/* nag_hermitian_lin_eqn_mult_rhs(f04awc) Example Program
 *
 * Copyright 1990 Numerical Algorithms Group.
 *
 * Mark 1, 1990.
 */

#include <nag.h>
#include <stdio.h>
#include <nag_stdlib.h>
#include <nagf01.h>
#include <nagf04.h>

#define NMAX 8
#define TDA NMAX
#define TDB 2
#define TDX 2
#define COMPLEX(A) A.re, A.im

int main(void)
{
  Integer i, j, n;
  Complex a[NMAX][TDA], b[NMAX][TDB], x[NMAX][TDX];
  double p[NMAX];
  Integer nrhs = 1;
  static NagError fail;

  Vprintf("f04awc Example Program Results\n");
  /* Skip heading in data file */
  Vscanf("%*[^\n]");
  Vscanf("%ld", &n);
  if (n<0 || n>NMAX)
    {
      Vfprintf(stderr,"\nn is out of range: n = %ld\n", n);
      return EXIT_FAILURE;
    }
  for (i=0; i<n; ++i)
    for (j=0; j<=i; ++j)
      Vscanf(" ( %lf , %lf ) ", COMPLEX(&a[i][j]));
  for (i=0; i<n; ++i)
    for (j=0; j<nrhs; ++j)
      Vscanf(" ( %lf , %lf ) ", COMPLEX(&b[i][j]));
  /* Factorize A */
  fail.print = TRUE;
  f01bnc(n, &a[0][0], (Integer)TDA, p, &fail);
  if (fail.code != NE_NOERROR)
    return EXIT_FAILURE;
  /* Solve A */
  f04awc(n, nrhs, &a[0][0], (Integer)TDA, p, &b[0][0],
         (Integer)TDB, &x[0][0], (Integer)TDX, &fail);
  if (fail.code != NE_NOERROR)
    return EXIT_FAILURE;
  Vprintf("\nSolution\n\n");
  for (i=0; i<n; ++i)
    {
      for (j=0; j<nrhs; ++j)
        Vprintf("  (%7.4f,%7.4f)", COMPLEX(x[i][j]));
      Vprintf("\n");
    }
  return EXIT_SUCCESS;
}