2.3-InternetRadio/nutos/nut/c/stdlib/labs.c

/*
 * Copyright (C) 2004 by egnite Software GmbH. All rights reserved.
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 *-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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/*
 * $Log$
 * Revision 1.3  2006/10/08 16:48:08  haraldkipp
 * Documentation fixed
 *
 * Revision 1.2  2005/08/02 17:46:47  haraldkipp
 * Major API documentation update.
 *
 * Revision 1.1  2004/09/08 10:23:26  haraldkipp
 * Generic C stdlib added
 *
 */

#include <stdlib.h>

/*!
 * \addtogroup xgCrtStdLib
 */
/*@{*/

/*!
 * \brief Get absolute value of a long integer.
 *
 * \param j Long integer.
 *
 * \return Absolute value.
 */
long labs(long j)
{
    return (j < 0 ? -j : j);
}

/*@}*/