Austin Schuh | 405fa6c | 2015-09-06 18:13:55 -0700 | [diff] [blame^] | 1 | /* testcdd1.c: Main test program to call the cdd library cddlib |
| 2 | written by Komei Fukuda, fukuda@ifor.math.ethz.ch |
| 3 | Version 0.93, July 9, 2003 |
| 4 | Standard ftp site: ftp.ifor.math.ethz.ch, Directory: pub/fukuda/cdd |
| 5 | */ |
| 6 | |
| 7 | /* This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | */ |
| 21 | |
| 22 | #include "setoper.h" |
| 23 | #include "cdd.h" |
| 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <time.h> |
| 27 | #include <math.h> |
| 28 | #include <string.h> |
| 29 | |
| 30 | dd_boolean SetInputFile(FILE **f, char *fname) |
| 31 | { |
| 32 | dd_boolean success=dd_FALSE; |
| 33 | |
| 34 | if ( ( *f = fopen(fname, "r") )!= NULL) { |
| 35 | printf("input file %s is open\n", fname); |
| 36 | success=dd_TRUE; |
| 37 | } |
| 38 | else{ |
| 39 | printf("The input file %s not found\n",fname); |
| 40 | } |
| 41 | return success; |
| 42 | } |
| 43 | |
| 44 | int main(int argc, char *argv[]) |
| 45 | { |
| 46 | dd_PolyhedraPtr poly; |
| 47 | dd_MatrixPtr M; |
| 48 | dd_ErrorType err; |
| 49 | dd_DataFileType inputfile; |
| 50 | FILE *reading=NULL; |
| 51 | dd_MatrixPtr A, G; |
| 52 | dd_SetFamilyPtr GI,GA; |
| 53 | |
| 54 | dd_set_global_constants(); /* First, this must be called. */ |
| 55 | |
| 56 | dd_SetInputFile(&reading,inputfile, &err); |
| 57 | if (err==dd_NoError) { |
| 58 | M=dd_PolyFile2Matrix(reading, &err); |
| 59 | } |
| 60 | else { |
| 61 | printf("Input file not found\n"); |
| 62 | goto _L99; |
| 63 | } |
| 64 | |
| 65 | if (err==dd_NoError) { |
| 66 | poly=dd_DDMatrix2Poly(M, &err); /* compute the second representation */ |
| 67 | if (err!=dd_NoError) { |
| 68 | dd_WriteErrorMessages(stdout,err); goto _L99; |
| 69 | } |
| 70 | A=dd_CopyInequalities(poly); |
| 71 | G=dd_CopyGenerators(poly); |
| 72 | GI=dd_CopyIncidence(poly); |
| 73 | GA=dd_CopyAdjacency(poly); |
| 74 | |
| 75 | if (poly->representation==dd_Inequality) { |
| 76 | printf("\nInput is an H-representation\n"); |
| 77 | } else { |
| 78 | printf("\nInput is a V-representation\n"); |
| 79 | } |
| 80 | dd_WriteMatrix(stdout,A); printf("\n"); |
| 81 | dd_WriteMatrix(stdout,G); |
| 82 | |
| 83 | printf("\nHere is the incidence list:\n"); |
| 84 | dd_WriteSetFamily(stdout,GI); |
| 85 | |
| 86 | printf("\nHere is the adjacency list:\n"); |
| 87 | dd_WriteSetFamily(stdout,GA); |
| 88 | |
| 89 | dd_FreePolyhedra(poly); |
| 90 | /* This is to remove all the space allocated for poly. */ |
| 91 | dd_FreeMatrix(M); |
| 92 | dd_FreeMatrix(A); |
| 93 | dd_FreeMatrix(G); |
| 94 | dd_FreeSetFamily(GI); |
| 95 | dd_FreeSetFamily(GA); |
| 96 | } else { |
| 97 | dd_WriteErrorMessages(stdout,err); |
| 98 | } |
| 99 | _L99: |
| 100 | dd_free_global_constants(); /* At the end, this must be called. */ |
| 101 | return 0; |
| 102 | } |
| 103 | |
| 104 | |
| 105 | /* end of testcdd1.c */ |