From 0bacec04673fe7e65cbaf11d9e6a72f5b8e6e1ec Mon Sep 17 00:00:00 2001 From: Miguel Freitas Date: Sun, 9 May 2004 23:31:59 +0000 Subject: sync CVS patchset: 6511 CVS date: 2004/05/09 23:31:59 --- src/libffmpeg/libavcodec/integer.h | 47 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/libffmpeg/libavcodec/integer.h (limited to 'src/libffmpeg/libavcodec/integer.h') diff --git a/src/libffmpeg/libavcodec/integer.h b/src/libffmpeg/libavcodec/integer.h new file mode 100644 index 000000000..ef1b2a089 --- /dev/null +++ b/src/libffmpeg/libavcodec/integer.h @@ -0,0 +1,47 @@ +/* + * arbitrary precision integers + * Copyright (c) 2004 Michael Niedermayer + * + * 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 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 + * + */ + +/** + * @file integer.h + * arbitrary precision integers + * @author Michael Niedermayer + */ + +#ifndef INTEGER_H +#define INTEGER_H + +#define AV_INTEGER_SIZE 8 + +typedef struct AVInteger{ + uint16_t v[AV_INTEGER_SIZE]; +} AVInteger; + +AVInteger av_add_i(AVInteger a, AVInteger b); +AVInteger av_sub_i(AVInteger a, AVInteger b); +int av_log2_i(AVInteger a); +AVInteger av_mul_i(AVInteger a, AVInteger b); +int av_cmp_i(AVInteger a, AVInteger b); +AVInteger av_shr_i(AVInteger a, int s); +AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b); +AVInteger av_div_i(AVInteger a, AVInteger b); +AVInteger av_int2i(int64_t a); +int64_t av_i2int(AVInteger a); + +#endif // INTEGER_H -- cgit v1.2.3