| 1 | /*
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| 2 | * arbitrary precision integers
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| 3 | * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
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| 4 | *
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| 5 | * This library is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU Lesser General Public
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| 7 | * License as published by the Free Software Foundation; either
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| 8 | * version 2 of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This library is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | * Lesser General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU Lesser General Public
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| 16 | * License along with this library; if not, write to the Free Software
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| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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| 18 | *
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| 19 | */
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| 20 |
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| 21 | /**
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| 22 | * @file integer.h
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| 23 | * arbitrary precision integers
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| 24 | * @author Michael Niedermayer <michaelni@gmx.at>
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| 25 | */
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| 26 |
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| 27 | #ifndef INTEGER_H
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| 28 | #define INTEGER_H
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| 29 |
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| 30 | #define AV_INTEGER_SIZE 8
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| 31 |
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| 32 | typedef struct AVInteger{
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| 33 | uint16_t v[AV_INTEGER_SIZE];
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| 34 | } AVInteger;
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| 35 |
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| 36 | AVInteger av_add_i(AVInteger a, AVInteger b);
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| 37 | AVInteger av_sub_i(AVInteger a, AVInteger b);
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| 38 | int av_log2_i(AVInteger a);
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| 39 | AVInteger av_mul_i(AVInteger a, AVInteger b);
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| 40 | int av_cmp_i(AVInteger a, AVInteger b);
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| 41 | AVInteger av_shr_i(AVInteger a, int s);
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| 42 | AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b);
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| 43 | AVInteger av_div_i(AVInteger a, AVInteger b);
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| 44 | AVInteger av_int2i(int64_t a);
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| 45 | int64_t av_i2int(AVInteger a);
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| 46 |
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| 47 | #endif // INTEGER_H
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