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math.h
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math.h
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/*
* Copyright (C) 2001, 2002, and 2003 Roy Keene
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* email: dact@rkeene.org
*/
#ifndef _LOCAL_MATH_H
#define _LOCAL_MATH_H
#include <math.h>
#ifndef M_LN2l
#define M_LN2l 0.6931471805599453094172321214581766L /* log_e 2 */
#endif
#define BYTESIZE(x) ((int) ((float) (((log(x+1)/M_LN2l) + 7.99999999) / 8.0000)))
#endif