add multiple inclusion guards to headers
[libav.git] / libavcodec / ppc / types_altivec.h
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1/*
2 * Copyright (c) 2006 Guillaume Poirier <gpoirier@mplayerhq.hu>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
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21#ifndef AVCODEC_TYPES_ALTIVEC_H
22#define AVCODEC_TYPES_ALTIVEC_H
23
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24/***********************************************************************
25 * Vector types
26 **********************************************************************/
27#define vec_u8_t vector unsigned char
28#define vec_s8_t vector signed char
29#define vec_u16_t vector unsigned short
30#define vec_s16_t vector signed short
31#define vec_u32_t vector unsigned int
32#define vec_s32_t vector signed int
33
34/***********************************************************************
35 * Null vector
36 **********************************************************************/
37#define LOAD_ZERO const vec_u8_t zerov = vec_splat_u8( 0 )
38
39#define zero_u8v (vec_u8_t) zerov
40#define zero_s8v (vec_s8_t) zerov
41#define zero_u16v (vec_u16_t) zerov
42#define zero_s16v (vec_s16_t) zerov
43#define zero_u32v (vec_u32_t) zerov
44#define zero_s32v (vec_s32_t) zerov
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45
46#endif