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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, Inc.
*
* 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 <config.h>
#include <math.h>
#include "abs.h"
#include <drizzled/type/decimal.h>
namespace drizzled
{
double Item_func_abs::real_op()
{
double value= args[0]->val_real();
null_value= args[0]->null_value;
return fabs(value);
}
int64_t Item_func_abs::int_op()
{
int64_t value= args[0]->val_int();
if ((null_value= args[0]->null_value))
return 0;
return (value >= 0) || unsigned_flag ? value : -value;
}
type::Decimal *Item_func_abs::decimal_op(type::Decimal *decimal_value)
{
type::Decimal val, *value= args[0]->val_decimal(&val);
if (!(null_value= args[0]->null_value))
{
class_decimal2decimal(value, decimal_value);
if (decimal_value->sign())
class_decimal_neg(decimal_value);
return decimal_value;
}
return 0;
}
void Item_func_abs::fix_length_and_dec()
{
Item_func_num1::fix_length_and_dec();
unsigned_flag= args[0]->unsigned_flag;
}
} /* namespace drizzled */
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