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
|
/* simplecdd.c: Main test program to call the cdd library cddlib
written by Komei Fukuda, fukuda@ifor.math.ethz.ch
Version 0.94, Aug. 4, 2005
Standard ftp site: ftp.ifor.math.ethz.ch, Directory: pub/fukuda/cdd
*/
/* This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "setoper.h"
#include "cdd.h"
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <math.h>
#include <string.h>
dd_boolean SetInputFile(FILE **f, dd_DataFileType fname)
{
dd_boolean success=dd_FALSE;
success=dd_FALSE;
if ( ( *f = fopen(fname, "r") )!= NULL) {
printf("input file %s is open\n", fname);
success=dd_TRUE;
}
else{
printf("The input file %s not found\n",fname);
}
return success;
}
dd_boolean SetWriteFile(FILE **f, dd_DataFileType fname)
{
dd_boolean success=dd_FALSE;
if ( (*f = fopen(fname, "w")) != NULL){
printf("output file %s is open\n",fname);
success=dd_TRUE;
}
else{
printf("The output file %s cannot be opened\n",fname);
}
return success;
}
int main(int argc, char *argv[])
{
dd_PolyhedraPtr poly;
dd_LPPtr lp;
dd_MatrixPtr M,A;
dd_ErrorType err=dd_NoError;
dd_DataFileType inputfile,outputfile;
FILE *reading=NULL, *writing;
dd_set_global_constants(); /* First, this must be called. */
dd_log=dd_TRUE; /* output log */
if (argc>1) strcpy(inputfile,argv[1]);
if (argc<=1 || !SetInputFile(&reading,argv[1])){
dd_WriteProgramDescription(stdout);
dd_SetInputFile(&reading,inputfile, &err);
}
if (err==dd_NoError) {
M=dd_PolyFile2Matrix(reading, &err);
}
else {
printf("Input file not found\n");
goto _L99;
}
if (err!=dd_NoError) goto _L99;
if (M->objective==dd_LPnone){ /* do representation conversion */
poly=dd_DDMatrix2Poly2(M, dd_LexMin, &err);
/* equivalent to poly=dd_DDMatrix2Poly2(M, &err) when the second argument is set to dd_LexMin. */
if (err!=dd_NoError) goto _L99;
dd_SetWriteFileName(inputfile, outputfile, 'o', poly->representation);
SetWriteFile(&writing, outputfile);
dd_WriteProgramDescription(writing);
dd_WriteRunningMode(writing, poly);
switch (poly->representation) {
case dd_Inequality:
fprintf(writing, "ext_file: Generators\n");
A=dd_CopyGenerators(poly);
dd_WriteMatrix(writing,A);
dd_FreeMatrix(A);
break;
case dd_Generator:
fprintf(writing, "ine_file: Inequalities\n");
A=dd_CopyInequalities(poly);
dd_WriteMatrix(writing,A);
dd_FreeMatrix(A);
break;
default:
break;
}
dd_WriteDDTimes(writing,poly);
fclose(writing);
dd_SetWriteFileName(inputfile, outputfile, 'a', poly->representation);
SetWriteFile(&writing, outputfile);
dd_WriteAdjacency(writing,poly);
fclose(writing);
dd_SetWriteFileName(inputfile, outputfile, 'j', poly->representation);
SetWriteFile(&writing, outputfile);
dd_WriteInputAdjacency(writing,poly);
fclose(writing);
dd_SetWriteFileName(inputfile, outputfile, 'i', poly->representation);
SetWriteFile(&writing, outputfile);
dd_WriteIncidence(writing,poly);
fclose(writing);
dd_SetWriteFileName(inputfile, outputfile, 'n', poly->representation);
SetWriteFile(&writing, outputfile);
dd_WriteInputIncidence(writing,poly);
fclose(writing);
dd_FreeMatrix(M);
dd_FreePolyhedra(poly);
} else { /* solve the LP */
lp=dd_Matrix2LP(M, &err); if (err!=dd_NoError) goto _L99;
dd_LPSolve(lp,dd_DualSimplex,&err); if (err!=dd_NoError) goto _L99;
dd_SetWriteFileName(inputfile, outputfile, 's', M->representation);
SetWriteFile(&writing, outputfile);
dd_WriteLPResult(writing, lp, err);
fclose(writing);
dd_FreeMatrix(M);
dd_FreeLPData(lp);
}
_L99:
if (err!=dd_NoError) dd_WriteErrorMessages(stdout,err);
return 0;
}
/* end of simplecdd.c */
|
