/* gpmult2.c 25/11/94.
* 8/10/98 large-scale re-organisation.
* Calculates a multiplier automaton of a short-lex automatic group,
* for a word in the generators of length 2, using the length-2
* general multiplier.
* This program assumes that kbprog with -wd option, gpwa, gpgenmult
* gpgenmult2 and preferably gpcheckmult have already been run of G.
*
* SYNOPSIS:
* gpmult2 [-ip d/s] [-op d/s] [-silent] [-v] [-l/-h] g1 g2 groupname
*
* Input is from groupname.gm2 (and possibly groupname.gm2_ut).
* and individual 2-generator multipliers to groupname.mult_g1_g2,
* where g1 and g2 are the generator numbers.
*
* OPTIONS:
* -ip d/s input in dense or sparse format - sparse is default
* -op d/s output in dense or sparse format - sparse is default
* -v verbose
* -silent no diagnostics
* -l/-h large/huge hash-tables (for big examples)
*/
#include <stdio.h>
#include <ctype.h>
#include "defs.h"
#include "fsa.h"
#include "rws.h"
#include "definitions.h"
static FILE *rfile, *wfile;
static void badusage(void );
int main(int argc, char *argv[])
{
int arg, g1, g2;
fsa genmult2;
char inf[100], outf[100], fsaname[100];
storage_type ip_store = SPARSE;
boolean op_format_set = FALSE ;
storage_type op_format = SPARSE;
setbuf(stdout, (char *)0);
setbuf(stderr, (char *)0);
inf[0] = '\0' ;
g1 = g2 = 0;
arg = 1;
while (argc > arg) {
if (strcmp(argv[arg], "-ip" ) == 0) {
arg++;
if (arg >= argc)
badusage();
if (strcmp(argv[arg], "d" ) == 0)
ip_store = DENSE;
else if (strcmp(argv[arg], "s" ) == 0)
ip_store = SPARSE;
else
badusage();
}
else if (strcmp(argv[arg], "-op" ) == 0) {
op_format_set = TRUE ;
arg++;
if (arg >= argc)
badusage();
if (strcmp(argv[arg], "d" ) == 0)
op_format = DENSE;
else if (strcmp(argv[arg], "s" ) == 0)
op_format = SPARSE;
else
badusage();
}
else if (strcmp(argv[arg], "-silent" ) == 0)
kbm_print_level = 0;
else if (strcmp(argv[arg], "-v" ) == 0)
kbm_print_level = 2;
else if (strcmp(argv[arg], "-vv" ) == 0)
kbm_print_level = 3;
else if (strcmp(argv[arg], "-l" ) == 0)
kbm_large = TRUE ;
else if (strcmp(argv[arg], "-h" ) == 0)
kbm_huge = TRUE ;
else {
if (argv[arg][0] == '-' )
badusage();
if (g1 == 0 && isdigit(argv[arg][0]))
g1 = atoi(argv[arg]);
else if (g2 == 0 && isdigit(argv[arg][0]))
g2 = atoi(argv[arg]);
else if (strcmp(inf, "" ) != 0)
badusage();
else
strcpy(inf, argv[arg]);
}
arg++;
}
if (g1 == 0 || g2 == 0 || stringlen(inf) == 0)
badusage();
sprintf(outf, "%s.m%d_%d" , inf, g1, g2);
strcat(inf, ".gm2" );
if ((rfile = fopen(inf, "r" )) == 0) {
fprintf(stderr, "Cannot open file %s.\n" , inf);
exit (1);
}
fsa_read(rfile, &genmult2, ip_store, 0, 0, TRUE , fsaname);
if (kbm_print_level > 1)
printf(" #Number of states of genmult2 = %d.\n" , genmult2.states->size);
base_prefix(fsaname);
sprintf(fsaname + stringlen(fsaname), ".m%d_%d" , g1, g2);
if (fsa_makemult2(&genmult2, g1, g2) == -1)
exit (1);
if (fsa_minimize(&genmult2) == -1)
exit (1);
if (kbm_print_level > 0)
printf("#Length-2 multiplier with %d states computed.\n" ,
genmult2.states->size);
if (op_format_set)
genmult2.table->printing_format = op_format;
wfile = fopen(outf, "w" );
fsa_print(wfile, &genmult2, fsaname);
fclose(wfile);
fsa_clear(&genmult2);
exit (0);
}
void badusage(void )
{
fprintf(stderr, "Usage: gpmult2 [-ip d/s] [-op d/s] [-silent] [-v] [-l/-h] "
"g1 g2 groupname.\n" );
exit (1);
}
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