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fast.h
Go to the documentation of this file.
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/*
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* DB-ALLe - Archive for punctual meteorological data
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*
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* Copyright (C) 2005,2006 ARPA-SIM <urpsim@smr.arpa.emr.it>
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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; either 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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* Author: Enrico Zini <enrico@enricozini.com>
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*/
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#ifndef DBA_CORE_FAST_H
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#define DBA_CORE_FAST_H
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#include <stdlib.h>
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static
inline
char
*itoa(
long
value,
int
len)
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{
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/* Adaptation from the _itoa_word function in glibc */
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static
const
char
*digits =
"0123456789"
;
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static
char
buf[20] =
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
;
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char
* buflim = buf+19;
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int
negative = value < 0;
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// if (negative) value = -value;
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do
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*--buflim = digits[abs(value % 10)];
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while
((value /= 10) != 0 && --len != 0);
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if
(negative && len)
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*--buflim =
'-'
;
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return
buflim;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* vim:set ts=4 sw=4: */
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