/* nag_blast_zge_load (f16thc) Example Program.
 *
 * Copyright 2019 Numerical Algorithms Group.
 *
 * Mark 27.0, 2019.
 */

#include <stdio.h>
#include <nag.h>

int main(void)
{

  /* Scalars */
  Complex alpha, diag;
  Integer exit_status, m, n, pda;

  /* Arrays */
  Complex *a = 0;

  /* Nag Types */
  NagError fail;
  Nag_OrderType order;

#ifdef NAG_COLUMN_MAJOR
  order = Nag_ColMajor;
#else
  order = Nag_RowMajor;
#endif

  exit_status = 0;
  INIT_FAIL(fail);

  printf("nag_blast_zge_load (f16thc) Example Program Results\n\n");

  /* Skip heading in data file */
  scanf("%*[^\n] ");

  /* Read the problem dimensions */
  scanf("%" NAG_IFMT "%" NAG_IFMT "%*[^\n] ", &m, &n);

  /* Read scalar parameters */
  scanf(" ( %lf , %lf ) ( %lf , %lf )%*[^\n] ",
        &alpha.re, &alpha.im, &diag.re, &diag.im);

#ifdef NAG_COLUMN_MAJOR
  pda = m;
#else
  pda = n;
#endif

  if (m > 0 && n > 0) {
    /* Allocate memory */
    if (!(a = NAG_ALLOC(m * n, Complex)))
    {
      printf("Allocation failure\n");
      exit_status = -1;
      goto END;
    }
  }
  else {
    printf("Invalid m or n\n");
    exit_status = 1;
    return exit_status;
  }

  /* nag_blast_zge_load (f16thc).
   * Initialize complex general matrix.
   *
   */
  nag_blast_zge_load(order, m, n, alpha, diag, a, pda, &fail);
  if (fail.code != NE_NOERROR) {
    printf("Error from nag_blast_zge_load.\n%s\n", fail.message);
    exit_status = 1;
    goto END;
  }

  /* Print generated matrix A */
  /* nag_file_print_matrix_complex_gen_comp (x04dbc).
   * Print complex general matrix (comprehensive)
   */
  fflush(stdout);
  nag_file_print_matrix_complex_gen_comp(order, Nag_GeneralMatrix,
                                Nag_NonUnitDiag, m, n, a, pda,
                                Nag_BracketForm, "%5.2f",
                                "Generated Matrix A", Nag_IntegerLabels,
                                0, Nag_IntegerLabels, 0, 80, 0, 0, &fail);
  if (fail.code != NE_NOERROR) {
    printf("Error from nag_file_print_matrix_complex_gen_comp (x04dbc).\n%s"
           "\n", fail.message);
    exit_status = 1;
    goto END;
  }

END:
  NAG_FREE(a);

  return exit_status;
}