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  • Committer: Stewart Smith
  • Date: 2008-07-13 08:00:16 UTC
  • mto: (210.1.1 drizzle)
  • mto: This revision was merged to the branch mainline in revision 211.
  • Revision ID: stewart@flamingspork.com-20080713080016-8qtjv9ypt42azzr6
CRC32() as UDF

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drizzled/function/math/real.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; version 2 of the License.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include <drizzled/server_includes.h>
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#include <drizzled/function/math/real.h>
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String *Item_real_func::val_str(String *str)
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{
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  assert(fixed == 1);
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  double nr= val_real();
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  if (null_value)
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    return 0; /* purecov: inspected */
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  str->set_real(nr,decimals, &my_charset_bin);
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  return str;
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}
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my_decimal *Item_real_func::val_decimal(my_decimal *decimal_value)
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{
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  assert(fixed);
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  double nr= val_real();
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  if (null_value)
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    return 0; /* purecov: inspected */
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  double2my_decimal(E_DEC_FATAL_ERROR, nr, decimal_value);
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  return decimal_value;
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}
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int64_t Item_real_func::val_int()
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{
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  assert(fixed == 1);
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  return (int64_t) rint(val_real());
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}
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void Item_real_func::fix_length_and_dec()
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{
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  decimals= NOT_FIXED_DEC;
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  max_length= float_length(decimals);
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}
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