ceilf.c

来自「sdcc的win版本.是small device c compiler的意思.支」· C语言 代码 · 共 32 行

/*  ceilf.c: Returns the integer larger 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 */

#include <math.h>

float ceilf(float x) reentrant
{
    long r;
    r=x;
    if (r<0)
        return r;
    else
        return (r+((r<x)?1:0));
}