ffmpeg / libavcodec / integer.h @ 08f7073a
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/*


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* arbitrary precision integers

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* Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>

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*

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* This library 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 of the License, or (at your option) any later version.

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*

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* This library 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 this library; if not, write to the Free Software

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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 021111307 USA

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*

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*/

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/**

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* @file integer.h

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* arbitrary precision integers

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* @author Michael Niedermayer <michaelni@gmx.at>

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*/

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#ifndef INTEGER_H

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#define INTEGER_H

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#define AV_INTEGER_SIZE 8 
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typedef struct AVInteger{ 
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uint16_t v[AV_INTEGER_SIZE]; 
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} AVInteger; 
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AVInteger av_add_i(AVInteger a, AVInteger b); 
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AVInteger av_sub_i(AVInteger a, AVInteger b); 
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int av_log2_i(AVInteger a);

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AVInteger av_mul_i(AVInteger a, AVInteger b); 
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int av_cmp_i(AVInteger a, AVInteger b);

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AVInteger av_shr_i(AVInteger a, int s);

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AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b); 
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AVInteger av_div_i(AVInteger a, AVInteger b); 
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AVInteger av_int2i(int64_t a); 
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int64_t av_i2int(AVInteger a); 
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#endif // INTEGER_H 