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  • Committer: Padraig O'Sullivan
  • Date: 2009-12-17 04:48:59 UTC
  • mto: This revision was merged to the branch mainline in revision 1246.
  • Revision ID: osullivan.padraig@gmail.com-20091217044859-qorpkp4911zypfv3
Added some dtrace probes for tracing the optimizer.

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drizzled/function/math/round.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 <limits.h>
 
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#include <drizzled/server_includes.h>
 
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#include <drizzled/function/math/round.h>
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#include <limits>
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#include <algorithm>
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#include "drizzled/function/math/round.h"
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#include "drizzled/util/test.h"
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namespace drizzled
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{
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extern const double log_10[309];
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using namespace std;
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void Item_func_round::fix_length_and_dec()
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    precision-= decimals_delta - length_increase;
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    decimals= min(decimals_to_set, DECIMAL_MAX_SCALE);
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    max_length= class_decimal_precision_to_length(precision, decimals,
 
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    max_length= my_decimal_precision_to_length(precision, decimals,
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                                               unsigned_flag);
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    break;
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  }
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  if (truncate)
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    value= (unsigned_flag) ?
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      (int64_t)(((uint64_t) value / tmp) * tmp) : (value / tmp) * tmp;
 
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      ((uint64_t) value / tmp) * tmp : (value / tmp) * tmp;
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  else
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    value= (unsigned_flag || value >= 0) ?
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      (int64_t)(my_unsigned_round((uint64_t) value, tmp)) :
 
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      my_unsigned_round((uint64_t) value, tmp) :
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      -(int64_t) my_unsigned_round((uint64_t) -value, tmp);
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  return value;
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}
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type::Decimal *Item_func_round::decimal_op(type::Decimal *decimal_value)
 
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my_decimal *Item_func_round::decimal_op(my_decimal *decimal_value)
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{
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  type::Decimal val, *value= args[0]->val_decimal(&val);
 
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  my_decimal val, *value= args[0]->val_decimal(&val);
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  int64_t dec= args[1]->val_int();
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  if (dec >= 0 || args[1]->unsigned_flag)
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    dec= INT_MIN;
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  if (!(null_value= (args[0]->null_value || args[1]->null_value ||
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                     class_decimal_round(E_DEC_FATAL_ERROR, value, (int) dec,
 
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                     my_decimal_round(E_DEC_FATAL_ERROR, value, (int) dec,
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                                      truncate, decimal_value) > 1)))
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  {
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    decimal_value->frac= decimals;
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  return 0;
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}
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} /* namespace drizzled */