/* nag_multiple_conjugate_hermitian (c06gqc) Example Program.
 *
 * Copyright 1990 Numerical Algorithms Group.
 *
 * Mark 1, 1990.
 * Mark 8 revised, 2004.
 */

#include <nag.h>
#include <nagx04.h>
#include <stdio.h>
#include <nag_stdlib.h>
#include <nagc06.h>

int main(int argc, char *argv[])
{
  FILE     *fpin, *fpout;
  Integer  exit_status = 0, i, j, m, n;
  NagError fail;
  double   *u = 0, *v = 0, *x = 0;

  INIT_FAIL(fail);

  /* Check for command-line IO options */
  fpin = nag_example_file_io(argc, argv, "-data", NULL);
  fpout = nag_example_file_io(argc, argv, "-results", NULL);

  fprintf(fpout, "nag_multiple_conjugate_hermitian (c06gqc) Example Program"
          " Results\n");
  /* Skip heading in data file */
  fscanf(fpin, "%*[^\n]");
  while (fscanf(fpin, "%ld%ld", &m, &n) != EOF)
    {
      if (m >= 1 && n >= 1)
        {
          if (!(u = NAG_ALLOC(m*n, double)) ||
              !(v = NAG_ALLOC(m*n, double)) ||
              !(x = NAG_ALLOC(m*n, double)))
            {
              fprintf(fpout, "Allocation failure\n");
              exit_status = -1;
              goto END;
            }
        }
      else
        {
          fprintf(fpout, "Invalid m or n.\n");
          exit_status = 1;
          return exit_status;
        }
      fprintf(fpout, "\n\nm = %2ld  n = %2ld\n", m, n);
      /* Read in data and print out. */
      for (j = 0; j < m; ++j)
        for (i = 0; i < n; ++i)
          fscanf(fpin, "%lf", &x[j*n + i]);
      fprintf(fpout, "\nOriginal data values\n\n");
      for (j = 0; j < m; ++j)
        {
          fprintf(fpout, "    ");
          for (i = 0; i < n; ++i)
            fprintf(fpout, "%10.4f%s", x[j*n + i],
                    (i%6 == 5 && i != n-1?"\n     ":""));
          fprintf(fpout, "\n");
        }
      /* Convert Hermitian form data to full complex */
      /* nag_multiple_hermitian_to_complex (c06gsc).
       * Convert Hermitian sequences to general complex sequences
       */
      nag_multiple_hermitian_to_complex(m, n, x, u, v, &fail);
      if (fail.code != NE_NOERROR)
        {
          fprintf(fpout, "Error from nag_multiple_hermitian_to_complex"
                  " (c06gsc).\n%s\n", fail.message);
          exit_status = 1;
          goto END;
        }

      fprintf(fpout, "\nOriginal data written in full complex form\n\n");
      for (j = 0; j < m; ++j)
        {
          fprintf(fpout, "Real");
          for (i = 0; i < n; ++i)
            fprintf(fpout, "%10.4f%s", u[j*n + i],
                    (i%6 == 5 && i != n-1?"\n     ":""));
          fprintf(fpout, "\nImag");
          for (i = 0; i < n; ++i)
            fprintf(fpout, "%10.4f%s", v[j*n + i],
                    (i%6 == 5 && i != n-1?"\n     ":""));
          fprintf(fpout, "\n\n");
        }
      /* Calculate conjugates of Hermitian data */
      /* nag_multiple_conjugate_hermitian (c06gqc).
       * Complex conjugate of multiple Hermitian sequences
       */
      nag_multiple_conjugate_hermitian(m, n, x, &fail);
      if (fail.code != NE_NOERROR)
        {
          fprintf(
            fpout,
            "Error from nag_multiple_conjugate_hermitian (c06gqc).\n%s\n",
            fail.message);
          exit_status = 1;
          goto END;
        }

      fprintf(fpout, "\nConjugated data values\n\n");
      for (j = 0; j < m; ++j)
        {
          fprintf(fpout, "    ");
          for (i = 0; i < n; ++i)
            fprintf(fpout, "%10.4f%s", x[j*n + i],
                    (i%6 == 5 && i != n-1?"\n     ":""));
          fprintf(fpout, "\n");
        }
      /* Convert conjugated Hermitian data to full complex */
      /* nag_multiple_hermitian_to_complex (c06gsc), see above. */
      nag_multiple_hermitian_to_complex(m, n, x, u, v, &fail);
      if (fail.code != NE_NOERROR)
        {
          fprintf(fpout, "Error from nag_multiple_hermitian_to_complex"
                  " (c06gsc).\n%s\n", fail.message);
          exit_status = 1;
          goto END;
        }

      fprintf(fpout, "\nConjugated data written in full complex form\n\n");
      for (j = 0; j < m; ++j)
        {
          fprintf(fpout, "Real");
          for (i = 0; i < n; ++i)
            fprintf(fpout, "%10.4f%s", u[j*n + i],
                    (i%6 == 5 && i != n-1?"\n     ":""));
          fprintf(fpout, "\nImag");
          for (i = 0; i < n; ++i)
            fprintf(fpout, "%10.4f%s", v[j*n + i],
                    (i%6 == 5 && i != n-1?"\n     ":""));
          fprintf(fpout, "\n\n");
        }
 END:
      if (fpin != stdin) fclose(fpin);
      if (fpout != stdout) fclose(fpout);
      if (u) NAG_FREE(u);
      if (v) NAG_FREE(v);
      if (x) NAG_FREE(x);
    }
  return exit_status;
}