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real.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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*
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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 <config.h>
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#include <math.h>
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#include <drizzled/function/math/real.h>
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namespace
drizzled
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{
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String
*
Item_real_func::val_str
(
String
*str)
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{
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assert(
fixed
== 1);
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double
nr=
val_real
();
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if
(
null_value
)
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return
0;
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str->set_real(nr,decimals, &my_charset_bin);
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return
str;
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}
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type::Decimal
*
Item_real_func::val_decimal
(
type::Decimal
*decimal_value)
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{
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assert(
fixed
);
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double
nr=
val_real
();
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if
(
null_value
)
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return
0;
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double2_class_decimal(E_DEC_FATAL_ERROR, nr, decimal_value);
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return
decimal_value;
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}
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int64_t
Item_real_func::val_int
()
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{
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assert(
fixed
== 1);
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return
(int64_t) rint(
val_real
());
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}
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void
Item_real_func::fix_length_and_dec()
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{
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decimals= NOT_FIXED_DEC;
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max_length= float_length(decimals);
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}
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}
/* namespace drizzled */
drizzled
function
math
real.cc
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