~drizzle-trunk/drizzle/development

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-

 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:

 *

 *  Copyright (C) 2008 Sun Microsystems

 *

 *  This program is free software; you can redistribute it and/or modify

 *  it under the terms of the GNU General Public License as published by

 *  the Free Software Foundation; version 2 of the License.

 *

 *  This program is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *  GNU General Public License for more details.

 *

 *  You should have received a copy of the GNU General Public License

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <drizzled/server_includes.h>

#include <drizzled/functions/real.h>

#include CSTDINT_H

#include <cassert>

#if defined(HAVE_IEEEFP_H)

# include <ieeefp.h>

#endif

#include CMATH_H

#if defined(CMATH_NAMESPACE)

using namespace CMATH_NAMESPACE;

#endif

String *Item_real_func::val_str(String *str)

{

  assert(fixed == 1);

  double nr= val_real();

  if (null_value)

    return 0; /* purecov: inspected */

  str->set_real(nr,decimals, &my_charset_bin);

  return str;

}

my_decimal *Item_real_func::val_decimal(my_decimal *decimal_value)

{

  assert(fixed);

  double nr= val_real();

  if (null_value)

    return 0; /* purecov: inspected */

  double2my_decimal(E_DEC_FATAL_ERROR, nr, decimal_value);

  return decimal_value;

}

int64_t Item_real_func::val_int()

{

  assert(fixed == 1);

  return (int64_t) rint(val_real());

}

void Item_real_func::fix_length_and_dec()

{

  decimals= NOT_FIXED_DEC;

  max_length= float_length(decimals);

}