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  • Committer: Monty Taylor
  • Date: 2008-08-02 00:06:32 UTC
  • mto: (236.1.42 codestyle)
  • mto: This revision was merged to the branch mainline in revision 261.
  • Revision ID: monty@inaugust.com-20080802000632-jsse0zdd9r6ic5ku
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drizzled/function/math/neg.h
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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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#ifndef DRIZZLED_FUNCTION_MATH_NEG_H
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#define DRIZZLED_FUNCTION_MATH_NEG_H
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#include <drizzled/function/func.h>
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#include <drizzled/function/num1.h>
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namespace drizzled
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{
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class Item_func_neg :public Item_func_num1
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{
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public:
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  Item_func_neg(Item *a) :Item_func_num1(a) {}
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  double real_op();
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  int64_t int_op();
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  my_decimal *decimal_op(my_decimal *);
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  const char *func_name() const { return "-"; }
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  enum Functype functype() const   { return NEG_FUNC; }
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  void fix_length_and_dec();
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  void fix_num_length_and_dec();
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  uint32_t decimal_precision() const { return args[0]->decimal_precision(); }
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};
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} /* namespace drizzled */
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#endif /* DRIZZLED_FUNCTION_MATH_NEG_H */