("compare: "); p_term(a);
//printf(" : "); p_term(b);
if (VARIABLE(a) && VARIABLE(b)) {
if (VARNUM(a) == VARNUM(b))
(*n)++;
}
else if (!VARIABLE(a) && !VARIABLE(b)) {
if (SYMNUM(a) == SYMNUM(b)) {
int i;
(*n)++;
for (i = 0; i < ARITY(a); i++)
complex4_compare(ARG(a,i), ARG(b,i), n);
}
}
} /* complex4_compare */
/*************
*
* complex4_p2()
*
*************/
static
BOOL complex4_p2(Term s, Term t, int *n)
{
if (s == t)
return FALSE;
else {
int i;
BOOL go;
for (i = 0, go = TRUE; i < ARITY(t) && go; i++)
go = complex4_p2(s, ARG(t,i), n);
complex4_compare(s, t, n);
return go;
}
} /* complex4_p2 */
/*************
*
* complex4_p1()
*
*************/
static
void complex4_p1(Term s, Term t, int *n)
{
BOOL dummy;
int i;
for (i = 0; i < ARITY(s); i++)
complex4_p1(ARG(s,i), t, n);
dummy = complex4_p2(s, t, n);
} /* complex4_p1 */
/*************
*
* complex4()
*
*************/
/* DOCUMENTATION
*/
/* PUBLIC */
double complex4(Term t)
{
int n = 0;
double d;
int size = symbol_count(t);
complex4_p1(t, t, &n);
d = ((double) n) / (size*size);
if (d >= 1.0)
d = 0.999;
printf("size= %2d n= %3d d2=%.3f ", size, n, d);
p_term(t);
return d;
} /* complex4 */
int main(int argc, char **argv)
{
Term t;
init_standard_ladr();
/* Evaluate each clause on stdin. */
t = read_term(stdin, stderr);
while (t) {
double d;
/* term_set_variables(t, MAX_VARS); */
d = complex4(t);
zap_term(t);
t = read_term(stdin, stderr);
}
exit(0);
} /* main */
|
