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  • Committer: Eric Herman
  • Date: 2008-12-07 15:29:44 UTC
  • mto: (656.1.14 devel)
  • mto: This revision was merged to the branch mainline in revision 670.
  • Revision ID: eric@mysql.com-20081207152944-cq1nx1cyi0huqj0f
Added pointer to online version of the FAQ

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drizzled/functions/exp.cc
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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, Inc.
 
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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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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#include "config.h"
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#include <math.h>
 
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#include <drizzled/server_includes.h>
 
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#include CSTDINT_H
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#include <drizzled/item/func.h>
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#include "exp.h"
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namespace drizzled
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{
 
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#include <drizzled/functions/exp.h>
 
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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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double Item_func_exp::val_real()
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{
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  assert(fixed == 1);
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  double value= args[0]->val_real();
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  if ((null_value=args[0]->null_value))
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    return 0.0;
 
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    return 0.0; /* purecov: inspected */
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  return fix_result(exp(value));
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}
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} /* namespace drizzled */