~drizzle-trunk/drizzle/development

492.3.9 by Lee
code clean move Item_func_abs, Item_func_int_exp, Item_func_ln, Item_func_log to functions directory
1
/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
2
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
3
 *
4
 *  Copyright (C) 2008 Sun Microsystems
5
 *
6
 *  This program is free software; you can redistribute it and/or modify
7
 *  it under the terms of the GNU General Public License as published by
8
 *  the Free Software Foundation; version 2 of the License.
9
 *
10
 *  This program is distributed in the hope that it will be useful,
11
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
 *  GNU General Public License for more details.
14
 *
15
 *  You should have received a copy of the GNU General Public License
16
 *  along with this program; if not, write to the Free Software
17
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
 */
19
1241.9.36 by Monty Taylor
ZOMG. I deleted drizzled/server_includes.h.
20
#include "config.h"
1241.9.1 by Monty Taylor
Removed global.h. Fixed all the headers.
21
#include <math.h>
584.4.6 by Monty Taylor
Moved stuff into item/
22
#include <drizzled/item/func.h>
642.1.30 by Lee
move math functions to drizzled/function/math directory
23
#include <drizzled/function/math/exp.h>
572.1.4 by Monty Taylor
Removed a bunch of unusued tests and defines from autoconf.
24
492.3.9 by Lee
code clean move Item_func_abs, Item_func_int_exp, Item_func_ln, Item_func_log to functions directory
25
26
double Item_func_exp::val_real()
27
{
28
  assert(fixed == 1);
29
  double value= args[0]->val_real();
30
  if ((null_value=args[0]->null_value))
971.6.11 by Eric Day
Removed purecov messages.
31
    return 0.0;
492.3.9 by Lee
code clean move Item_func_abs, Item_func_int_exp, Item_func_ln, Item_func_log to functions directory
32
  return fix_result(exp(value));
33
}
34