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 /*                                                                       */
 /*                 Author: Richard Caley (rjc@cstr.ed.ac.uk)             */
 /*                   Date: Tue Mar 10 1998                               */
 /* --------------------------------------------------------------------  */
 /* Support functions for all matrix types.                               */
 /*                                                                       */
 /*************************************************************************/

#include <iostream.h>
#include "EST_TVector.h"
#include "EST_matrix_support.h"
#include "EST_bool.h"

const int EST_CURRENT=-1;
const int EST_ALL=-1;

bool EST_matrix_bounds_check(int r,
			     int c,
			     int num_rows,
			     int num_columns,
			     bool set)
{
  const char *what = set?"set":"access";

  if ((r < 0) || (r >= num_rows))
    {
      cerr << "Tried to " << what << " row " << r << " of " << num_rows << " row matrix\n";
      return FALSE;
    }
  if ((c < 0) || (c >= num_columns))
    {
	cerr << "Tried to " << what << " column " << c << " of " << num_columns << " column matrix\n";
	return FALSE;
    }

  return TRUE;
}

bool EST_matrix_bounds_check(int r, int nr,
			     int c, int nc,
			     int num_rows,
			     int num_columns,
			     bool set)
{
  const char *what = set?"set":"access";

  if (nr>0)
    {
      if ((r < 0) || (r >= num_rows))
	{
	  cerr << "Tried to " << what << " row " << r << " of " << num_rows << " row matrix\n";
	  return FALSE;
	}
      if (r+nr-1 >= num_rows)
	{
	  cerr << "Tried to " << what << " row " << r+nr-1 << " of " << num_rows << " row matrix\n";
	  return FALSE;
	}
    }
  if (nc>0)
    {
      if ((c < 0) || (c >= num_columns))
	{
	  cerr << "Tried to " << what << " column " << c << " of " << num_columns << " column matrix\n";
	  return FALSE;
	}
      if (c+nc-1 >= num_columns)
	{
	  cerr << "Tried to " << what << " column " << c+nc-1 << " of " << num_columns << " column matrix\n";
	  return FALSE;
	}
    }

  return TRUE;
}

bool EST_vector_bounds_check(int c,
			     int num_columns,
			     bool set)
{
  const char *what = set?"set":"access";

  if ((c < 0) || (c >= num_columns))
    {
	cerr << "Tried to " << what << " column " << c << " of " << num_columns << " column vector\n";
	return FALSE;
    }

  return TRUE;
}

bool EST_vector_bounds_check(int c, int nc,
			     int num_columns,
			     bool set)
{
  const char *what = set?"set":"access";

  if (nc>0)
    {
      if ((c < 0) || (c >= num_columns))
	{
	  cerr << "Tried to " << what << " column " << c << " of " << num_columns << " column vector\n";
	  return FALSE;
	}
      if (c+nc-1 >= num_columns)
	{
	  cerr << "Tried to " << what << " column " << c+nc-1 << " of " << num_columns << " column vector\n";
	  return FALSE;
	}
    }
  return TRUE;
}

