floorf.c

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/*  floorf.c: Returns the integer smaller or equal than x

    Copyright (C) 2001, 2002  Jesus Calvino-Fraga, [e-mail] 

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA */

/* Version 1.0 - Initial release */

/*
** $Id: floorf.c 3654 2005-01-24 10:38:53Z vrokas $
*/

#include <math.h>

float floorf (float x) _MATH_REENTRANT
{
    long r;
    r=x;
    if (r<=0)
        return (r+((r>x)?-1:0));
    else
        return r;
}