void lis_input_matrix_f(LIS_MATRIX_F *A, char *filename, LIS_INT *ierr, LIS_INT len)
{
  char    buf[1024];
  char    *p;

  LIS_DEBUG_FUNC_IN;

  memset(buf,0x20,sizeof(buf));
  strncpy(buf,filename,len);
  p = &buf[len];
  if( len>0 )
  {
    while( *p==' ' ) p--;
    p++;
  }
  *p = '\0';

  *ierr = lis_input_matrix((LIS_MATRIX)LIS_V2P(A),buf);

  LIS_DEBUG_FUNC_OUT;
  return;
}
Exemple #2
0
int main(int argc, char* argv[])
{
  int               err;
  int               nprocs,mtype,my_rank;
  int               nsol;
  LIS_MATRIX        A,A0;
  LIS_VECTOR        x;
  LIS_REAL          evalue0;
  LIS_SCALAR        shift, *tmpa;
  LIS_ESOLVER       esolver;
  LIS_SOLVER        solver;
  LIS_REAL          residual;
  int               iters;
  double            times;
  double	      itimes,ptimes,p_c_times,p_i_times;
  LIS_PRECON        precon;
  int		      *ptr,*index;
  LIS_SCALAR	      *value;
  int               nsolver;
  char	      esolvername[128];
  int               mode;

  LIS_DEBUG_FUNC_IN;
    
  lis_initialize(&argc, &argv);

#ifdef USE_MPI
  MPI_Comm_size(MPI_COMM_WORLD,&nprocs);
  MPI_Comm_rank(MPI_COMM_WORLD,&my_rank);
#else
  nprocs  = 1;
  my_rank = 0;
#endif
    
  if( argc < 4 )
    {
      if( my_rank==0 ) printf("Usage: etest1 matrix_filename solution_filename residual_filename [options]\n");
      lis_finalize();
      exit(0);
    }

  if( my_rank==0 )
    {
      printf("\n");
      printf("number of processes = %d\n",nprocs);
    }

#ifdef _OPENMP
  if( my_rank==0 )
    {
      printf("max number of threads = %d\n",omp_get_num_procs());
      printf("number of threads = %d\n",omp_get_max_threads());
    }
#endif
		
  /* create matrix and vectors */
  lis_matrix_create(LIS_COMM_WORLD,&A);
  lis_input_matrix(A,argv[1]);
  lis_vector_duplicate(A,&x);
  lis_esolver_create(&esolver);
  lis_esolver_set_option("-eprint mem",esolver);
  lis_esolver_set_optionC(esolver);
  lis_esolve(A, x, &evalue0, esolver);
  lis_esolver_get_esolver(esolver,&nsol);
  lis_get_esolvername(nsol,esolvername);
  lis_esolver_get_residualnorm(esolver, &residual);
  lis_esolver_get_iters(esolver, &iters);
  lis_esolver_get_timeex(esolver,&times,&itimes,&ptimes,&p_c_times,&p_i_times);
  if( my_rank==0 ) {
    printf("%s: mode number              = %d\n", esolvername, esolver->options[LIS_EOPTIONS_MODE]);
    printf("%s: eigenvalue               = %e\n", esolvername, evalue0);
    printf("%s: number of iterations     = %d\n",esolvername, iters);
    printf("%s: elapsed time             = %e sec.\n", esolvername, times);
    printf("%s:   preconditioner         = %e sec.\n", esolvername, ptimes);
    printf("%s:     matrix creation      = %e sec.\n", esolvername, p_c_times);
    printf("%s:   linear solver          = %e sec.\n", esolvername, itimes);
    printf("%s: relative residual 2-norm = %e\n\n",esolvername, residual);
  }

  /* write solution */
  lis_output_vector(x,LIS_FMT_MM,argv[2]);

  /* write residual */
  lis_esolver_output_rhistory(esolver, argv[3]);

  lis_esolver_destroy(esolver);
  lis_matrix_destroy(A);
  lis_vector_destroy(x);

  lis_finalize();

  LIS_DEBUG_FUNC_OUT;

  return 0;
}
Exemple #3
0
LIS_INT main(int argc, char* argv[])
{
  LIS_Comm comm;
  LIS_INT err;
  int nprocs,my_rank;
  LIS_INT nesol;
  LIS_MATRIX A,B;
  LIS_VECTOR x;
  LIS_SCALAR evalue0;
  LIS_ESOLVER esolver;
  LIS_REAL residual;
  LIS_INT iter;
  double time;
  double itime,ptime,p_c_time,p_i_time;
  char esolvername[128];

  LIS_DEBUG_FUNC_IN;
    
  lis_initialize(&argc, &argv);

  comm = LIS_COMM_WORLD;

#ifdef USE_MPI
  MPI_Comm_size(comm,&nprocs);
  MPI_Comm_rank(comm,&my_rank);
#else
  nprocs  = 1;
  my_rank = 0;
#endif
    
  if( argc < 5 )
    {
      lis_printf(comm,"Usage: %s matrix_a_filename matrix_b_filename evector_filename rhistory_filename [options]\n", argv[0]);
      CHKERR(1);
    }

  lis_printf(comm,"\n");
  lis_printf(comm,"number of processes = %d\n",nprocs);

#ifdef _OPENMP
  lis_printf(comm,"max number of threads = %d\n",omp_get_num_procs());
  lis_printf(comm,"number of threads = %d\n",omp_get_max_threads());
#endif
		
  /* create matrix and vectors */
  lis_matrix_create(comm,&A);  
  lis_matrix_create(comm,&B);
  lis_printf(comm,"\nmatrix A:\n");  
  lis_input_matrix(A,argv[1]);
  lis_printf(comm,"matrix B:\n");    
  lis_input_matrix(B,argv[2]);  
  lis_vector_duplicate(A,&x);
  lis_esolver_create(&esolver);
  lis_esolver_set_option("-e gii -eprint mem",esolver);
  err = lis_esolver_set_optionC(esolver);
  CHKERR(err);      

  err = lis_gesolve(A,B,x,&evalue0,esolver);
  CHKERR(err);
  lis_esolver_get_esolver(esolver,&nesol);
  lis_esolver_get_esolvername(nesol,esolvername);
  lis_esolver_get_residualnorm(esolver,&residual);
  lis_esolver_get_iter(esolver,&iter);
  lis_esolver_get_timeex(esolver,&time,&itime,&ptime,&p_c_time,&p_i_time);

  lis_printf(comm,"%s: mode number          = %d\n", esolvername, 0);
#ifdef _COMPLEX      
  lis_printf(comm,"%s: eigenvalue           = (%e, %e)\n", esolvername, (double)creal(evalue0), (double)cimag(evalue0));
#else
  lis_printf(comm,"%s: eigenvalue           = %e\n", esolvername, (double)evalue0);
#endif      
  lis_printf(comm,"%s: number of iterations = %D\n",esolvername, iter);
  lis_printf(comm,"%s: elapsed time         = %e sec.\n", esolvername, time);
  lis_printf(comm,"%s:   preconditioner     = %e sec.\n", esolvername, ptime);
  lis_printf(comm,"%s:     matrix creation  = %e sec.\n", esolvername, p_c_time);
  lis_printf(comm,"%s:   linear solver      = %e sec.\n", esolvername, itime);
  lis_printf(comm,"%s: relative residual    = %e\n\n",esolvername, (double)residual);

  /* write eigenvector */
  lis_output_vector(x,LIS_FMT_MM,argv[3]);

  /* write residual history */
  lis_esolver_output_rhistory(esolver,argv[4]);

  lis_esolver_destroy(esolver);
  lis_matrix_destroy(A);
  lis_matrix_destroy(B);  
  lis_vector_destroy(x);

  lis_finalize();

  LIS_DEBUG_FUNC_OUT;

  return 0;
}
Exemple #4
0
LIS_INT main(LIS_INT argc, char* argv[])
{
  LIS_INT nprocs,my_rank;
  int int_nprocs,int_my_rank;
  LIS_INT nsol;
  LIS_MATRIX A,B;
  LIS_VECTOR x,y,z,w;
  LIS_SCALAR evalue0;
  LIS_ESOLVER esolver;
  LIS_REAL residual;
  LIS_INT iter;
  double time;
  double itime,ptime,p_c_time,p_i_time;
  char esolvername[128];

  LIS_DEBUG_FUNC_IN;
    
  lis_initialize(&argc, &argv);

#ifdef USE_MPI
  MPI_Comm_size(MPI_COMM_WORLD,&int_nprocs);
  MPI_Comm_rank(MPI_COMM_WORLD,&int_my_rank);
  nprocs = int_nprocs;
  my_rank = int_my_rank;
#else
  nprocs  = 1;
  my_rank = 0;
#endif
    
  if( argc < 6 )
    {
      if( my_rank==0 ) 
	{
	  printf("Usage: %s matrix_filename evalues_filename evectors_filename residuals_filename iters_filename [options]\n", argv[0]);
	}
      CHKERR(1);
    }

  if( my_rank==0 )
    {
      printf("\n");
      printf("number of processes = %d\n",nprocs);
    }

#ifdef _OPENMP
  if( my_rank==0 )
    {
      printf("max number of threads = %d\n",omp_get_num_procs());
      printf("number of threads = %d\n",omp_get_max_threads());
    }
#endif
		
  /* create matrix and vectors */
  lis_matrix_create(LIS_COMM_WORLD,&A);
  lis_input_matrix(A,argv[1]);
  lis_vector_duplicate(A,&x);
  lis_esolver_create(&esolver);
  lis_esolver_set_option("-e si -ss 1 -eprint mem",esolver);
  lis_esolver_set_optionC(esolver);
  lis_esolve(A, x, &evalue0, esolver);
  lis_esolver_get_esolver(esolver,&nsol);
  lis_esolver_get_esolvername(nsol,esolvername);
  lis_esolver_get_residualnorm(esolver, &residual);
  lis_esolver_get_iter(esolver, &iter);
  lis_esolver_get_timeex(esolver,&time,&itime,&ptime,&p_c_time,&p_i_time);
  if( my_rank==0 ) {
    printf("%s: mode number          = %d\n", esolvername, 0);
#ifdef _LONG__DOUBLE
    printf("%s: eigenvalue           = %Le\n", esolvername, evalue0);
#else
    printf("%s: eigenvalue           = %e\n", esolvername, evalue0);
#endif
#ifdef _LONG__LONG
    printf("%s: number of iterations = %lld\n",esolvername, iter);
#else
    printf("%s: number of iterations = %d\n",esolvername, iter);
#endif
    printf("%s: elapsed time         = %e sec.\n", esolvername, time);
    printf("%s:   preconditioner     = %e sec.\n", esolvername, ptime);
    printf("%s:     matrix creation  = %e sec.\n", esolvername, p_c_time);
    printf("%s:   linear solver      = %e sec.\n", esolvername, itime);
#ifdef _LONG__DOUBLE
    printf("%s: relative residual    = %Le\n\n",esolvername, residual);
#else
    printf("%s: relative residual    = %e\n\n",esolvername, residual);
#endif
  }

  lis_vector_create(LIS_COMM_WORLD,&y);
  lis_vector_create(LIS_COMM_WORLD,&z);
  lis_vector_create(LIS_COMM_WORLD,&w);
  lis_matrix_create(LIS_COMM_WORLD,&B);
  lis_esolver_get_evalues(esolver,y);
  lis_esolver_get_residualnorms(esolver,z);
  lis_esolver_get_iters(esolver,w);
  lis_esolver_get_evectors(esolver,B);

  /* write eigenvalues */
  lis_output_vector(y,LIS_FMT_MM,argv[2]);

  /* write eigenvectors */
  lis_output_matrix(B,LIS_FMT_MM,argv[3]);

  /* write residual norms */
  lis_output_vector(z,LIS_FMT_MM,argv[4]);

  /* write numbers of iterations */
  lis_output_vector(w,LIS_FMT_MM,argv[5]);

  lis_esolver_destroy(esolver);
  lis_matrix_destroy(A);
  lis_vector_destroy(x);
  lis_matrix_destroy(B);
  lis_vector_destroy(y);
  lis_vector_destroy(z);
  lis_vector_destroy(w);

  lis_finalize();

  LIS_DEBUG_FUNC_OUT;

  return 0;
}