/* gpmimult.c 31/10/95.
* 8 / 10 / 98 large - scale re - organisation .
* 16 / 3 / 96 - changed command - line syntax to
* gpmimult [ options ] groupname [ cosname ]
* where cosname defaults to " cos " .
* This simply calculates minimizes and outputs all multiple - initial
* multipliers for a short - lex coset automatic group , using the
* general multiple - initial state multiplier automaton .
* It assumes that kbprog with - wd option , gpwacos , gpmigenmult
* ( and preferably gpcheckmult ) have already been run of G .
*
* SYNOPSIS :
* gpmimult [ - ip d / s ] [ - op d / s ] [ - silent ] [ - v ] [ - l / - h ] [ - pref prefix ]
* groupname [ cosname ]
*
* Input is from groupname . cosname . migm
* Output is to groupname . cosname . mim ' i ' for each generator number i .
*
* 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 )
* - pref prefix Use the string ' prefix ' as prefix for subgroup generators
* Default is " _ x " . You MUST use the same prefix in all
* runs of gpmigenmult2 , gpmimakemult and gpmimakemult2 .
*/
#include <stdio.h>
#include "defs.h"
#include "fsa.h"
#include "definitions.h"
static FILE *rfile, *wfile;
static void badusage(void );
int main(int argc, char *argv[])
{
int arg, g, ngens;
fsa genmult, *mimult;
char gpname[100 ], cosgpname[100 ], inf[100 ], outf[100 ], fsaname[100 ],
prefix[16 ];
storage_type ip_store = SPARSE;
boolean op_format_set = FALSE ;
storage_type op_format = SPARSE;
boolean seengpname, seencosname;
setbuf(stdout, (char *)0 );
setbuf(stderr, (char *)0 );
strcpy(prefix, "_x" );
arg = 1 ;
seengpname = seencosname = FALSE ;
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 (strcmp(argv[arg], "-pref" ) == 0 ) {
arg++;
if (arg >= argc)
badusage();
strcpy(prefix, argv[arg]);
}
else if (argv[arg][0 ] == '-' )
badusage();
else if (!seengpname) {
seengpname = TRUE ;
strcpy(gpname, argv[arg]);
}
else if (!seencosname) {
seencosname = TRUE ;
sprintf(cosgpname, "%s.%s" , gpname, argv[arg]);
}
else
badusage();
arg++;
}
if (!seengpname)
badusage();
if (!seencosname)
sprintf(cosgpname, "%s.cos" , gpname);
strcpy(inf, cosgpname);
strcat(inf, ".migm" );
if ((rfile = fopen(inf, "r" )) == 0 ) {
fprintf(stderr, "Cannot open file %s.\n" , inf);
exit (1 );
}
fsa_read(rfile, &genmult, ip_store, 0 , 0 , TRUE , fsaname);
tmalloc(mimult, fsa, 1 );
ngens = genmult.states->labels->alphabet_size;
for (g = 0 ; g <= ngens; g++) {
/* Form multiplier number g */
fsa_copy(mimult, &genmult);
if (fsa_mimakemult(mimult, g, prefix) == -1 )
exit (1 );
if (mimult_minimize(mimult) == -1 )
exit (1 );
base_prefix(fsaname);
sprintf(fsaname + stringlen(fsaname), ".mim%d" , g);
sprintf(outf, "%s.mim%d" , cosgpname, g);
if (op_format_set)
mimult->table->printing_format = op_format;
wfile = fopen(outf, "w" );
fsa_print(wfile, mimult, fsaname);
fclose(wfile);
if (kbm_print_level > 0 )
printf("#Multiplier number %d with %d states computed.\n" , g,
mimult->states->size);
fsa_clear(mimult);
}
fsa_clear(&genmult);
tfree(mimult);
exit (0 );
}
void badusage(void )
{
fprintf(stderr,
"Usage: gpmimult [-ip d/s] [-op d/s] [-silent] [-v] [-l/-h]\n" );
fprintf(stderr, "\t\t[-pref prefix] groupname [cosname].\n" );
exit (1 );
}
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(vorverarbeitet am 2026-06-18)
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