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492.3.10
by Lee
code clean move Item_func_acos, Item_func_asin, Item_func_atan, Item_func_pow, Item_func_sqrt to functions directory |
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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 CSTDINT_H
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#include <drizzled/functions/acos.h> |
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572.1.4
by Monty Taylor
Removed a bunch of unusued tests and defines from autoconf. |
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#include CMATH_H
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#if defined(CMATH_NAMESPACE)
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using namespace CMATH_NAMESPACE; |
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#endif
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||
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492.3.10
by Lee
code clean move Item_func_acos, Item_func_asin, Item_func_atan, Item_func_pow, Item_func_sqrt to functions directory |
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double Item_func_acos::val_real() |
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{
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assert(fixed == 1); |
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// the volatile's for BUG #2338 to calm optimizer down (because of gcc's bug)
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volatile double value= args[0]->val_real(); |
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if ((null_value=(args[0]->null_value || (value < -1.0 || value > 1.0)))) |
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return 0.0; |
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return acos(value); |
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}
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