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/* -*- 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
*/
#ifndef DRIZZLED_FUNCTION_MATH_NEG_H
#define DRIZZLED_FUNCTION_MATH_NEG_H
#include <drizzled/function/func.h>
#include <drizzled/function/num1.h>
class Item_func_neg :public Item_func_num1
{
public:
Item_func_neg(Item *a) :Item_func_num1(a) {}
double real_op();
int64_t int_op();
my_decimal *decimal_op(my_decimal *);
const char *func_name() const { return "-"; }
enum Functype functype() const { return NEG_FUNC; }
void fix_length_and_dec();
void fix_num_length_and_dec();
uint32_t decimal_precision() const { return args[0]->decimal_precision(); }
};
#endif /* DRIZZLED_FUNCTION_MATH_NEG_H */
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