Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 


Quelle  GAP_link_via_file.c   Sprache: C

 
/****************************************************************************
**
*A  GAP_link_via_file.c         ANUPQ source                   Eamonn O'Brien
*A                                                             & Frank Celler
*A                                                           & Benedikt Rothe
**
*Y  Copyright 1995-1997,  Lehrstuhl D fuer Mathematik,  RWTH Aachen,  Germany
*Y  Copyright 1995-1997,  School of Mathematical Sciences, ANU,     Australia
**
*/


#include "pq_defs.h"
#include "pcp_vars.h"
#include "pga_vars.h"
#include "constants.h"
#include "global.h"
#include "pq_functions.h"
#include "menus.h"

#if defined(GAP_LINK_VIA_FILE)

/****************************************************************************
**
*F  start_GAP_file
**          write out initial information required for stabiliser calculation
**
*/

void start_GAP_file(FILE **GAP_input,
                    int ***auts,
                    struct pga_vars *pga,
                    struct pcp_vars *pcp)
{
   register int i;
   int nmr_soluble = pga->nmr_soluble;

   /* open "GAP_input" file                                               */
   *GAP_input = OpenSystemFile("GAP_input""w+");

   GAP_presentation(*GAP_input, pcp, 1);
#ifdef HAVE_GMP
   /* report the group and automorphism group order */
   fprintf(*GAP_input, "ANUPQsize := ");
   mpz_out_str(*GAP_input, 10, &(pga->aut_order));
   fprintf(*GAP_input, ";\n");
   fprintf(*GAP_input, "ANUPQagsize := ");
   fprintf(*GAP_input, "%d;;\n", pga->nmr_soluble);
#else
   fprintf(*GAP_input, "ANUPQsize := fail;;\nANUPQagsize := fail;;\n");
#endif

   /* write global variables                                              */
   fprintf(*GAP_input, "ANUPQglb := rec();;\n");
   fprintf(*GAP_input, "ANUPQglb.d := %d;;\n", pcp->ccbeg - 1);
   fprintf(*GAP_input, "ANUPQglb.F := GF(%d);;\n", pga->p);
   fprintf(*GAP_input, "ANUPQglb.one := One (ANUPQglb.F);;\n");
   fprintf(*GAP_input, "ANUPQglb.q := %d;;\n", pga->q);
   fprintf(*GAP_input, "ANUPQglb.s := %d;;\n", pga->s);
   fprintf(*GAP_input, "ANUPQglb.r := %d;;\n", pga->r);
   fprintf(*GAP_input, "ANUPQglb.agAutos := [];;\n");
   fprintf(*GAP_input, "ANUPQglb.glAutos := [];;\n");
   fprintf(*GAP_input, "ANUPQglb.genQ := [];;\n");

   /* write the generators <gendp> to file                                */
   for (i = 1; i <= nmr_soluble; ++i)
      write_GAP_matrix(
          *GAP_input, "ANUPQglb.agAutos", auts[i], pcp->ccbeg - 1, 1, i);


#ifdef DEBUG1
   printf("The relative orders are ");
   for (i = 1; i <= nmr_soluble; ++i)
      printf("%d, ", pga->relative[i]);
   printf("\n");
#endif

   fprintf(*GAP_input, "relativeOrders := [");
   if (nmr_soluble > 0) {
      for (i = 1; i < nmr_soluble; ++i)
         fprintf(*GAP_input, "%d, ", pga->relative[i]);
      fprintf(*GAP_input, "%d", pga->relative[nmr_soluble]);
   }
   fprintf(*GAP_input, "];\n");

   for (i = nmr_soluble + 1; i <= pga->m; ++i)
      write_GAP_matrix(*GAP_input,
                       "ANUPQglb.glAutos",
                       auts[i],
                       pcp->ccbeg - 1,
                       1,
                       i - nmr_soluble);
}


/****************************************************************************
**
*F  write_GAP_matrix
**                                     write out a matrix in a GAP input form
**
*/

void write_GAP_matrix(
    FILE *GAP_input, char *gen, int **A, int size, int start, int nr)
{
   int i, j;

   fprintf(GAP_input, "%s[%d] := [\n", gen, nr);
   for (i = start; i < start + size; ++i) {
      fprintf(GAP_input, "[");
      for (j = start; j < start + size - 1; ++j)
         fprintf(GAP_input, "%d, ", A[i][j]);
      if (i != start + size - 1)
         fprintf(GAP_input, "%d],\n", A[i][j]);
      else
         fprintf(GAP_input, "%d]] * ANUPQglb.one;;\n", A[i][j]);
   }
}


/****************************************************************************
**
*F  insoluble_stab_gens
**          calculate the stabiliser of the supplied representative using GAP
**
*/

void insoluble_stab_gens(int rep,
                         int orbit_length,
                         struct pga_vars *pga,
                         struct pcp_vars *pcp)
{
   FILE *GAP_rep;
   char *path, *command;
   char c;
   int index;
   int *subset;
   int **S;

   /* append the commands to compute the stabilizer                       */
   GAP_rep = OpenFile("GAP_rep""w+");

   S = label_to_subgroup(&index, &subset, rep, pga);
   GAP_factorise_subgroup(GAP_rep, S, index, subset, pga, pcp);
   free_matrix(S, pga->s, 0);
   free_vector(subset, 0);
   if (!GAP4iostream) {
      fprintf(GAP_rep, "LoadPackage(\"autpgrp\", \"1.5\");\n");
      fprintf(GAP_rep, "if TestPackageAvailability(");
      fprintf(GAP_rep, "\"anupq\", \"3.1\") <> true then\n");
      fprintf(GAP_rep, " ANUPQData := rec(tmpdir := DirectoryCurrent());\n");
      fprintf(GAP_rep, " DeclareInfoClass(\"InfoANUPQ\");\n");
      fprintf(GAP_rep, " DeclareGlobalFunction(");
      fprintf(GAP_rep, "\"PqStabiliserOfAllowableSubgroup\");\n");
      fprintf(GAP_rep, " ReadPackage(\"anupq\", \"lib/anustab.gi\");\n");
      fprintf(GAP_rep, "fi;\n");
      fprintf(GAP_rep, "SetInfoLevel(InfoANUPQ, 2);\n");
   }
   fprintf(GAP_rep, "PqStabiliserOfAllowableSubgroup( ANUPQglb, F,\n");
   fprintf(GAP_rep, " gens, relativeOrders, ANUPQsize, ANUPQagsize );\n");

   CloseFile(GAP_rep);

   if (GAP4iostream) {
      printf("GAP, please compute stabiliser!\n");

      /* skip a comment                                                    */
      while ((c = getchar()) == ' ')
         ;
      if (c == '#') {
         while ((c = getchar()) != '\n')
            ;
      }

      /* we expect a line: "pq, stabiliser is ready.\n"                    */
      if (c == 'p')
         putchar(c);
      while ((c = getchar()) != '\n')
         putchar(c);
      putchar(c);
   } else {
      /* try to find gap                                                   */
      if ((path = (char *)getenv("ANUPQ_GAP_EXEC")) == NULL)
#if defined(ANUPQ_GAP_EXEC)
         path = ANUPQ_GAP_EXEC;
#else
         path = "gap";
#endif
      command = (char *)malloc(strlen(path) + 200);
      strcpy(command, path);
      strcat(command, " -r -q -A GAP_input < GAP_rep");

      /* inform the user that we are about to call GAP                     */
      if (isatty(0))
         printf("Now calling GAP to compute stabiliser...\n");
      unlink("LINK_output");

/* compute the stabiliser of the orbit representative                */
      if (system(command) != 0)
      {
         printf("Error in system call to GAP\n");
         exit(FAILURE);
      }
   }

   CloseFile(OpenFile("LINK_output""r"));

   unlink("GAP_rep");
}

#endif

Messung V0.5
C=97 H=99 G=97

¤ Dauer der Verarbeitung: 0.14 Sekunden  (vorverarbeitet)  ¤

*© Formatika GbR, Deutschland






Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.






                                                                                                                                                                                                                                                                                                                                                                                                     


Neuigkeiten

     Aktuelles
     Motto des Tages

Software

     Produkte
     Quellcodebibliothek

Aktivitäten

     Artikel über Sicherheit
     Anleitung zur Aktivierung von SSL

Muße

     Gedichte
     Musik
     Bilder

Jenseits des Üblichen ....

Besucherstatistik

Besucherstatistik

Monitoring

Montastic status badge