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libavutil
intmath.c
Go to the documentation of this file.
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/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "
intmath.h
"
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/* undef these to get the function prototypes from common.h */
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#undef av_log2
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#undef av_log2_16bit
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#include "
common.h
"
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int
av_log2
(
unsigned
v)
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{
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return
ff_log2
(v);
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}
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int
av_log2_16bit
(
unsigned
v)
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{
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return
ff_log2_16bit
(v);
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}
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int
av_ctz
(
int
v)
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{
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return
ff_ctz
(v);
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}
ff_ctz
#define ff_ctz
Definition:
intmath.h:104
av_ctz
int av_ctz(int v)
Trailing zero bit count.
Definition:
intmath.c:36
av_log2
int av_log2(unsigned v)
Definition:
intmath.c:26
av_log2_16bit
int av_log2_16bit(unsigned v)
Definition:
intmath.c:31
ff_log2
#define ff_log2
Definition:
intmath.h:52
intmath.h
ff_log2_16bit
#define ff_log2_16bit
Definition:
intmath.h:71
common.h
common internal and external API header
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