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/* uniqtest.c: Test program to call the cdd library cddlib
written by Komei Fukuda, fukuda@ifor.math.ethz.ch
Version 0.93c, Nov. 14, 2003
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_MatrixPtr M=NULL,M1=NULL,M2=NULL,M3=NULL,M4=NULL;
dd_rowrange i;
dd_colrange d;
dd_ErrorType err=dd_NoError;
dd_rowset redrows,linrows;
dd_rowindex newpos1=NULL, newpos2=NULL,newpos4=NULL;
mytype val;
dd_DataFileType inputfile;
FILE *reading=NULL;
dd_set_global_constants(); /* First, this must be called. */
dd_init(val);
if (argc>1) strcpy(inputfile,argv[1]);
if (argc<=1 || !SetInputFile(&reading,argv[1])){
dd_WriteProgramDescription(stdout);
fprintf(stdout,"\ncddlib test program to remove duplicates.\n");
dd_SetInputFile(&reading,inputfile, &err);
}
if (err==dd_NoError) {
M=dd_PolyFile2Matrix(reading, &err);
}
else {
fprintf(stderr,"Input file not found\n");
goto _L99;
}
if (err!=dd_NoError) goto _L99;
d=M->colsize;
printf("\nInput Matrix.\n");
dd_WriteMatrix(stdout, M);
M1=dd_MatrixSortedCopy(M,&newpos1);
printf("\nNormalize and sort the matrix with dd_MatrixSortedCopy.\n");
printf(" Row index changes -- original:new\n");
for (i=1;i<=M->rowsize; i++){
printf(" %ld:%ld",i,newpos1[i]);
}
printf("\n");
dd_WriteMatrix(stdout, M1);
M2=dd_MatrixUniqueCopy(M1,&newpos2);
printf("\nRemove row (consecutive) duplicates with dd_MatrixUniqueCopy.\n");
printf(" Row index changes -- original:new\n");
for (i=1;i<=M1->rowsize; i++){
printf(" %ld:%ld",i,newpos2[i]);
}
printf("\n");
dd_WriteMatrix(stdout, M2);
M4=dd_MatrixSortedUniqueCopy(M,&newpos4);
printf("\nTwo operations can be done at once with dd_MatrixSortedUniqueCopy.\n");
printf(" Row index changes -- original:new\n");
for (i=1;i<=M->rowsize; i++){
printf(" %ld:%ld",i,newpos4[i]);
}
printf("\n");
dd_WriteMatrix(stdout, M4);
fprintf(stdout, "\nOne can then remove nontrivial redundant rows with dd_RedundantRows.\n Redundant rows:");
redrows=dd_RedundantRows(M2, &err);
set_fwrite(stdout, redrows);
M3=dd_MatrixSubmatrix(M2, redrows);
dd_FreeMatrix(M1);
dd_FreeMatrix(M2);
set_free(redrows);
fprintf(stdout, " Implicit linearity (after removal of redundant rows): ");
linrows=dd_ImplicitLinearityRows(M3, &err);
if (M->representation==dd_Generator)
fprintf(stdout," %ld ", set_card(linrows));
else
fprintf(stdout," %ld ", set_card(linrows));
set_fwrite(stdout,linrows);
set_uni(M3->linset, M3->linset, linrows);
/* add the implicit linrows to the given linearity rows */
printf("\nNonredundant representation (except for the linearity part):\n");
dd_WriteMatrix(stdout, M3);
set_free(linrows);
dd_FreeMatrix(M);
dd_FreeMatrix(M3);
dd_FreeMatrix(M4);
dd_clear(val);
free(newpos1); free(newpos2); free(newpos4);
_L99:;
/* if (err!=dd_NoError) dd_WriteErrorMessages(stderr,err); */
return 0;
}
/* end of uniqtest.c */
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